./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_security.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/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 d4a7e0762948cbc310fcf63fb24dcbf7ee6356cb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 08:04:06,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:04:06,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:04:06,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:04:06,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:04:06,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:04:06,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:04:06,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:04:06,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:04:06,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:04:06,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:04:06,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:04:06,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:04:06,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:04:06,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:04:06,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:04:06,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:04:06,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:04:06,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:04:06,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:04:06,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:04:06,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:04:06,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:04:06,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:04:06,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:04:06,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:04:06,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:04:06,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:04:06,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:04:06,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:04:06,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:04:06,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:04:06,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:04:06,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:04:06,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:04:06,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:04:06,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:04:06,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:04:06,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:04:06,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:04:06,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:04:06,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 08:04:06,444 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:04:06,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:04:06,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:04:06,445 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:04:06,445 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:04:06,446 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:04:06,446 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 08:04:06,446 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:04:06,446 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:04:06,446 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 08:04:06,446 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 08:04:06,447 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:04:06,447 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 08:04:06,447 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 08:04:06,447 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 08:04:06,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:04:06,448 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:04:06,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 08:04:06,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:04:06,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:04:06,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:04:06,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:04:06,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:04:06,449 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:04:06,449 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:04:06,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:04:06,450 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:04:06,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:04:06,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:04:06,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:04:06,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:04:06,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:04:06,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:04:06,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:04:06,451 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 08:04:06,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 08:04:06,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:04:06,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:04:06,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:04:06,452 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_310e06db-616a-485f-9e8e-fe64c44b1912/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4a7e0762948cbc310fcf63fb24dcbf7ee6356cb [2020-12-09 08:04:06,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:04:06,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:04:06,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:04:06,661 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:04:06,662 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:04:06,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/bin/utaipan/../../sv-benchmarks/c/psyco/psyco_security.c [2020-12-09 08:04:06,708 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/bin/utaipan/data/80f24a936/1fdc42b7949f4cfe8ba22478d09d0114/FLAGbacca63c1 [2020-12-09 08:04:07,067 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:04:07,068 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/sv-benchmarks/c/psyco/psyco_security.c [2020-12-09 08:04:07,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/bin/utaipan/data/80f24a936/1fdc42b7949f4cfe8ba22478d09d0114/FLAGbacca63c1 [2020-12-09 