./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.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_07824eb4-011e-48ba-81e2-a9fdf233dc9f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/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 2b1624bcee836a6ef84f0c5a49c428b8da4ed56b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:53:32,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 04:53:32,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 04:53:32,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 04:53:32,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 04:53:32,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 04:53:32,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 04:53:32,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 04:53:32,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 04:53:32,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 04:53:32,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 04:53:32,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 04:53:32,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 04:53:32,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 04:53:32,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 04:53:32,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 04:53:32,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 04:53:32,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 04:53:32,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 04:53:32,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 04:53:32,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 04:53:32,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 04:53:32,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 04:53:32,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 04:53:32,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 04:53:32,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 04:53:32,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 04:53:32,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 04:53:32,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 04:53:32,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 04:53:32,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 04:53:32,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 04:53:32,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 04:53:32,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 04:53:32,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 04:53:32,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 04:53:32,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 04:53:32,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 04:53:32,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 04:53:32,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 04:53:32,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 04:53:32,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 04:53:33,014 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 04:53:33,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 04:53:33,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 04:53:33,015 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 04:53:33,015 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 04:53:33,015 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 04:53:33,015 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 04:53:33,015 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 04:53:33,015 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 04:53:33,015 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 04:53:33,015 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 04:53:33,016 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 04:53:33,016 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 04:53:33,016 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 04:53:33,016 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 04:53:33,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 04:53:33,017 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 04:53:33,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 04:53:33,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 04:53:33,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 04:53:33,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 04:53:33,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 04:53:33,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 04:53:33,017 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 04:53:33,017 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 04:53:33,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 04:53:33,018 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 04:53:33,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 04:53:33,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 04:53:33,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 04:53:33,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 04:53:33,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 04:53:33,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 04:53:33,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 04:53:33,018 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 04:53:33,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 04:53:33,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 04:53:33,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 04:53:33,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 04:53:33,019 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_07824eb4-011e-48ba-81e2-a9fdf233dc9f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b1624bcee836a6ef84f0c5a49c428b8da4ed56b [2020-12-09 04:53:33,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 04:53:33,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 04:53:33,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 04:53:33,222 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 04:53:33,223 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 04:53:33,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/bin/utaipan/../../sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c [2020-12-09 04:53:33,268 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/bin/utaipan/data/f7a141137/624bd98f70844e5b85aa361dbf9a75b2/FLAG49f1f4be6 [2020-12-09 04:53:33,647 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 04:53:33,647 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c [2020-12-09 04:53:33,656 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/bin/utaipan/data/f7a141137/624bd98f70844e5b85aa361dbf9a75b2/FLAG49f1f4be6 [2020-12-09 04:53:33,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/bin/utaipan/data/f7a141137/624bd98f70844e5b85aa361dbf9a75b2 [2020-12-09 04:53:33,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 04:53:33,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 04:53:33,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 04:53:33,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 04:53:33,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 04:53:33,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:53:33" (1/1) ... [2020-12-09 04:53:33,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da0e9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:53:33, skipping insertion in model container [2020-12-09 04:53:33,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:53:33" (1/1) ... [2020-12-09 04:53:33,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 04:53:33,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 04:53:33,856 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_07824eb4-011e-48ba-81e2-a9fdf233dc9f/sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c[6448,6461] [2020-12-09 04:53:33,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:53:33,904 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 04:53:33,934 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_07824eb4-011e-48ba-81e2-a9fdf233dc9f/sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c[6448,6461] [2020-12-09 04:53:33,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:53:33,969 INFO L208 MainTranslator]: Completed translation [2020-12-09 04:53:33,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:53:33 WrapperNode [2020-12-09 04:53:33,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 04:53:33,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 04:53:33,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 04:53:33,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 04:53:33,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:53:33" (1/1) ... [2020-12-09 04:53:33,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:53:33" (1/1) ... [2020-12-09 04:53:34,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 04:53:34,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 04:53:34,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 04:53:34,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 04:53:34,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:53:33" (1/1) ... [2020-12-09 04:53:34,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:53:33" (1/1) ... [2020-12-09 04:53:34,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:53:33" (1/1) ... [2020-12-09 04:53:34,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:53:33" (1/1) ... [2020-12-09 04:53:34,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:53:33" (1/1) ... [2020-12-09 04:53:34,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:53:33" (1/1) ... [2020-12-09 