./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label30.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/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 01a8e9a3332b0304ee54749c06e9a9a428acc8a8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:55:28,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:55:28,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:55:28,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:55:28,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:55:28,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:55:28,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:55:28,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:55:28,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:55:28,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:55:28,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:55:28,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:55:28,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:55:28,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:55:28,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:55:28,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:55:28,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:55:28,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:55:28,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:55:28,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:55:28,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:55:28,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:55:28,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:55:28,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:55:28,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:55:28,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:55:28,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:55:28,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:55:28,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:55:28,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:55:28,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:55:28,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:55:28,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:55:28,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:55:28,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:55:28,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:55:28,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:55:28,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:55:28,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:55:28,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:55:28,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:55:28,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:55:28,364 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:55:28,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:55:28,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:55:28,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:55:28,365 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:55:28,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:55:28,365 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:55:28,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:55:28,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:55:28,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:55:28,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:55:28,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:55:28,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:55:28,366 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:55:28,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:55:28,367 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:55:28,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:55:28,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:55:28,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:55:28,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:55:28,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:55:28,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:55:28,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:55:28,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:55:28,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:55:28,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:55:28,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:55:28,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:55:28,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:55:28,369 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_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/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 -> 01a8e9a3332b0304ee54749c06e9a9a428acc8a8 [2019-12-07 18:55:28,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:55:28,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:55:28,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:55:28,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:55:28,492 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:55:28,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label30.c [2019-12-07 18:55:28,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/bin/uautomizer/data/3fa7b9b9a/91350ba8473a480e8acf9036c30b2fe6/FLAG632b32ce0 [2019-12-07 18:55:28,963 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:55:28,964 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/sv-benchmarks/c/eca-rers2012/Problem02_label30.c [2019-12-07 18:55:28,971 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/bin/uautomizer/data/3fa7b9b9a/91350ba8473a480e8acf9036c30b2fe6/FLAG632b32ce0 [2019-12-07 18:55:29,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/bin/uautomizer/data/3fa7b9b9a/91350ba8473a480e8acf9036c30b2fe6 [2019-12-07 18:55:29,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:55:29,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:55:29,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:55:29,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:55:29,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:55:29,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:55:29" (1/1) ... [2019-12-07 18:55:29,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c077e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:55:29, skipping insertion in model container [2019-12-07 18:55:29,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:55:29" (1/1) ... [2019-12-07 18:55:29,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:55:29,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:55:29,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:55:29,628 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:55:29,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:55:29,693 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:55:29,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:55:29 WrapperNode [2019-12-07 18:55:29,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:55:29,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:55:29,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:55:29,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:55:29,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:55:29" (1/1) ... [2019-12-07 18:55:29,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:55:29" (1/1) ... [2019-12-07 18:55:29,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:55:29,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:55:29,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:55:29,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:55:29,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:55:29" (1/1) ... [2019-12-07 18:55:29,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:55:29" (1/1) ... [2019-12-07 18:55:29,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:55:29" (1/1) ... [2019-12-07 18:55:29,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:55:29" (1/1) ... [2019-12-07 18:55:29,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:55:29" (1/1) ... [2019-12-07 18:55:29,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:55:29" (1/1) ... [2019-12-07 18:55:29,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:55:29" (1/1) ... [2019-12-07 18:55:29,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:55:29,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:55:29,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:55:29,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:55:29,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:55:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/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 [2019-12-07 18:55:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:55:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:55:30,477 