./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_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/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 [2020-11-30 01:46:11,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:46:11,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:46:11,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:46:11,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:46:11,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:46:11,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:46:11,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:46:11,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:46:11,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:46:11,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:46:11,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:46:11,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:46:11,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:46:11,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:46:11,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:46:11,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:46:11,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:46:11,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:46:11,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:46:11,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:46:11,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:46:11,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:46:11,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:46:11,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:46:11,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:46:11,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:46:11,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:46:11,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:46:11,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:46:11,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:46:11,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:46:11,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:46:11,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:46:11,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:46:11,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:46:11,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:46:11,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:46:11,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:46:11,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:46:11,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:46:11,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 01:46:11,813 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:46:11,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:46:11,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:46:11,816 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:46:11,816 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:46:11,817 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:46:11,817 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 01:46:11,817 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:46:11,817 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:46:11,818 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 01:46:11,819 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 01:46:11,820 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:46:11,820 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 01:46:11,820 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 01:46:11,821 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 01:46:11,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:46:11,822 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:46:11,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:46:11,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:46:11,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:46:11,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:46:11,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:46:11,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:46:11,824 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:46:11,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:46:11,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:46:11,825 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:46:11,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:46:11,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:46:11,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:46:11,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:46:11,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:46:11,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:46:11,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:46:11,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:46:11,828 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 01:46:11,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:46:11,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:46:11,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:46:11,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:46:11,829 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_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f984bd5abbd4adc0ae4b2416fd7142c889297d5b [2020-11-30 01:46:12,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:46:12,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:46:12,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:46:12,323 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:46:12,324 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:46:12,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/bin/utaipan/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-11-30 01:46:12,411 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/bin/utaipan/data/f40a8eb1f/5cb5b7f3d00047818611cf4fe653b298/FLAGb07f8749c [2020-11-30 01:46:13,409 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:46:13,410 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-11-30 01:46:13,459 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/bin/utaipan/data/f40a8eb1f/5cb5b7f3d00047818611cf4fe653b298/FLAGb07f8749c [2020-11-30 01:46:13,832 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/bin/utaipan/data/f40a8eb1f/5cb5b7f3d00047818611cf4fe653b298 [2020-11-30 01:46:13,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:46:13,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:46:13,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:46:13,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:46:13,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:46:13,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:46:13" (1/1) ... [2020-11-30 01:46:13,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a2fb7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:13, skipping insertion in model container [2020-11-30 01:46:13,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:46:13" (1/1) ... [2020-11-30 01:46:13,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:46:13,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:46:14,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:46:14,991 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:46:15,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:46:15,295 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:46:15,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:15 WrapperNode [2020-11-30 01:46:15,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:46:15,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:46:15,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:46:15,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:46:15,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:15" (1/1) ... [2020-11-30 01:46:15,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:15" (1/1) ... [2020-11-30 01:46:15,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:46:15,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:46:15,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:46:15,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:46:15,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:15" (1/1) ... [2020-11-30 01:46:15,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:15" (1/1) ... [2020-11-30 01:46:15,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:15" (1/1) ... [2020-11-30 01:46:15,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:15" (1/1) ... [2020-11-30 01:46:15,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:15" (1/1) ... [2020-11-30 01:46:15,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:15" (1/1) ... [2020-11-30 01:46:15,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:15" (1/1) ... [2020-11-30 01:46:15,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:46:15,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:46:15,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:46:15,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:46:15,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/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 [2020-11-30 01:46:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:46:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:46:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:46:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:46:18,283 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:46:18,283 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-11-30 