04:53:34,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:53:33" (1/1) ... [2020-12-09 04:53:34,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 04:53:34,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 04:53:34,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 04:53:34,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 04:53:34,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:53:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/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 04:53:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 04:53:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 04:53:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 04:53:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 04:53:34,930 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 04:53:34,930 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-09 04:53:34,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:53:34 BoogieIcfgContainer [2020-12-09 04:53:34,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 04:53:34,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 04:53:34,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 04:53:34,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 04:53:34,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:53:33" (1/3) ... [2020-12-09 04:53:34,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432567ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:53:34, skipping insertion in model container [2020-12-09 04:53:34,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:53:33" (2/3) ... [2020-12-09 04:53:34,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432567ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:53:34, skipping insertion in model container [2020-12-09 04:53:34,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:53:34" (3/3) ... [2020-12-09 04:53:34,937 INFO L111 eAbstractionObserver]: Analyzing ICFG gj2007.c.i.p+nlh-reducer.c [2020-12-09 04:53:34,947 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 04:53:34,949 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 04:53:34,956 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 04:53:34,973 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 04:53:34,973 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 04:53:34,973 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 04:53:34,973 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 04:53:34,973 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 04:53:34,973 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 04:53:34,973 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 04:53:34,974 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 04:53:34,983 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-12-09 04:53:34,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-09 04:53:34,989 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:53:34,989 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:53:34,989 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:53:34,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:53:34,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1673471893, now seen corresponding path program 1 times [2020-12-09 04:53:34,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:53:34,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441632314] [2020-12-09 04:53:34,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:53:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:53:37,489 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 04:53:37,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441632314] [2020-12-09 04:53:37,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:53:37,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [69] imperfect sequences [] total 69 [2020-12-09 04:53:37,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757737517] [2020-12-09 04:53:37,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 70 states [2020-12-09 04:53:37,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:53:37,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2020-12-09 04:53:37,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=4626, Unknown=0, NotChecked=0, Total=4830 [2020-12-09 04:53:37,506 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 70 states. [2020-12-09 04:53:39,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:53:39,300 INFO L93 Difference]: Finished difference Result 80 states and 149 transitions. [2020-12-09 04:53:39,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-12-09 04:53:39,301 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 71 [2020-12-09 04:53:39,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:53:39,308 INFO L225 Difference]: With dead ends: 80 [2020-12-09 04:53:39,308 INFO L226 Difference]: Without dead ends: 73 [2020-12-09 04:53:39,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=204, Invalid=4626, Unknown=0, NotChecked=0, Total=4830 [2020-12-09 04:53:39,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-09 04:53:39,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-12-09 04:53:39,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-09 04:53:39,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2020-12-09 04:53:39,341 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 71 [2020-12-09 04:53:39,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:53:39,342 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2020-12-09 04:53:39,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 70 states. [2020-12-09 04:53:39,342 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2020-12-09 04:53:39,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-09 04:53:39,344 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:53:39,344 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:53:39,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 04:53:39,344 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:53:39,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:53:39,345 INFO L82 PathProgramCache]: Analyzing trace with hash 349220119, now seen corresponding path program 1 times [2020-12-09 04:53:39,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:53:39,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096955866] [2020-12-09 04:53:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:53:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:53:41,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:53:41,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096955866] [2020-12-09 04:53:41,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893667791] [2020-12-09 04:53:41,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:53:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:53:41,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 71 conjunts are in the unsatisfiable core [2020-12-09 04:53:41,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:53:41,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:53:41,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:53:41,822 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:41,822 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:41,884 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:41,884 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:41,963 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:41,964 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,022 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,023 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,077 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,078 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,141 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,142 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,215 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,215 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,277 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,277 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,341 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,342 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,406 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,406 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,467 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,467 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,525 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,526 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,588 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,588 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,647 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,647 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,709 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,709 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,770 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,770 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,833 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,833 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,894 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,894 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:42,959 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:42,959 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,023 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,024 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,089 