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:55:30,477 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 18:55:30,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:55:30 BoogieIcfgContainer [2019-12-07 18:55:30,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:55:30,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:55:30,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:55:30,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:55:30,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:55:29" (1/3) ... [2019-12-07 18:55:30,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d05349b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:55:30, skipping insertion in model container [2019-12-07 18:55:30,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:55:29" (2/3) ... [2019-12-07 18:55:30,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d05349b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:55:30, skipping insertion in model container [2019-12-07 18:55:30,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:55:30" (3/3) ... [2019-12-07 18:55:30,483 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label30.c [2019-12-07 18:55:30,490 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:55:30,495 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:55:30,502 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:55:30,520 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:55:30,520 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:55:30,520 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:55:30,520 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:55:30,520 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:55:30,520 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:55:30,521 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:55:30,521 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:55:30,536 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 18:55:30,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-07 18:55:30,546 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:55:30,546 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:55:30,547 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:55:30,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:55:30,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1456307141, now seen corresponding path program 1 times [2019-12-07 18:55:30,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:55:30,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100898338] [2019-12-07 18:55:30,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:55:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:55:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:55:30,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100898338] [2019-12-07 18:55:30,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:55:30,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:55:30,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365694661] [2019-12-07 18:55:30,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:55:30,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:55:30,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:55:30,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:55:30,828 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2019-12-07 18:55:31,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:55:31,324 INFO L93 Difference]: Finished difference Result 601 states and 1035 transitions. [2019-12-07 18:55:31,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:55:31,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2019-12-07 18:55:31,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:55:31,336 INFO L225 Difference]: With dead ends: 601 [2019-12-07 18:55:31,336 INFO L226 Difference]: Without dead ends: 310 [2019-12-07 18:55:31,340 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 [2019-12-07 18:55:31,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2019-12-07 18:55:31,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2019-12-07 18:55:31,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-12-07 18:55:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2019-12-07 18:55:31,383 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 128 [2019-12-07 18:55:31,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:55:31,384 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2019-12-07 18:55:31,384 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:55:31,384 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2019-12-07 18:55:31,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-07 18:55:31,388 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:55:31,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:55:31,388 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:55:31,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:55:31,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1516168646, now seen corresponding path program 1 times [2019-12-07 18:55:31,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:55:31,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941797463] [2019-12-07 18:55:31,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:55:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:55:31,460 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:55:31,460 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941797463] [2019-12-07 18:55:31,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:55:31,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:55:31,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245685013] [2019-12-07 18:55:31,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:55:31,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:55:31,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:55:31,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:55:31,462 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 4 states. [2019-12-07 18:55:31,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:55:31,949 INFO L93 Difference]: Finished difference Result 1200 states and 1733 transitions. [2019-12-07 18:55:31,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:55:31,949 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2019-12-07 18:55:31,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:55:31,953 INFO L225 Difference]: With dead ends: 1200 [2019-12-07 18:55:31,953 INFO L226 Difference]: Without dead ends: 892 [2019-12-07 18:55:31,955 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 [2019-12-07 18:55:31,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2019-12-07 18:55:31,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 593. [2019-12-07 18:55:31,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2019-12-07 18:55:31,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 827 transitions. [2019-12-07 18:55:31,976 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 827 transitions. Word has length 146 [2019-12-07 18:55:31,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:55:31,976 INFO L462 AbstractCegarLoop]: Abstraction has 593 states and 827 transitions. [2019-12-07 18:55:31,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:55:31,976 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 827 transitions. [2019-12-07 18:55:31,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-12-07 18:55:31,978 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:55:31,978 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:55:31,979 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:55:31,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:55:31,979 INFO L82 PathProgramCache]: Analyzing trace with hash 99733542, now seen corresponding path program 1 times [2019-12-07 18:55:31,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:55:31,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735855340] [2019-12-07 18:55:31,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:55:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:55:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:55:32,033 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735855340] [2019-12-07 18:55:32,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:55:32,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:55:32,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150074793] [2019-12-07 18:55:32,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:55:32,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:55:32,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:55:32,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:55:32,034 INFO L87 Difference]: Start difference. First operand 593 states and 827 transitions. Second operand 4 states. [2019-12-07 18:55:32,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:55:32,585 