01:46:18,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:46:18 BoogieIcfgContainer [2020-11-30 01:46:18,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:46:18,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:46:18,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:46:18,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:46:18,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:46:13" (1/3) ... [2020-11-30 01:46:18,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705c0a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:46:18, skipping insertion in model container [2020-11-30 01:46:18,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:15" (2/3) ... [2020-11-30 01:46:18,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705c0a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:46:18, skipping insertion in model container [2020-11-30 01:46:18,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:46:18" (3/3) ... [2020-11-30 01:46:18,300 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_accelerometer_1.c [2020-11-30 01:46:18,318 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:46:18,323 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:46:18,337 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:46:18,383 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:46:18,383 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:46:18,383 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:46:18,383 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:46:18,383 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:46:18,384 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:46:18,384 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:46:18,384 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:46:18,415 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states. [2020-11-30 01:46:18,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 01:46:18,426 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:46:18,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:46:18,428 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:46:18,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:46:18,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1847918193, now seen corresponding path program 1 times [2020-11-30 01:46:18,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:46:18,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341495484] [2020-11-30 01:46:18,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:46:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:46:18,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:46:18,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341495484] [2020-11-30 01:46:18,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:46:18,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:46:18,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213614942] [2020-11-30 01:46:18,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:46:18,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:46:18,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:46:18,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:46:18,748 INFO L87 Difference]: Start difference. First operand 235 states. Second operand 2 states. [2020-11-30 01:46:18,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:46:18,828 INFO L93 Difference]: Finished difference Result 460 states and 907 transitions. [2020-11-30 01:46:18,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:46:18,830 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-11-30 01:46:18,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:46:18,863 INFO L225 Difference]: With dead ends: 460 [2020-11-30 01:46:18,863 INFO L226 Difference]: Without dead ends: 223 [2020-11-30 01:46:18,871 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 [2020-11-30 01:46:18,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-11-30 01:46:18,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-11-30 01:46:18,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-11-30 01:46:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 392 transitions. [2020-11-30 01:46:18,962 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 392 transitions. Word has length 8 [2020-11-30 01:46:18,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:46:18,963 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 392 transitions. [2020-11-30 01:46:18,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:46:18,963 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 392 transitions. [2020-11-30 01:46:18,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 01:46:18,965 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:46:18,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:46:18,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:46:18,965 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:46:18,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:46:18,967 INFO L82 PathProgramCache]: Analyzing trace with hash -918422649, now seen corresponding path program 1 times [2020-11-30 01:46:18,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:46:18,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845525987] [2020-11-30 01:46:18,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:46:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:46:19,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:46:19,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845525987] [2020-11-30 01:46:19,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:46:19,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:46:19,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253584932] [2020-11-30 01:46:19,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:46:19,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:46:19,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:46:19,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:46:19,083 INFO L87 Difference]: Start difference. First operand 223 states and 392 transitions. Second operand 3 states. [2020-11-30 01:46:19,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:46:19,329 INFO L93 Difference]: Finished difference Result 448 states and 787 transitions. [2020-11-30 01:46:19,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:46:19,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-30 01:46:19,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:46:19,332 INFO L225 Difference]: With dead ends: 448 [2020-11-30 01:46:19,333 INFO L226 Difference]: Without dead ends: 226 [2020-11-30 01:46:19,335 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 [2020-11-30 01:46:19,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-11-30 01:46:19,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-11-30 01:46:19,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-11-30 01:46:19,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 395 transitions. [2020-11-30 01:46:19,366 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 395 transitions. Word has length 9 [2020-11-30 01:46:19,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:46:19,366 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 395 transitions. [2020-11-30 01:46:19,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:46:19,367 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 395 transitions. [2020-11-30 01:46:19,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 01:46:19,368 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:46:19,368 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:46:19,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:46:19,369 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:46:19,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:46:19,370 INFO L82 PathProgramCache]: Analyzing trace with hash -936197006, now seen corresponding path program 1 times [2020-11-30 01:46:19,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:46:19,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136710452] [2020-11-30 01:46:19,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:46:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:46:19,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:46:19,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136710452] [2020-11-30 01:46:19,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:46:19,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:46:19,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981035240] [2020-11-30 01:46:19,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:46:19,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:46:19,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:46:19,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:46:19,515 INFO L87 Difference]: Start difference. First operand 226 states and 395 transitions. Second operand 3 states. [2020-11-30 01:46:19,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:46:19,709 INFO L93 Difference]: Finished difference Result 456 states and 796 transitions. [2020-11-30 01:46:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:46:19,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-11-30 01:46:19,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:46:19,716 INFO L225 Difference]: With dead ends: 456 [2020-11-30 01:46:19,716 INFO L226 Difference]: Without dead ends: 232 [2020-11-30 01:46:19,746 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 [2020-11-30 01:46:19,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-11-30 