./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f984bd5abbd4adc0ae4b2416fd7142c889297d5b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:27:26,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:27:26,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:27:26,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:27:26,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:27:26,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:27:26,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:27:26,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:27:26,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:27:26,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:27:26,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:27:26,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:27:26,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:27:26,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:27:26,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:27:26,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:27:26,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:27:26,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:27:26,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:27:26,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:27:26,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:27:26,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:27:26,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:27:26,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:27:26,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:27:26,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:27:26,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:27:26,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:27:26,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:27:26,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:27:26,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:27:26,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:27:26,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:27:26,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:27:26,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:27:26,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:27:26,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:27:26,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:27:26,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:27:26,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:27:26,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:27:26,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:27:26,586 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:27:26,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:27:26,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:27:26,591 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:27:26,591 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:27:26,592 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:27:26,592 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:27:26,592 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:27:26,592 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:27:26,593 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:27:26,594 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:27:26,594 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:27:26,594 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:27:26,595 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:27:26,595 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:27:26,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:27:26,596 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:27:26,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:27:26,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:27:26,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:27:26,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:27:26,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:27:26,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:27:26,598 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:27:26,598 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:27:26,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:27:26,599 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:27:26,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:27:26,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:27:26,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:27:26,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:27:26,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:27:26,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:27:26,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:27:26,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:27:26,601 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:27:26,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:27:26,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:27:26,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:27:26,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:27:26,603 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f984bd5abbd4adc0ae4b2416fd7142c889297d5b [2020-11-28 07:27:26,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:27:26,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:27:26,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:27:26,962 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:27:26,963 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:27:26,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-11-28 07:27:27,057 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan/data/9ad2e5cb1/b891b7e4889641cb82aabf9896d11282/FLAG9118e0847 [2020-11-28 07:27:28,054 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:27:28,055 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-11-28 07:27:28,104 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan/data/9ad2e5cb1/b891b7e4889641cb82aabf9896d11282/FLAG9118e0847 [2020-11-28 07:27:28,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan/data/9ad2e5cb1/b891b7e4889641cb82aabf9896d11282 [2020-11-28 07:27:28,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:27:28,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:27:28,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:27:28,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:27:28,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:27:28,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:27:28" (1/1) ... [2020-11-28 07:27:28,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae2bdc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:28, skipping insertion in model container [2020-11-28 07:27:28,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:27:28" (1/1) ... [2020-11-28 07:27:28,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:27:28,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:27:29,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:27:29,525 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:27:29,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:27:29,801 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:27:29,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:29 WrapperNode [2020-11-28 07:27:29,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:27:29,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:27:29,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:27:29,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:27:29,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:29" (1/1) ... [2020-11-28 07:27:29,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:29" (1/1) ... [2020-11-28 07:27:30,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:27:30,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:27:30,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:27:30,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:27:30,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:29" (1/1) ... [2020-11-28 07:27:30,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:29" (1/1) ... [2020-11-28 07:27:30,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:29" (1/1) ... [2020-11-28 07:27:30,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:29" (1/1) ... [2020-11-28 07:27:30,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:29" (1/1) ... [2020-11-28 07:27:30,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:29" (1/1) ... [2020-11-28 07:27:30,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:29" (1/1) ... [2020-11-28 07:27:30,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:27:30,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:27:30,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:27:30,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:27:30,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan/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 [2020-11-28 07:27:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:27:30,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:27:30,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:27:30,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:27:32,262 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:27:32,265 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-11-28 07:27:32,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:27:32 BoogieIcfgContainer [2020-11-28 07:27:32,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:27:32,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:27:32,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:27:32,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:27:32,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:27:28" (1/3) ... [2020-11-28 