./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label02.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_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label02.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/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 62866bd9334bc9e66fef5c8a3ab686f8cd6aa0c9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:17:42,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:17:42,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:17:42,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:17:42,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:17:42,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:17:42,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:17:42,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:17:43,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:17:43,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:17:43,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:17:43,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:17:43,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:17:43,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:17:43,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:17:43,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:17:43,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:17:43,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:17:43,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:17:43,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:17:43,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:17:43,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:17:43,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:17:43,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:17:43,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:17:43,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:17:43,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:17:43,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:17:43,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:17:43,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:17:43,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:17:43,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:17:43,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:17:43,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:17:43,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:17:43,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:17:43,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:17:43,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:17:43,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:17:43,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:17:43,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:17:43,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:17:43,117 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:17:43,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:17:43,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:17:43,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:17:43,120 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:17:43,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:17:43,121 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:17:43,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:17:43,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:17:43,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:17:43,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:17:43,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:17:43,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:17:43,124 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:17:43,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:17:43,124 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:17:43,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:17:43,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:17:43,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:17:43,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:17:43,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:17:43,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:17:43,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:17:43,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:17:43,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:17:43,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:17:43,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:17:43,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:17:43,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:17:43,129 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_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62866bd9334bc9e66fef5c8a3ab686f8cd6aa0c9 [2020-11-28 03:17:43,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:17:43,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:17:43,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:17:43,539 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:17:43,540 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:17:43,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label02.c [2020-11-28 03:17:43,625 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/data/c12d4d8cb/7348fd1f781e452cb2b181d116256087/FLAG695fa072a [2020-11-28 03:17:44,305 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:17:44,306 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/sv-benchmarks/c/eca-rers2012/Problem01_label02.c [2020-11-28 03:17:44,326 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/data/c12d4d8cb/7348fd1f781e452cb2b181d116256087/FLAG695fa072a [2020-11-28 03:17:44,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/data/c12d4d8cb/7348fd1f781e452cb2b181d116256087 [2020-11-28 03:17:44,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:17:44,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:17:44,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:44,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:17:44,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:17:44,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:44" (1/1) ... [2020-11-28 03:17:44,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c9ad24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44, skipping insertion in model container [2020-11-28 03:17:44,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:44" (1/1) ... [2020-11-28 03:17:44,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:17:44,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:17:45,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:45,146 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:17:45,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:45,285 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:17:45,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45 WrapperNode [2020-11-28 03:17:45,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:45,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:45,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:17:45,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:17:45,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:45,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:17:45,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:17:45,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:17:45,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:17:45,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:17:45,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:17:45,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:17:45,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/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 03:17:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:17:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:17:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:17:45,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:17:47,029 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:17:47,030 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:17:47,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:47 BoogieIcfgContainer [2020-11-28 03:17:47,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:17:47,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:17:47,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:17:47,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:17:47,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:44" (1/3) ... [2020-11-28 03:17:47,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8b0ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:47, skipping insertion in model container [2020-11-28 03:17:47,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (2/3) ... [2020-11-28 03:17:47,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8b0ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:47, skipping insertion in model container [2020-11-28 03:17:47,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:47" (3/3) ... [2020-11-28 03:17:47,040 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label02.c [2020-11-28 03:17:47,050 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:17:47,055 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:17:47,067 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:17:47,091 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:17:47,091 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:17:47,091 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:17:47,091 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:17:47,092 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:17:47,092 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:17:47,092 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:17:47,092 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:17:47,111 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-28 03:17:47,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-11-28 03:17:47,122 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:47,123 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:47,123 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:47,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:47,129 INFO L82 PathProgramCache]: Analyzing trace with hash -776841673, now seen corresponding path program 1 times [2020-11-28 03:17:47,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:47,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055081836] [2020-11-28 