01:46:19,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2020-11-30 01:46:19,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-11-30 01:46:19,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 399 transitions. [2020-11-30 01:46:19,771 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 399 transitions. Word has length 14 [2020-11-30 01:46:19,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:46:19,771 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 399 transitions. [2020-11-30 01:46:19,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:46:19,772 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 399 transitions. [2020-11-30 01:46:19,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:46:19,773 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:46:19,773 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:46:19,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:46:19,773 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:46:19,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:46:19,776 INFO L82 PathProgramCache]: Analyzing trace with hash 288475844, now seen corresponding path program 1 times [2020-11-30 01:46:19,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:46:19,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75027934] [2020-11-30 01:46:19,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:46:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:46:19,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:46:19,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75027934] [2020-11-30 01:46:19,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:46:19,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:46:19,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187567471] [2020-11-30 01:46:19,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:46:19,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:46:19,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:46:19,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:46:19,873 INFO L87 Difference]: Start difference. First operand 230 states and 399 transitions. Second operand 3 states. [2020-11-30 01:46:20,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:46:20,080 INFO L93 Difference]: Finished difference Result 271 states and 455 transitions. [2020-11-30 01:46:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:46:20,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-30 01:46:20,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:46:20,084 INFO L225 Difference]: With dead ends: 271 [2020-11-30 01:46:20,084 INFO L226 Difference]: Without dead ends: 265 [2020-11-30 01:46:20,085 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 [2020-11-30 01:46:20,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-11-30 01:46:20,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 256. [2020-11-30 01:46:20,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-11-30 01:46:20,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 439 transitions. [2020-11-30 01:46:20,102 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 439 transitions. Word has length 17 [2020-11-30 01:46:20,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:46:20,103 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 439 transitions. [2020-11-30 01:46:20,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:46:20,103 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 439 transitions. [2020-11-30 01:46:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:46:20,106 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:46:20,106 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:46:20,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:46:20,107 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:46:20,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:46:20,108 INFO L82 PathProgramCache]: Analyzing trace with hash 364236639, now seen corresponding path program 1 times [2020-11-30 01:46:20,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:46:20,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065516623] [2020-11-30 01:46:20,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:46:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:46:20,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:46:20,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065516623] [2020-11-30 01:46:20,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:46:20,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:46:20,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65803299] [2020-11-30 01:46:20,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:46:20,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:46:20,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:46:20,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:46:20,215 INFO L87 Difference]: Start difference. First operand 256 states and 439 transitions. Second operand 3 states. [2020-11-30 01:46:20,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:46:20,442 INFO L93 Difference]: Finished difference Result 258 states and 440 transitions. [2020-11-30 01:46:20,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:46:20,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-11-30 01:46:20,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:46:20,446 INFO L225 Difference]: With dead ends: 258 [2020-11-30 01:46:20,446 INFO L226 Difference]: Without dead ends: 256 [2020-11-30 01:46:20,446 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 [2020-11-30 01:46:20,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-11-30 01:46:20,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2020-11-30 01:46:20,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-11-30 01:46:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 431 transitions. [2020-11-30 01:46:20,458 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 431 transitions. Word has length 18 [2020-11-30 01:46:20,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:46:20,458 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 431 transitions. [2020-11-30 01:46:20,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:46:20,459 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 431 transitions. [2020-11-30 01:46:20,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:46:20,460 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:46:20,461 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] [2020-11-30 01:46:20,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:46:20,461 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:46:20,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:46:20,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1288695077, now seen corresponding path program 1 times [2020-11-30 01:46:20,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:46:20,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046755509] [2020-11-30 01:46:20,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:46:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:46:20,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:46:20,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046755509] [2020-11-30 01:46:20,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:46:20,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:46:20,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758539708] [2020-11-30 01:46:20,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:46:20,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:46:20,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:46:20,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:46:20,557 INFO L87 Difference]: Start difference. First operand 256 states and 431 transitions. Second operand 3 states. [2020-11-30 01:46:21,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:46:21,303 INFO L93 Difference]: Finished difference Result 703 states and 1181 transitions. [2020-11-30 01:46:21,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:46:21,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-11-30 01:46:21,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:46:21,308 INFO L225 Difference]: With dead ends: 703 [2020-11-30 01:46:21,308 INFO L226 Difference]: Without dead ends: 443 [2020-11-30 01:46:21,309 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 [2020-11-30 01:46:21,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2020-11-30 01:46:21,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 417. [2020-11-30 01:46:21,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-11-30 01:46:21,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 642 transitions. [2020-11-30 01:46:21,325 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 642 transitions. Word has length 21 [2020-11-30 01:46:21,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:46:21,326 INFO L481 AbstractCegarLoop]: Abstraction has 417 states and 642 transitions. [2020-11-30 01:46:21,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:46:21,331 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 642 transitions. [2020-11-30 01:46:21,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 01:46:21,337 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:46:21,337 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] [2020-11-30 01:46:21,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:46:21,338 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:46:21,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:46:21,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1552052931, now