07:27:32,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d5722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:27:32, skipping insertion in model container [2020-11-28 07:27:32,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:29" (2/3) ... [2020-11-28 07:27:32,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d5722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:27:32, skipping insertion in model container [2020-11-28 07:27:32,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:27:32" (3/3) ... [2020-11-28 07:27:32,278 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_accelerometer_1.c [2020-11-28 07:27:32,290 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:27:32,295 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:27:32,308 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:27:32,350 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:27:32,351 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:27:32,351 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:27:32,351 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:27:32,351 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:27:32,351 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:27:32,352 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:27:32,352 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:27:32,378 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states. [2020-11-28 07:27:32,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 07:27:32,392 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:27:32,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:27:32,393 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:27:32,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:27:32,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1847918193, now seen corresponding path program 1 times [2020-11-28 07:27:32,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:27:32,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944438076] [2020-11-28 07:27:32,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:27:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:27:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:27:32,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944438076] [2020-11-28 07:27:32,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:27:32,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:27:32,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430500937] [2020-11-28 07:27:32,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:27:32,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:27:32,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:27:32,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:27:32,653 INFO L87 Difference]: Start difference. First operand 235 states. Second operand 2 states. [2020-11-28 07:27:32,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:27:32,718 INFO L93 Difference]: Finished difference Result 460 states and 907 transitions. [2020-11-28 07:27:32,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:27:32,719 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-11-28 07:27:32,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:27:32,749 INFO L225 Difference]: With dead ends: 460 [2020-11-28 07:27:32,755 INFO L226 Difference]: Without dead ends: 223 [2020-11-28 07:27:32,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:27:32,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-11-28 07:27:32,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-11-28 07:27:32,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-11-28 07:27:32,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 392 transitions. [2020-11-28 07:27:32,856 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 392 transitions. Word has length 8 [2020-11-28 07:27:32,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:27:32,857 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 392 transitions. [2020-11-28 07:27:32,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:27:32,857 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 392 transitions. [2020-11-28 07:27:32,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 07:27:32,859 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:27:32,859 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:27:32,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:27:32,860 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:27:32,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:27:32,863 INFO L82 PathProgramCache]: Analyzing trace with hash -918422649, now seen corresponding path program 1 times [2020-11-28 07:27:32,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:27:32,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80080292] [2020-11-28 07:27:32,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:27:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:27:32,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:27:32,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80080292] [2020-11-28 07:27:32,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:27:32,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:27:32,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704045494] [2020-11-28 07:27:32,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:27:32,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:27:32,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:27:32,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:27:32,963 INFO L87 Difference]: Start difference. First operand 223 states and 392 transitions. Second operand 3 states. [2020-11-28 07:27:33,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:27:33,176 INFO L93 Difference]: Finished difference Result 448 states and 787 transitions. [2020-11-28 07:27:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:27:33,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-28 07:27:33,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:27:33,180 INFO L225 Difference]: With dead ends: 448 [2020-11-28 07:27:33,180 INFO L226 Difference]: Without dead ends: 226 [2020-11-28 07:27:33,182 INFO L677 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 [2020-11-28 07:27:33,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-11-28 07:27:33,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-11-28 07:27:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-11-28 07:27:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 395 transitions. [2020-11-28 07:27:33,204 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 395 transitions. Word has length 9 [2020-11-28 07:27:33,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:27:33,205 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 395 transitions. [2020-11-28 07:27:33,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:27:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 395 transitions. [2020-11-28 07:27:33,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 07:27:33,207 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:27:33,207 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:27:33,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 07:27:33,208 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:27:33,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:27:33,210 INFO L82 PathProgramCache]: Analyzing trace with hash -936197006, now seen corresponding path program 1 times [2020-11-28 07:27:33,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:27:33,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595738664] [2020-11-28 07:27:33,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:27:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:27:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:27:33,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595738664] [2020-11-28 07:27:33,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:27:33,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 07:27:33,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60546311] [2020-11-28 07:27:33,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:27:33,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:27:33,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:27:33,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:27:33,298 INFO L87 Difference]: Start difference. First operand 226 states and 395 transitions. Second operand 3 states. [2020-11-28 07:27:33,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:27:33,485 INFO L93 Difference]: Finished difference Result 456 states and 796 transitions. [2020-11-28 07:27:33,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:27:33,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-11-28 07:27:33,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:27:33,489 INFO L225 Difference]: With dead ends: 456 [2020-11-28 07:27:33,489 INFO L226 Difference]: Without dead ends: 232 [2020-11-28 07:27:33,490 INFO L677 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 [2020-11-28 07:27:33,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-11-28 07:27:33,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2020-11-28 07:27:33,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-11-28 07:27:33,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 399 transitions. [2020-11-28 07:27:33,510 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 399 transitions. Word has length 14 [2020-11-28 07:27:33,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:27:33,510 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 399 transitions. [2020-11-28 07:27:33,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:27:33,510 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 