08:04:07,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/bin/utaipan/data/80f24a936/1fdc42b7949f4cfe8ba22478d09d0114 [2020-12-09 08:04:07,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:04:07,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:04:07,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:04:07,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:04:07,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:04:07,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:04:07" (1/1) ... [2020-12-09 08:04:07,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92d75bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:07, skipping insertion in model container [2020-12-09 08:04:07,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:04:07" (1/1) ... [2020-12-09 08:04:07,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:04:07,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:04:07,247 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2020-12-09 08:04:07,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:04:07,261 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:04:07,292 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2020-12-09 08:04:07,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:04:07,306 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:04:07,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:07 WrapperNode [2020-12-09 08:04:07,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:04:07,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:04:07,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:04:07,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:04:07,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:07" (1/1) ... [2020-12-09 08:04:07,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:07" (1/1) ... [2020-12-09 08:04:07,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:04:07,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:04:07,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:04:07,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:04:07,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:07" (1/1) ... [2020-12-09 08:04:07,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:07" (1/1) ... [2020-12-09 08:04:07,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:07" (1/1) ... [2020-12-09 08:04:07,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:07" (1/1) ... [2020-12-09 08:04:07,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:07" (1/1) ... [2020-12-09 08:04:07,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:07" (1/1) ... [2020-12-09 08:04:07,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:07" (1/1) ... [2020-12-09 08:04:07,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:04:07,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:04:07,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:04:07,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:04:07,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/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 [2020-12-09 08:04:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:04:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:04:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 08:04:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:04:07,807 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:04:07,807 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2020-12-09 08:04:07,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:07 BoogieIcfgContainer [2020-12-09 08:04:07,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:04:07,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:04:07,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:04:07,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:04:07,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:04:07" (1/3) ... [2020-12-09 08:04:07,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10363521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:04:07, skipping insertion in model container [2020-12-09 08:04:07,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:07" (2/3) ... [2020-12-09 08:04:07,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10363521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:04:07, skipping insertion in model container [2020-12-09 08:04:07,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:07" (3/3) ... [2020-12-09 08:04:07,817 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_security.c [2020-12-09 08:04:07,830 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:04:07,834 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 08:04:07,842 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 08:04:07,864 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:04:07,864 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:04:07,864 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:04:07,864 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:04:07,864 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:04:07,864 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:04:07,865 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:04:07,865 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:04:07,877 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-12-09 08:04:07,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 08:04:07,881 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:04:07,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:04:07,882 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:04:07,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:04:07,886 INFO L82 PathProgramCache]: Analyzing trace with hash 269823665, now seen corresponding path program 1 times [2020-12-09 08:04:07,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:04:07,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773933576] [2020-12-09 08:04:07,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:04:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:04:08,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:04:08,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773933576] [2020-12-09 08:04:08,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:04:08,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:04:08,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431315070] [2020-12-09 