seen corresponding path program 1 times [2020-11-30 01:46:21,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:46:21,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259334007] [2020-11-30 01:46:21,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:46:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:46:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:46:21,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259334007] [2020-11-30 01:46:21,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:46:21,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:46:21,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396097721] [2020-11-30 01:46:21,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:46:21,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:46:21,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:46:21,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:46:21,438 INFO L87 Difference]: Start difference. First operand 417 states and 642 transitions. Second operand 3 states. [2020-11-30 01:46:21,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:46:21,539 INFO L93 Difference]: Finished difference Result 753 states and 1167 transitions. [2020-11-30 01:46:21,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:46:21,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-11-30 01:46:21,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:46:21,543 INFO L225 Difference]: With dead ends: 753 [2020-11-30 01:46:21,543 INFO L226 Difference]: Without dead ends: 338 [2020-11-30 01:46:21,545 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 [2020-11-30 01:46:21,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-11-30 01:46:21,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2020-11-30 01:46:21,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-11-30 01:46:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 521 transitions. [2020-11-30 01:46:21,565 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 521 transitions. Word has length 28 [2020-11-30 01:46:21,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:46:21,566 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 521 transitions. [2020-11-30 01:46:21,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:46:21,566 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 521 transitions. [2020-11-30 01:46:21,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 01:46:21,570 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:46:21,570 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] [2020-11-30 01:46:21,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:46:21,571 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:46:21,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:46:21,571 INFO L82 PathProgramCache]: Analyzing trace with hash 491369633, now seen corresponding path program 1 times [2020-11-30 01:46:21,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:46:21,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719238333] [2020-11-30 01:46:21,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:46:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:46:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:46:21,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719238333] [2020-11-30 01:46:21,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:46:21,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:46:21,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942317704] [2020-11-30 01:46:21,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:46:21,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:46:21,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:46:21,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:46:21,642 INFO L87 Difference]: Start difference. First operand 338 states and 521 transitions. Second operand 3 states. [2020-11-30 01:46:21,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:46:21,735 INFO L93 Difference]: Finished difference Result 663 states and 1028 transitions. [2020-11-30 01:46:21,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:46:21,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-11-30 01:46:21,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:46:21,739 INFO L225 Difference]: With dead ends: 663 [2020-11-30 01:46:21,739 INFO L226 Difference]: Without dead ends: 332 [2020-11-30 01:46:21,740 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 [2020-11-30 01:46:21,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-11-30 01:46:21,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2020-11-30 01:46:21,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-11-30 01:46:21,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 501 transitions. [2020-11-30 01:46:21,754 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 501 transitions. Word has length 32 [2020-11-30 01:46:21,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:46:21,757 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 501 transitions. [2020-11-30 01:46:21,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:46:21,757 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 501 transitions. [2020-11-30 01:46:21,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:46:21,762 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:46:21,762 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] [2020-11-30 01:46:21,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:46:21,763 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:46:21,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:46:21,763 INFO L82 PathProgramCache]: Analyzing trace with hash -38865855, now seen corresponding path program 1 times [2020-11-30 01:46:21,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:46:21,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287713184] [2020-11-30 01:46:21,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:46:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:46:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:46:21,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287713184] [2020-11-30 01:46:21,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:46:21,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:46:21,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444342537] [2020-11-30 01:46:21,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:46:21,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:46:21,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:46:21,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:46:21,835 INFO L87 Difference]: Start difference. First operand 332 states and 501 transitions. Second operand 3 states. [2020-11-30 01:46:22,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:46:22,584 INFO L93 Difference]: Finished difference Result 375 states and 542 transitions. [2020-11-30 01:46:22,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:46:22,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-11-30 01:46:22,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:46:22,589 INFO L225 Difference]: With dead ends: 375 [2020-11-30 01:46:22,589 INFO L226 Difference]: Without dead ends: 338 [2020-11-30 01:46:22,590 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 [2020-11-30 01:46:22,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-11-30 01:46:22,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 332. [2020-11-30 01:46:22,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-11-30 01:46:22,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 465 transitions. [2020-11-30 01:46:22,604 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 465 transitions. Word has length 36 [2020-11-30 01:46:22,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:46:22,605 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 465 transitions. [2020-11-30 01:46:22,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:46:22,605 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 465 transitions. [2020-11-30 01:46:22,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 01:46:22,606 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:46:22,607 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] [2020-11-30 01:46:22,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 01:46:22,607 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:46:22,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:46:22,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1269149006, now seen corresponding path program 1 times [2020-11-30 01:46:22,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:46:22,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652811264] [2020-11-30 01:46:22,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:46:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:46:22,670 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:46:22,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652811264] [2020-11-30 01:46:22,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:46:22,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:46:22,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980507980] [2020-11-30 01:46:22,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:46:22,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:46:22,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:46:22,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:46:22,673 INFO L87 Difference]: Start difference. First operand 332 states and 465 transitions. Second