./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label22.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label22.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/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 03d2eba0c96e405e42abc242d8ae37d66c66f111 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:47:09,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:47:09,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:47:09,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:47:09,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:47:09,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:47:09,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:47:09,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:47:09,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:47:09,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:47:09,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:47:09,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:47:09,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:47:09,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:47:09,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:47:09,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:47:09,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:47:09,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:47:09,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:47:09,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:47:09,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:47:09,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:47:09,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:47:09,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:47:09,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:47:09,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:47:09,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:47:09,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:47:09,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:47:09,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:47:09,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:47:09,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:47:09,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:47:09,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:47:09,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:47:09,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:47:09,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:47:09,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:47:09,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:47:09,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:47:09,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:47:09,391 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:47:09,414 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:47:09,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:47:09,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:47:09,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:47:09,415 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:47:09,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:47:09,416 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:47:09,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:47:09,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:47:09,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:47:09,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:47:09,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:47:09,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:47:09,417 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:47:09,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:47:09,417 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:47:09,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:47:09,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:47:09,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:47:09,418 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:47:09,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:47:09,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:47:09,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:47:09,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:47:09,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:47:09,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:47:09,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:47:09,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:47:09,419 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_7738d15c-b4a6-4f76-9f69-7e32743082f6/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 -> 03d2eba0c96e405e42abc242d8ae37d66c66f111 [2019-11-25 08:47:09,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:47:09,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:47:09,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:47:09,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:47:09,603 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:47:09,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label22.c [2019-11-25 08:47:09,652 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/bin/uautomizer/data/7ccb23212/bd079de4c5464e61ba6b55e96fec741b/FLAG3fbf58a4c [2019-11-25 08:47:10,119 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:47:10,120 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/sv-benchmarks/c/eca-rers2012/Problem02_label22.c [2019-11-25 08:47:10,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/bin/uautomizer/data/7ccb23212/bd079de4c5464e61ba6b55e96fec741b/FLAG3fbf58a4c [2019-11-25 08:47:10,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/bin/uautomizer/data/7ccb23212/bd079de4c5464e61ba6b55e96fec741b [2019-11-25 08:47:10,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:47:10,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:47:10,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:10,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:47:10,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:47:10,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:10" (1/1) ... [2019-11-25 08:47:10,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9ffd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:10, skipping insertion in model container [2019-11-25 08:47:10,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:10" (1/1) ... [2019-11-25 08:47:10,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:47:10,685 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:47:11,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:11,173 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:47:11,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:11,272 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:47:11,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:11 WrapperNode [2019-11-25 08:47:11,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:11,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:11,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:47:11,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:47:11,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:11" (1/1) ... [2019-11-25 08:47:11,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:11" (1/1) ... [2019-11-25 08:47:11,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:11,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:47:11,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:47:11,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:47:11,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:11" (1/1) ... [2019-11-25 08:47:11,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:11" (1/1) ... [2019-11-25 08:47:11,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:11" (1/1) ... [2019-11-25 08:47:11,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:11" (1/1) ... [2019-11-25 08:47:11,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:11" (1/1) ... [2019-11-25 08:47:11,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:11" (1/1) ... [2019-11-25 08:47:11,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:11" (1/1) ... [2019-11-25 08:47:11,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:47:11,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:47:11,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:47:11,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:47:11,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/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 [2019-11-25 08:47:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:47:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:47:12,594 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:47:12,594 