08:04:08,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 08:04:08,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:04:08,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 08:04:08,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 08:04:08,027 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2020-12-09 08:04:08,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:04:08,044 INFO L93 Difference]: Finished difference Result 151 states and 289 transitions. [2020-12-09 08:04:08,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 08:04:08,045 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-09 08:04:08,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:04:08,052 INFO L225 Difference]: With dead ends: 151 [2020-12-09 08:04:08,052 INFO L226 Difference]: Without dead ends: 73 [2020-12-09 08:04:08,054 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 [2020-12-09 08:04:08,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-09 08:04:08,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-12-09 08:04:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-09 08:04:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2020-12-09 08:04:08,081 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 8 [2020-12-09 08:04:08,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:04:08,081 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2020-12-09 08:04:08,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 08:04:08,081 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-12-09 08:04:08,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 08:04:08,082 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:04:08,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:04:08,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 08:04:08,082 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:04:08,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:04:08,083 INFO L82 PathProgramCache]: Analyzing trace with hash 307090919, now seen corresponding path program 1 times [2020-12-09 08:04:08,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:04:08,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532551591] [2020-12-09 08:04:08,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:04:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:04:08,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:04:08,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532551591] [2020-12-09 08:04:08,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:04:08,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:04:08,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772000518] [2020-12-09 08:04:08,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:04:08,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:04:08,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:04:08,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:04:08,115 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2020-12-09 08:04:08,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:04:08,151 INFO L93 Difference]: Finished difference Result 148 states and 219 transitions. [2020-12-09 08:04:08,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:04:08,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-12-09 08:04:08,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:04:08,152 INFO L225 Difference]: With dead ends: 148 [2020-12-09 08:04:08,153 INFO L226 Difference]: Without dead ends: 76 [2020-12-09 08:04:08,153 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 [2020-12-09 08:04:08,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-12-09 08:04:08,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-12-09 08:04:08,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-12-09 08:04:08,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 111 transitions. [2020-12-09 08:04:08,160 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 111 transitions. Word has length 9 [2020-12-09 08:04:08,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:04:08,160 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 111 transitions. [2020-12-09 08:04:08,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:04:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2020-12-09 08:04:08,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 08:04:08,161 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:04:08,161 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:04:08,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 08:04:08,162 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:04:08,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:04:08,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1213654828, now seen corresponding path program 1 times [2020-12-09 08:04:08,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:04:08,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633478843] [2020-12-09 08:04:08,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:04:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:04:08,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:04:08,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633478843] [2020-12-09 08:04:08,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:04:08,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:04:08,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156677892] [2020-12-09 08:04:08,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:04:08,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:04:08,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:04:08,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:04:08,195 INFO L87 Difference]: Start difference. First operand 76 states and 111 transitions. Second operand 3 states. [2020-12-09 08:04:08,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:04:08,230 INFO L93 Difference]: Finished difference Result 156 states and 228 transitions. [2020-12-09 08:04:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:04:08,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-12-09 08:04:08,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:04:08,231 INFO L225 Difference]: With dead ends: 156 [2020-12-09 08:04:08,231 INFO L226 Difference]: Without dead ends: 82 [2020-12-09 08:04:08,232 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 [2020-12-09 08:04:08,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-12-09 