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,089 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,154 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,154 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,222 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,222 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,289 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,289 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,357 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,357 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,425 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,426 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,495 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,495 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,563 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,564 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,639 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,640 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,709 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,709 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,778 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,778 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,829 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,829 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,881 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,881 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,932 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,932 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:43,986 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:43,986 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,037 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,038 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,088 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,089 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,139 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,140 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,190 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,191 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,241 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,242 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,294 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,294 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,346 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,347 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,404 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,404 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,459 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,459 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,512 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,512 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,565 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,565 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,620 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,620 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,673 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,673 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,728 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,728 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,786 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,786 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,841 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,841 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,896 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,897 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:44,956 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:44,957 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,017 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,017 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,088 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,088 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,150 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,150 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,221 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,221 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,286 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,286 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,351 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,351 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,418 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,418 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,485 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,486 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,558 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,558 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,635 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,635 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,707 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,707 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,780 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,780 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,853 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,854 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,927 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,927 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:45,994 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 04:53:45,994 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 04:53:46,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:53:46,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1166518543] [2020-12-09 04:53:46,073 INFO L159 IcfgInterpreter]: Started Sifa with 72 locations of interest [2020-12-09 04:53:46,074 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 04:53:46,077 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 04:53:46,081 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 04:53:46,081 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 04:53:46,616 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 04:54:06,063 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 04:54:06,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 04:54:06,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 70, 70] total 139 [2020-12-09 04:54:06,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799700183] [2020-12-09 04:54:06,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 140 states [2020-12-09 04:54:06,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:54:06,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2020-12-09 04:54:06,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10884, Invalid=33006, Unknown=0, NotChecked=0, Total=43890 [2020-12-09 04:54:06,078 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 140 states. [2020-12-09 04:54:08,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:54:08,932 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2020-12-09 04:54:08,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2020-12-09 04:54:08,932 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 72 [2020-12-09 04:54:08,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:54:08,934 INFO L225 Difference]: With dead ends: 108 [2020-12-09 04:54:08,934 INFO L226 Difference]: Without dead ends: 105 [2020-12-09 04:54:08,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 74 SyntacticMatches, 2 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15060 ImplicationChecksByTransitivity, 25.3s TimeCoverageRelationStatistics Valid=10884, Invalid=33006, Unknown=0, NotChecked=0, Total=43890 [2020-12-09 04:54:08,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-12-09 04:54:08,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-12-09 04:54:08,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-12-09 04:54:08,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2020-12-09 04:54:08,952 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 72 [2020-12-09 04:54:08,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:54:08,952 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2020-12-09 04:54:08,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 140 states. [2020-12-09 04:54:08,953 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2020-12-09 04:54:08,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-09 04:54:08,954 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:54:08,955 INFO L422 BasicCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:54:09,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 04:54:09,157 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:54:09,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:54:09,158 INFO L82 PathProgramCache]: Analyzing trace with hash 715499799, now seen corresponding path program 2 times [2020-12-09 04:54:09,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:54:09,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741568396] [2020-12-09 04:54:09,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:54:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:54:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:54:14,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741568396] [2020-12-09 04:54:14,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75540012] [2020-12-09 04:54:14,847 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:54:15,007 