INFO L93 Difference]: Finished difference Result 2318 states and 3245 transitions. [2019-12-07 18:55:32,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:55:32,585 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2019-12-07 18:55:32,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:55:32,592 INFO L225 Difference]: With dead ends: 2318 [2019-12-07 18:55:32,593 INFO L226 Difference]: Without dead ends: 1727 [2019-12-07 18:55:32,594 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 [2019-12-07 18:55:32,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2019-12-07 18:55:32,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1151. [2019-12-07 18:55:32,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2019-12-07 18:55:32,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1550 transitions. [2019-12-07 18:55:32,619 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1550 transitions. Word has length 147 [2019-12-07 18:55:32,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:55:32,619 INFO L462 AbstractCegarLoop]: Abstraction has 1151 states and 1550 transitions. [2019-12-07 18:55:32,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:55:32,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1550 transitions. [2019-12-07 18:55:32,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-12-07 18:55:32,622 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:55:32,622 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:55:32,622 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:55:32,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:55:32,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1141364623, now seen corresponding path program 1 times [2019-12-07 18:55:32,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:55:32,623 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120711521] [2019-12-07 18:55:32,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:55:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:55:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:55:32,692 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120711521] [2019-12-07 18:55:32,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:55:32,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:55:32,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021560475] [2019-12-07 18:55:32,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:55:32,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:55:32,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:55:32,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:55:32,693 INFO L87 Difference]: Start difference. First operand 1151 states and 1550 transitions. Second operand 4 states. [2019-12-07 18:55:33,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:55:33,316 INFO L93 Difference]: Finished difference Result 3563 states and 4704 transitions. [2019-12-07 18:55:33,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:55:33,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2019-12-07 18:55:33,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:55:33,325 INFO L225 Difference]: With dead ends: 3563 [2019-12-07 18:55:33,325 INFO L226 Difference]: Without dead ends: 2414 [2019-12-07 18:55:33,326 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 [2019-12-07 18:55:33,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-12-07 18:55:33,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2131. [2019-12-07 18:55:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2131 states. [2019-12-07 18:55:33,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 2620 transitions. [2019-12-07 18:55:33,358 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 2620 transitions. Word has length 150 [2019-12-07 18:55:33,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:55:33,358 INFO L462 AbstractCegarLoop]: Abstraction has 2131 states and 2620 transitions. [2019-12-07 18:55:33,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:55:33,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2620 transitions. [2019-12-07 18:55:33,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-12-07 18:55:33,361 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:55:33,361 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:55:33,361 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:55:33,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:55:33,361 INFO L82 PathProgramCache]: Analyzing trace with hash -812515321, now seen corresponding path program 1 times [2019-12-07 18:55:33,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:55:33,362 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162813387] [2019-12-07 18:55:33,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:55:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:55:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 18:55:33,427 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162813387] [2019-12-07 18:55:33,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:55:33,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:55:33,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459547784] [2019-12-07 18:55:33,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:55:33,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:55:33,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:55:33,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:55:33,428 INFO L87 Difference]: Start difference. First operand 2131 states and 2620 transitions. Second operand 3 states. [2019-12-07 18:55:33,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:55:33,766 INFO L93 Difference]: Finished difference Result 4259 states and 5237 transitions. [2019-12-07 18:55:33,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:55:33,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-12-07 18:55:33,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:55:33,776 INFO L225 Difference]: With dead ends: 4259 [2019-12-07 18:55:33,777 INFO L226 Difference]: Without dead ends: 2130 [2019-12-07 18:55:33,779 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 [2019-12-07 18:55:33,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2019-12-07 18:55:33,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 1710. [2019-12-07 18:55:33,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1710 states. [2019-12-07 18:55:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2022 transitions. [2019-12-07 18:55:33,814 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2022 transitions. Word has length 155 [2019-12-07 18:55:33,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:55:33,814 INFO L462 AbstractCegarLoop]: Abstraction has 1710 states and 2022 transitions. [2019-12-07 18:55:33,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:55:33,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2022 transitions. [2019-12-07 18:55:33,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-12-07 18:55:33,818 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:55:33,819 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:55:33,819 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:55:33,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:55:33,819 INFO L82 PathProgramCache]: Analyzing trace with hash 2075229845, now seen corresponding path program 1 times [2019-12-07 18:55:33,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:55:33,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867434582] [2019-12-07 18:55:33,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:55:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:55:33,856 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-07 18:55:33,856 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867434582] [2019-12-07 18:55:33,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:55:33,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:55:33,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641085914] [2019-12-07 18:55:33,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:55:33,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:55:33,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:55:33,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:55:33,858 INFO L87 Difference]: Start difference. First operand 1710 states and 2022 transitions. Second operand 4 states. [2019-12-07 18:55:34,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:55:34,237 INFO L93 Difference]: Finished difference Result 3685 states and 4298 transitions. [2019-12-07 18:55:34,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:55:34,238 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 157 [2019-12-07 18:55:34,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:55:34,238 INFO L225 Difference]: With dead ends: 3685 [2019-12-07 18:55:34,238 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:55:34,240 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 [2019-12-07 18:55:34,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:55:34,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:55:34,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:55:34,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:55:34,241 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-12-07 18:55:34,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:55:34,241 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:55:34,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:55:34,241 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:55:34,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:55:34,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 18:55:34,470 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,470 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,471 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,471 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-12-07 18:55:34,471 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-12-07 18:55:34,471 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-12-07 18:55:34,471 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-12-07 18:55:34,471 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-12-07 18:55:34,471 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-12-07 18:55:34,471 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-12-07 18:55:34,471 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,471 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,472 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,472 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-12-07 18:55:34,472 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-12-07 18:55:34,472 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-12-07 18:55:34,472 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-12-07 18:55:34,472 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-12-07 18:55:34,472 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-12-07 18:55:34,472 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-12-07 18:55:34,472 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,473 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,473 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,473 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-12-07 18:55:34,473 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-12-07 18:55:34,473 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 18:55:34,473 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 18:55:34,473 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-12-07 18:55:34,473 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,473 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,473 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,474 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-12-07 18:55:34,474 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-12-07 18:55:34,474 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-12-07 18:55:34,474 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-12-07 18:55:34,474 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-12-07 18:55:34,474 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-12-07 18:55:34,474 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-12-07 18:55:34,474 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-12-07 18:55:34,474 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,475 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,475 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,475 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-12-07 18:55:34,475 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-12-07 18:55:34,475 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-12-07 18:55:34,475 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 18:55:34,475 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-12-07 18:55:34,475 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-12-07 18:55:34,475 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-12-07 18:55:34,475 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-12-07 18:55:34,475 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,476 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,476 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,476 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-12-07 18:55:34,476 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-12-07 18:55:34,476 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-12-07 18:55:34,476 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-12-07 18:55:34,476 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-12-07 18:55:34,476 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-12-07 18:55:34,476 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 18:55:34,476 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-12-07 18:55:34,477 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-12-07 18:55:34,477 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,477 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,477 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,477 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-12-07 18:55:34,477 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-12-07 18:55:34,477 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-12-07 18:55:34,477 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-12-07 18:55:34,477 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-12-07 18:55:34,477 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-12-07 18:55:34,478 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,478 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,478 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,478 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-12-07 18:55:34,478 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-12-07 18:55:34,478 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-12-07 18:55:34,478 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-12-07 18:55:34,478 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-12-07 18:55:34,478 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:55:34,479 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-12-07 18:55:34,479 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-12-07 18:55:34,479 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-12-07 18:55:34,479 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,479 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,479 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,479 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-12-07 18:55:34,479 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-12-07 18:55:34,479 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 18:55:34,479 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-12-07 18:55:34,480 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-12-07 18:55:34,480 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,480 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,480 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,480 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-12-07 18:55:34,480 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-12-07 18:55:34,480 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-12-07 18:55:34,480 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-12-07 18:55:34,480 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-12-07 18:55:34,480 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-12-07 18:55:34,481 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-12-07 18:55:34,481 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-12-07 18:55:34,481 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-12-07 18:55:34,481 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-12-07 18:55:34,481 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 18:55:34,481 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 556) no Hoare annotation was computed. [2019-12-07 18:55:34,481 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-12-07 18:55:34,481 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,481 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,481 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-12-07 18:55:34,482 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-12-07 18:55:34,482 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-12-07 18:55:34,482 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 18:55:34,482 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-12-07 18:55:34,482 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-12-07 