08:04:08,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2020-12-09 08:04:08,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-12-09 08:04:08,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 115 transitions. [2020-12-09 08:04:08,237 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 115 transitions. Word has length 14 [2020-12-09 08:04:08,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:04:08,237 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 115 transitions. [2020-12-09 08:04:08,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:04:08,237 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2020-12-09 08:04:08,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 08:04:08,238 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:04:08,238 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:04:08,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 08:04:08,238 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:04:08,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:04:08,239 INFO L82 PathProgramCache]: Analyzing trace with hash -107735230, now seen corresponding path program 1 times [2020-12-09 08:04:08,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:04:08,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343965714] [2020-12-09 08:04:08,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:04:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:04:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:04:08,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343965714] [2020-12-09 08:04:08,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:04:08,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 08:04:08,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013350436] [2020-12-09 08:04:08,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 08:04:08,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:04:08,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 08:04:08,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 08:04:08,275 INFO L87 Difference]: Start difference. First operand 80 states and 115 transitions. Second operand 4 states. [2020-12-09 08:04:08,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:04:08,393 INFO L93 Difference]: Finished difference Result 253 states and 361 transitions. [2020-12-09 08:04:08,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 08:04:08,393 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-12-09 08:04:08,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:04:08,395 INFO L225 Difference]: With dead ends: 253 [2020-12-09 08:04:08,395 INFO L226 Difference]: Without dead ends: 163 [2020-12-09 08:04:08,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 08:04:08,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-12-09 08:04:08,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 128. [2020-12-09 08:04:08,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-12-09 08:04:08,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 193 transitions. [2020-12-09 08:04:08,406 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 193 transitions. Word has length 17 [2020-12-09 08:04:08,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:04:08,406 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 193 transitions. [2020-12-09 08:04:08,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 08:04:08,406 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 193 transitions. [2020-12-09 08:04:08,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-09 08:04:08,407 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:04:08,407 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:04:08,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 08:04:08,407 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:04:08,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:04:08,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1275599573, now seen corresponding path program 1 times [2020-12-09 08:04:08,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:04:08,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309527433] [2020-12-09 08:04:08,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:04:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:04:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 08:04:08,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309527433] [2020-12-09 08:04:08,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:04:08,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:04:08,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947621259] [2020-12-09 08:04:08,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:04:08,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:04:08,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:04:08,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:04:08,436 INFO L87 Difference]: Start difference. First operand 128 states and 193 transitions. Second operand 3 states. [2020-12-09 08:04:08,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:04:08,463 INFO L93 Difference]: Finished difference Result 218 states and 334 transitions. [2020-12-09 08:04:08,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:04:08,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-12-09 08:04:08,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:04:08,464 INFO L225 Difference]: With dead ends: 218 [2020-12-09 08:04:08,464 INFO L226 Difference]: Without dead ends: 92 [2020-12-09 08:04:08,465 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 [2020-12-09 08:04:08,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-12-09 08:04:08,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-12-09 08:04:08,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-12-09 08:04:08,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 137 transitions. [2020-12-09 08:04:08,471 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 137 transitions. Word has length 21 [2020-12-09 08:04:08,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:04:08,471 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 137 transitions. [2020-12-09 08:04:08,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:04:08,471 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2020-12-09 08:04:08,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-09 08:04:08,472 