399 transitions. [2020-11-28 07:27:33,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 07:27:33,511 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:27:33,517 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:27:33,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 07:27:33,518 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:27:33,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:27:33,518 INFO L82 PathProgramCache]: Analyzing trace with hash 288475844, now seen corresponding path program 1 times [2020-11-28 07:27:33,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:27:33,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384225863] [2020-11-28 07:27:33,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:27:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:27:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:27:33,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384225863] [2020-11-28 07:27:33,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:27:33,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 07:27:33,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942846380] [2020-11-28 07:27:33,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:27:33,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:27:33,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:27:33,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:27:33,578 INFO L87 Difference]: Start difference. First operand 230 states and 399 transitions. Second operand 3 states. [2020-11-28 07:27:33,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:27:33,755 INFO L93 Difference]: Finished difference Result 271 states and 455 transitions. [2020-11-28 07:27:33,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:27:33,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 07:27:33,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:27:33,758 INFO L225 Difference]: With dead ends: 271 [2020-11-28 07:27:33,758 INFO L226 Difference]: Without dead ends: 265 [2020-11-28 07:27:33,759 INFO L677 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 [2020-11-28 07:27:33,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-11-28 07:27:33,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 256. [2020-11-28 07:27:33,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-11-28 07:27:33,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 439 transitions. [2020-11-28 07:27:33,769 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 439 transitions. Word has length 17 [2020-11-28 07:27:33,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:27:33,769 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 439 transitions. [2020-11-28 07:27:33,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:27:33,769 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 439 transitions. [2020-11-28 07:27:33,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 07:27:33,770 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:27:33,770 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:27:33,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 07:27:33,771 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:27:33,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:27:33,771 INFO L82 PathProgramCache]: Analyzing trace with hash 364236639, now seen corresponding path program 1 times [2020-11-28 07:27:33,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:27:33,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695759438] [2020-11-28 07:27:33,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:27:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:27:33,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:27:33,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695759438] [2020-11-28 07:27:33,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:27:33,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 07:27:33,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336541954] [2020-11-28 07:27:33,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:27:33,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:27:33,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:27:33,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:27:33,858 INFO L87 Difference]: Start difference. First operand 256 states and 439 transitions. Second operand 3 states. [2020-11-28 07:27:34,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:27:34,067 INFO L93 Difference]: Finished difference Result 258 states and 440 transitions. [2020-11-28 07:27:34,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:27:34,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-11-28 07:27:34,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:27:34,080 INFO L225 Difference]: With dead ends: 258 [2020-11-28 07:27:34,080 INFO L226 Difference]: Without dead ends: 256 [2020-11-28 07:27:34,081 INFO L677 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 [2020-11-28 07:27:34,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-11-28 07:27:34,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2020-11-28 07:27:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-11-28 07:27:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 431 transitions. [2020-11-28 07:27:34,092 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 431 transitions. Word has length 18 [2020-11-28 07:27:34,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:27:34,092 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 431 transitions. [2020-11-28 07:27:34,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:27:34,093 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 431 transitions. [2020-11-28 07:27:34,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 07:27:34,094 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:27:34,094 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:27:34,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 07:27:34,095 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:27:34,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:27:34,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1288695077, now seen corresponding path program 1 times [2020-11-28 07:27:34,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:27:34,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059322797] [2020-11-28 07:27:34,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:27:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:27:34,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:27:34,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059322797] [2020-11-28 07:27:34,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:27:34,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 07:27:34,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083492018] [2020-11-28 07:27:34,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:27:34,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:27:34,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:27:34,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:27:34,199 INFO L87 Difference]: Start difference. First operand 256 states and 431 transitions. Second operand 3 states. [2020-11-28 07:27:34,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:27:34,925 INFO L93 Difference]: Finished difference Result 703 states and 1181 transitions. [2020-11-28 07:27:34,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:27:34,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-11-28 07:27:34,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:27:34,930 INFO L225 Difference]: With dead ends: 703 [2020-11-28 07:27:34,930 INFO L226 Difference]: Without dead ends: 443 [2020-11-28 07:27:34,931 INFO L677 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 [2020-11-28 07:27:34,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2020-11-28 07:27:34,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 417. [2020-11-28 07:27:34,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-11-28 07:27:34,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 642 transitions. [2020-11-28 07:27:34,947 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 642 transitions. Word has length 21 [2020-11-28 07:27:34,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:27:34,948 INFO L481 AbstractCegarLoop]: Abstraction has 417 states and 642 transitions. [2020-11-28 07:27:34,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:27:34,948 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 642 transitions. [2020-11-28 07:27:34,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 07:27:34,950 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:27:34,950 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:27:34,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 07:27:34,950 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:27:34,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:27:34,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1552052931, now seen corresponding path program 1 times [2020-11-28 07:27:34,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:27:34,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402108110] [2020-11-28 07:27:34,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:27:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:27:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 07:27:35,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402108110] [2020-11-28 07:27:35,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:27:35,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 07:27:35,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872909128] [2020-11-28 