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2020-12-09 04:54:15,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 04:54:15,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 111 conjunts are in the unsatisfiable core [2020-12-09 04:54:15,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:54:21,089 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:54:21,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:54:31,867 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-09 04:54:32,437 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-09 04:54:32,948 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-12-09 04:54:33,510 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-12-09 04:54:34,104 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-12-09 04:54:34,849 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-12-09 04:54:35,633 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-12-09 04:54:36,462 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-12-09 04:54:37,328 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-12-09 04:54:38,255 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-12-09 04:54:39,287 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-12-09 04:54:40,269 WARN L197 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-12-09 04:54:41,375 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-12-09 04:54:42,394 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-12-09 04:54:43,485 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-12-09 04:54:44,582 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-12-09 04:54:45,835 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-12-09 04:54:47,119 WARN L197 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-12-09 04:54:48,539 WARN L197 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-12-09 04:54:49,863 WARN L197 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-12-09 04:54:51,234 WARN L197 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-12-09 04:54:52,676 WARN L197 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-12-09 04:54:54,176 WARN L197 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-12-09 04:54:55,911 WARN L197 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-12-09 04:54:57,749 WARN L197 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-12-09 04:54:59,460 WARN L197 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-12-09 04:55:01,166 WARN L197 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-12-09 04:55:03,002 WARN L197 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2020-12-09 04:55:05,064 WARN L197 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2020-12-09 04:55:07,044 WARN L197 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2020-12-09 04:55:09,243 WARN L197 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2020-12-09 04:55:11,429 WARN L197 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2020-12-09 04:55:13,612 WARN L197 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2020-12-09 04:55:16,120 WARN L197 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-12-09 04:55:18,739 WARN L197 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 320 [2020-12-09 04:55:21,238 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 327 [2020-12-09 04:55:24,069 WARN L197 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 334 [2020-12-09 04:55:27,125 WARN L197 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 341 [2020-12-09 04:55:30,208 WARN L197 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 348 [2020-12-09 04:55:33,415 WARN L197 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 355 [2020-12-09 04:55:33,785 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:55:33,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1033828133] [2020-12-09 04:55:33,790 INFO L159 IcfgInterpreter]: Started Sifa with 72 locations of interest [2020-12-09 04:55:33,790 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 04:55:33,790 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 04:55:33,790 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 04:55:33,790 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 04:55:34,405 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 04:55:35,434 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-12-09 04:55:36,454 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:55:37,383 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:55:38,407 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:55:39,558 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:40,475 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:41,493 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:42,506 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:43,609 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:44,765 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:45,847 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:46,747 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:47,675 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:48,717 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:55:49,850 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:51,021 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:52,147 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:53,360 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:54,624 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:55,917 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:57,049 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:58,169 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:55:59,483 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:00,818 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:02,131 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:03,389 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:04,672 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:05,992 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:07,309 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:56:08,646 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:09,996 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:11,363 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:12,637 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:14,075 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:15,350 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:16,604 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:17,963 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:19,474 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:21,019 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:22,597 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:24,121 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:25,655 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:27,156 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:28,743 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:30,366 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:31,846 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:33,235 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:34,695 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:36,352 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:38,028 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:56:39,695 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-09 04:56:41,355 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:56:43,010 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:56:44,710 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:56:46,437 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:56:47,947 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:56:49,715 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:56:51,516 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:56:53,323 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:56:55,093 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:56:56,834 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:56:58,560 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:57:00,285 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:57:01,966 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:57:03,798 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:57:05,607 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:57:07,314 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:57:09,126 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-09 04:57:10,558 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2020-12-09 04:57:12,221 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-12-09 04:57:12,223 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 04:57:12,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 04:57:12,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 103, 103] total 256 [2020-12-09 04:57:12,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483723094] [2020-12-09 04:57:12,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 257 states [2020-12-09 04:57:12,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:57:12,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 257 interpolants. [2020-12-09 04:57:12,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10548, Invalid=96054, Unknown=0, NotChecked=0, Total=106602 [2020-12-09 04:57:12,232 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 257 states. [2020-12-09 