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:04:08,472 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] [2020-12-09 08:04:08,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 08:04:08,472 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:04:08,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:04:08,473 INFO L82 PathProgramCache]: Analyzing trace with hash -922672237, now seen corresponding path program 1 times [2020-12-09 08:04:08,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:04:08,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534880690] [2020-12-09 08:04:08,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:04:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:04:08,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 08:04:08,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534880690] [2020-12-09 08:04:08,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:04:08,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:04:08,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451806613] [2020-12-09 08:04:08,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:04:08,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:04:08,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:04:08,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:04:08,500 INFO L87 Difference]: Start difference. First operand 92 states and 137 transitions. Second operand 3 states. [2020-12-09 08:04:08,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:04:08,544 INFO L93 Difference]: Finished difference Result 178 states and 265 transitions. [2020-12-09 08:04:08,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:04:08,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-09 08:04:08,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:04:08,546 INFO L225 Difference]: With dead ends: 178 [2020-12-09 08:04:08,546 INFO L226 Difference]: Without dead ends: 104 [2020-12-09 08:04:08,547 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 [2020-12-09 08:04:08,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-12-09 08:04:08,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 94. [2020-12-09 08:04:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-12-09 08:04:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 131 transitions. [2020-12-09 08:04:08,552 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 131 transitions. Word has length 25 [2020-12-09 08:04:08,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:04:08,553 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 131 transitions. [2020-12-09 08:04:08,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:04:08,553 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 131 transitions. [2020-12-09 08:04:08,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-09 08:04:08,554 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:04:08,554 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] [2020-12-09 08:04:08,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 08:04:08,555 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:04:08,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:04:08,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1682202286, now seen corresponding path program 1 times [2020-12-09 08:04:08,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:04:08,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784481545] [2020-12-09 08:04:08,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:04:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:04:08,582 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 08:04:08,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784481545] [2020-12-09 08:04:08,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:04:08,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:04:08,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509992574] [2020-12-09 08:04:08,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:04:08,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:04:08,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:04:08,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:04:08,584 INFO L87 Difference]: Start difference. First operand 94 states and 131 transitions. Second operand 3 states. [2020-12-09 08:04:08,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:04:08,611 INFO L93 Difference]: Finished difference Result 161 states and 224 transitions. [2020-12-09 08:04:08,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:04:08,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-09 08:04:08,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:04:08,613 INFO L225 Difference]: With dead ends: 161 [2020-12-09 08:04:08,613 INFO L226 Difference]: Without dead ends: 87 [2020-12-09 08:04:08,614 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 [2020-12-09 08:04:08,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-12-09 08:04:08,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-12-09 08:04:08,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-09 08:04:08,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 114 transitions. [2020-12-09 08:04:08,621 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 114 transitions. Word has length 26 [2020-12-09 08:04:08,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:04:08,621 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 114 transitions. [2020-12-09 08:04:08,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:04:08,621 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 114 transitions. [2020-12-09 08:04:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-09 08:04:08,622 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:04:08,622 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] [2020-12-09 08:04:08,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-09 08:04:08,623 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:04:08,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:04:08,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1545848131, now seen corresponding path program 1 times [2020-12-09 08:04:08,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:04:08,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613852788] [2020-12-09 08:04:08,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:04:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:04:08,646 