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 08:47:12,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:12 BoogieIcfgContainer [2019-11-25 08:47:12,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:47:12,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:47:12,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:47:12,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:47:12,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:47:10" (1/3) ... [2019-11-25 08:47:12,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c5e599c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:12, skipping insertion in model container [2019-11-25 08:47:12,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:11" (2/3) ... [2019-11-25 08:47:12,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c5e599c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:12, skipping insertion in model container [2019-11-25 08:47:12,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:12" (3/3) ... [2019-11-25 08:47:12,603 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label22.c [2019-11-25 08:47:12,611 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:47:12,618 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:47:12,627 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:47:12,652 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:47:12,652 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:47:12,653 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:47:12,653 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:47:12,653 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:47:12,653 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:47:12,653 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:47:12,653 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:47:12,672 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-25 08:47:12,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-25 08:47:12,684 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:12,684 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:12,685 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:12,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:12,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1473688725, now seen corresponding path program 1 times [2019-11-25 08:47:12,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:12,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884224563] [2019-11-25 08:47:12,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:13,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:13,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884224563] [2019-11-25 08:47:13,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:13,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:47:13,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461339233] [2019-11-25 08:47:13,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:47:13,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:13,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:47:13,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:47:13,126 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-25 08:47:14,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:14,456 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-11-25 08:47:14,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:47:14,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2019-11-25 08:47:14,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:14,483 INFO L225 Difference]: With dead ends: 739 [2019-11-25 08:47:14,484 INFO L226 Difference]: Without dead ends: 445 [2019-11-25 08:47:14,491 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:47:14,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-25 08:47:14,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-11-25 08:47:14,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-11-25 08:47:14,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-11-25 08:47:14,593 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 97 [2019-11-25 08:47:14,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:14,595 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-11-25 08:47:14,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:47:14,595 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-11-25 08:47:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-25 08:47:14,607 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:14,608 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:14,609 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:14,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:14,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1100128886, now seen corresponding path program 1 times [2019-11-25 08:47:14,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:14,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489727709] [2019-11-25 08:47:14,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:14,729 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:14,729 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489727709] [2019-11-25 08:47:14,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:14,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:47:14,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4204072] [2019-11-25 08:47:14,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:47:14,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:14,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:47:14,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:47:14,732 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-11-25 08:47:15,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:15,622 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-11-25 08:47:15,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:47:15,623 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2019-11-25 08:47:15,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:15,629 INFO L225 Difference]: With dead ends: 1470 [2019-11-25 08:47:15,629 INFO L226 Difference]: Without dead ends: 1027 [2019-11-25 08:47:15,631 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:47:15,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-11-25 08:47:15,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-11-25 08:47:15,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-25 08:47:15,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-11-25 08:47:15,694 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 115 [2019-11-25 08:47:15,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:15,696 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-11-25 08:47:15,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:47:15,697 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-11-25 08:47:15,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-25 08:47:15,700 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:15,701 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:15,701 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:15,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:15,701 INFO L82 PathProgramCache]: Analyzing trace with hash -863206337, now seen corresponding path program 1 times [2019-11-25 08:47:15,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:15,702 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546653981] [2019-11-25 08:47:15,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:15,868 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:15,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546653981] [2019-11-25 08:47:15,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:15,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:47:15,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389765813] [2019-11-25 08:47:15,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:47:15,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:15,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:47:15,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:47:15,870 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-11-25 08:47:16,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:16,716 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-11-25 08:47:16,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:47:16,717 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2019-11-25 08:47:16,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:16,727 INFO L225 Difference]: With dead ends: 2582 [2019-11-25 08:47:16,727 INFO L226 Difference]: Without dead ends: 1855 [2019-11-25 08:47:16,728 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:47:16,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-11-25 08:47:16,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-11-25 