operand 3 states. [2020-11-30 01:46:22,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:46:22,756 INFO L93 Difference]: Finished difference Result 634 states and 887 transitions. [2020-11-30 01:46:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:46:22,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-11-30 01:46:22,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:46:22,760 INFO L225 Difference]: With dead ends: 634 [2020-11-30 01:46:22,760 INFO L226 Difference]: Without dead ends: 309 [2020-11-30 01:46:22,761 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 [2020-11-30 01:46:22,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-11-30 01:46:22,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2020-11-30 01:46:22,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-11-30 01:46:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 428 transitions. [2020-11-30 01:46:22,775 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 428 transitions. Word has length 37 [2020-11-30 01:46:22,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:46:22,777 INFO L481 AbstractCegarLoop]: Abstraction has 309 states and 428 transitions. [2020-11-30 01:46:22,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:46:22,778 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 428 transitions. [2020-11-30 01:46:22,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 01:46:22,780 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:46:22,780 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] [2020-11-30 01:46:22,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 01:46:22,781 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:46:22,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:46:22,781 INFO L82 PathProgramCache]: Analyzing trace with hash -680414991, now seen corresponding path program 1 times [2020-11-30 01:46:22,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:46:22,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223520305] [2020-11-30 01:46:22,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:46:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:46:22,869 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:46:22,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223520305] [2020-11-30 01:46:22,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:46:22,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:46:22,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176849305] [2020-11-30 01:46:22,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:46:22,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:46:22,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:46:22,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:46:22,872 INFO L87 Difference]: Start difference. First operand 309 states and 428 transitions. Second operand 3 states. [2020-11-30 01:46:22,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:46:22,969 INFO L93 Difference]: Finished difference Result 473 states and 664 transitions. [2020-11-30 01:46:22,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:46:22,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-11-30 01:46:22,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:46:22,970 INFO L225 Difference]: With dead ends: 473 [2020-11-30 01:46:22,971 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:46:22,972 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 [2020-11-30 01:46:22,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:46:22,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:46:22,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:46:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:46:22,974 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2020-11-30 01:46:22,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:46:22,975 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:46:22,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:46:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:46:22,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:46:22,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:46:22,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:46:23,186 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-11-30 01:46:23,190 INFO L274 CegarLoopResult]: For program point L1093(lines 1093 1095) no Hoare annotation was computed. [2020-11-30 01:46:23,190 INFO L274 CegarLoopResult]: For program point L961(lines 961 963) no Hoare annotation was computed. [2020-11-30 01:46:23,190 INFO L274 CegarLoopResult]: For program point L829(lines 829 840) no Hoare annotation was computed. [2020-11-30 01:46:23,190 INFO L274 CegarLoopResult]: For program point L763(lines 763 778) no Hoare annotation was computed. [2020-11-30 01:46:23,190 INFO L274 CegarLoopResult]: For program point L433(lines 433 435) no Hoare annotation was computed. [2020-11-30 01:46:23,190 INFO L274 CegarLoopResult]: For program point L301(lines 301 303) no Hoare annotation was computed. [2020-11-30 01:46:23,191 INFO L274 CegarLoopResult]: For program point L169(lines 169 180) no Hoare annotation was computed. [2020-11-30 01:46:23,191 INFO L274 CegarLoopResult]: For program point L897(lines 897 899) no Hoare annotation was computed. [2020-11-30 01:46:23,191 INFO L274 CegarLoopResult]: For program point L765(lines 765 776) no Hoare annotation was computed. [2020-11-30 01:46:23,191 INFO L274 CegarLoopResult]: For program point L699(lines 699 714) no Hoare annotation was computed. [2020-11-30 01:46:23,191 INFO L274 CegarLoopResult]: For program point L369(lines 369 371) no Hoare annotation was computed. [2020-11-30 01:46:23,191 INFO L274 CegarLoopResult]: For program point L237(lines 237 239) no Hoare annotation was computed. [2020-11-30 01:46:23,191 INFO L274 CegarLoopResult]: For program point L105(lines 105 107) no Hoare annotation was computed. [2020-11-30 01:46:23,191 INFO L274 CegarLoopResult]: For program point L833(lines 833 835) no Hoare annotation was computed. [2020-11-30 01:46:23,191 INFO L274 CegarLoopResult]: For program point L701(lines 701 712) no Hoare annotation was computed. [2020-11-30 01:46:23,192 INFO L274 CegarLoopResult]: For program point L635(lines 635 650) no Hoare annotation was computed. [2020-11-30 01:46:23,192 INFO L274 CegarLoopResult]: For program point L173(lines 173 175) no Hoare annotation was computed. [2020-11-30 01:46:23,192 INFO L274 CegarLoopResult]: For program point L1231(lines 1231 1246) no Hoare annotation was computed. [2020-11-30 01:46:23,192 INFO L274 CegarLoopResult]: For program point L769(lines 769 771) no Hoare annotation was computed. [2020-11-30 01:46:23,192 INFO L274 CegarLoopResult]: For program point L637(lines 637 648) no Hoare annotation was computed. [2020-11-30 01:46:23,192 INFO L274 CegarLoopResult]: For program point L571(lines 571 586) no Hoare annotation was computed. [2020-11-30 01:46:23,192 INFO L274 CegarLoopResult]: For program point L1233(lines 1233 1244) no Hoare annotation was computed. [2020-11-30 01:46:23,193 INFO L274 CegarLoopResult]: For program point L1167(lines 1167 1182) no Hoare annotation was computed. [2020-11-30 01:46:23,193 INFO L274 CegarLoopResult]: For program point L1035(lines 1035 1050) no Hoare annotation was computed. [2020-11-30 01:46:23,193 INFO L274 CegarLoopResult]: For program point L705(lines 705 707) no Hoare annotation was computed. [2020-11-30 01:46:23,193 INFO L274 CegarLoopResult]: For program point L573(lines 573 584) no Hoare annotation was computed. [2020-11-30 01:46:23,193 INFO L274 CegarLoopResult]: For program point L507(lines 507 522) no Hoare annotation was computed. [2020-11-30 01:46:23,193 INFO L274 CegarLoopResult]: For program point L1169(lines 1169 1180) no Hoare annotation was computed. [2020-11-30 01:46:23,194 INFO L274 CegarLoopResult]: For program point L1103(lines 1103 1118) no Hoare annotation was computed. [2020-11-30 01:46:23,194 INFO L274 CegarLoopResult]: For program point L46(lines 46 65) no Hoare annotation was computed. [2020-11-30 01:46:23,194 INFO L274 CegarLoopResult]: For program point L1037(lines 1037 1048) no Hoare annotation was computed. [2020-11-30 01:46:23,194 INFO L274 CegarLoopResult]: For program point L971(lines 971 986) no Hoare annotation was computed. [2020-11-30 01:46:23,194 INFO L274 CegarLoopResult]: For program point L641(lines 641 643) no Hoare annotation was computed. [2020-11-30 01:46:23,194 INFO L274 CegarLoopResult]: For program point L509(lines 509 520) no Hoare annotation was computed. [2020-11-30 01:46:23,195 INFO L274 CegarLoopResult]: For program point L443(lines 443 458) no Hoare annotation was computed. [2020-11-30 01:46:23,195 INFO L274 CegarLoopResult]: For program point L311(lines 311 326) no Hoare annotation was computed. [2020-11-30 01:46:23,195 INFO L274 CegarLoopResult]: For program point L47(lines 47 62) no Hoare annotation was computed. [2020-11-30 01:46:23,195 INFO L274 CegarLoopResult]: For program point L1237(lines 1237 1239) no Hoare annotation was computed. [2020-11-30 01:46:23,195 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1116) no Hoare annotation was computed. [2020-11-30 01:46:23,195 INFO L274 CegarLoopResult]: For program point L973(lines 973 984) no Hoare annotation was computed. [2020-11-30 01:46:23,196 INFO L274 CegarLoopResult]: For program point L907(lines 907 922) no Hoare annotation was computed. [2020-11-30 01:46:23,196 INFO L274 CegarLoopResult]: For program point L577(lines 577 579) no Hoare annotation was