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 08:04:08,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613852788] [2020-12-09 08:04:08,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:04:08,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:04:08,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076923461] [2020-12-09 08:04:08,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:04:08,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:04:08,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:04:08,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:04:08,647 INFO L87 Difference]: Start difference. First operand 87 states and 114 transitions. Second operand 3 states. [2020-12-09 08:04:08,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:04:08,675 INFO L93 Difference]: Finished difference Result 132 states and 175 transitions. [2020-12-09 08:04:08,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:04:08,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-09 08:04:08,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:04:08,676 INFO L225 Difference]: With dead ends: 132 [2020-12-09 08:04:08,676 INFO L226 Difference]: Without dead ends: 65 [2020-12-09 08:04:08,677 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 [2020-12-09 08:04:08,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-12-09 08:04:08,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-12-09 08:04:08,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-09 08:04:08,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2020-12-09 08:04:08,682 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 83 transitions. Word has length 26 [2020-12-09 08:04:08,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:04:08,682 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 83 transitions. [2020-12-09 08:04:08,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:04:08,682 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2020-12-09 08:04:08,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-09 08:04:08,683 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:04:08,684 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] [2020-12-09 08:04:08,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-09 08:04:08,684 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:04:08,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:04:08,684 INFO L82 PathProgramCache]: Analyzing trace with hash -429138385, now seen corresponding path program 1 times [2020-12-09 08:04:08,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:04:08,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240869945] [2020-12-09 08:04:08,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:04:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:04:08,714 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 08:04:08,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240869945] [2020-12-09 08:04:08,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:04:08,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:04:08,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567617710] [2020-12-09 08:04:08,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:04:08,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:04:08,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:04:08,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:04:08,716 INFO L87 Difference]: Start difference. First operand 65 states and 83 transitions. Second operand 3 states. [2020-12-09 08:04:08,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:04:08,734 INFO L93 Difference]: Finished difference Result 106 states and 138 transitions. [2020-12-09 08:04:08,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:04:08,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-09 08:04:08,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:04:08,735 INFO L225 Difference]: With dead ends: 106 [2020-12-09 08:04:08,735 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 08:04:08,735 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 [2020-12-09 08:04:08,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 08:04:08,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 08:04:08,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 08:04:08,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 08:04:08,736 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-12-09 08:04:08,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:04:08,736 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 08:04:08,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:04:08,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 08:04:08,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 08:04:08,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-09 08:04:08,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 08:04:08,797 INFO L262 CegarLoopResult]: For program point L250(lines 250 265) no Hoare annotation was computed. [2020-12-09 08:04:08,797 INFO L262 CegarLoopResult]: For program point L118(lines 118 133) no Hoare annotation was computed. [2020-12-09 08:04:08,797 INFO L262 CegarLoopResult]: For program point L52(lines 52 63) no Hoare annotation was computed. [2020-12-09 08:04:08,797 INFO L262 CegarLoopResult]: For program point L366(lines 366 381) no Hoare annotation was computed. [2020-12-09 08:04:08,798 INFO L262 CegarLoopResult]: For program point L234(lines 234 249) no Hoare annotation was computed. [2020-12-09 08:04:08,798 INFO L262 CegarLoopResult]: For program point L168(lines 168 179) no Hoare annotation was computed. [2020-12-09 08:04:08,798 INFO L262 CegarLoopResult]: For program point L102(lines 102 117) no Hoare annotation was computed. [2020-12-09 08:04:08,798 INFO L262 CegarLoopResult]: For program point L36(lines 36 38) no Hoare annotation was computed. [2020-12-09 08:04:08,798 INFO L258 CegarLoopResult]: At program point L383(lines 24 387) the Hoare annotation is: (or (and (<= 4 ULTIMATE.start_main_~q~0) (= 3 ULTIMATE.start_main_~this_state~0)) (= ULTIMATE.start_main_~q~0 0) (and (= ULTIMATE.start_main_~q~0 3) (= 2 ULTIMATE.start_main_~this_state~0)) (and (= ULTIMATE.start_main_~this_state~0 0) (= ULTIMATE.start_main_~q~0 2))) [2020-12-09 08:04:08,798 INFO L262 CegarLoopResult]: For program point L350(lines 350 365) no Hoare