./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label36.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label36.c -s /tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91dbe507e65f42817ae8887135929dc9ad9a7b53 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:10:29,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:10:29,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:10:29,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:10:29,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:10:29,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:10:29,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:10:29,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:10:29,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:10:29,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:10:29,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:10:29,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:10:29,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:10:29,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:10:29,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:10:29,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:10:29,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:10:29,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:10:29,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:10:29,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:10:29,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:10:29,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:10:30,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:10:30,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:10:30,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:10:30,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:10:30,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:10:30,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:10:30,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:10:30,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:10:30,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:10:30,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:10:30,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:10:30,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:10:30,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:10:30,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:10:30,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:10:30,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:10:30,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:10:30,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:10:30,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:10:30,026 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:10:30,062 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:10:30,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:10:30,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:10:30,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:10:30,065 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:10:30,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:10:30,065 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:10:30,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:10:30,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:10:30,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:10:30,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:10:30,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:10:30,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:10:30,067 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:10:30,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:10:30,068 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:10:30,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:10:30,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:10:30,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:10:30,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:10:30,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:10:30,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:10:30,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:10:30,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:10:30,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:10:30,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:10:30,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:10:30,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:10:30,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:10:30,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91dbe507e65f42817ae8887135929dc9ad9a7b53 [2020-11-28 03:10:30,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:10:30,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:10:30,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:10:30,391 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:10:30,393 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:10:30,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label36.c [2020-11-28 03:10:30,472 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer/data/bd7833988/3213828be01642b8b93d2ff4354ee2e2/FLAG88da7bb9d [2020-11-28 03:10:31,109 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:10:31,124 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/sv-benchmarks/c/eca-rers2012/Problem10_label36.c [2020-11-28 03:10:31,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer/data/bd7833988/3213828be01642b8b93d2ff4354ee2e2/FLAG88da7bb9d [2020-11-28 03:10:31,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer/data/bd7833988/3213828be01642b8b93d2ff4354ee2e2 [2020-11-28 03:10:31,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:10:31,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:10:31,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:10:31,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:10:31,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:10:31,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1010b18d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31, skipping insertion in model container [2020-11-28 03:10:31,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:10:31,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:10:31,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:10:31,904 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:10:32,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:10:32,046 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:10:32,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:32 WrapperNode [2020-11-28 03:10:32,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:10:32,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:10:32,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:10:32,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:10:32,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:32" (1/1) ... [2020-11-28 03:10:32,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:32" (1/1) ... [2020-11-28 03:10:32,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:10:32,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:10:32,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:10:32,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:10:32,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:32" (1/1) ... [2020-11-28 03:10:32,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:32" (1/1) ... [2020-11-28 03:10:32,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:32" (1/1) ... [2020-11-28 03:10:32,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:32" (1/1) ... [2020-11-28 03:10:32,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:32" (1/1) ... [2020-11-28 03:10:32,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:32" (1/1) ... [2020-11-28 03:10:32,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:32" (1/1) ... [2020-11-28 03:10:32,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:10:32,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:10:32,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:10:32,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:10:32,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:10:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:10:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:10:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:10:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:10:33,951 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:10:33,951 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:10:33,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:33 BoogieIcfgContainer [2020-11-28 03:10:33,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:10:33,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:10:33,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:10:33,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:10:33,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:10:31" (1/3) ... [2020-11-28 03:10:33,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14582a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:10:33, skipping insertion in model container [2020-11-28 03:10:33,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:32" (2/3) ... [2020-11-28 03:10:33,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14582a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:10:33, skipping insertion in model container [2020-11-28 03:10:33,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:33" (3/3) ... [2020-11-28 03:10:33,964 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label36.c [2020-11-28 03:10:33,975 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:10:33,980 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:10:33,991 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:10:34,031 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:10:34,031 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:10:34,032 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:10:34,032 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:10:34,032 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:10:34,032 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:10:34,032 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:10:34,033 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:10:34,056 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-28 03:10:34,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 03:10:34,070 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:34,071 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] [2020-11-28 