08:47:16,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-11-25 08:47:16,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2141 transitions. [2019-11-25 08:47:16,769 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2141 transitions. Word has length 119 [2019-11-25 08:47:16,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:16,769 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2141 transitions. [2019-11-25 08:47:16,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:47:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2141 transitions. [2019-11-25 08:47:16,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-25 08:47:16,772 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:16,772 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:16,773 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:16,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:16,773 INFO L82 PathProgramCache]: Analyzing trace with hash -2086608492, now seen corresponding path program 1 times [2019-11-25 08:47:16,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:16,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510235905] [2019-11-25 08:47:16,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:16,829 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:16,829 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510235905] [2019-11-25 08:47:16,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:16,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:47:16,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83014254] [2019-11-25 08:47:16,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:47:16,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:16,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:47:16,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:47:16,831 INFO L87 Difference]: Start difference. First operand 1570 states and 2141 transitions. Second operand 3 states. [2019-11-25 08:47:17,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:17,380 INFO L93 Difference]: Finished difference Result 3840 states and 5193 transitions. [2019-11-25 08:47:17,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:47:17,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-11-25 08:47:17,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:17,391 INFO L225 Difference]: With dead ends: 3840 [2019-11-25 08:47:17,392 INFO L226 Difference]: Without dead ends: 2272 [2019-11-25 08:47:17,395 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:47:17,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-25 08:47:17,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-11-25 08:47:17,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-11-25 08:47:17,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2838 transitions. [2019-11-25 08:47:17,482 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2838 transitions. Word has length 119 [2019-11-25 08:47:17,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:17,482 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2838 transitions. [2019-11-25 08:47:17,482 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:47:17,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2838 transitions. [2019-11-25 08:47:17,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-25 08:47:17,486 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:17,486 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:17,486 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:17,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:17,487 INFO L82 PathProgramCache]: Analyzing trace with hash 815056745, now seen corresponding path program 1 times [2019-11-25 08:47:17,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:17,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202946269] [2019-11-25 08:47:17,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:17,591 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-25 08:47:17,592 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202946269] [2019-11-25 08:47:17,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:17,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:47:17,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595253541] [2019-11-25 08:47:17,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:47:17,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:17,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:47:17,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:47:17,594 INFO L87 Difference]: Start difference. First operand 2272 states and 2838 transitions. Second operand 3 states. [2019-11-25 08:47:18,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:18,111 INFO L93 Difference]: Finished difference Result 5381 states and 6669 transitions. [2019-11-25 08:47:18,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:47:18,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2019-11-25 08:47:18,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:18,126 INFO L225 Difference]: With dead ends: 5381 [2019-11-25 08:47:18,126 INFO L226 Difference]: Without dead ends: 2546 [2019-11-25 08:47:18,131 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:47:18,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2019-11-25 08:47:18,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2125. [2019-11-25 08:47:18,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2019-11-25 08:47:18,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2479 transitions. [2019-11-25 08:47:18,174 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2479 transitions. Word has length 124 [2019-11-25 08:47:18,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:18,175 INFO L462 AbstractCegarLoop]: Abstraction has 2125 states and 2479 transitions. [2019-11-25 08:47:18,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:47:18,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2479 transitions. [2019-11-25 08:47:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-25 08:47:18,178 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:18,179 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:18,179 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:18,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:18,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1644246799, now seen corresponding path program 1 times [2019-11-25 08:47:18,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:18,180 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795677586] [2019-11-25 08:47:18,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:18,284 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-25 08:47:18,285 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795677586] [2019-11-25 08:47:18,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:18,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:47:18,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459364808] [2019-11-25 08:47:18,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:47:18,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:18,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:47:18,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:47:18,288 INFO L87 Difference]: Start difference. First operand 2125 states and 2479 transitions. Second operand 4 states. [2019-11-25 08:47:18,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:18,864 INFO L93 Difference]: Finished difference Result 4388 states and 5107 transitions. [2019-11-25 08:47:18,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:47:18,864 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2019-11-25 08:47:18,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:18,874 INFO L225 Difference]: With dead ends: 4388 [2019-11-25 08:47:18,874 INFO L226 Difference]: Without dead ends: 1985 [2019-11-25 08:47:18,877 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:47:18,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2019-11-25 08:47:18,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1705. [2019-11-25 08:47:18,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-11-25 08:47:18,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 1937 transitions. [2019-11-25 08:47:18,913 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 1937 transitions. Word has length 135 [2019-11-25 08:47:18,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:18,914 INFO L462 AbstractCegarLoop]: Abstraction has 1705 states and 1937 transitions. [2019-11-25 08:47:18,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:47:18,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 1937 transitions. [2019-11-25 08:47:18,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-25 08:47:18,917 