computed. [2020-11-30 01:46:23,196 INFO L274 CegarLoopResult]: For program point L445(lines 445 456) no Hoare annotation was computed. [2020-11-30 01:46:23,196 INFO L274 CegarLoopResult]: For program point L379(lines 379 394) no Hoare annotation was computed. [2020-11-30 01:46:23,196 INFO L274 CegarLoopResult]: For program point L313(lines 313 324) no Hoare annotation was computed. [2020-11-30 01:46:23,196 INFO L274 CegarLoopResult]: For program point L247(lines 247 262) no Hoare annotation was computed. [2020-11-30 01:46:23,197 INFO L270 CegarLoopResult]: At program point L1238(lines 18 1257) the Hoare annotation is: false [2020-11-30 01:46:23,197 INFO L274 CegarLoopResult]: For program point L115(lines 115 130) no Hoare annotation was computed. [2020-11-30 01:46:23,197 INFO L274 CegarLoopResult]: For program point L49(lines 49 60) no Hoare annotation was computed. [2020-11-30 01:46:23,197 INFO L274 CegarLoopResult]: For program point L1173(lines 1173 1175) no Hoare annotation was computed. [2020-11-30 01:46:23,197 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1043) no Hoare annotation was computed. [2020-11-30 01:46:23,197 INFO L274 CegarLoopResult]: For program point L909(lines 909 920) no Hoare annotation was computed. [2020-11-30 01:46:23,198 INFO L274 CegarLoopResult]: For program point L843(lines 843 858) no Hoare annotation was computed. [2020-11-30 01:46:23,198 INFO L274 CegarLoopResult]: For program point L513(lines 513 515) no Hoare annotation was computed. [2020-11-30 01:46:23,198 INFO L274 CegarLoopResult]: For program point L381(lines 381 392) no Hoare annotation was computed. [2020-11-30 01:46:23,198 INFO L274 CegarLoopResult]: For program point L249(lines 249 260) no Hoare annotation was computed. [2020-11-30 01:46:23,198 INFO L274 CegarLoopResult]: For program point L183(lines 183 198) no Hoare annotation was computed. [2020-11-30 01:46:23,198 INFO L274 CegarLoopResult]: For program point L117(lines 117 128) no Hoare annotation was computed. [2020-11-30 01:46:23,198 INFO L274 CegarLoopResult]: For program point L1109(lines 1109 1111) no Hoare annotation was computed. [2020-11-30 01:46:23,199 INFO L274 CegarLoopResult]: For program point L977(lines 977 979) no Hoare annotation was computed. [2020-11-30 01:46:23,199 INFO L274 CegarLoopResult]: For program point L845(lines 845 856) no Hoare annotation was computed. [2020-11-30 01:46:23,199 INFO L274 CegarLoopResult]: For program point L779(lines 779 794) no Hoare annotation was computed. [2020-11-30 01:46:23,199 INFO L274 CegarLoopResult]: For program point L449(lines 449 451) no Hoare annotation was computed. [2020-11-30 01:46:23,199 INFO L274 CegarLoopResult]: For program point L317(lines 317 319) no Hoare annotation was computed. [2020-11-30 01:46:23,199 INFO L274 CegarLoopResult]: For program point L185(lines 185 196) no Hoare annotation was computed. [2020-11-30 01:46:23,200 INFO L274 CegarLoopResult]: For program point L53(lines 53 55) no Hoare annotation was computed. [2020-11-30 01:46:23,200 INFO L274 CegarLoopResult]: For program point L913(lines 913 915) no Hoare annotation was computed. [2020-11-30 01:46:23,200 INFO L274 CegarLoopResult]: For program point L781(lines 781 792) no Hoare annotation was computed. [2020-11-30 01:46:23,200 INFO L274 CegarLoopResult]: For program point L715(lines 715 730) no Hoare annotation was computed. [2020-11-30 01:46:23,200 INFO L274 CegarLoopResult]: For program point L385(lines 385 387) no Hoare annotation was computed. [2020-11-30 01:46:23,202 INFO L274 CegarLoopResult]: For program point L253(lines 253 255) no Hoare annotation was computed. [2020-11-30 01:46:23,202 INFO L274 CegarLoopResult]: For program point L121(lines 121 123) no Hoare annotation was computed. [2020-11-30 01:46:23,203 INFO L274 CegarLoopResult]: For program point L849(lines 849 851) no Hoare annotation was computed. [2020-11-30 01:46:23,203 INFO L274 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-11-30 01:46:23,203 INFO L274 CegarLoopResult]: For program point L651(lines 651 666) no Hoare annotation was computed. [2020-11-30 01:46:23,203 INFO L274 CegarLoopResult]: For program point L189(lines 189 191) no Hoare annotation was computed. [2020-11-30 01:46:23,203 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:46:23,203 INFO L274 CegarLoopResult]: For program point L785(lines 785 787) no Hoare annotation was computed. [2020-11-30 01:46:23,203 INFO L274 CegarLoopResult]: For program point L653(lines 653 664) no Hoare annotation was computed. [2020-11-30 01:46:23,204 INFO L274 CegarLoopResult]: For program point L587(lines 587 602) no Hoare annotation was computed. [2020-11-30 01:46:23,204 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))) [2020-11-30 01:46:23,204 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1198) no Hoare annotation was computed. [2020-11-30 01:46:23,204 INFO L274 CegarLoopResult]: For program point L1051(lines 1051 1066) no Hoare annotation was computed. [2020-11-30 01:46:23,205 INFO L274 CegarLoopResult]: For program point L721(lines 721 723) no Hoare annotation was computed. [2020-11-30 01:46:23,205 INFO L274 CegarLoopResult]: For program point L589(lines 589 600) no Hoare annotation was computed. [2020-11-30 01:46:23,205 INFO L274 CegarLoopResult]: For program point L523(lines 523 538) no Hoare annotation was computed. [2020-11-30 01:46:23,205 INFO L274 CegarLoopResult]: For program point L1185(lines 1185 1196) no Hoare annotation was computed. [2020-11-30 01:46:23,205 INFO L274 CegarLoopResult]: For program point L1119(lines 1119 1134) no Hoare annotation was computed. [2020-11-30 01:46:23,205 INFO L274 CegarLoopResult]: For program point L1053(lines 1053 1064) no Hoare annotation was computed. [2020-11-30 01:46:23,205 INFO L274 CegarLoopResult]: For program point L987(lines 987 1002) no Hoare annotation was computed. [2020-11-30 01:46:23,206 INFO L274 CegarLoopResult]: For program point L657(lines 657 659) no Hoare annotation was computed. [2020-11-30 01:46:23,206 INFO L274 CegarLoopResult]: For program point L525(lines 525 536) no Hoare annotation was computed. [2020-11-30 01:46:23,206 INFO L274 CegarLoopResult]: For program point L459(lines 459 474) no Hoare annotation was computed. [2020-11-30 01:46:23,206 INFO L274 CegarLoopResult]: For program point L1121(lines 1121 1132) no Hoare annotation was computed. [2020-11-30 01:46:23,206 INFO L274 CegarLoopResult]: For program point L989(lines 989 1000) no Hoare annotation was computed. [2020-11-30 01:46:23,206 INFO L274 CegarLoopResult]: For program point L923(lines 923 938) no Hoare annotation was computed. [2020-11-30 01:46:23,207 INFO L274 CegarLoopResult]: For program point L593(lines 593 595) no Hoare annotation was computed. [2020-11-30 01:46:23,207 INFO L274 CegarLoopResult]: For program point L461(lines 461 472) no Hoare annotation was computed. [2020-11-30 01:46:23,207 INFO L274 CegarLoopResult]: For program point L395(lines 395 410) no Hoare annotation was computed. [2020-11-30 01:46:23,207 INFO L274 CegarLoopResult]: For program point L263(lines 263 278) no Hoare annotation was computed. [2020-11-30 01:46:23,207 INFO L274 CegarLoopResult]: For program point L131(lines 131 146) no Hoare annotation was computed. [2020-11-30 01:46:23,207 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-30 01:46:23,208 INFO L274 CegarLoopResult]: For program point L330(lines 330 1069) no Hoare annotation was computed. [2020-11-30 01:46:23,208 INFO L274 CegarLoopResult]: For program point L1189(lines 1189 1191) no Hoare annotation was computed. [2020-11-30 01:46:23,208 INFO L274 CegarLoopResult]: For program point L66(lines 66 149) no Hoare annotation was computed. [2020-11-30 01:46:23,208 INFO L274 CegarLoopResult]: For program point L1057(lines 1057 1059) no Hoare annotation was computed. [2020-11-30 01:46:23,208 INFO L274 CegarLoopResult]: For program point L925(lines 925 936) no Hoare annotation was computed. [2020-11-30 01:46:23,208 INFO L274 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2020-11-30 01:46:23,208 INFO L274 CegarLoopResult]: For program point L529(lines 529 531) no Hoare annotation was computed. [2020-11-30 01:46:23,209 INFO L274 CegarLoopResult]: For program point L397(lines 397 408) no Hoare annotation was computed. [2020-11-30 01:46:23,209 INFO L274 CegarLoopResult]: For program point L331(lines 331 346) no Hoare annotation was computed. [2020-11-30 01:46:23,209 INFO L274 CegarLoopResult]: For program point L265(lines 265 276) no Hoare annotation was computed. [2020-11-30 01:46:23,209 INFO L274 CegarLoopResult]: For program point L199(lines 199 214) no Hoare annotation was computed. [2020-11-30 01:46:23,209 INFO L274 CegarLoopResult]: For program point L133(lines 133 144) no Hoare annotation was computed. [2020-11-30 01:46:23,209 INFO L274 CegarLoopResult]: For program point L67(lines 67 82) no Hoare annotation was computed. [2020-11-30 01:46:23,210 INFO L274 CegarLoopResult]: For program point L1125(lines 1125 1127) no Hoare annotation was computed. [2020-11-30 01:46:23,210 INFO L274 CegarLoopResult]: For program point L993(lines 993 995) no Hoare annotation was computed. [2020-11-30 01:46:23,210 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-11-30 01:46:23,210 INFO L274 CegarLoopResult]: For program point L795(lines 795 810) no Hoare annotation was computed. [2020-11-30 01:46:23,210 INFO L274 CegarLoopResult]: For program point L465(lines 465 467) no Hoare annotation was computed. [2020-11-30 01:46:23,210 