18:55:34,482 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-12-07 18:55:34,482 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-12-07 18:55:34,482 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-12-07 18:55:34,483 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1))) (let ((.cse2 (= ~a17~0 8)) (.cse3 (not .cse0)) (.cse6 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8)) (.cse4 (not (= ~a28~0 11)))) (or (and (= ~a28~0 9) .cse0 .cse1) (and .cse2 .cse3 .cse4) (and (let ((.cse5 (not (= ~a25~0 1)))) (or (and .cse5 .cse0 .cse4) (and .cse5 .cse6 .cse0))) .cse1) (and .cse6 .cse2 .cse3) (and .cse6 .cse1 .cse0 .cse4)))) [2019-12-07 18:55:34,483 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,483 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,483 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-12-07 18:55:34,483 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-12-07 18:55:34,483 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-12-07 18:55:34,483 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-12-07 18:55:34,483 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 18:55:34,484 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-12-07 18:55:34,484 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-12-07 18:55:34,484 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,484 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,484 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-12-07 18:55:34,484 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-12-07 18:55:34,484 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-12-07 18:55:34,484 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-12-07 18:55:34,484 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-12-07 18:55:34,485 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-12-07 18:55:34,485 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-12-07 18:55:34,485 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-12-07 18:55:34,485 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-12-07 18:55:34,485 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,485 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,485 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-12-07 18:55:34,485 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-12-07 18:55:34,485 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-12-07 18:55:34,485 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-12-07 18:55:34,486 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-12-07 18:55:34,486 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-12-07 18:55:34,486 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1))) (let ((.cse2 (= ~a17~0 8)) (.cse3 (not .cse0)) (.cse6 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8)) (.cse4 (not (= ~a28~0 11)))) (or (and (= ~a28~0 9) .cse0 .cse1) (and .cse2 .cse3 .cse4) (and (let ((.cse5 (not (= ~a25~0 1)))) (or (and .cse5 .cse0 .cse4) (and .cse5 .cse6 .cse0))) .cse1) (and .cse6 .cse2 .cse3) (and .cse6 .cse1 .cse0 .cse4)))) [2019-12-07 18:55:34,486 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,486 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,486 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-12-07 18:55:34,486 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 18:55:34,486 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-12-07 18:55:34,487 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-12-07 18:55:34,487 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-12-07 18:55:34,487 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,487 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,487 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-12-07 18:55:34,487 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-12-07 18:55:34,487 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-12-07 18:55:34,487 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-12-07 18:55:34,487 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-12-07 18:55:34,487 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-12-07 18:55:34,487 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-12-07 18:55:34,487 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 18:55:34,487 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-12-07 18:55:34,487 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-12-07 18:55:34,488 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:55:34,489 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-12-07 18:55:34,490 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-12-07 18:55:34,491 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-12-07 18:55:34,491 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-12-07 18:55:34,491 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-12-07 18:55:34,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:55:34 BoogieIcfgContainer [2019-12-07 18:55:34,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:55:34,509 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:55:34,509 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:55:34,509 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:55:34,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:55:30" (3/4) ... [2019-12-07 18:55:34,512 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:55:34,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 18:55:34,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 18:55:34,623 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fbcdebbd-4e98-4f0a-94bf-0aab393a4b2f/bin/uautomizer/witness.graphml [2019-12-07 18:55:34,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:55:34,625 INFO L168 Benchmark]: Toolchain (without parser) took 5302.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.5 MB). Free memory was 938.3 MB in the beginning and 1.2 GB in the end (delta: -222.1 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:55:34,625 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:55:34,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -132.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:55:34,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:55:34,626 INFO L168 Benchmark]: Boogie Preprocessor took 38.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:55:34,627 INFO L168 Benchmark]: RCFGBuilder took 695.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 955.9 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:55:34,627 INFO L168 Benchmark]: TraceAbstraction took 4029.37 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 127.4 MB). Free memory was 955.9 MB in the beginning and 1.2 GB in the end (delta: -223.5 MB). Peak memory consumption was 195.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:55:34,627 INFO L168 Benchmark]: Witness Printer took 114.48 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:55:34,629 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -132.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 695.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 955.9 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4029.37 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 127.4 MB). Free memory was 955.9 MB in the beginning and 1.2 GB in the end (delta: -223.5 MB). Peak memory consumption was 195.8 MB. Max. memory is 11.5 GB. * Witness Printer took 114.48 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 556]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((a28 == 9 && a11 == 1) && a17 <= 8) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 11))) || ((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && a17 <= 8)) || ((a19 == 1 && a17 == 8) && !(a11 == 1))) || (((a19 == 1 && a17 <= 8) && a11 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((a28 == 9 && a11 == 1) && a17 <= 8) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 11))) || ((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && a17 <= 8)) || ((a19 == 1 && a17 == 8) && !(a11 == 1))) || (((a19 == 1 && a17 <= 8) && a11 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 3.7s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 565 SDtfs, 1649 SDslu, 165 SDs, 0 SdLazy, 3298 SolverSat, 603 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2131occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1578 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 153 HoareAnnotationTreeSize, 3 FomulaSimplifications, 596 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 334 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 883 NumberOfCodeBlocks, 883 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 877 ConstructedInterpolants, 0 QuantifiedInterpolants, 223305 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 133/133 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...