07:27:35,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:27:35,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:27:35,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:27:35,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:27:35,021 INFO L87 Difference]: Start difference. First operand 417 states and 642 transitions. Second operand 3 states. [2020-11-28 07:27:35,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:27:35,099 INFO L93 Difference]: Finished difference Result 753 states and 1167 transitions. [2020-11-28 07:27:35,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:27:35,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-11-28 07:27:35,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:27:35,103 INFO L225 Difference]: With dead ends: 753 [2020-11-28 07:27:35,103 INFO L226 Difference]: Without dead ends: 338 [2020-11-28 07:27:35,105 INFO L677 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 [2020-11-28 07:27:35,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-11-28 07:27:35,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2020-11-28 07:27:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-11-28 07:27:35,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 521 transitions. [2020-11-28 07:27:35,123 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 521 transitions. Word has length 28 [2020-11-28 07:27:35,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:27:35,124 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 521 transitions. [2020-11-28 07:27:35,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:27:35,124 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 521 transitions. [2020-11-28 07:27:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 07:27:35,131 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:27:35,132 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:27:35,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 07:27:35,132 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:27:35,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:27:35,133 INFO L82 PathProgramCache]: Analyzing trace with hash 491369633, now seen corresponding path program 1 times [2020-11-28 07:27:35,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:27:35,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35437970] [2020-11-28 07:27:35,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:27:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:27:35,220 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 07:27:35,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35437970] [2020-11-28 07:27:35,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:27:35,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 07:27:35,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126225498] [2020-11-28 07:27:35,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:27:35,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:27:35,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:27:35,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:27:35,223 INFO L87 Difference]: Start difference. First operand 338 states and 521 transitions. Second operand 3 states. [2020-11-28 07:27:35,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:27:35,309 INFO L93 Difference]: Finished difference Result 663 states and 1028 transitions. [2020-11-28 07:27:35,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:27:35,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-11-28 07:27:35,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:27:35,312 INFO L225 Difference]: With dead ends: 663 [2020-11-28 07:27:35,313 INFO L226 Difference]: Without dead ends: 332 [2020-11-28 07:27:35,314 INFO L677 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 [2020-11-28 07:27:35,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-11-28 07:27:35,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2020-11-28 07:27:35,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-11-28 07:27:35,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 501 transitions. [2020-11-28 07:27:35,324 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 501 transitions. Word has length 32 [2020-11-28 07:27:35,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:27:35,326 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 501 transitions. [2020-11-28 07:27:35,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:27:35,327 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 501 transitions. [2020-11-28 07:27:35,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 07:27:35,332 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:27:35,332 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:27:35,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 07:27:35,333 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:27:35,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:27:35,333 INFO L82 PathProgramCache]: Analyzing trace with hash -38865855, now seen corresponding path program 1 times [2020-11-28 07:27:35,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:27:35,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442653081] [2020-11-28 07:27:35,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:27:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:27:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 07:27:35,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442653081] [2020-11-28 07:27:35,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:27:35,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 07:27:35,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627963780] [2020-11-28 07:27:35,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:27:35,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:27:35,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:27:35,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:27:35,399 INFO L87 Difference]: Start difference. First operand 332 states and 501 transitions. Second operand 3 states. [2020-11-28 07:27:35,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:27:35,899 INFO L93 Difference]: Finished difference Result 375 states and 542 transitions. [2020-11-28 07:27:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:27:35,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-11-28 07:27:35,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:27:35,903 INFO L225 Difference]: With dead ends: 375 [2020-11-28 07:27:35,903 INFO L226 Difference]: Without dead ends: 338 [2020-11-28 07:27:35,903 INFO L677 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 [2020-11-28 07:27:35,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-11-28 07:27:35,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 332. [2020-11-28 07:27:35,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-11-28 07:27:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 465 transitions. [2020-11-28 07:27:35,916 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 465 transitions. Word has length 36 [2020-11-28 07:27:35,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:27:35,916 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 465 transitions. [2020-11-28 07:27:35,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:27:35,917 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 465 transitions. [2020-11-28 07:27:35,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 07:27:35,918 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:27:35,918 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:27:35,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 07:27:35,918 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:27:35,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:27:35,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1269149006, now seen corresponding path program 1 times [2020-11-28 07:27:35,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:27:35,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708895414] [2020-11-28 07:27:35,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:27:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:27:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 07:27:35,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708895414] [2020-11-28 07:27:35,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:27:35,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 07:27:35,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613050322] [2020-11-28 07:27:35,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:27:35,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:27:35,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:27:35,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:27:35,964 INFO L87 Difference]: Start difference. First operand 332 states and 465 transitions. Second operand 3 states. [2020-11-28 07:27:36,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:27:36,024 INFO L93 Difference]: Finished difference Result 634 states and 887 transitions. [2020-11-28 07:27:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:27:36,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-11-28 07:27:36,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:27:36,026 INFO L225 Difference]: With dead ends: 634 [2020-11-28 07:27:36,027 INFO L226 Difference]: Without dead ends: 309 [2020-11-28 07:27:36,027 INFO L677 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 [2020-11-28 07:27:36,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-11-28 07:27:36,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2020-11-28 07:27:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-11-28 07:27:36,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 428 transitions. [2020-11-28 07:27:36,036 