INFO L274 CegarLoopResult]: For program point L333(lines 333 344) no Hoare annotation was computed. [2020-11-30 01:46:23,210 INFO L274 CegarLoopResult]: For program point L201(lines 201 212) no Hoare annotation was computed. [2020-11-30 01:46:23,211 INFO L274 CegarLoopResult]: For program point L69(lines 69 80) no Hoare annotation was computed. [2020-11-30 01:46:23,211 INFO L274 CegarLoopResult]: For program point L929(lines 929 931) no Hoare annotation was computed. [2020-11-30 01:46:23,211 INFO L274 CegarLoopResult]: For program point L797(lines 797 808) no Hoare annotation was computed. [2020-11-30 01:46:23,211 INFO L274 CegarLoopResult]: For program point L731(lines 731 746) no Hoare annotation was computed. [2020-11-30 01:46:23,211 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-30 01:46:23,211 INFO L274 CegarLoopResult]: For program point L269(lines 269 271) no Hoare annotation was computed. [2020-11-30 01:46:23,212 INFO L274 CegarLoopResult]: For program point L137(lines 137 139) no Hoare annotation was computed. [2020-11-30 01:46:23,212 INFO L274 CegarLoopResult]: For program point L865(lines 865 867) no Hoare annotation was computed. [2020-11-30 01:46:23,212 INFO L274 CegarLoopResult]: For program point L733(lines 733 744) no Hoare annotation was computed. [2020-11-30 01:46:23,212 INFO L274 CegarLoopResult]: For program point L667(lines 667 682) no Hoare annotation was computed. [2020-11-30 01:46:23,212 INFO L274 CegarLoopResult]: For program point L337(lines 337 339) no Hoare annotation was computed. [2020-11-30 01:46:23,212 INFO L274 CegarLoopResult]: For program point L205(lines 205 207) no Hoare annotation was computed. [2020-11-30 01:46:23,212 INFO L274 CegarLoopResult]: For program point L73(lines 73 75) no Hoare annotation was computed. [2020-11-30 01:46:23,213 INFO L274 CegarLoopResult]: For program point L801(lines 801 803) no Hoare annotation was computed. [2020-11-30 01:46:23,213 INFO L274 CegarLoopResult]: For program point L669(lines 669 680) no Hoare annotation was computed. [2020-11-30 01:46:23,213 INFO L274 CegarLoopResult]: For program point L603(lines 603 618) no Hoare annotation was computed. [2020-11-30 01:46:23,213 INFO L274 CegarLoopResult]: For program point L1199(lines 1199 1214) no Hoare annotation was computed. [2020-11-30 01:46:23,213 INFO L274 CegarLoopResult]: For program point L737(lines 737 739) no Hoare annotation was computed. [2020-11-30 01:46:23,213 INFO L274 CegarLoopResult]: For program point L605(lines 605 616) no Hoare annotation was computed. [2020-11-30 01:46:23,213 INFO L274 CegarLoopResult]: For program point L539(lines 539 554) no Hoare annotation was computed. [2020-11-30 01:46:23,214 INFO L274 CegarLoopResult]: For program point L1201(lines 1201 1212) no Hoare annotation was computed. [2020-11-30 01:46:23,214 INFO L274 CegarLoopResult]: For program point L1135(lines 1135 1150) no Hoare annotation was computed. [2020-11-30 01:46:23,214 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1018) no Hoare annotation was computed. [2020-11-30 01:46:23,214 INFO L274 CegarLoopResult]: For program point L673(lines 673 675) no Hoare annotation was computed. [2020-11-30 01:46:23,214 INFO L274 CegarLoopResult]: For program point L541(lines 541 552) no Hoare annotation was computed. [2020-11-30 01:46:23,214 INFO L274 CegarLoopResult]: For program point L475(lines 475 490) no Hoare annotation was computed. [2020-11-30 01:46:23,215 INFO L274 CegarLoopResult]: For program point L1070(lines 1070 1249) no Hoare annotation was computed. [2020-11-30 01:46:23,215 INFO L274 CegarLoopResult]: For program point L1137(lines 1137 1148) no Hoare annotation was computed. [2020-11-30 01:46:23,215 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1086) no Hoare annotation was computed. [2020-11-30 01:46:23,215 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1016) no Hoare annotation was computed. [2020-11-30 01:46:23,215 INFO L274 CegarLoopResult]: For program point L939(lines 939 954) no Hoare annotation was computed. [2020-11-30 01:46:23,215 INFO L274 CegarLoopResult]: For program point L609(lines 609 611) no Hoare annotation was computed. [2020-11-30 01:46:23,216 INFO L274 CegarLoopResult]: For program point L477(lines 477 488) no Hoare annotation was computed. [2020-11-30 01:46:23,216 INFO L274 CegarLoopResult]: For program point L411(lines 411 426) no Hoare annotation was computed. [2020-11-30 01:46:23,216 INFO L274 CegarLoopResult]: For program point L279(lines 279 294) no Hoare annotation was computed. [2020-11-30 01:46:23,216 INFO L274 CegarLoopResult]: For program point L1205(lines 1205 1207) no Hoare annotation was computed. [2020-11-30 01:46:23,216 INFO L274 CegarLoopResult]: For program point L1073(lines 1073 1084) no Hoare annotation was computed. [2020-11-30 01:46:23,216 INFO L274 CegarLoopResult]: For program point L941(lines 941 952) no Hoare annotation was computed. [2020-11-30 01:46:23,216 INFO L274 CegarLoopResult]: For program point L875(lines 875 890) no Hoare annotation was computed. [2020-11-30 01:46:23,217 INFO L274 CegarLoopResult]: For program point L545(lines 545 547) no Hoare annotation was computed. [2020-11-30 01:46:23,217 INFO L274 CegarLoopResult]: For program point L413(lines 413 424) no Hoare annotation was computed. [2020-11-30 01:46:23,217 INFO L274 CegarLoopResult]: For program point L347(lines 347 362) no Hoare annotation was computed. [2020-11-30 01:46:23,217 INFO L274 CegarLoopResult]: For program point L281(lines 281 292) no Hoare annotation was computed. [2020-11-30 01:46:23,217 INFO L274 CegarLoopResult]: For program point L215(lines 215 230) no Hoare annotation was computed. [2020-11-30 01:46:23,217 INFO L274 CegarLoopResult]: For program point L83(lines 83 98) no Hoare annotation was computed. [2020-11-30 01:46:23,217 INFO L274 CegarLoopResult]: For program point L150(lines 150 329) no Hoare annotation was computed. [2020-11-30 01:46:23,218 INFO L274 CegarLoopResult]: For program point L1141(lines 1141 1143) no Hoare annotation was computed. [2020-11-30 01:46:23,218 INFO L277 CegarLoopResult]: At program point L18(lines 18 1257) the Hoare annotation is: true [2020-11-30 01:46:23,218 INFO L274 CegarLoopResult]: For program point L1009(lines 1009 1011) no Hoare annotation was computed. [2020-11-30 01:46:23,218 INFO L274 CegarLoopResult]: For program point L877(lines 877 888) no Hoare annotation was computed. [2020-11-30 01:46:23,218 INFO L274 CegarLoopResult]: For program point L811(lines 811 826) no Hoare annotation was computed. [2020-11-30 01:46:23,218 INFO L274 CegarLoopResult]: For program point L481(lines 481 483) no Hoare annotation was computed. [2020-11-30 01:46:23,219 INFO L274 CegarLoopResult]: For program point L349(lines 349 360) no Hoare annotation was computed. [2020-11-30 01:46:23,219 INFO L274 CegarLoopResult]: For program point L217(lines 217 228) no Hoare annotation was computed. [2020-11-30 01:46:23,219 INFO L274 CegarLoopResult]: For program point L151(lines 151 166) no Hoare annotation was computed. [2020-11-30 01:46:23,219 INFO L274 CegarLoopResult]: For program point L85(lines 85 96) no Hoare annotation was computed. [2020-11-30 01:46:23,219 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:46:23,219 INFO L274 CegarLoopResult]: For program point L1077(lines 1077 1079) no Hoare annotation was computed. [2020-11-30 01:46:23,220 INFO L274 CegarLoopResult]: For program point L945(lines 945 947) no Hoare annotation was computed. [2020-11-30 01:46:23,220 INFO L274 CegarLoopResult]: For program point L813(lines 813 824) no Hoare annotation was computed. [2020-11-30 01:46:23,220 INFO L274 CegarLoopResult]: For program point L747(lines 747 762) no Hoare annotation was computed. [2020-11-30 01:46:23,220 INFO L274 CegarLoopResult]: For program point L417(lines 417 419) no Hoare annotation was computed. [2020-11-30 01:46:23,220 INFO L274 CegarLoopResult]: For program point L285(lines 285 287) no Hoare annotation was computed. [2020-11-30 01:46:23,220 INFO L274 CegarLoopResult]: For program point L153(lines 153 164) no Hoare annotation was computed. [2020-11-30 01:46:23,220 INFO L274 CegarLoopResult]: For program point L881(lines 881 883) no Hoare annotation was computed. [2020-11-30 01:46:23,221 INFO L274 CegarLoopResult]: For program point L749(lines 749 760) no Hoare annotation was computed. [2020-11-30 01:46:23,221 INFO L274 CegarLoopResult]: For program point L683(lines 683 698) no Hoare annotation was computed. [2020-11-30 01:46:23,221 INFO L274 CegarLoopResult]: For program point L353(lines 353 355) no Hoare annotation was computed. [2020-11-30 01:46:23,221 INFO L274 CegarLoopResult]: For program point L221(lines 221 223) no Hoare annotation was computed. [2020-11-30 01:46:23,221 INFO L274 CegarLoopResult]: For program point L89(lines 89 91) no Hoare annotation was computed. [2020-11-30 01:46:23,221 INFO L274 CegarLoopResult]: For program point L817(lines 817 819) no Hoare annotation was computed. [2020-11-30 01:46:23,221 INFO L274 CegarLoopResult]: For program point L685(lines 685 696) no Hoare annotation was computed. [2020-11-30 01:46:23,221 INFO L274 CegarLoopResult]: For program point L619(lines 619 634) no Hoare annotation was computed. [2020-11-30 01:46:23,221 INFO L274 CegarLoopResult]: For program point L157(lines 157 159) no Hoare annotation was computed. [2020-11-30 01:46:23,222 INFO L274 CegarLoopResult]: For program point L1215(lines 1215 1230) no Hoare annotation was computed. [2020-11-30 