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:18,918 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2019-11-25 08:47:18,918 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:18,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:18,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1413147857, now seen corresponding path program 1 times [2019-11-25 08:47:18,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:18,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988757462] [2019-11-25 08:47:18,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:19,031 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-25 08:47:19,031 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988757462] [2019-11-25 08:47:19,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:19,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:47:19,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862427242] [2019-11-25 08:47:19,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:47:19,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:19,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:47:19,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:47:19,041 INFO L87 Difference]: Start difference. First operand 1705 states and 1937 transitions. Second operand 3 states. [2019-11-25 08:47:19,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:19,500 INFO L93 Difference]: Finished difference Result 3411 states and 3863 transitions. [2019-11-25 08:47:19,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:47:19,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-11-25 08:47:19,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:19,509 INFO L225 Difference]: With dead ends: 3411 [2019-11-25 08:47:19,509 INFO L226 Difference]: Without dead ends: 1707 [2019-11-25 08:47:19,511 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:47:19,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-11-25 08:47:19,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1703. [2019-11-25 08:47:19,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-11-25 08:47:19,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1867 transitions. [2019-11-25 08:47:19,544 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1867 transitions. Word has length 148 [2019-11-25 08:47:19,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:19,544 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1867 transitions. [2019-11-25 08:47:19,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:47:19,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1867 transitions. [2019-11-25 08:47:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-25 08:47:19,550 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:19,550 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:19,551 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:19,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:19,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1048373574, now seen corresponding path program 1 times [2019-11-25 08:47:19,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:19,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742078368] [2019-11-25 08:47:19,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 125 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-11-25 08:47:19,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742078368] [2019-11-25 08:47:19,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93976877] [2019-11-25 08:47:19,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/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 [2019-11-25 08:47:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:19,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:47:19,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-25 08:47:19,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-25 08:47:19,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-25 08:47:19,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332075300] [2019-11-25 08:47:19,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:47:19,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:19,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:47:19,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:47:19,931 INFO L87 Difference]: Start difference. First operand 1703 states and 1867 transitions. Second operand 3 states. [2019-11-25 08:47:20,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:20,555 INFO L93 Difference]: Finished difference Result 3818 states and 4177 transitions. [2019-11-25 08:47:20,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:47:20,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2019-11-25 08:47:20,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:20,556 INFO L225 Difference]: With dead ends: 3818 [2019-11-25 08:47:20,556 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:47:20,559 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:47:20,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:47:20,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:47:20,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:47:20,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:47:20,560 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 242 [2019-11-25 08:47:20,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:20,560 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:47:20,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:47:20,560 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:47:20,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:47:20,762 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:47:20,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:47:21,073 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-25 08:47:21,270 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-25 08:47:21,273 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,273 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,273 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,274 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-25 08:47:21,274 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-25 08:47:21,274 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-25 08:47:21,274 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-25 08:47:21,274 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-25 08:47:21,274 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-25 08:47:21,274 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-25 08:47:21,274 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,274 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,274 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,274 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-25 08:47:21,274 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-25 08:47:21,275 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-25 08:47:21,275 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-25 08:47:21,275 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-25 08:47:21,275 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-25 08:47:21,275 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-25 08:47:21,275 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,275 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,275 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,275 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-25 08:47:21,275 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-25 08:47:21,275 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-25 08:47:21,275 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-25 08:47:21,276 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-25 08:47:21,276 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,276 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,276 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,276 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-25 08:47:21,276 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-25 08:47:21,276 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-25 08:47:21,276 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-25 08:47:21,276 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-25 08:47:21,276 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-25 08:47:21,276 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-25 08:47:21,276 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-25 08:47:21,276 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,277 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,277 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,277 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-25 08:47:21,277 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-25 