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 428 transitions. Word has length 37 [2020-11-28 07:27:36,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:27:36,036 INFO L481 AbstractCegarLoop]: Abstraction has 309 states and 428 transitions. [2020-11-28 07:27:36,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:27:36,037 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 428 transitions. [2020-11-28 07:27:36,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 07:27:36,037 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:27:36,038 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:27:36,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 07:27:36,038 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:27:36,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:27:36,038 INFO L82 PathProgramCache]: Analyzing trace with hash -680414991, now seen corresponding path program 1 times [2020-11-28 07:27:36,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:27:36,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76718571] [2020-11-28 07:27:36,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:27:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:27:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 07:27:36,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76718571] [2020-11-28 07:27:36,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:27:36,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 07:27:36,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070943145] [2020-11-28 07:27:36,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:27:36,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:27:36,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:27:36,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:27:36,079 INFO L87 Difference]: Start difference. First operand 309 states and 428 transitions. Second operand 3 states. [2020-11-28 07:27:36,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:27:36,150 INFO L93 Difference]: Finished difference Result 473 states and 664 transitions. [2020-11-28 07:27:36,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:27:36,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-11-28 07:27:36,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:27:36,151 INFO L225 Difference]: With dead ends: 473 [2020-11-28 07:27:36,151 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:27:36,152 INFO L677 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 [2020-11-28 07:27:36,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:27:36,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:27:36,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:27:36,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:27:36,152 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2020-11-28 07:27:36,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:27:36,152 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:27:36,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:27:36,153 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:27:36,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:27:36,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 07:27:36,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:27:36,327 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-11-28 07:27:36,330 INFO L274 CegarLoopResult]: For program point L1093(lines 1093 1095) no Hoare annotation was computed. [2020-11-28 07:27:36,330 INFO L274 CegarLoopResult]: For program point L961(lines 961 963) no Hoare annotation was computed. [2020-11-28 07:27:36,331 INFO L274 CegarLoopResult]: For program point L829(lines 829 840) no Hoare annotation was computed. [2020-11-28 07:27:36,331 INFO L274 CegarLoopResult]: For program point L763(lines 763 778) no Hoare annotation was computed. [2020-11-28 07:27:36,331 INFO L274 CegarLoopResult]: For program point L433(lines 433 435) no Hoare annotation was computed. [2020-11-28 07:27:36,331 INFO L274 CegarLoopResult]: For program point L301(lines 301 303) no Hoare annotation was computed. [2020-11-28 07:27:36,331 INFO L274 CegarLoopResult]: For program point L169(lines 169 180) no Hoare annotation was computed. [2020-11-28 07:27:36,331 INFO L274 CegarLoopResult]: For program point L897(lines 897 899) no Hoare annotation was computed. [2020-11-28 07:27:36,331 INFO L274 CegarLoopResult]: For program point L765(lines 765 776) no Hoare annotation was computed. [2020-11-28 07:27:36,331 INFO L274 CegarLoopResult]: For program point L699(lines 699 714) no Hoare annotation was computed. [2020-11-28 07:27:36,331 INFO L274 CegarLoopResult]: For program point L369(lines 369 371) no Hoare annotation was computed. [2020-11-28 07:27:36,331 INFO L274 CegarLoopResult]: For program point L237(lines 237 239) no Hoare annotation was computed. [2020-11-28 07:27:36,331 INFO L274 CegarLoopResult]: For program point L105(lines 105 107) no Hoare annotation was computed. [2020-11-28 07:27:36,331 INFO L274 CegarLoopResult]: For program point L833(lines 833 835) no Hoare annotation was computed. [2020-11-28 07:27:36,332 INFO L274 CegarLoopResult]: For program point L701(lines 701 712) no Hoare annotation was computed. [2020-11-28 07:27:36,332 INFO L274 CegarLoopResult]: For program point L635(lines 635 650) no Hoare annotation was computed. [2020-11-28 07:27:36,332 INFO L274 CegarLoopResult]: For program point L173(lines 173 175) no Hoare annotation was computed. [2020-11-28 07:27:36,332 INFO L274 CegarLoopResult]: For program point L1231(lines 1231 1246) no Hoare annotation was computed. [2020-11-28 07:27:36,332 INFO L274 CegarLoopResult]: For program point L769(lines 769 771) no Hoare annotation was computed. [2020-11-28 07:27:36,332 INFO L274 CegarLoopResult]: For program point L637(lines 637 648) no Hoare annotation was computed. [2020-11-28 07:27:36,332 INFO L274 CegarLoopResult]: For program point L571(lines 571 586) no Hoare annotation was computed. [2020-11-28 07:27:36,332 INFO L274 CegarLoopResult]: For program point L1233(lines 1233 1244) no Hoare annotation was computed. [2020-11-28 07:27:36,332 INFO L274 CegarLoopResult]: For program point L1167(lines 1167 1182) no Hoare annotation was computed. [2020-11-28 07:27:36,332 INFO L274 CegarLoopResult]: For program point L1035(lines 1035 1050) no Hoare annotation was computed. [2020-11-28 07:27:36,332 INFO L274 CegarLoopResult]: For program point L705(lines 705 707) no Hoare annotation was computed. [2020-11-28 07:27:36,332 INFO L274 CegarLoopResult]: For program point L573(lines 573 584) no Hoare annotation was computed. [2020-11-28 07:27:36,333 INFO L274 CegarLoopResult]: For program point L507(lines 507 522) no Hoare annotation was computed. [2020-11-28 07:27:36,333 INFO L274 CegarLoopResult]: For program point L1169(lines 1169 1180) no Hoare annotation was computed. [2020-11-28 07:27:36,333 INFO L274 CegarLoopResult]: For program point L1103(lines 1103 1118) no Hoare annotation was computed. [2020-11-28 07:27:36,333 INFO L274 CegarLoopResult]: For program point L46(lines 46 65) no Hoare annotation was computed. [2020-11-28 07:27:36,333 INFO L274 CegarLoopResult]: For program point L1037(lines 1037 1048) no Hoare annotation was computed. [2020-11-28 07:27:36,333 INFO L274 CegarLoopResult]: For program point L971(lines 971 986) no Hoare annotation was computed. [2020-11-28 07:27:36,333 INFO L274 CegarLoopResult]: For program point L641(lines 641 643) no Hoare annotation was computed. [2020-11-28 07:27:36,333 INFO L274 CegarLoopResult]: For program point L509(lines 509 520) no Hoare annotation was computed. [2020-11-28 07:27:36,333 INFO L274 CegarLoopResult]: For program point L443(lines 443 458) no Hoare annotation was computed. [2020-11-28 07:27:36,333 INFO L274 CegarLoopResult]: For program point L311(lines 311 326) no Hoare annotation was computed. [2020-11-28 07:27:36,333 INFO L274 CegarLoopResult]: For program point L47(lines 47 62) no Hoare annotation was computed. [2020-11-28 07:27:36,333 INFO L274 CegarLoopResult]: For program point L1237(lines 1237 1239) no Hoare annotation was computed. [2020-11-28 07:27:36,334 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1116) no Hoare annotation was computed. [2020-11-28 07:27:36,334 INFO L274 CegarLoopResult]: For program point L973(lines 973 984) no Hoare annotation was computed. [2020-11-28 07:27:36,334 INFO L274 CegarLoopResult]: For program point L907(lines 907 922) no Hoare annotation was computed. [2020-11-28 07:27:36,334 INFO L274 CegarLoopResult]: For program point L577(lines 577 579) no Hoare annotation was computed. [2020-11-28 07:27:36,334 INFO L274 CegarLoopResult]: For program point L445(lines 445 456) no Hoare annotation was computed. [2020-11-28 07:27:36,334 INFO L274 CegarLoopResult]: For program point L379(lines 379 394) no Hoare annotation was computed. [2020-11-28 07:27:36,334 INFO L274 CegarLoopResult]: For program point L313(lines 313 324) no Hoare annotation was computed. [2020-11-28 07:27:36,334 INFO L274 CegarLoopResult]: For program point L247(lines 247 262) no Hoare annotation was computed. [2020-11-28 07:27:36,334 INFO L270 CegarLoopResult]: At program point L1238(lines 18 1257) the Hoare annotation is: false [2020-11-28 07:27:36,334 INFO L274 CegarLoopResult]: For program point L115(lines 115 130) no Hoare annotation was computed. [2020-11-28 07:27:36,335 INFO L274 CegarLoopResult]: For program point L49(lines 49 60) no Hoare annotation was computed. [2020-11-28 07:27:36,335 INFO L274 CegarLoopResult]: For program point L1173(lines 1173 1175) no Hoare annotation was computed. [2020-11-28 07:27:36,335 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1043) no Hoare annotation was