01:46:23,222 INFO L274 CegarLoopResult]: For program point L753(lines 753 755) no Hoare annotation was computed. [2020-11-30 01:46:23,222 INFO L274 CegarLoopResult]: For program point L621(lines 621 632) no Hoare annotation was computed. [2020-11-30 01:46:23,222 INFO L274 CegarLoopResult]: For program point L555(lines 555 570) no Hoare annotation was computed. [2020-11-30 01:46:23,222 INFO L274 CegarLoopResult]: For program point L1217(lines 1217 1228) no Hoare annotation was computed. [2020-11-30 01:46:23,222 INFO L274 CegarLoopResult]: For program point L1151(lines 1151 1166) no Hoare annotation was computed. [2020-11-30 01:46:23,223 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1034) no Hoare annotation was computed. [2020-11-30 01:46:23,223 INFO L274 CegarLoopResult]: For program point L689(lines 689 691) no Hoare annotation was computed. [2020-11-30 01:46:23,223 INFO L274 CegarLoopResult]: For program point L557(lines 557 568) no Hoare annotation was computed. [2020-11-30 01:46:23,223 INFO L274 CegarLoopResult]: For program point L491(lines 491 506) no Hoare annotation was computed. [2020-11-30 01:46:23,223 INFO L274 CegarLoopResult]: For program point L1153(lines 1153 1164) no Hoare annotation was computed. [2020-11-30 01:46:23,223 INFO L274 CegarLoopResult]: For program point L1087(lines 1087 1102) no Hoare annotation was computed. [2020-11-30 01:46:23,223 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1032) no Hoare annotation was computed. [2020-11-30 01:46:23,224 INFO L274 CegarLoopResult]: For program point L955(lines 955 970) no Hoare annotation was computed. [2020-11-30 01:46:23,224 INFO L274 CegarLoopResult]: For program point L625(lines 625 627) no Hoare annotation was computed. [2020-11-30 01:46:23,224 INFO L274 CegarLoopResult]: For program point L493(lines 493 504) no Hoare annotation was computed. [2020-11-30 01:46:23,224 INFO L274 CegarLoopResult]: For program point L427(lines 427 442) no Hoare annotation was computed. [2020-11-30 01:46:23,224 INFO L274 CegarLoopResult]: For program point L295(lines 295 310) no Hoare annotation was computed. [2020-11-30 01:46:23,224 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1223) no Hoare annotation was computed. [2020-11-30 01:46:23,224 INFO L274 CegarLoopResult]: For program point L1089(lines 1089 1100) no Hoare annotation was computed. [2020-11-30 01:46:23,225 INFO L274 CegarLoopResult]: For program point L957(lines 957 968) no Hoare annotation was computed. [2020-11-30 01:46:23,225 INFO L274 CegarLoopResult]: For program point L891(lines 891 906) no Hoare annotation was computed. [2020-11-30 01:46:23,225 INFO L274 CegarLoopResult]: For program point L561(lines 561 563) no Hoare annotation was computed. [2020-11-30 01:46:23,225 INFO L274 CegarLoopResult]: For program point L429(lines 429 440) no Hoare annotation was computed. [2020-11-30 01:46:23,225 INFO L274 CegarLoopResult]: For program point L363(lines 363 378) no Hoare annotation was computed. [2020-11-30 01:46:23,225 INFO L274 CegarLoopResult]: For program point L297(lines 297 308) no Hoare annotation was computed. [2020-11-30 01:46:23,225 INFO L274 CegarLoopResult]: For program point L231(lines 231 246) no Hoare annotation was computed. [2020-11-30 01:46:23,226 INFO L274 CegarLoopResult]: For program point L99(lines 99 114) no Hoare annotation was computed. [2020-11-30 01:46:23,226 INFO L274 CegarLoopResult]: For program point L1157(lines 1157 1159) no Hoare annotation was computed. [2020-11-30 01:46:23,226 INFO L274 CegarLoopResult]: For program point L1025(lines 1025 1027) no Hoare annotation was computed. [2020-11-30 01:46:23,226 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))) [2020-11-30 01:46:23,226 INFO L274 CegarLoopResult]: For program point L34-3(lines 34 1252) no Hoare annotation was computed. [2020-11-30 01:46:23,226 INFO L274 CegarLoopResult]: For program point L893(lines 893 904) no Hoare annotation was computed. [2020-11-30 01:46:23,227 INFO L274 CegarLoopResult]: For program point L827(lines 827 842) no Hoare annotation was computed. [2020-11-30 01:46:23,227 INFO L274 CegarLoopResult]: For program point L497(lines 497 499) no Hoare annotation was computed. [2020-11-30 01:46:23,227 INFO L274 CegarLoopResult]: For program point L365(lines 365 376) no Hoare annotation was computed. [2020-11-30 01:46:23,227 INFO L274 CegarLoopResult]: For program point L233(lines 233 244) no Hoare annotation was computed. [2020-11-30 01:46:23,227 INFO L274 CegarLoopResult]: For program point L167(lines 167 182) no Hoare annotation was computed. [2020-11-30 01:46:23,227 INFO L274 CegarLoopResult]: For program point L101(lines 101 112) no Hoare annotation was computed. [2020-11-30 01:46:23,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:46:23 BoogieIcfgContainer [2020-11-30 01:46:23,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:46:23,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:46:23,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:46:23,256 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:46:23,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:46:18" (3/4) ... [2020-11-30 01:46:23,261 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:46:23,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 01:46:23,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:46:23,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:46:23,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:46:23,367 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f76a6020-8da5-4fe1-9282-44fe9cab0fd9/bin/utaipan/witness.graphml [2020-11-30 01:46:23,374 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:46:23,376 INFO L168 Benchmark]: Toolchain (without parser) took 9539.07 ms. Allocated memory was 104.9 MB in the beginning and 308.3 MB in the end (delta: 203.4 MB). Free memory was 78.2 MB in the beginning and 160.2 MB in the end (delta: -82.0 MB). Peak memory consumption was 122.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:46:23,377 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 81.8 MB. Free memory was 53.1 MB in the beginning and 53.0 MB in the end (delta: 24.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:46:23,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1457.58 ms. Allocated memory is still 104.9 MB. Free memory was 77.6 MB in the beginning and 54.6 MB in the end (delta: 23.0 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:46:23,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 298.76 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 54.6 MB in the beginning and 82.3 MB in the end (delta: -27.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:46:23,383 INFO L168 Benchmark]: Boogie Preprocessor took 215.71 ms. Allocated memory is still 134.2 MB. Free memory was 82.3 MB in the beginning and 68.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:46:23,383 INFO L168 Benchmark]: RCFGBuilder took 2475.26 ms. Allocated memory was 134.2 MB in the beginning and 237.0 MB in the end (delta: 102.8 MB). Free memory was 68.3 MB in the beginning and 150.9 MB in the end (delta: -82.7 MB). Peak memory consumption was 67.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:46:23,384 INFO L168 Benchmark]: TraceAbstraction took 4964.90 ms. Allocated memory was 237.0 MB in the beginning and 308.3 MB in the end (delta: 71.3 MB). Free memory was 150.9 MB in the beginning and 164.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 58.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:46:23,385 INFO L168 Benchmark]: Witness Printer took 118.46 ms. Allocated memory is still 308.3 MB. Free memory was 164.4 MB in the beginning and 160.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:46:23,388 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 81.8 MB. Free memory was 53.1 MB in the beginning and 53.0 MB in the end (delta: 24.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1457.58 ms. Allocated memory is still 104.9 MB. Free memory was 77.6 MB in the beginning and 54.6 MB in the end (delta: 23.0 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 298.76 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 54.6 MB in the beginning and 82.3 MB in the end (delta: -27.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 215.71 ms. Allocated memory is still 134.2 MB. Free memory was 82.3 MB in the beginning and 68.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2475.26 ms. Allocated memory was 134.2 MB in the beginning and 237.0 MB in the end (delta: 102.8 MB). Free memory was 68.3 MB in the beginning and 150.9 MB in the end (delta: -82.7 MB). Peak memory consumption was 67.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4964.90 ms. Allocated memory was 237.0 MB in the beginning and 308.3 MB in the end (delta: 71.3 MB). Free memory was 150.9 MB in the beginning and 164.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 58.9 MB. Max. memory is 16.1 GB. * Witness Printer took 118.46 ms. Allocated memory is still 308.3 MB. Free memory was 164.4 MB in the beginning and 160.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 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: 4.5s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3811 SDtfs, 1581 SDslu, 1631 SDs, 0 SdLazy, 630 SolverSat, 301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s 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, 0.3s SatisfiabilityAnalysisTime, 0.5s 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...