03:10:34,072 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:34,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:34,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1453294289, now seen corresponding path program 1 times [2020-11-28 03:10:34,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:34,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242222072] [2020-11-28 03:10:34,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:34,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:34,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242222072] [2020-11-28 03:10:34,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:34,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:10:34,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763703615] [2020-11-28 03:10:34,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:10:34,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:34,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:10:34,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:10:34,526 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-11-28 03:10:36,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:36,406 INFO L93 Difference]: Finished difference Result 697 states and 1249 transitions. [2020-11-28 03:10:36,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:10:36,408 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-11-28 03:10:36,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:36,434 INFO L225 Difference]: With dead ends: 697 [2020-11-28 03:10:36,434 INFO L226 Difference]: Without dead ends: 421 [2020-11-28 03:10:36,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:10:36,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-28 03:10:36,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-11-28 03:10:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-28 03:10:36,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2020-11-28 03:10:36,530 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 39 [2020-11-28 03:10:36,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:36,531 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2020-11-28 03:10:36,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:10:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2020-11-28 03:10:36,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-28 03:10:36,547 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:36,547 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:36,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:10:36,548 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:36,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:36,552 INFO L82 PathProgramCache]: Analyzing trace with hash -106180444, now seen corresponding path program 1 times [2020-11-28 03:10:36,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:36,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577851941] [2020-11-28 03:10:36,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:36,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577851941] [2020-11-28 03:10:36,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:36,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:10:36,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340876259] [2020-11-28 03:10:36,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:10:36,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:36,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:36,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:36,854 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand 3 states. [2020-11-28 03:10:37,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:37,629 INFO L93 Difference]: Finished difference Result 840 states and 1225 transitions. [2020-11-28 03:10:37,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:37,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-11-28 03:10:37,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:37,634 INFO L225 Difference]: With dead ends: 840 [2020-11-28 03:10:37,634 INFO L226 Difference]: Without dead ends: 560 [2020-11-28 03:10:37,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:37,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-28 03:10:37,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-28 03:10:37,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-28 03:10:37,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 740 transitions. [2020-11-28 03:10:37,701 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 740 transitions. Word has length 157 [2020-11-28 03:10:37,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:37,702 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 740 transitions. [2020-11-28 03:10:37,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:10:37,703 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 740 transitions. [2020-11-28 03:10:37,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-11-28 03:10:37,706 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:37,707 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:37,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:10:37,707 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:37,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:37,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1726813999, now seen corresponding path program 1 times [2020-11-28 03:10:37,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:37,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759987552] [2020-11-28 03:10:37,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:37,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759987552] [2020-11-28 03:10:37,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:37,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:10:37,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943481743] [2020-11-28 03:10:37,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:10:37,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:37,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:37,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:37,885 INFO L87 Difference]: Start difference. First operand 560 states and 740 transitions. Second operand 3 states. [2020-11-28 03:10:38,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:38,751 INFO L93 Difference]: Finished difference Result 1257 states and 1713 transitions. [2020-11-28 03:10:38,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:38,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2020-11-28 03:10:38,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:38,757 INFO L225 Difference]: With dead ends: 1257 [2020-11-28 03:10:38,757 INFO L226 Difference]: Without dead ends: 838 [2020-11-28 03:10:38,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:38,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-28 03:10:38,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2020-11-28 03:10:38,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-28 03:10:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2020-11-28 03:10:38,782 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 183 [2020-11-28 03:10:38,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:38,782 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2020-11-28 03:10:38,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:10:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2020-11-28 03:10:38,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-11-28 03:10:38,786 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:38,787 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:38,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:10:38,787 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:38,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:38,788 INFO L82 PathProgramCache]: Analyzing trace with hash -291922905, now seen corresponding path program 1 times [2020-11-28 03:10:38,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:38,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431843542] [2020-11-28 03:10:38,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:39,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431843542] [2020-11-28 03:10:39,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:39,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:10:39,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111030586] [2020-11-28 03:10:39,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:10:39,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:39,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:10:39,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:10:39,212 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand 7 states. [2020-11-28 03:10:39,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:39,988 INFO L93 Difference]: Finished difference Result 1312 states and 1687 transitions. [2020-11-28 03:10:39,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:10:39,989 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 192 [2020-11-28 03:10:39,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:39,994 INFO L225 Difference]: With dead ends: 1312 [2020-11-28 03:10:39,994 INFO L226 Difference]: Without dead ends: 699 [2020-11-28 03:10:39,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:10:39,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-11-28 03:10:40,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-11-28 03:10:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-28 03:10:40,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 885 transitions. [2020-11-28 03:10:40,027 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 885 transitions. Word has length 192 [2020-11-28 03:10:40,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:40,027 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 885 transitions. [2020-11-28 03:10:40,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:10:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 885 transitions. [2020-11-28 03:10:40,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-11-28 03:10:40,033 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:40,033 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:40,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:10:40,034 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:40,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:40,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1230555583, now seen corresponding path program 1 times [2020-11-28 