computed. [2020-11-28 07:27:36,335 INFO L274 CegarLoopResult]: For program point L909(lines 909 920) no Hoare annotation was computed. [2020-11-28 07:27:36,335 INFO L274 CegarLoopResult]: For program point L843(lines 843 858) no Hoare annotation was computed. [2020-11-28 07:27:36,335 INFO L274 CegarLoopResult]: For program point L513(lines 513 515) no Hoare annotation was computed. [2020-11-28 07:27:36,335 INFO L274 CegarLoopResult]: For program point L381(lines 381 392) no Hoare annotation was computed. [2020-11-28 07:27:36,340 INFO L274 CegarLoopResult]: For program point L249(lines 249 260) no Hoare annotation was computed. [2020-11-28 07:27:36,340 INFO L274 CegarLoopResult]: For program point L183(lines 183 198) no Hoare annotation was computed. [2020-11-28 07:27:36,340 INFO L274 CegarLoopResult]: For program point L117(lines 117 128) no Hoare annotation was computed. [2020-11-28 07:27:36,340 INFO L274 CegarLoopResult]: For program point L1109(lines 1109 1111) no Hoare annotation was computed. [2020-11-28 07:27:36,341 INFO L274 CegarLoopResult]: For program point L977(lines 977 979) no Hoare annotation was computed. [2020-11-28 07:27:36,341 INFO L274 CegarLoopResult]: For program point L845(lines 845 856) no Hoare annotation was computed. [2020-11-28 07:27:36,341 INFO L274 CegarLoopResult]: For program point L779(lines 779 794) no Hoare annotation was computed. [2020-11-28 07:27:36,341 INFO L274 CegarLoopResult]: For program point L449(lines 449 451) no Hoare annotation was computed. [2020-11-28 07:27:36,341 INFO L274 CegarLoopResult]: For program point L317(lines 317 319) no Hoare annotation was computed. [2020-11-28 07:27:36,341 INFO L274 CegarLoopResult]: For program point L185(lines 185 196) no Hoare annotation was computed. [2020-11-28 07:27:36,341 INFO L274 CegarLoopResult]: For program point L53(lines 53 55) no Hoare annotation was computed. [2020-11-28 07:27:36,342 INFO L274 CegarLoopResult]: For program point L913(lines 913 915) no Hoare annotation was computed. [2020-11-28 07:27:36,342 INFO L274 CegarLoopResult]: For program point L781(lines 781 792) no Hoare annotation was computed. [2020-11-28 07:27:36,342 INFO L274 CegarLoopResult]: For program point L715(lines 715 730) no Hoare annotation was computed. [2020-11-28 07:27:36,342 INFO L274 CegarLoopResult]: For program point L385(lines 385 387) no Hoare annotation was computed. [2020-11-28 07:27:36,342 INFO L274 CegarLoopResult]: For program point L253(lines 253 255) no Hoare annotation was computed. [2020-11-28 07:27:36,342 INFO L274 CegarLoopResult]: For program point L121(lines 121 123) no Hoare annotation was computed. [2020-11-28 07:27:36,342 INFO L274 CegarLoopResult]: For program point L849(lines 849 851) no Hoare annotation was computed. [2020-11-28 07:27:36,342 INFO L274 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-11-28 07:27:36,343 INFO L274 CegarLoopResult]: For program point L651(lines 651 666) no Hoare annotation was computed. [2020-11-28 07:27:36,343 INFO L274 CegarLoopResult]: For program point L189(lines 189 191) no Hoare annotation was computed. [2020-11-28 07:27:36,343 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:27:36,343 INFO L274 CegarLoopResult]: For program point L785(lines 785 787) no Hoare annotation was computed. [2020-11-28 07:27:36,343 INFO L274 CegarLoopResult]: For program point L653(lines 653 664) no Hoare annotation was computed. [2020-11-28 07:27:36,343 INFO L274 CegarLoopResult]: For program point L587(lines 587 602) no Hoare annotation was computed. [2020-11-28 07:27:36,344 INFO L270 CegarLoopResult]: At program point L1248(lines 34 1252) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 0)) (.cse2 (= ULTIMATE.start_main_~this_m_conn~0 1)) (.cse0 (= ULTIMATE.start_main_~this_m_delta~0 1))) (or (and (= ULTIMATE.start_main_~q~0 0) .cse0) (and (= ULTIMATE.start_main_~q~0 2) .cse0 (= ULTIMATE.start_main_~this_m_conn~0 0) .cse1) (and (<= 4 ULTIMATE.start_main_~q~0) .cse2 .cse0 .cse1) (and .cse2 (= ULTIMATE.start_main_~q~0 3) (= ULTIMATE.start_main_~this_m_conn_data_listener~0 1) .cse0))) [2020-11-28 07:27:36,344 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1198) no Hoare annotation was computed. [2020-11-28 07:27:36,344 INFO L274 CegarLoopResult]: For program point L1051(lines 1051 1066) no Hoare annotation was computed. [2020-11-28 07:27:36,344 INFO L274 CegarLoopResult]: For program point L721(lines 721 723) no Hoare annotation was computed. [2020-11-28 07:27:36,344 INFO L274 CegarLoopResult]: For program point L589(lines 589 600) no Hoare annotation was computed. [2020-11-28 07:27:36,344 INFO L274 CegarLoopResult]: For program point L523(lines 523 538) no Hoare annotation was computed. [2020-11-28 07:27:36,344 INFO L274 CegarLoopResult]: For program point L1185(lines 1185 1196) no Hoare annotation was computed. [2020-11-28 07:27:36,345 INFO L274 CegarLoopResult]: For program point L1119(lines 1119 1134) no Hoare annotation was computed. [2020-11-28 07:27:36,345 INFO L274 CegarLoopResult]: For program point L1053(lines 1053 1064) no Hoare annotation was computed. [2020-11-28 07:27:36,345 INFO L274 CegarLoopResult]: For program point L987(lines 987 1002) no Hoare annotation was computed. [2020-11-28 07:27:36,345 INFO L274 CegarLoopResult]: For program point L657(lines 657 659) no Hoare annotation was computed. [2020-11-28 07:27:36,345 INFO L274 CegarLoopResult]: For program point L525(lines 525 536) no Hoare annotation was computed. [2020-11-28 07:27:36,345 INFO L274 CegarLoopResult]: For program point L459(lines 459 474) no Hoare annotation was computed. [2020-11-28 07:27:36,345 INFO L274 CegarLoopResult]: For program point L1121(lines 1121 1132) no Hoare annotation was computed. [2020-11-28 07:27:36,345 INFO L274 CegarLoopResult]: For program point L989(lines 989 1000) no Hoare annotation was computed. [2020-11-28 07:27:36,346 INFO L274 CegarLoopResult]: For program point L923(lines 923 938) no Hoare annotation was computed. [2020-11-28 07:27:36,346 INFO L274 CegarLoopResult]: For program point L593(lines 593 595) no Hoare annotation was computed. [2020-11-28 07:27:36,346 INFO L274 CegarLoopResult]: For program point L461(lines 461 472) no Hoare annotation was computed. [2020-11-28 07:27:36,346 INFO L274 CegarLoopResult]: For program point L395(lines 395 410) no Hoare annotation was computed. [2020-11-28 07:27:36,346 INFO L274 CegarLoopResult]: For program point L263(lines 263 278) no Hoare annotation was computed. [2020-11-28 07:27:36,346 INFO L274 CegarLoopResult]: For program point L131(lines 131 146) no Hoare annotation was computed. [2020-11-28 07:27:36,346 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-28 07:27:36,347 INFO L274 CegarLoopResult]: For program point L330(lines 330 1069) no Hoare annotation was computed. [2020-11-28 07:27:36,347 INFO L274 CegarLoopResult]: For program point L1189(lines 1189 1191) no Hoare annotation was computed. [2020-11-28 07:27:36,347 INFO L274 CegarLoopResult]: For program point L66(lines 66 149) no Hoare annotation was computed. [2020-11-28 07:27:36,347 INFO L274 CegarLoopResult]: For program point L1057(lines 1057 1059) no Hoare annotation was computed. [2020-11-28 07:27:36,347 INFO L274 CegarLoopResult]: For program point L925(lines 925 936) no Hoare annotation was computed. [2020-11-28 07:27:36,347 INFO L274 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2020-11-28 07:27:36,347 INFO L274 CegarLoopResult]: For program point L529(lines 529 531) no Hoare annotation was computed. [2020-11-28 07:27:36,348 INFO L274 CegarLoopResult]: For program point L397(lines 397 408) no Hoare annotation was computed. [2020-11-28 07:27:36,348 INFO L274 CegarLoopResult]: For program point L331(lines 331 346) no Hoare annotation was computed. [2020-11-28 07:27:36,348 INFO L274 CegarLoopResult]: For program point L265(lines 265 276) no Hoare annotation was computed. [2020-11-28 07:27:36,348 INFO L274 CegarLoopResult]: For program point L199(lines 199 214) no Hoare annotation was computed. [2020-11-28 07:27:36,348 INFO L274 CegarLoopResult]: For program point L133(lines 133 144) no Hoare annotation was computed. [2020-11-28 07:27:36,348 INFO L274 CegarLoopResult]: For program point L67(lines 67 82) no Hoare annotation was computed. [2020-11-28 07:27:36,348 INFO L274 CegarLoopResult]: For program point L1125(lines 1125 1127) no Hoare annotation was computed. [2020-11-28 07:27:36,348 INFO L274 CegarLoopResult]: For program point L993(lines 993 995) no Hoare annotation was computed. [2020-11-28 07:27:36,349 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-11-28 07:27:36,349 INFO L274 CegarLoopResult]: For program point L795(lines 795 810) no Hoare annotation was computed. [2020-11-28 07:27:36,349 INFO L274 CegarLoopResult]: For program point L465(lines 465 467) no Hoare annotation was computed. [2020-11-28 07:27:36,349 INFO L274 CegarLoopResult]: For program point L333(lines 333 344) no Hoare annotation was computed. [2020-11-28 07:27:36,349 INFO L274 CegarLoopResult]: For program point L201(lines 201 212) no Hoare annotation was computed. [2020-11-28 07:27:36,349 INFO L274 CegarLoopResult]: For program point L69(lines 69 80) no Hoare annotation was computed. [2020-11-28 07:27:36,349 INFO L274 CegarLoopResult]: For program point L929(lines 929 931) no Hoare annotation was computed. [2020-11-28 07:27:36,349 INFO L274 CegarLoopResult]: For program point L797(lines 797 808) no Hoare annotation was computed. [2020-11-28 07:27:36,350 INFO L274 CegarLoopResult]: For program point L731(lines 731 746) no Hoare annotation was computed. [2020-11-28 07:27:36,350 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-28 07:27:36,350 INFO L274 CegarLoopResult]: For program point L269(lines 269 271) no Hoare annotation was computed. [2020-11-28 07:27:36,350 INFO L274 CegarLoopResult]: For program point L137(lines 137 139) no Hoare annotation was computed. [2020-11-28 07:27:36,350 INFO L274 CegarLoopResult]: For program point L865(lines 865 867) no Hoare annotation was computed. [2020-11-28 07:27:36,350 INFO L274 CegarLoopResult]: For program point L733(lines 733 744) no Hoare annotation was computed. [2020-11-28 07:27:36,350 INFO L274 CegarLoopResult]: For program point L667(lines 667 682) no Hoare annotation was computed. [2020-11-28 07:27:36,351 INFO L274 CegarLoopResult]: For program point L337(lines 337 339) no Hoare annotation was computed. [2020-11-28 07:27:36,351 INFO L274 CegarLoopResult]: For program point L205(lines 205 207) no Hoare annotation was computed. [2020-11-28 07:27:36,351 INFO L274 CegarLoopResult]: For program point L73(lines 73 75) no Hoare annotation was computed. [2020-11-28 07:27:36,351 INFO L274 CegarLoopResult]: For program point L801(lines 801 803) no Hoare annotation was computed. [2020-11-28 07:27:36,351 INFO L274 CegarLoopResult]: For program point L669(lines 669 680) no Hoare annotation was computed. [2020-11-28 07:27:36,351 INFO L274 CegarLoopResult]: For program point L603(lines 603 618) no Hoare annotation was computed. [2020-11-28 07:27:36,351 INFO L274 CegarLoopResult]: For program point L1199(lines 1199 1214) no Hoare annotation was computed. [2020-11-28 07:27:36,351 INFO L274 CegarLoopResult]: For program point L737(lines 737 739) no Hoare annotation was computed. [2020-11-28 07:27:36,352 INFO L274 CegarLoopResult]: For program point L605(lines 605 616) no Hoare annotation was computed. [2020-11-28 07:27:36,352 INFO L274 CegarLoopResult]: For program point L539(lines 539 554) no Hoare annotation was computed. [2020-11-28 07:27:36,352 INFO L274 CegarLoopResult]: For program point L1201(lines 1201 1212) no Hoare annotation was computed. [2020-11-28 07:27:36,352 INFO L274 CegarLoopResult]: For program point L1135(lines 1135 1150) no Hoare annotation was computed. [2020-11-28 07:27:36,352 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1018) no Hoare annotation was computed. [2020-11-28 07:27:36,352 INFO L274 CegarLoopResult]: For program point L673(lines 673 675) no Hoare annotation was computed. [2020-11-28 07:27:36,352 INFO L274 CegarLoopResult]: For program point L541(lines 541 552) no Hoare annotation was computed. [2020-11-28 07:27:36,352 INFO L274 CegarLoopResult]: For program point L475(lines 475 490) no Hoare annotation was computed. [2020-11-28 07:27:36,353 INFO L274 CegarLoopResult]: For program point L1070(lines 1070 1249) no Hoare annotation was computed. [2020-11-28 07:27:36,353 INFO L274 CegarLoopResult]: For program point L1137(lines 1137 1148) no Hoare annotation was computed. [2020-11-28 07:27:36,353 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1086) no Hoare annotation was computed. [2020-11-28 07:27:36,353 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1016) no Hoare annotation was computed. [2020-11-28 07:27:36,353 INFO L274 CegarLoopResult]: For program point L939(lines 939 954) no Hoare annotation was computed. [2020-11-28 07:27:36,353 INFO L274 CegarLoopResult]: For program point L609(lines 609 611) no Hoare annotation was computed. [2020-11-28 07:27:36,353 INFO L274 CegarLoopResult]: For program point L477(lines 477 488) no Hoare annotation was computed. [2020-11-28 07:27:36,354 INFO L274 CegarLoopResult]: For program point L411(lines 411 426) no Hoare annotation was computed. [2020-11-28 07:27:36,354 INFO L274 CegarLoopResult]: For program point L279(lines 279 294) no Hoare annotation was computed. [2020-11-28 07:27:36,354 INFO L274 CegarLoopResult]: For program point L1205(lines 1205 1207) no Hoare annotation was computed. [2020-11-28 07:27:36,354 INFO L274 CegarLoopResult]: For program point L1073(lines 1073 1084) no Hoare annotation was computed. [2020-11-28 07:27:36,354 INFO L274 CegarLoopResult]: For program point L941(lines 941 952) no Hoare annotation was computed. [2020-11-28 07:27:36,354 INFO L274 CegarLoopResult]: For program point L875(lines 875 890) no Hoare annotation was computed. [2020-11-28 07:27:36,354 INFO L274 CegarLoopResult]: For program point L545(lines 545 547) no Hoare annotation was computed. [2020-11-28 07:27:36,354 INFO L274 CegarLoopResult]: For program point L413(lines 413 424) no Hoare annotation was computed. [2020-11-28 07:27:36,355 INFO L274 CegarLoopResult]: For program point L347(lines 347 362) no Hoare annotation was computed. [2020-11-28 07:27:36,355 INFO L274 CegarLoopResult]: For program point L281(lines 281 292) no Hoare annotation was computed. [2020-11-28 07:27:36,355 INFO L274 CegarLoopResult]: For program point L215(lines 215 230) no Hoare annotation was computed. [2020-11-28 07:27:36,356 INFO L274 CegarLoopResult]: For program point L83(lines 83 98) no Hoare annotation was computed. [2020-11-28 07:27:36,356 INFO L274 CegarLoopResult]: For program point L150(lines 150 329) no Hoare annotation was computed. [2020-11-28 07:27:36,356 INFO L274 CegarLoopResult]: For program point L1141(lines 1141 1143) no Hoare annotation was computed. [2020-11-28 07:27:36,356 INFO L277 CegarLoopResult]: At program point L18(lines 18 1257) the Hoare annotation is: true [2020-11-28 07:27:36,356 INFO L274 CegarLoopResult]: For program point L1009(lines 1009 1011) no Hoare annotation was computed. [2020-11-28 07:27:36,356 INFO L274 CegarLoopResult]: For program point L877(lines 877 888) no Hoare annotation was computed. [2020-11-28 07:27:36,356 INFO L274 CegarLoopResult]: For program point L811(lines 811 826) no Hoare annotation was computed. [2020-11-28 07:27:36,357 INFO L274 CegarLoopResult]: For program point L481(lines 481 483) no Hoare annotation was computed. [2020-11-28 07:27:36,357 INFO L274 CegarLoopResult]: For program point L349(lines 349 360) no Hoare annotation was computed. [2020-11-28 07:27:36,357 INFO L274 CegarLoopResult]: For program point L217(lines 217 228) no Hoare annotation was computed. [2020-11-28 07:27:36,357 INFO L274 CegarLoopResult]: For program point L151(lines 151 166) no Hoare annotation was computed. [2020-11-28 07:27:36,357 INFO L274 CegarLoopResult]: For program point L85(lines 85 96) no Hoare annotation was computed. [2020-11-28 07:27:36,357 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:27:36,357 INFO L274 CegarLoopResult]: For program point L1077(lines 1077 1079) no Hoare annotation was computed. [2020-11-28 07:27:36,357 INFO L274 CegarLoopResult]: For program point L945(lines 945 947) no Hoare annotation was computed. [2020-11-28 07:27:36,358 INFO L274 CegarLoopResult]: For program point L813(lines 813 824) no Hoare annotation was computed. [2020-11-28 07:27:36,358 INFO L274 CegarLoopResult]: For program point L747(lines 747 762) no Hoare annotation was computed. [2020-11-28 07:27:36,358 INFO L274 CegarLoopResult]: For program point L417(lines 417 419) no Hoare annotation was computed. [2020-11-28 07:27:36,358 INFO L274 CegarLoopResult]: For program point L285(lines 285 287) no Hoare annotation was computed. [2020-11-28 07:27:36,358 INFO L274 CegarLoopResult]: For program point L153(lines 153 164) no Hoare annotation was computed. [2020-11-28 07:27:36,358 INFO L274 CegarLoopResult]: For program point L881(lines 881 883) no Hoare annotation was computed. [2020-11-28 07:27:36,358 INFO L274 CegarLoopResult]: For program point L749(lines 749 760) no Hoare annotation was computed. [2020-11-28 07:27:36,358 INFO L274 CegarLoopResult]: For program point L683(lines 683 698) no Hoare annotation was computed. [2020-11-28 07:27:36,359 INFO L274 CegarLoopResult]: For program point L353(lines 353 355) no Hoare annotation was computed. [2020-11-28 07:27:36,359 INFO L274 CegarLoopResult]: For program point L221(lines 221 223) no Hoare annotation was computed. [2020-11-28 07:27:36,359 INFO L274 CegarLoopResult]: For program point L89(lines 89 91) no Hoare annotation was computed. [2020-11-28 07:27:36,359 INFO L274 CegarLoopResult]: For program point L817(lines 817 819) no Hoare annotation was computed. [2020-11-28 07:27:36,359 INFO L274 CegarLoopResult]: For program point L685(lines 685 696) no Hoare annotation was computed. [2020-11-28 07:27:36,359 INFO L274 CegarLoopResult]: For program point L619(lines 619 634) no Hoare annotation was computed. [2020-11-28 07:27:36,359 INFO L274 CegarLoopResult]: For program point L157(lines 157 159) no Hoare annotation was computed. [2020-11-28 07:27:36,360 INFO L274 CegarLoopResult]: For program point L1215(lines 1215 1230) no Hoare annotation was computed. [2020-11-28 07:27:36,360 INFO L274 CegarLoopResult]: For program point L753(lines 753 755) no Hoare annotation was computed. [2020-11-28 07:27:36,360 INFO L274 CegarLoopResult]: For program point L621(lines 621 632) no Hoare annotation was computed. [2020-11-28 07:27:36,360 INFO L274 CegarLoopResult]: For program point L555(lines 555 570) no Hoare annotation was computed. [2020-11-28 07:27:36,360 INFO L274 CegarLoopResult]: For program point L1217(lines 1217 1228) no Hoare annotation was computed. [2020-11-28 07:27:36,360 INFO L274 CegarLoopResult]: For program point L1151(lines 1151 1166) no Hoare annotation was computed. [2020-11-28 07:27:36,360 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1034) no Hoare annotation was computed. [2020-11-28 07:27:36,360 INFO L274 CegarLoopResult]: For program point L689(lines 689 691) no Hoare annotation was computed. [2020-11-28 07:27:36,361 INFO L274 CegarLoopResult]: For program point L557(lines 557 568) no Hoare annotation was computed. [2020-11-28 07:27:36,361 INFO L274 