08:47:21,277 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-25 08:47:21,277 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-25 08:47:21,277 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-25 08:47:21,277 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-25 08:47:21,277 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-25 08:47:21,277 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-25 08:47:21,277 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,277 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,277 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,278 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-25 08:47:21,278 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-25 08:47:21,278 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-25 08:47:21,278 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-25 08:47:21,278 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-25 08:47:21,278 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-25 08:47:21,278 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-25 08:47:21,278 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-25 08:47:21,278 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-25 08:47:21,278 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,278 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,278 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,279 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-25 08:47:21,279 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-25 08:47:21,279 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-25 08:47:21,279 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-25 08:47:21,279 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-25 08:47:21,279 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-25 08:47:21,279 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,279 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,279 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,279 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-25 08:47:21,279 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-25 08:47:21,279 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-25 08:47:21,279 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-25 08:47:21,280 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-25 08:47:21,280 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:47:21,280 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-25 08:47:21,280 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-25 08:47:21,280 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-25 08:47:21,280 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,280 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,280 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,280 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-25 08:47:21,280 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-25 08:47:21,280 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-25 08:47:21,280 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-25 08:47:21,281 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-25 08:47:21,281 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,281 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,281 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,281 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-25 08:47:21,281 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-25 08:47:21,281 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-25 08:47:21,281 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-25 08:47:21,281 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-25 08:47:21,281 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-25 08:47:21,281 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-25 08:47:21,281 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-25 08:47:21,282 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-25 08:47:21,282 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-25 08:47:21,291 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:47:21,291 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2019-11-25 08:47:21,291 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-25 08:47:21,291 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,291 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,292 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-25 08:47:21,292 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-25 08:47:21,292 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-25 08:47:21,292 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-25 08:47:21,292 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-25 08:47:21,292 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-25 08:47:21,292 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-25 08:47:21,292 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-25 08:47:21,293 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-25 08:47:21,294 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1))) (let ((.cse4 (not (= ~a28~0 11))) (.cse8 (not .cse5)) (.cse3 (= ~a19~0 1)) (.cse6 (= ~a11~0 1))) (let ((.cse1 (<= 10 ~a28~0)) (.cse2 (= ~a17~0 8)) (.cse0 (or (and .cse8 .cse6 .cse4) (and .cse8 .cse3 .cse6))) (.cse9 (= ~a28~0 9)) (.cse7 (<= ~a19~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse5) (and .cse3 .cse6 .cse5) (and .cse7 .cse8 .cse2) (and .cse7 .cse2 .cse4) (and .cse9 .cse2 .cse6) (and .cse8 .cse2 .cse6 .cse4) (and .cse0 .cse7) (and .cse9 .cse7))))) [2019-11-25 08:47:21,294 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,295 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,295 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-25 08:47:21,295 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-25 08:47:21,295 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-25 08:47:21,295 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-25 08:47:21,295 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-25 08:47:21,295 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-25 08:47:21,296 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-25 08:47:21,296 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,296 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,296 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-25 08:47:21,296 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-25 08:47:21,296 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-25 08:47:21,296 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-25 08:47:21,297 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-25 08:47:21,297 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-25 08:47:21,297 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-25 08:47:21,297 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-25 08:47:21,297 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-25 08:47:21,297 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,297 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,297 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-25 08:47:21,298 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-25 08:47:21,298 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-25 08:47:21,298 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-25 08:47:21,298 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-25 08:47:21,298 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-25 08:47:21,298 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1))) (let ((.cse4 (not (= ~a28~0 11))) (.cse8 (not .cse5)) (.cse3 (= ~a19~0 1)) (.cse6 (= ~a11~0 1))) (let ((.cse1 (<= 10 ~a28~0)) (.cse2 (= ~a17~0 8)) (.cse0 (or (and .cse8 .cse6 .cse4) (and .cse8 .cse3 .cse6))) (.cse9 (= ~a28~0 9)) (.cse7 (<= ~a19~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse5) (and .cse3 .cse6 .cse5) (and .cse7 .cse8 .cse2) (and .cse7 .cse2 .cse4) (and .cse9 .cse2 .cse6) (and .cse8 .cse2 .cse6 .cse4) (and .cse0 .cse7) (and .cse9 .cse7))))) [2019-11-25 08:47:21,299 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,299 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,299 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-25 08:47:21,299 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-25 08:47:21,299 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-25 08:47:21,299 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-25 08:47:21,299 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-25 08:47:21,300 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,300 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,300 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-25 08:47:21,300 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-25 08:47:21,300 