annotation was computed. [2020-12-09 08:04:08,798 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 08:04:08,798 INFO L262 CegarLoopResult]: For program point L218(lines 218 233) no Hoare annotation was computed. [2020-12-09 08:04:08,799 INFO L262 CegarLoopResult]: For program point L185(lines 185 284) no Hoare annotation was computed. [2020-12-09 08:04:08,799 INFO L262 CegarLoopResult]: For program point L152(lines 152 163) no Hoare annotation was computed. [2020-12-09 08:04:08,799 INFO L262 CegarLoopResult]: For program point L334(lines 334 349) no Hoare annotation was computed. [2020-12-09 08:04:08,799 INFO L262 CegarLoopResult]: For program point L268(lines 268 279) no Hoare annotation was computed. [2020-12-09 08:04:08,799 INFO L262 CegarLoopResult]: For program point L202(lines 202 217) no Hoare annotation was computed. [2020-12-09 08:04:08,799 INFO L262 CegarLoopResult]: For program point L136(lines 136 147) no Hoare annotation was computed. [2020-12-09 08:04:08,799 INFO L262 CegarLoopResult]: For program point L318(lines 318 333) no Hoare annotation was computed. [2020-12-09 08:04:08,799 INFO L262 CegarLoopResult]: For program point L285(lines 285 384) no Hoare annotation was computed. [2020-12-09 08:04:08,799 INFO L262 CegarLoopResult]: For program point L252(lines 252 263) no Hoare annotation was computed. [2020-12-09 08:04:08,799 INFO L262 CegarLoopResult]: For program point L186(lines 186 201) no Hoare annotation was computed. [2020-12-09 08:04:08,799 INFO L262 CegarLoopResult]: For program point L120(lines 120 131) no Hoare annotation was computed. [2020-12-09 08:04:08,799 INFO L262 CegarLoopResult]: For program point L368(lines 368 379) no Hoare annotation was computed. [2020-12-09 08:04:08,800 INFO L262 CegarLoopResult]: For program point L302(lines 302 317) no Hoare annotation was computed. [2020-12-09 08:04:08,800 INFO L262 CegarLoopResult]: For program point L236(lines 236 247) no Hoare annotation was computed. [2020-12-09 08:04:08,800 INFO L262 CegarLoopResult]: For program point L104(lines 104 115) no Hoare annotation was computed. [2020-12-09 08:04:08,800 INFO L262 CegarLoopResult]: For program point L352(lines 352 363) no Hoare annotation was computed. [2020-12-09 08:04:08,800 INFO L262 CegarLoopResult]: For program point L286(lines 286 301) no Hoare annotation was computed. [2020-12-09 08:04:08,800 INFO L262 CegarLoopResult]: For program point L220(lines 220 231) no Hoare annotation was computed. [2020-12-09 08:04:08,800 INFO L262 CegarLoopResult]: For program point L88(lines 88 90) no Hoare annotation was computed. [2020-12-09 08:04:08,800 INFO L262 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-12-09 08:04:08,800 INFO L262 CegarLoopResult]: For program point L204(lines 204 215) no Hoare annotation was computed. [2020-12-09 08:04:08,800 INFO L262 CegarLoopResult]: For program point L72(lines 72 74) no Hoare annotation was computed. [2020-12-09 08:04:08,800 INFO L262 CegarLoopResult]: For program point L320(lines 320 331) no Hoare annotation was computed. [2020-12-09 08:04:08,800 INFO L262 CegarLoopResult]: For program point L188(lines 188 199) no Hoare annotation was computed. [2020-12-09 08:04:08,801 INFO L262 CegarLoopResult]: For program point L56(lines 56 58) no Hoare annotation was computed. [2020-12-09 08:04:08,801 INFO L262 CegarLoopResult]: For program point L304(lines 304 315) no Hoare annotation was computed. [2020-12-09 08:04:08,801 INFO L262 CegarLoopResult]: For program point L172(lines 172 174) no Hoare annotation was computed. [2020-12-09 08:04:08,801 INFO L262 CegarLoopResult]: For program point L288(lines 288 299) no Hoare annotation was computed. [2020-12-09 08:04:08,801 INFO L262 CegarLoopResult]: For program point L156(lines 156 158) no Hoare annotation was computed. [2020-12-09 08:04:08,801 INFO L258 CegarLoopResult]: At program point L24-2(lines 24 387) the Hoare annotation is: (or (and (not (= 2 ULTIMATE.start_main_~this_state~0)) (= ULTIMATE.start_main_~q~0 0)) (and (<= 4 ULTIMATE.start_main_~q~0) (= 3 ULTIMATE.start_main_~this_state~0))) [2020-12-09 08:04:08,801 INFO L262 CegarLoopResult]: For program point L24-3(lines 24 387) no Hoare annotation was computed. [2020-12-09 08:04:08,801 INFO L262 CegarLoopResult]: For program point L272(lines 272 274) no Hoare annotation was computed. [2020-12-09 08:04:08,801 INFO L262 CegarLoopResult]: For program point L140(lines 140 142) no Hoare annotation was computed. [2020-12-09 08:04:08,801 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 08:04:08,801 INFO L262 CegarLoopResult]: For program point L256(lines 256 258) no Hoare annotation was computed. [2020-12-09 08:04:08,801 INFO L262 CegarLoopResult]: For program point L124(lines 124 126) no Hoare annotation was computed. [2020-12-09 08:04:08,802 INFO L262 CegarLoopResult]: For program point L372(lines 372 374) no Hoare annotation was computed. [2020-12-09 08:04:08,802 INFO L262 CegarLoopResult]: For program point L240(lines 240 242) no Hoare annotation was computed. [2020-12-09 08:04:08,802 INFO L262 CegarLoopResult]: For program point L108(lines 108 110) no Hoare annotation was computed. [2020-12-09 08:04:08,802 INFO L262 CegarLoopResult]: For program point L356(lines 356 358) no Hoare annotation was computed. [2020-12-09 08:04:08,802 INFO L262 CegarLoopResult]: For program point L224(lines 224 226) no Hoare annotation was computed. [2020-12-09 08:04:08,802 INFO L258 CegarLoopResult]: At program point L373(lines 15 392) the Hoare annotation is: false [2020-12-09 08:04:08,802 INFO L262 CegarLoopResult]: For program point L340(lines 340 342) no Hoare annotation was computed. [2020-12-09 08:04:08,802 INFO L262 CegarLoopResult]: For program point L208(lines 208 210) no Hoare annotation was computed. [2020-12-09 08:04:08,802 INFO L262 CegarLoopResult]: For program point L324(lines 324 326) no Hoare annotation was computed. [2020-12-09 08:04:08,802 INFO L262 CegarLoopResult]: For program point L192(lines 192 194) no Hoare annotation was computed. [2020-12-09 08:04:08,802 INFO L262 CegarLoopResult]: For program point L308(lines 308 310) no Hoare annotation was computed. [2020-12-09 08:04:08,802 INFO L262 CegarLoopResult]: For program point L292(lines 292 294) no Hoare annotation was computed. [2020-12-09 08:04:08,803 INFO L262 CegarLoopResult]: For program