CegarLoopResult]: For program point L491(lines 491 506) no Hoare annotation was computed. [2020-11-28 07:27:36,361 INFO L274 CegarLoopResult]: For program point L1153(lines 1153 1164) no Hoare annotation was computed. [2020-11-28 07:27:36,361 INFO L274 CegarLoopResult]: For program point L1087(lines 1087 1102) no Hoare annotation was computed. [2020-11-28 07:27:36,361 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1032) no Hoare annotation was computed. [2020-11-28 07:27:36,361 INFO L274 CegarLoopResult]: For program point L955(lines 955 970) no Hoare annotation was computed. [2020-11-28 07:27:36,361 INFO L274 CegarLoopResult]: For program point L625(lines 625 627) no Hoare annotation was computed. [2020-11-28 07:27:36,361 INFO L274 CegarLoopResult]: For program point L493(lines 493 504) no Hoare annotation was computed. [2020-11-28 07:27:36,361 INFO L274 CegarLoopResult]: For program point L427(lines 427 442) no Hoare annotation was computed. [2020-11-28 07:27:36,362 INFO L274 CegarLoopResult]: For program point L295(lines 295 310) no Hoare annotation was computed. [2020-11-28 07:27:36,362 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1223) no Hoare annotation was computed. [2020-11-28 07:27:36,362 INFO L274 CegarLoopResult]: For program point L1089(lines 1089 1100) no Hoare annotation was computed. [2020-11-28 07:27:36,362 INFO L274 CegarLoopResult]: For program point L957(lines 957 968) no Hoare annotation was computed. [2020-11-28 07:27:36,362 INFO L274 CegarLoopResult]: For program point L891(lines 891 906) no Hoare annotation was computed. [2020-11-28 07:27:36,362 INFO L274 CegarLoopResult]: For program point L561(lines 561 563) no Hoare annotation was computed. [2020-11-28 07:27:36,362 INFO L274 CegarLoopResult]: For program point L429(lines 429 440) no Hoare annotation was computed. [2020-11-28 07:27:36,362 INFO L274 CegarLoopResult]: For program point L363(lines 363 378) no Hoare annotation was computed. [2020-11-28 07:27:36,363 INFO L274 CegarLoopResult]: For program point L297(lines 297 308) no Hoare annotation was computed. [2020-11-28 07:27:36,363 INFO L274 CegarLoopResult]: For program point L231(lines 231 246) no Hoare annotation was computed. [2020-11-28 07:27:36,363 INFO L274 CegarLoopResult]: For program point L99(lines 99 114) no Hoare annotation was computed. [2020-11-28 07:27:36,363 INFO L274 CegarLoopResult]: For program point L1157(lines 1157 1159) no Hoare annotation was computed. [2020-11-28 07:27:36,363 INFO L274 CegarLoopResult]: For program point L1025(lines 1025 1027) no Hoare annotation was computed. [2020-11-28 07:27:36,363 INFO L270 CegarLoopResult]: At program point L34-2(lines 34 1252) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~this_m_delta~0 1)) (.cse1 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 0))) (or (and (<= 4 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~this_m_conn~0 1) .cse0 .cse1) (and (= ULTIMATE.start_main_~q~0 0) .cse0 (= ULTIMATE.start_main_~this_m_conn~0 0) .cse1))) [2020-11-28 07:27:36,364 INFO L274 CegarLoopResult]: For program point L34-3(lines 34 1252) no Hoare annotation was computed. [2020-11-28 07:27:36,364 INFO L274 CegarLoopResult]: For program point L893(lines 893 904) no Hoare annotation was computed. [2020-11-28 07:27:36,364 INFO L274 CegarLoopResult]: For program point L827(lines 827 842) no Hoare annotation was computed. [2020-11-28 07:27:36,364 INFO L274 CegarLoopResult]: For program point L497(lines 497 499) no Hoare annotation was computed. [2020-11-28 07:27:36,364 INFO L274 CegarLoopResult]: For program point L365(lines 365 376) no Hoare annotation was computed. [2020-11-28 07:27:36,364 INFO L274 CegarLoopResult]: For program point L233(lines 233 244) no Hoare annotation was computed. [2020-11-28 07:27:36,364 INFO L274 CegarLoopResult]: For program point L167(lines 167 182) no Hoare annotation was computed. [2020-11-28 07:27:36,364 INFO L274 CegarLoopResult]: For program point L101(lines 101 112) no Hoare annotation was computed. [2020-11-28 07:27:36,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:27:36 BoogieIcfgContainer [2020-11-28 07:27:36,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:27:36,386 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:27:36,386 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:27:36,387 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:27:36,387 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:27:32" (3/4) ... [2020-11-28 07:27:36,390 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:27:36,426 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 07:27:36,436 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 07:27:36,436 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:27:36,437 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:27:36,499 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b2d5d524-704c-4fea-980a-d39854aa483e/bin/utaipan/witness.graphml [2020-11-28 07:27:36,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:27:36,500 INFO L168 Benchmark]: Toolchain (without parser) took 7983.08 ms. Allocated memory was 111.1 MB in the beginning and 306.2 MB in the end (delta: 195.0 MB). Free memory was 67.4 MB in the beginning and 246.2 MB in the end (delta: -178.8 MB). Peak memory consumption was 149.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:36,502 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 111.1 MB. Free memory was 83.2 MB in the beginning and 83.1 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:27:36,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1280.51 ms. Allocated memory was 111.1 MB in the beginning and 155.2 MB in the end (delta: 44.0 MB). Free memory was 67.4 MB in the beginning and 76.9 MB in the end (delta: -9.4 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:36,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 230.84 ms. Allocated memory is still 155.2 MB. Free memory was 76.9 MB in the beginning and 53.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:36,508 INFO L168 Benchmark]: Boogie Preprocessor took 239.27 ms. Allocated memory is still 155.2 MB. Free memory was 52.7 MB in the beginning and 94.7 MB in the end (delta: -42.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:36,508 INFO L168 Benchmark]: RCFGBuilder took 1993.39 ms. Allocated memory was 155.2 MB in the beginning and 253.8 MB in the end (delta: 98.6 MB). Free memory was 94.7 MB in the beginning and 125.5 MB in the end (delta: -30.8 MB). Peak memory consumption was 75.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:36,509 INFO L168 Benchmark]: TraceAbstraction took 4115.04 ms. Allocated memory is still 253.8 MB. Free memory was 125.5 MB in the beginning and 67.1 MB in the end (delta: 58.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:36,509 INFO L168 Benchmark]: Witness Printer took 112.79 ms. Allocated memory was 253.8 MB in the beginning and 306.2 MB in the end (delta: 52.4 MB). Free memory was 67.1 MB in the beginning and 246.2 MB in the end (delta: -179.1 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:36,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 111.1 MB. Free memory was 83.2 MB in the beginning and 83.1 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1280.51 ms. Allocated memory was 111.1 MB in the beginning and 155.2 MB in the end (delta: 44.0 MB). Free memory was 67.4 MB in the beginning and 76.9 MB in the end (delta: -9.4 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 230.84 ms. Allocated memory is still 155.2 MB. Free memory was 76.9 MB in the beginning and 53.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 239.27 ms. Allocated memory is still 155.2 MB. Free memory was 52.7 MB in the beginning and 94.7 MB in the end (delta: -42.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1993.39 ms. Allocated memory was 155.2 MB in the beginning and 253.8 MB in the end (delta: 98.6 MB). Free memory was 94.7 MB in the beginning and 125.5 MB in the end (delta: -30.8 MB). Peak memory consumption was 75.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4115.04 ms. Allocated memory is still 253.8 MB. Free memory was 125.5 MB in the beginning and 67.1 MB in the end (delta: 58.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 16.1 GB. * Witness Printer took 112.79 ms. Allocated memory was 253.8 MB in the beginning and 306.2 MB in the end (delta: 52.4 MB). Free memory was 67.1 MB in the beginning and 246.2 MB in the end (delta: -179.1 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 34]: Loop Invariant Derived loop invariant: (((4 <= q && this_m_conn == 1) && this_m_delta == 1) && this_m_conn_data_listener == 0) || (((q == 0 && this_m_delta == 1) && this_m_conn == 0) && this_m_conn_data_listener == 0) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((q == 0 && this_m_delta == 1) || (((q == 2 && this_m_delta == 1) && this_m_conn == 0) && this_m_conn_data_listener == 0)) || (((4 <= q && this_m_conn == 1) && this_m_delta == 1) && this_m_conn_data_listener == 0)) || (((this_m_conn == 1 && q == 3) && this_m_conn_data_listener == 1) && this_m_delta == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3811 SDtfs, 1581 SDslu, 1631 SDs, 0 SdLazy, 630 SolverSat, 301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=417occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 43 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 11 NumberOfFragments, 76 HoareAnnotationTreeSize, 4 FomulaSimplifications, 26 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 247 ConstructedInterpolants, 0 QuantifiedInterpolants, 10573 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 47/47 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...