03:10:40,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:40,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502768316] [2020-11-28 03:10:40,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:40,239 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:40,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502768316] [2020-11-28 03:10:40,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:40,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:10:40,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638454949] [2020-11-28 03:10:40,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:10:40,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:40,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:40,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:40,243 INFO L87 Difference]: Start difference. First operand 699 states and 885 transitions. Second operand 3 states. [2020-11-28 03:10:40,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:40,963 INFO L93 Difference]: Finished difference Result 1533 states and 2025 transitions. [2020-11-28 03:10:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:40,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2020-11-28 03:10:40,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:40,964 INFO L225 Difference]: With dead ends: 1533 [2020-11-28 03:10:40,964 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:10:40,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:40,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:10:40,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:10:40,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:10:40,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:10:40,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2020-11-28 03:10:40,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:40,968 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:10:40,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:10:40,968 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:10:40,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:10:40,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:10:40,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:10:41,105 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-28 03:10:41,106 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-28 03:10:41,106 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-28 03:10:41,106 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-28 03:10:41,106 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-28 03:10:41,106 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-28 03:10:41,106 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,106 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,106 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,106 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,106 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,107 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,107 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-28 03:10:41,107 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-28 03:10:41,107 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-28 03:10:41,107 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-28 03:10:41,107 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-28 03:10:41,107 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-28 03:10:41,107 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-28 03:10:41,107 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-28 03:10:41,107 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-28 03:10:41,108 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-28 03:10:41,108 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-28 03:10:41,108 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-28 03:10:41,108 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-28 03:10:41,108 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,108 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,108 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,108 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,108 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,108 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,109 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-28 03:10:41,109 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-28 03:10:41,109 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-28 03:10:41,109 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-28 03:10:41,109 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-28 03:10:41,109 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-28 03:10:41,109 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-28 03:10:41,109 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-28 03:10:41,109 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-28 03:10:41,109 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-28 03:10:41,110 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-28 03:10:41,110 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-28 03:10:41,110 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,110 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,110 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,110 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,110 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,110 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,110 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-28 03:10:41,111 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-28 03:10:41,111 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-28 03:10:41,111 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-28 03:10:41,111 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-28 03:10:41,111 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-28 03:10:41,111 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-28 03:10:41,114 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-28 03:10:41,114 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-28 03:10:41,114 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-28 03:10:41,114 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-28 03:10:41,114 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-28 03:10:41,115 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:10:41,115 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-28 03:10:41,115 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,115 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,115 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,115 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,116 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,116 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,116 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-28 03:10:41,116 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-28 03:10:41,116 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-28 03:10:41,116 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-28 03:10:41,116 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-28 03:10:41,117 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-28 03:10:41,117 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-28 03:10:41,117 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-28 03:10:41,117 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-28 03:10:41,117 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-28 03:10:41,118 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-28 03:10:41,118 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,119 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,119 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,119 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,119 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,120 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-28 03:10:41,120 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-28 03:10:41,120 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-28 03:10:41,120 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-28 03:10:41,120 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-28 03:10:41,120 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-28 03:10:41,121 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-28 03:10:41,121 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-28 03:10:41,121 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-28 03:10:41,121 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-28 03:10:41,121 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-28 03:10:41,121 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-28 03:10:41,121 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-28 03:10:41,122 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-28 03:10:41,122 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,122 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,122 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,122 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,122 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,122 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-28 03:10:41,123 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:10:41,123 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-28 03:10:41,123 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-28 03:10:41,123 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-28 03:10:41,123 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-28 03:10:41,123 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-28 03:10:41,124 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (= ~a10~0 2) .cse1) (and .cse0 .cse1 (not (= 7 ~a19~0))) (and (= ~a10~0 1) .cse0 .cse1))) [2020-11-28 03:10:41,124 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-28 03:10:41,124 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-28 03:10:41,124 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-28 03:10:41,125 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-28 03:10:41,125 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,125 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,125 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,125 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,125 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,125 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-28 03:10:41,126 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-28 03:10:41,126 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-28 