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-25 08:47:21,300 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-25 08:47:21,300 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-25 08:47:21,300 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-25 08:47:21,301 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-25 08:47:21,301 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-25 08:47:21,301 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-25 08:47:21,301 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,301 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,301 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-25 08:47:21,302 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,302 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-25 08:47:21,302 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-25 08:47:21,303 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-25 08:47:21,303 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-25 08:47:21,303 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-25 08:47:21,303 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:47:21,303 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-25 08:47:21,303 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,303 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,303 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,304 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-25 08:47:21,304 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-25 08:47:21,304 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-25 08:47:21,304 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-25 08:47:21,304 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-25 08:47:21,304 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,304 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,306 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,306 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-25 08:47:21,306 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-25 08:47:21,307 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-25 08:47:21,307 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-25 08:47:21,307 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-25 08:47:21,307 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-25 08:47:21,307 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,307 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,307 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,308 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-25 08:47:21,308 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-25 08:47:21,308 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-25 08:47:21,308 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-25 08:47:21,308 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-25 08:47:21,308 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-25 08:47:21,308 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:47:21,308 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-25 08:47:21,309 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-25 08:47:21,309 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,309 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,309 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,309 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-25 08:47:21,309 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-25 08:47:21,309 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-25 08:47:21,309 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-25 08:47:21,310 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-25 08:47:21,310 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,310 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,310 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-25 08:47:21,310 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-25 08:47:21,310 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-25 08:47:21,310 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-25 08:47:21,311 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-25 08:47:21,311 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-25 08:47:21,311 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-25 08:47:21,311 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-25 08:47:21,311 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-25 08:47:21,311 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-25 08:47:21,311 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-25 08:47:21,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:47:21 BoogieIcfgContainer [2019-11-25 08:47:21,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:47:21,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:47:21,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:47:21,347 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:47:21,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:12" (3/4) ... [2019-11-25 08:47:21,350 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:47:21,377 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-25 08:47:21,379 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:47:21,588 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7738d15c-b4a6-4f76-9f69-7e32743082f6/bin/uautomizer/witness.graphml [2019-11-25 08:47:21,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:47:21,590 INFO L168 Benchmark]: Toolchain (without parser) took 10958.56 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 246.4 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 98.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:21,591 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:21,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:21,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:21,592 INFO L168 Benchmark]: Boogie Preprocessor took 73.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:21,592 INFO L168 Benchmark]: RCFGBuilder took 1173.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.1 MB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:21,593 INFO L168 Benchmark]: TraceAbstraction took 8749.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.3 MB). Free memory was 999.1 MB in the beginning and 1.1 GB in the end (delta: -120.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:21,593 INFO L168 Benchmark]: Witness Printer took 242.57 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:21,596 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 640.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1173.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.1 MB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8749.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.3 MB). Free memory was 999.1 MB in the beginning and 1.1 GB in the end (delta: -120.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 242.57 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 463]: 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: ((((((((((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && 10 <= a28) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 == 1 && a11 == 1) && a25 == 1)) || ((a19 <= 0 && !(a25 == 1)) && a17 == 8)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((a28 == 9 && a17 == 8) && a11 == 1)) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11))) || ((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && a19 <= 0)) || (a28 == 9 && a19 <= 0) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && 10 <= a28) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 == 1 && a11 == 1) && a25 == 1)) || ((a19 <= 0 && !(a25 == 1)) && a17 == 8)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((a28 == 9 && a17 == 8) && a11 == 1)) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11))) || ((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && a19 <= 0)) || (a28 == 9 && a19 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 8.6s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1152 SDtfs, 1603 SDslu, 214 SDs, 0 SdLazy, 4086 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 252 SyntacticMatches, 3 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: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 285 HoareAnnotationTreeSize, 3 FomulaSimplifications, 636 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 316 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1341 NumberOfCodeBlocks, 1341 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1332 ConstructedInterpolants, 0 QuantifiedInterpolants, 433376 SizeOfPredicates, 1 NumberOfNonLiveVariables, 406 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 770/773 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...