04:58:02,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:58:02,638 INFO L93 Difference]: Finished difference Result 107 states and 108 transitions. [2020-12-09 04:58:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2020-12-09 04:58:02,640 INFO L78 Accepts]: Start accepts. Automaton has 257 states. Word has length 104 [2020-12-09 04:58:02,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:58:02,641 INFO L225 Difference]: With dead ends: 107 [2020-12-09 04:58:02,641 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 04:58:02,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 326 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29391 ImplicationChecksByTransitivity, 180.1s TimeCoverageRelationStatistics Valid=10555, Invalid=96701, Unknown=0, NotChecked=0, Total=107256 [2020-12-09 04:58:02,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 04:58:02,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 04:58:02,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 04:58:02,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 04:58:02,647 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2020-12-09 04:58:02,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:58:02,647 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 04:58:02,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 257 states. [2020-12-09 04:58:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 04:58:02,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 04:58:02,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-09 04:58:02,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 04:58:06,161 WARN L197 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 238 DAG size of output: 207 [2020-12-09 04:58:06,421 INFO L258 CegarLoopResult]: At program point L927(lines 181 928) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 28 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 28) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,421 INFO L258 CegarLoopResult]: At program point L795(lines 247 796) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 39 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 39) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,421 INFO L258 CegarLoopResult]: At program point L663(lines 313 664) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 50) (<= ULTIMATE.start_main_~main__y~0 50) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 50 ULTIMATE.start_main_~main__x~0)) [2020-12-09 04:58:06,421 INFO L258 CegarLoopResult]: At program point L531(lines 379 532) the Hoare annotation is: (and (<= 61 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 61) (<= ULTIMATE.start_main_~main__y~0 61) (<= 61 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,422 INFO L258 CegarLoopResult]: At program point L1227(lines 31 1228) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 3) (<= 3 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,422 INFO L258 CegarLoopResult]: At program point L1095(lines 97 1096) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 14 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 14) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,422 INFO L258 CegarLoopResult]: At program point L963(lines 163 964) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 25 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 25) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,422 INFO L258 CegarLoopResult]: At program point L831(lines 229 832) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 36) (<= 36 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,422 INFO L258 CegarLoopResult]: At program point L699(lines 295 700) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 47) (<= ULTIMATE.start_main_~main__y~0 50) (<= 47 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,422 INFO L258 CegarLoopResult]: At program point L567(lines 361 568) the Hoare annotation is: (and (<= 58 ULTIMATE.start_main_~main__y~0) (<= 58 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 58) (<= ULTIMATE.start_main_~main__x~0 58)) [2020-12-09 04:58:06,422 INFO L258 CegarLoopResult]: At program point L1131(lines 79 1132) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 11 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 11) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,422 INFO L258 CegarLoopResult]: At program point L999(lines 145 1000) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 22 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 22) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,423 INFO L258 CegarLoopResult]: At program point L867(lines 211 868) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 33) (<= 33 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,423 INFO L258 CegarLoopResult]: At program point L735(lines 277 736) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 44) (<= ULTIMATE.start_main_~main__y~0 50) (<= 44 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,423 INFO L258 CegarLoopResult]: At program point L603(lines 343 604) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 55) (<= 55 ULTIMATE.start_main_~main__y~0) (<= 55 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 55)) [2020-12-09 04:58:06,423 INFO L258 CegarLoopResult]: At program point L471(lines 409 472) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 66) (<= 66 ULTIMATE.start_main_~main__x~0) (<= 66 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 66)) [2020-12-09 04:58:06,423 INFO L258 CegarLoopResult]: At program point L1167(lines 61 1168) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 8 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 8) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,423 INFO L258 CegarLoopResult]: At program point L1035(lines 127 1036) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 19) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 19 ULTIMATE.start_main_~main__x~0)) [2020-12-09 04:58:06,423 INFO L258 CegarLoopResult]: At program point L903(lines 193 904) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 30) (<= 30 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,423 INFO L258 CegarLoopResult]: At program point L771(lines 259 772) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 41 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 41) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,423 INFO L258 CegarLoopResult]: At program point L639(lines 325 640) the Hoare annotation is: (and (<= 52 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 52) (<= ULTIMATE.start_main_~main__x~0 52) (<= 52 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,424 INFO L258 CegarLoopResult]: At program point L507(lines 391 508) the Hoare annotation is: (and (<= 63 ULTIMATE.start_main_~main__x~0) (<= 63 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 63) (<= ULTIMATE.start_main_~main__y~0 63)) [2020-12-09 04:58:06,424 INFO L262 CegarLoopResult]: For program point L442(lines 442 451) no Hoare annotation was computed. [2020-12-09 04:58:06,424 INFO L258 CegarLoopResult]: At program point L1203(lines 43 1204) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 5 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 5)) [2020-12-09 04:58:06,424 INFO L258 CegarLoopResult]: At program point L1071(lines 109 1072) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 16 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 16)) [2020-12-09 04:58:06,424 INFO L258 CegarLoopResult]: At program point L939(lines 175 940) the Hoare annotation is: (and (<= 27 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 27) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,424 INFO L258 CegarLoopResult]: At program point L807(lines 241 808) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 38) (<= 38 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,424 INFO L258 CegarLoopResult]: At program point L675(lines 307 676) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 49) (<= ULTIMATE.start_main_~main__y~0 50) (<= 49 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,424 INFO L258 CegarLoopResult]: At program point L543(lines 373 544) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 60) (<= 60 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 60) (<= 60 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,424 INFO L262 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-12-09 04:58:06,425 INFO L258 CegarLoopResult]: At program point L1239(lines 25 1240) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 2 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 2) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,425 INFO L258 CegarLoopResult]: At program point L1107(lines 91 1108) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 13 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 13) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,425 INFO L262 CegarLoopResult]: For program point L17(lines 17 1257) no Hoare annotation was computed. [2020-12-09 04:58:06,425 INFO L258 CegarLoopResult]: At program point L975(lines 157 976) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 24 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 24)) [2020-12-09 04:58:06,425 INFO L258 CegarLoopResult]: At program point L843(lines 223 844) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 35 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 35) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,425 INFO L258 CegarLoopResult]: At program point L711(lines 289 712) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 46 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 46) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,425 INFO L258 CegarLoopResult]: At program point L579(lines 355 580) the Hoare annotation is: (and (<= 57 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 57) (<= 57 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 57)) [2020-12-09 04:58:06,425 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 04:58:06,425 INFO L258 CegarLoopResult]: At program point L1143(lines 73 1144) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 10) (<= 10 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,426 INFO L258 CegarLoopResult]: At program point L1011(lines 139 1012) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 21) (<= 21 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,426 INFO L258 CegarLoopResult]: At program point L879(lines 205 880) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 32 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 32) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,426 INFO L258 CegarLoopResult]: At program point L747(lines 271 748) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 43 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 43) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,426 INFO L258 CegarLoopResult]: At program point L615(lines 337 616) the Hoare annotation is: (and (<= 54 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 54) (<= 54 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 54)) [2020-12-09 04:58:06,426 INFO L258 CegarLoopResult]: At program point L483(lines 403 484) the Hoare annotation is: (and (<= 65 ULTIMATE.start_main_~main__y~0) (<= 65 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 65) (<= ULTIMATE.start_main_~main__y~0 65)) [2020-12-09 04:58:06,426 INFO L258 CegarLoopResult]: At program point L1179(lines 55 1180) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 7 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 7) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,426 INFO L258 CegarLoopResult]: At program point L1047(lines 121 1048) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 18) (<= ULTIMATE.start_main_~main__y~0 50) (<= 18 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,426 INFO L258 CegarLoopResult]: At program point L915(lines 187 916) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 29) (<= 29 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,426 INFO L258 CegarLoopResult]: At program point L783(lines 253 784) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 40 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 40)) [2020-12-09 04:58:06,427 INFO L258 CegarLoopResult]: At program point L651(lines 319 652) the Hoare annotation is: (and (<= 51 ULTIMATE.start_main_~main__y~0) (<= 51 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 51) (<= ULTIMATE.start_main_~main__x~0 51)) [2020-12-09 04:58:06,427 INFO L258 CegarLoopResult]: At program point L519(lines 385 520) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 62) (<= 62 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 62) (<= 62 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,427 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 04:58:06,427 INFO L258 CegarLoopResult]: At program point L1215(lines 37 1216) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 4 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 4) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,427 INFO L258 CegarLoopResult]: At program point L1083(lines 103 1084) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 15) (<= 15 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,427 INFO L258 CegarLoopResult]: At program point L951(lines 169 952) the Hoare annotation is: (and (<= 26 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 26) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,427 INFO L258 CegarLoopResult]: At program point L819(lines 235 820) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 37) (<= 37 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,427 INFO L258 CegarLoopResult]: At program point L687(lines 301 688) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 48 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 48) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,427 INFO L258 CegarLoopResult]: At program point L555(lines 367 556) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 59) (<= 59 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 59) (<= 59 ULTIMATE.start_main_~main__x~0)) [2020-12-09 04:58:06,427 INFO L258 CegarLoopResult]: At program point L1251(lines 19 1252) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 1 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 1) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,427 INFO L258 CegarLoopResult]: At program point L1119(lines 85 1120) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 12) (<= 12 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,427 INFO L258 CegarLoopResult]: At program point L987(lines 151 988) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 23) (<= 23 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,428 INFO L258 CegarLoopResult]: At program point L855(lines 217 856) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 34) (<= 34 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,428 INFO L258 CegarLoopResult]: At program point L723(lines 283 724) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 45 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 45) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,428 INFO L258 CegarLoopResult]: At program point L591(lines 349 592) the Hoare annotation is: (and (<= 56 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 56) (<= 56 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 56)) [2020-12-09 04:58:06,428 INFO L258 CegarLoopResult]: At program point L459(lines 415 460) the Hoare annotation is: (or (and (<= ULTIMATE.start_main_~main__y~0 78) (<= 78 ULTIMATE.start_main_~main__y~0) (<= 78 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 78)) (and (<= 84 ULTIMATE.start_main_~main__x~0) (<= 84 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 84) (<= ULTIMATE.start_main_~main__x~0 84)) (and (<= 90 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 90) (<= 90 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 90)) (and (<= ULTIMATE.start_main_~main__y~0 75) (<= 75 ULTIMATE.start_main_~main__x~0) (< ULTIMATE.start_main_~main__x~0 76) (<= 75 ULTIMATE.start_main_~main__y~0)) (and (<= ULTIMATE.start_main_~main__y~0 92) (< ULTIMATE.start_main_~main__x~0 93) (<= 92 ULTIMATE.start_main_~main__x~0) (<= 92 ULTIMATE.start_main_~main__y~0)) (and (<= ULTIMATE.start_main_~main__y~0 83) (< ULTIMATE.start_main_~main__x~0 84) (<= 83 ULTIMATE.start_main_~main__y~0) (<= 83 ULTIMATE.start_main_~main__x~0)) (and (<= ULTIMATE.start_main_~main__y~0 81) (<= 81 ULTIMATE.start_main_~main__x~0) (< ULTIMATE.start_main_~main__x~0 82) (<= 81 ULTIMATE.start_main_~main__y~0)) (and (<= ULTIMATE.start_main_~main__y~0 91) (<= 91 ULTIMATE.start_main_~main__x~0) (<= 91 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 91)) (and (<= 97 ULTIMATE.start_main_~main__x~0) (<= 97 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 97) (< ULTIMATE.start_main_~main__x~0 98)) (and (<= 87 ULTIMATE.start_main_~main__x~0) (<= 87 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 87) (< ULTIMATE.start_main_~main__x~0 88)) (and (<= 74 ULTIMATE.start_main_~main__y~0) (<= 74 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 74) (<= ULTIMATE.start_main_~main__x~0 74)) (and (<= ULTIMATE.start_main_~main__y~0 93) (< ULTIMATE.start_main_~main__x~0 94) (<= 93 ULTIMATE.start_main_~main__x~0) (<= 93 ULTIMATE.start_main_~main__y~0)) (and (<= 69 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 69) (<= 69 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 69)) (and (<= ULTIMATE.start_main_~main__y~0 68) (<= 68 ULTIMATE.start_main_~main__y~0) (<= 68 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 68)) (and (<= ULTIMATE.start_main_~main__x~0 100) (<= 100 ULTIMATE.start_main_~main__x~0) (<= 100 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 100)) (and (<= ULTIMATE.start_main_~main__y~0 72) (<= 72 ULTIMATE.start_main_~main__y~0) (<= 72 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 72)) (and (<= ULTIMATE.start_main_~main__y~0 79) (<= 79 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 79) (<= 79 ULTIMATE.start_main_~main__y~0)) (and (<= 77 ULTIMATE.start_main_~main__x~0) (< ULTIMATE.start_main_~main__x~0 78) (<= ULTIMATE.start_main_~main__y~0 77) (<= 77 ULTIMATE.start_main_~main__y~0)) (and (< ULTIMATE.start_main_~main__x~0 81) (<= ULTIMATE.start_main_~main__y~0 80) (<= 80 ULTIMATE.start_main_~main__x~0) (<= 80 ULTIMATE.start_main_~main__y~0)) (and (<= 98 ULTIMATE.start_main_~main__y~0) (<= 98 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 98) (<= ULTIMATE.start_main_~main__y~0 98)) (and (<= ULTIMATE.start_main_~main__y~0 71) (<= 71 ULTIMATE.start_main_~main__x~0) (< ULTIMATE.start_main_~main__x~0 72) (<= 71 ULTIMATE.start_main_~main__y~0)) (and (<= ULTIMATE.start_main_~main__y~0 99) (<= 99 ULTIMATE.start_main_~main__y~0) (< ULTIMATE.start_main_~main__x~0 100) (<= 99 ULTIMATE.start_main_~main__x~0)) (and (<= 85 ULTIMATE.start_main_~main__x~0) (<= 85 