point L29(lines 29 48) no Hoare annotation was computed. [2020-12-09 08:04:08,803 INFO L262 CegarLoopResult]: For program point L30(lines 30 45) no Hoare annotation was computed. [2020-12-09 08:04:08,803 INFO L265 CegarLoopResult]: At program point L15(lines 15 392) the Hoare annotation is: true [2020-12-09 08:04:08,803 INFO L262 CegarLoopResult]: For program point L32(lines 32 43) no Hoare annotation was computed. [2020-12-09 08:04:08,803 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2020-12-09 08:04:08,803 INFO L262 CegarLoopResult]: For program point L82(lines 82 97) no Hoare annotation was computed. [2020-12-09 08:04:08,803 INFO L262 CegarLoopResult]: For program point L49(lines 49 100) no Hoare annotation was computed. [2020-12-09 08:04:08,803 INFO L262 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-12-09 08:04:08,803 INFO L262 CegarLoopResult]: For program point L50(lines 50 65) no Hoare annotation was computed. [2020-12-09 08:04:08,803 INFO L262 CegarLoopResult]: For program point L166(lines 166 181) no Hoare annotation was computed. [2020-12-09 08:04:08,803 INFO L262 CegarLoopResult]: For program point L150(lines 150 165) no Hoare annotation was computed. [2020-12-09 08:04:08,804 INFO L262 CegarLoopResult]: For program point L84(lines 84 95) no Hoare annotation was computed. [2020-12-09 08:04:08,804 INFO L262 CegarLoopResult]: For program point L266(lines 266 281) no Hoare annotation was computed. [2020-12-09 08:04:08,804 INFO L262 CegarLoopResult]: For program point L134(lines 134 149) no Hoare annotation was computed. [2020-12-09 08:04:08,804 INFO L262 CegarLoopResult]: For program point L101(lines 101 184) no Hoare annotation was computed. [2020-12-09 08:04:08,804 INFO L262 CegarLoopResult]: For program point L68(lines 68 79) no Hoare annotation was computed. [2020-12-09 08:04:08,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:04:08 BoogieIcfgContainer [2020-12-09 08:04:08,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 08:04:08,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 08:04:08,818 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 08:04:08,818 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 08:04:08,818 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:07" (3/4) ... [2020-12-09 08:04:08,820 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 08:04:08,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 08:04:08,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 08:04:08,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:04:08,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:04:08,851 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_310e06db-616a-485f-9e8e-fe64c44b1912/bin/utaipan/witness.graphml [2020-12-09 08:04:08,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 08:04:08,852 INFO L168 Benchmark]: Toolchain (without parser) took 1764.33 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 53.2 MB in the beginning and 61.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-12-09 08:04:08,853 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 94.4 MB. Free memory is still 69.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:04:08,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.36 ms. Allocated memory is still 94.4 MB. Free memory was 53.1 MB in the beginning and 68.9 MB in the end (delta: -15.8 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:04:08,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.49 ms. Allocated memory is still 94.4 MB. Free memory was 68.5 MB in the beginning and 66.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:04:08,854 INFO L168 Benchmark]: Boogie Preprocessor took 22.53 ms. Allocated memory is still 94.4 MB. Free memory was 66.8 MB in the beginning and 65.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:04:08,855 INFO L168 Benchmark]: RCFGBuilder took 446.45 ms. Allocated memory is still 94.4 MB. Free memory was 65.1 MB in the beginning and 48.6 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 08:04:08,855 INFO L168 Benchmark]: TraceAbstraction took 1006.09 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 48.1 MB in the beginning and 63.8 MB in the end (delta: -15.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-12-09 08:04:08,856 INFO L168 Benchmark]: Witness Printer took 33.19 ms. Allocated memory is still 113.2 MB. Free memory was 63.8 MB in the beginning and 61.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:04:08,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 94.4 MB. Free memory is still 69.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 219.36 ms. Allocated memory is still 94.4 MB. Free memory was 53.1 MB in the beginning and 68.9 MB in the end (delta: -15.8 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.49 ms. Allocated memory is still 94.4 MB. Free memory was 68.5 MB in the beginning and 66.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.53 ms. Allocated memory is still 94.4 MB. Free memory was 66.8 MB in the beginning and 65.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 446.45 ms. Allocated memory is still 94.4 MB. Free memory was 65.1 MB in the beginning and 48.6 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1006.09 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 48.1 MB in the beginning and 63.8 MB in the end (delta: -15.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Witness Printer took 33.19 ms. Allocated memory is still 113.2 MB. Free memory was 63.8 MB in the beginning and 61.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 391]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (!(2 == this_state) && q == 0) || (4 <= q && 3 == this_state) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((4 <= q && 3 == this_state) || q == 0) || (q == 3 && 2 == this_state)) || (this_state == 0 && q == 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.8s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 870 SDtfs, 271 SDslu, 506 SDs, 0 SdLazy, 271 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 47 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 11 NumberOfFragments, 43 HoareAnnotationTreeSize, 4 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 5895 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 43/43 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...