03:10:41,126 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-28 03:10:41,126 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-28 03:10:41,126 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-28 03:10:41,126 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-28 03:10:41,126 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-28 03:10:41,127 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-28 03:10:41,127 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-28 03:10:41,127 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-28 03:10:41,127 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-28 03:10:41,127 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-28 03:10:41,127 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-28 03:10:41,128 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:10:41,128 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,128 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,129 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,129 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,129 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,129 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-28 03:10:41,130 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-28 03:10:41,130 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-28 03:10:41,131 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-28 03:10:41,131 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-28 03:10:41,132 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-28 03:10:41,132 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-28 03:10:41,133 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-28 03:10:41,133 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-28 03:10:41,133 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,133 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,134 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,134 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,134 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:10:41,134 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,134 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-28 03:10:41,135 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-28 03:10:41,136 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-28 03:10:41,140 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-28 03:10:41,140 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-28 03:10:41,140 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-28 03:10:41,140 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-28 03:10:41,140 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-28 03:10:41,141 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-28 03:10:41,142 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-28 03:10:41,142 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-28 03:10:41,143 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-28 03:10:41,144 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (= ~a10~0 2) .cse1) (and .cse0 .cse1 (not (= 7 ~a19~0))) (and (= ~a10~0 1) .cse0 .cse1))) [2020-11-28 03:10:41,144 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-28 03:10:41,145 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,145 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,151 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,151 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,151 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-28 03:10:41,152 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,152 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,152 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-28 03:10:41,152 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-28 03:10:41,152 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-28 03:10:41,152 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-28 03:10:41,152 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-28 03:10:41,153 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-28 03:10:41,153 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-28 03:10:41,153 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-28 03:10:41,153 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-28 03:10:41,153 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:10:41,153 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:10:41,153 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-28 03:10:41,154 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-28 03:10:41,154 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-28 03:10:41,154 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-28 03:10:41,154 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,154 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,154 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,154 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,154 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,155 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:10:41,155 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-28 03:10:41,155 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-28 03:10:41,155 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-28 03:10:41,155 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-28 03:10:41,155 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-28 03:10:41,155 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-28 03:10:41,156 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-28 03:10:41,156 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-28 03:10:41,156 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-28 03:10:41,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:10:41 BoogieIcfgContainer [2020-11-28 03:10:41,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:10:41,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:10:41,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:10:41,181 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:10:41,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:33" (3/4) ... [2020-11-28 03:10:41,184 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:10:41,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:10:41,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:10:41,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:10:41,216 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:10:41,387 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_01053aa1-bc36-45ca-bd79-5e7e47632cc4/bin/uautomizer/witness.graphml [2020-11-28 03:10:41,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:10:41,389 INFO L168 Benchmark]: Toolchain (without parser) took 10021.15 ms. Allocated memory was 100.7 MB in the beginning and 197.1 MB in the end (delta: 96.5 MB). Free memory was 67.5 MB in the beginning and 57.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 106.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:41,389 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 83.9 MB. Free memory was 55.4 MB in the beginning and 55.3 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:10:41,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.74 ms. Allocated memory is still 100.7 MB. Free memory was 67.5 MB in the beginning and 60.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:41,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.01 ms. Allocated memory is still 100.7 MB. Free memory was 60.7 MB in the beginning and 53.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:41,391 INFO L168 Benchmark]: Boogie Preprocessor took 79.30 ms. Allocated memory is still 100.7 MB. Free memory was 53.0 MB in the beginning and 47.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:41,392 INFO L168 Benchmark]: RCFGBuilder took 1691.58 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 47.5 MB in the beginning and 91.5 MB in the end (delta: -44.0 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:41,392 INFO L168 Benchmark]: TraceAbstraction took 7224.53 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 91.5 MB in the beginning and 72.0 MB in the end (delta: 19.6 MB). Peak memory consumption was 81.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:41,392 INFO L168 Benchmark]: Witness Printer took 206.27 ms. Allocated memory is still 197.1 MB. Free memory was 72.0 MB in the beginning and 57.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:41,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 83.9 MB. Free memory was 55.4 MB in the beginning and 55.3 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 677.74 ms. Allocated memory is still 100.7 MB. Free memory was 67.5 MB in the beginning and 60.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 132.01 ms. Allocated memory is still 100.7 MB. Free memory was 60.7 MB in the beginning and 53.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.30 ms. Allocated memory is still 100.7 MB. Free memory was 53.0 MB in the beginning and 47.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1691.58 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 47.5 MB in the beginning and 91.5 MB in the end (delta: -44.0 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7224.53 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 91.5 MB in the beginning and 72.0 MB in the end (delta: 19.6 MB). Peak memory consumption was 81.2 MB. Max. memory is 16.1 GB. * Witness Printer took 206.27 ms. Allocated memory is still 197.1 MB. Free memory was 72.0 MB in the beginning and 57.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((14 == a4 && a10 == 2) && a12 == 0) || ((14 == a4 && a12 == 0) && !(7 == a19))) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((14 == a4 && a10 == 2) && a12 == 0) || ((14 == a4 && a12 == 0) && !(7 == a19))) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.9s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 463 SDtfs, 888 SDslu, 42 SDs, 0 SdLazy, 2469 SolverSat, 511 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=699occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 139 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 22 NumberOfFragments, 65 HoareAnnotationTreeSize, 3 FomulaSimplifications, 202 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 799 NumberOfCodeBlocks, 799 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 794 ConstructedInterpolants, 0 QuantifiedInterpolants, 517256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 471/471 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...