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 85) (< ULTIMATE.start_main_~main__x~0 86)) (and (<= ULTIMATE.start_main_~main__x~0 82) (<= 82 ULTIMATE.start_main_~main__y~0) (<= 82 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 82)) (and (<= ULTIMATE.start_main_~main__y~0 89) (<= 89 ULTIMATE.start_main_~main__y~0) (< ULTIMATE.start_main_~main__x~0 90) (<= 89 ULTIMATE.start_main_~main__x~0)) (and (<= 96 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 96) (<= 96 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 96)) (and (<= ULTIMATE.start_main_~main__y~0 88) (<= 88 ULTIMATE.start_main_~main__y~0) (< ULTIMATE.start_main_~main__x~0 89) (<= 88 ULTIMATE.start_main_~main__x~0)) (and (<= 95 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 95) (<= ULTIMATE.start_main_~main__x~0 95) (<= 95 ULTIMATE.start_main_~main__y~0)) (and (<= 70 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 70) (<= 70 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 70)) (and (<= ULTIMATE.start_main_~main__x~0 67) (<= ULTIMATE.start_main_~main__y~0 67) (<= 67 ULTIMATE.start_main_~main__y~0) (<= 67 ULTIMATE.start_main_~main__x~0)) (and (<= 73 ULTIMATE.start_main_~main__x~0) (<= 73 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 73) (<= ULTIMATE.start_main_~main__y~0 73)) (and (<= 94 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 94) (<= 94 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 94)) (and (<= ULTIMATE.start_main_~main__y~0 76) (<= ULTIMATE.start_main_~main__x~0 76) (<= 76 ULTIMATE.start_main_~main__y~0) (<= 76 ULTIMATE.start_main_~main__x~0)) (and (<= ULTIMATE.start_main_~main__x~0 86) (<= 86 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 86) (<= 86 ULTIMATE.start_main_~main__y~0))) [2020-12-09 04:58:06,428 INFO L258 CegarLoopResult]: At program point L1155(lines 67 1156) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 9) (<= 9 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,428 INFO L258 CegarLoopResult]: At program point L1023(lines 133 1024) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 20 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 20) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,428 INFO L258 CegarLoopResult]: At program point L891(lines 199 892) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 31) (<= 31 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,428 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 444) no Hoare annotation was computed. [2020-12-09 04:58:06,429 INFO L258 CegarLoopResult]: At program point L759(lines 265 760) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 42 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 42) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,429 INFO L258 CegarLoopResult]: At program point L627(lines 331 628) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 53) (<= 53 ULTIMATE.start_main_~main__y~0) (<= 53 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 53)) [2020-12-09 04:58:06,429 INFO L258 CegarLoopResult]: At program point L495(lines 397 496) the Hoare annotation is: (and (<= 64 ULTIMATE.start_main_~main__x~0) (<= 64 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 64) (<= ULTIMATE.start_main_~main__x~0 64)) [2020-12-09 04:58:06,429 INFO L265 CegarLoopResult]: At program point L1256(lines 13 1258) the Hoare annotation is: true [2020-12-09 04:58:06,429 INFO L258 CegarLoopResult]: At program point L1191(lines 49 1192) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= 6 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 6) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,429 INFO L258 CegarLoopResult]: At program point L1059(lines 115 1060) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 17) (<= 17 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0)) [2020-12-09 04:58:06,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:58:06 BoogieIcfgContainer [2020-12-09 04:58:06,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 04:58:06,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 04:58:06,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 04:58:06,459 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 04:58:06,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:53:34" (3/4) ... [2020-12-09 04:58:06,461 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 04:58:06,474 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-09 04:58:06,475 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 04:58:06,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 04:58:06,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 04:58:06,549 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_07824eb4-011e-48ba-81e2-a9fdf233dc9f/bin/utaipan/witness.graphml [2020-12-09 04:58:06,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 04:58:06,549 INFO L168 Benchmark]: Toolchain (without parser) took 272881.27 ms. Allocated memory was 88.1 MB in the beginning and 188.7 MB in the end (delta: 100.7 MB). Free memory was 65.8 MB in the beginning and 30.1 MB in the end (delta: 35.8 MB). Peak memory consumption was 135.4 MB. Max. memory is 16.1 GB. [2020-12-09 04:58:06,550 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 69.2 MB. Free memory was 44.4 MB in the beginning and 44.3 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:58:06,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.38 ms. Allocated memory is still 88.1 MB. Free memory was 65.8 MB in the beginning and 46.2 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-09 04:58:06,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.03 ms. Allocated memory is still 88.1 MB. Free memory was 46.2 MB in the beginning and 66.6 MB in the end (delta: -20.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 04:58:06,550 INFO L168 Benchmark]: Boogie Preprocessor took 26.95 ms. Allocated memory is still 88.1 MB. Free memory was 66.6 MB in the beginning and 64.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:58:06,551 INFO L168 Benchmark]: RCFGBuilder took 892.40 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 64.5 MB in the beginning and 70.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 49.9 MB. Max. memory is 16.1 GB. [2020-12-09 04:58:06,551 INFO L168 Benchmark]: TraceAbstraction took 271525.03 ms. Allocated memory was 107.0 MB in the beginning and 188.7 MB in the end (delta: 81.8 MB). Free memory was 70.8 MB in the beginning and 41.6 MB in the end (delta: 29.2 MB). Peak memory consumption was 125.6 MB. Max. memory is 16.1 GB. [2020-12-09 04:58:06,551 INFO L168 Benchmark]: Witness Printer took 90.22 ms. Allocated memory is still 188.7 MB. Free memory was 41.6 MB in the beginning and 30.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 04:58:06,552 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 69.2 MB. Free memory was 44.4 MB in the beginning and 44.3 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 300.38 ms. Allocated memory is still 88.1 MB. Free memory was 65.8 MB in the beginning and 46.2 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.03 ms. Allocated memory is still 88.1 MB. Free memory was 46.2 MB in the beginning and 66.6 MB in the end (delta: -20.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.95 ms. Allocated memory is still 88.1 MB. Free memory was 66.6 MB in the beginning and 64.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 892.40 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 64.5 MB in the beginning and 70.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 49.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 271525.03 ms. Allocated memory was 107.0 MB in the beginning and 188.7 MB in the end (delta: 81.8 MB). Free memory was 70.8 MB in the beginning and 41.6 MB in the end (delta: 29.2 MB). Peak memory consumption was 125.6 MB. Max. memory is 16.1 GB. * Witness Printer took 90.22 ms. Allocated memory is still 188.7 MB. Free memory was 41.6 MB in the beginning and 30.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 444]: 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: 67]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 9) && 9 <= main__x) && 50 <= main__y - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 41 <= main__x) && main__x <= 41) && 50 <= main__y - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 2 <= main__x) && main__x <= 2) && 50 <= main__y - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 34) && 34 <= main__x) && 50 <= main__y - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: ((main__x <= 66 && 66 <= main__x) && 66 <= main__y) && main__y <= 66 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((27 <= main__x && main__y <= 50) && main__x <= 27) && 50 <= main__y - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: ((main__y <= 59 && 59 <= main__y) && main__x <= 59) && 59 <= main__x - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 20 <= main__x) && main__x <= 20) && 50 <= main__y - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((52 <= main__x && main__y <= 52) && main__x <= 52) && 52 <= main__y - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 5 <= main__x) && main__x <= 5 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 37) && 37 <= main__x) && 50 <= main__y - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 30) && 30 <= main__x) && 50 <= main__y - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: ((main__y <= 62 && 62 <= main__x) && main__x <= 62) && 62 <= main__y - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 23) && 23 <= main__x) && 50 <= main__y - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: ((main__y <= 55 && 55 <= main__y) && 55 <= main__x) && main__x <= 55 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 16 <= main__x) && 50 <= main__y) && main__x <= 16 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 48 <= main__x) && main__x <= 48) && 50 <= main__y - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 1 <= main__x) && main__x <= 1) && 50 <= main__y - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 33) && 33 <= main__x) && 50 <= main__y - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: ((65 <= main__y && 65 <= main__x) && main__x <= 65) && main__y <= 65 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((26 <= main__x && main__y <= 50) && main__x <= 26) && 50 <= main__y - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((58 <= main__y && 58 <= main__x) && main__y <= 58) && main__x <= 58 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 19) && 50 <= main__y) && 19 <= main__x - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: ((51 <= main__y && 51 <= main__x) && main__y <= 51) && main__x <= 51 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 12) && 12 <= main__x) && 50 <= main__y - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((main__x <= 44 && main__y <= 50) && 44 <= main__x) && 50 <= main__y - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 29) && 29 <= main__x) && 50 <= main__y - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((61 <= main__x && main__x <= 61) && main__y <= 61) && 61 <= main__y - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 22 <= main__x) && main__x <= 22) && 50 <= main__y - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: ((54 <= main__y && main__x <= 54) && 54 <= main__x) && main__y <= 54 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 15) && 15 <= main__x) && 50 <= main__y - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((main__x <= 47 && main__y <= 50) && 47 <= main__x) && 50 <= main__y - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 8 <= main__x) && main__x <= 8) && 50 <= main__y - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 40 <= main__x) && 50 <= main__y) && main__x <= 40 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 25 <= main__x) && main__x <= 25) && 50 <= main__y - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: ((57 <= main__x && main__y <= 57) && 57 <= main__y) && main__x <= 57 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: ((main__x <= 18 && main__y <= 50) && 18 <= main__x) && 50 <= main__y - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((main__x <= 50 && main__y <= 50) && 50 <= main__y) && 50 <= main__x - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 11 <= main__x) && main__x <= 11) && 50 <= main__y - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 43 <= main__x) && main__x <= 43) && 50 <= main__y - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 4 <= main__x) && main__x <= 4) && 50 <= main__y - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 36) && 36 <= main__x) && 50 <= main__y - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 21) && 21 <= main__x) && 50 <= main__y - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: ((main__x <= 53 && 53 <= main__y) && 53 <= main__x) && main__y <= 53 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 14 <= main__x) && main__x <= 14) && 50 <= main__y - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 46 <= main__x) && main__x <= 46) && 50 <= main__y - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 7 <= main__x) && main__x <= 7) && 50 <= main__y - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 39 <= main__x) && main__x <= 39) && 50 <= main__y - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 32 <= main__x) && main__x <= 32) && 50 <= main__y - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: ((64 <= main__x && 64 <= main__y) && main__y <= 64) && main__x <= 64 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 17) && 17 <= main__x) && 50 <= main__y - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: ((main__x <= 49 && main__y <= 50) && 49 <= main__x) && 50 <= main__y - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 10) && 10 <= main__x) && 50 <= main__y - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 42 <= main__x) && main__x <= 42) && 50 <= main__y - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 3) && 3 <= main__x) && 50 <= main__y - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 35 <= main__x) && main__x <= 35) && 50 <= main__y - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((main__y <= 78 && 78 <= main__y) && 78 <= main__x) && main__x <= 78) || (((84 <= main__x && 84 <= main__y) && main__y <= 84) && main__x <= 84)) || (((90 <= main__x && main__y <= 90) && 90 <= main__y) && main__x <= 90)) || (((main__y <= 75 && 75 <= main__x) && main__x < 76) && 75 <= main__y)) || (((main__y <= 92 && main__x < 93) && 92 <= main__x) && 92 <= main__y)) || (((main__y <= 83 && main__x < 84) && 83 <= main__y) && 83 <= main__x)) || (((main__y <= 81 && 81 <= main__x) && main__x < 82) && 81 <= main__y)) || (((main__y <= 91 && 91 <= main__x) && 91 <= main__y) && main__x <= 91)) || (((97 <= main__x && 97 <= main__y) && main__y <= 97) && main__x < 98)) || (((87 <= main__x && 87 <= main__y) && main__y <= 87) && main__x < 88)) || (((74 <= main__y && 74 <= main__x) && main__y <= 74) && main__x <= 74)) || (((main__y <= 93 && main__x < 94) && 93 <= main__x) && 93 <= main__y)) || (((69 <= main__y && main__x <= 69) && 69 <= main__x) && main__y <= 69)) || (((main__y <= 68 && 68 <= main__y) && 68 <= main__x) && main__x <= 68)) || (((main__x <= 100 && 100 <= main__x) && 100 <= main__y) && main__y <= 100)) || (((main__y <= 72 && 72 <= main__y) && 72 <= main__x) && main__x <= 72)) || (((main__y <= 79 && 79 <= main__x) && main__x <= 79) && 79 <= main__y)) || (((77 <= main__x && main__x < 78) && main__y <= 77) && 77 <= main__y)) || (((main__x < 81 && main__y <= 80) && 80 <= main__x) && 80 <= main__y)) || (((98 <= main__y && 98 <= main__x) && main__x <= 98) && main__y <= 98)) || (((main__y <= 71 && 71 <= main__x) && main__x < 72) && 71 <= main__y)) || (((main__y <= 99 && 99 <= main__y) && main__x < 100) && 99 <= main__x)) || (((85 <= main__x && 85 <= main__y) && main__y <= 85) && main__x < 86)) || (((main__x <= 82 && 82 <= main__y) && 82 <= main__x) && main__y <= 82)) || (((main__y <= 89 && 89 <= main__y) && main__x < 90) && 89 <= main__x)) || (((96 <= main__y && main__y <= 96) && 96 <= main__x) && main__x <= 96)) || (((main__y <= 88 && 88 <= main__y) && main__x < 89) && 88 <= main__x)) || (((95 <= main__x && main__y <= 95) && main__x <= 95) && 95 <= main__y)) || (((70 <= main__y && main__y <= 70) && 70 <= main__x) && main__x <= 70)) || (((main__x <= 67 && main__y <= 67) && 67 <= main__y) && 67 <= main__x)) || (((73 <= main__x && 73 <= main__y) && main__x <= 73) && main__y <= 73)) || (((94 <= main__y && main__x <= 94) && 94 <= main__x) && main__y <= 94)) || (((main__y <= 76 && main__x <= 76) && 76 <= main__y) && 76 <= main__x)) || (((main__x <= 86 && 86 <= main__x) && main__y <= 86) && 86 <= main__y) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 28 <= main__x) && main__x <= 28) && 50 <= main__y - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: ((main__y <= 60 && 60 <= main__x) && main__x <= 60) && 60 <= main__y - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 13 <= main__x) && main__x <= 13) && 50 <= main__y - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 45 <= main__x) && main__x <= 45) && 50 <= main__y - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 6 <= main__x) && main__x <= 6) && 50 <= main__y - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 38) && 38 <= main__x) && 50 <= main__y - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 31) && 31 <= main__x) && 50 <= main__y - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: ((63 <= main__x && 63 <= main__y) && main__x <= 63) && main__y <= 63 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 24 <= main__x) && 50 <= main__y) && main__x <= 24 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: ((56 <= main__x && main__x <= 56) && 56 <= main__y) && main__y <= 56 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 267.8s, OverallIterations: 3, TraceHistogramMax: 33, AutomataDifference: 55.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 2 SDslu, 80 SDs, 0 SdLazy, 19603 SolverSat, 8255 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 767 GetRequests, 161 SyntacticMatches, 4 SemanticMatches, 602 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44451 ImplicationChecksByTransitivity, 207.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=2, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 103 NumberOfFragments, 1302 HoareAnnotationTreeSize, 68 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 68 FomulaSimplificationsInter, 93 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 93.2s InterpolantComputationTime, 423 NumberOfCodeBlocks, 423 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 592 ConstructedInterpolants, 0 QuantifiedInterpolants, 2014562 SizeOfPredicates, 4 NumberOfNonLiveVariables, 430 ConjunctsInSsa, 182 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1686 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...