03:17:47,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:47,552 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 03:17:47,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055081836] [2020-11-28 03:17:47,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:47,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:17:47,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601089582] [2020-11-28 03:17:47,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:47,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:47,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:47,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:47,581 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-11-28 03:17:48,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:48,725 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-11-28 03:17:48,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:48,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-11-28 03:17:48,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:48,745 INFO L225 Difference]: With dead ends: 529 [2020-11-28 03:17:48,745 INFO L226 Difference]: Without dead ends: 266 [2020-11-28 03:17:48,755 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 03:17:48,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-28 03:17:48,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-28 03:17:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-28 03:17:48,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2020-11-28 03:17:48,833 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 90 [2020-11-28 03:17:48,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:48,834 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2020-11-28 03:17:48,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:48,834 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2020-11-28 03:17:48,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-11-28 03:17:48,839 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:48,839 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-11-28 03:17:48,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:17:48,840 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:48,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:48,841 INFO L82 PathProgramCache]: Analyzing trace with hash 133618700, now seen corresponding path program 1 times [2020-11-28 03:17:48,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:48,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583394339] [2020-11-28 03:17:48,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:48,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:48,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583394339] [2020-11-28 03:17:48,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:48,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:17:48,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562821909] [2020-11-28 03:17:48,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:48,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:48,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:48,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:48,928 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand 3 states. [2020-11-28 03:17:49,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:49,687 INFO L93 Difference]: Finished difference Result 661 states and 955 transitions. [2020-11-28 03:17:49,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:49,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-11-28 03:17:49,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:49,691 INFO L225 Difference]: With dead ends: 661 [2020-11-28 03:17:49,691 INFO L226 Difference]: Without dead ends: 397 [2020-11-28 03:17:49,692 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 03:17:49,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-11-28 03:17:49,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2020-11-28 03:17:49,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-11-28 03:17:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 559 transitions. [2020-11-28 03:17:49,727 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 559 transitions. Word has length 96 [2020-11-28 03:17:49,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:49,729 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 559 transitions. [2020-11-28 03:17:49,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:49,730 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 559 transitions. [2020-11-28 03:17:49,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-11-28 03:17:49,742 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:49,742 INFO L422 BasicCegarLoop]: trace histogram [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 03:17:49,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:17:49,744 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:49,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:49,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1213093644, now seen corresponding path program 1 times [2020-11-28 03:17:49,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:49,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283938501] [2020-11-28 03:17:49,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:49,948 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 03:17:49,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283938501] [2020-11-28 03:17:49,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:49,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:17:49,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684284213] [2020-11-28 03:17:49,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:49,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:49,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:49,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:49,956 INFO L87 Difference]: Start difference. First operand 397 states and 559 transitions. Second operand 3 states. [2020-11-28 03:17:50,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:50,755 INFO L93 Difference]: Finished difference Result 1185 states and 1672 transitions. [2020-11-28 03:17:50,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:50,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-11-28 03:17:50,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:50,761 INFO L225 Difference]: With dead ends: 1185 [2020-11-28 03:17:50,761 INFO L226 Difference]: Without dead ends: 790 [2020-11-28 03:17:50,763 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 03:17:50,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-11-28 03:17:50,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2020-11-28 03:17:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-11-28 03:17:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 911 transitions. [2020-11-28 03:17:50,806 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 911 transitions. Word has length 97 [2020-11-28 03:17:50,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:50,808 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 911 transitions. [2020-11-28 03:17:50,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:50,809 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 911 transitions. [2020-11-28 03:17:50,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-28 03:17:50,811 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:50,811 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 03:17:50,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:17:50,812 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:50,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:50,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1734597635, now seen corresponding path program 1 times [2020-11-28 03:17:50,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:50,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082200882] [2020-11-28 03:17:50,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:50,908 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:50,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082200882] [2020-11-28 03:17:50,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:50,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:17:50,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216364142] [2020-11-28 03:17:50,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:50,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:50,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:50,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:50,912 INFO L87 Difference]: Start difference. First operand 659 states and 911 transitions. Second operand 3 states. [2020-11-28 03:17:51,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:51,583 INFO L93 Difference]: Finished difference Result 1971 states and 2728 transitions. [2020-11-28 03:17:51,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:51,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-11-28 03:17:51,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:51,591 INFO L225 Difference]: With dead ends: 1971 [2020-11-28 03:17:51,591 INFO L226 Difference]: Without dead ends: 1314 [2020-11-28 03:17:51,592 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 03:17:51,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-11-28 03:17:51,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 921. [2020-11-28 03:17:51,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2020-11-28 03:17:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1204 transitions. [2020-11-28 03:17:51,625 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1204 transitions. Word has length 103 [2020-11-28 03:17:51,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:51,626 INFO L481 AbstractCegarLoop]: Abstraction has 921 states and 1204 transitions. [2020-11-28 03:17:51,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:51,626 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1204 transitions. [2020-11-28 03:17:51,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-11-28 03:17:51,628 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:51,629 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-11-28 03:17:51,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:17:51,629 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:51,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:51,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1320040445, now seen corresponding path program 1 times [2020-11-28 03:17:51,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:51,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802763053] [2020-11-28 03:17:51,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:51,700 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:17:51,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802763053] [2020-11-28 03:17:51,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:51,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:17:51,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733985861] [2020-11-28 03:17:51,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:51,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:51,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:51,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:51,702 INFO L87 Difference]: Start difference. First operand 921 states and 1204 transitions. Second operand 3 states. [2020-11-28 03:17:52,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:52,432 INFO L93 Difference]: Finished difference Result 2102 states and 2722 transitions. [2020-11-28 03:17:52,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:52,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-11-28 03:17:52,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:52,441 INFO L225 Difference]: With dead ends: 2102 [2020-11-28 03:17:52,442 INFO L226 Difference]: Without dead ends: 1183 [2020-11-28 03:17:52,443 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 03:17:52,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-11-28 03:17:52,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2020-11-28 03:17:52,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-28 03:17:52,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1329 transitions. [2020-11-28 03:17:52,485 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1329 transitions. Word has length 107 [2020-11-28 03:17:52,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:52,485 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1329 transitions. [2020-11-28 03:17:52,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:52,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1329 transitions. [2020-11-28 03:17:52,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-28 03:17:52,488 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:52,488 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:52,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:17:52,489 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:52,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:52,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1768360917, now seen corresponding path program 1 times [2020-11-28 03:17:52,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:52,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977373700] [2020-11-28 03:17:52,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:52,607 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:52,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977373700] [2020-11-28 03:17:52,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:52,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:17:52,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520764147] [2020-11-28 03:17:52,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:52,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:52,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:52,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:52,610 INFO L87 Difference]: Start difference. First operand 1052 states and 1329 transitions. Second operand 3 states. [2020-11-28 03:17:53,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:53,292 INFO L93 Difference]: Finished difference Result 2364 states and 2972 transitions. [2020-11-28 03:17:53,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:53,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-11-28 03:17:53,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:53,301 INFO L225 Difference]: With dead ends: 2364 [2020-11-28 03:17:53,301 INFO L226 Difference]: Without dead ends: 1314 [2020-11-28 03:17:53,302 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 03:17:53,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-11-28 03:17:53,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2020-11-28 03:17:53,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-11-28 03:17:53,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1621 transitions. [2020-11-28 03:17:53,341 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1621 transitions. Word has length 119 [2020-11-28 03:17:53,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:53,345 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1621 transitions. [2020-11-28 03:17:53,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:53,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1621 transitions. [2020-11-28 03:17:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-28 03:17:53,348 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:53,348 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:53,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:17:53,349 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:53,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:53,350 INFO L82 PathProgramCache]: Analyzing trace with hash 776987611, now seen corresponding path program 1 times [2020-11-28 03:17:53,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:53,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236470385] [2020-11-28 03:17:53,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:53,507 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:53,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236470385] [2020-11-28 03:17:53,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983022134] [2020-11-28 03:17:53,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/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 [2020-11-28 03:17:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:53,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:53,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:53,821 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-28 03:17:53,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:17:53,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-28 03:17:53,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524136716] [2020-11-28 03:17:53,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:53,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:53,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:53,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:53,825 INFO L87 Difference]: Start difference. First operand 1314 states and 1621 transitions. Second operand 3 states. [2020-11-28 03:17:54,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:54,584 INFO L93 Difference]: Finished difference Result 3674 states and 4530 transitions. [2020-11-28 03:17:54,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:54,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-11-28 03:17:54,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:54,599 INFO L225 Difference]: With dead ends: 3674 [2020-11-28 03:17:54,599 INFO L226 Difference]: Without dead ends: 2362 [2020-11-28 03:17:54,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:54,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-11-28 03:17:54,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2362. [2020-11-28 03:17:54,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-11-28 03:17:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2855 transitions. [2020-11-28 03:17:54,660 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2855 transitions. Word has length 123 [2020-11-28 03:17:54,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:54,661 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2855 transitions. [2020-11-28 03:17:54,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:54,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2855 transitions. [2020-11-28 03:17:54,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-11-28 03:17:54,666 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:54,666 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:54,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-28 03:17:54,892 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:54,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:54,892 INFO L82 PathProgramCache]: Analyzing trace with hash -694021722, now seen corresponding path program 1 times [2020-11-28 03:17:54,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:54,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152212120] [2020-11-28 03:17:54,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:54,977 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-28 03:17:54,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152212120] [2020-11-28 03:17:54,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:54,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:54,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670977036] [2020-11-28 03:17:54,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:54,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:54,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:54,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:54,980 INFO L87 Difference]: Start difference. First operand 2362 states and 2855 transitions. Second operand 3 states. [2020-11-28 03:17:55,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:55,727 INFO L93 Difference]: Finished difference Result 5377 states and 6544 transitions. [2020-11-28 03:17:55,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:55,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-11-28 03:17:55,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:55,741 INFO L225 Difference]: With dead ends: 5377 [2020-11-28 03:17:55,741 INFO L226 Difference]: Without dead ends: 2624 [2020-11-28 03:17:55,745 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 03:17:55,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-11-28 03:17:55,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2493. [2020-11-28 03:17:55,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2020-11-28 03:17:55,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2818 transitions. [2020-11-28 03:17:55,804 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2818 transitions. Word has length 130 [2020-11-28 03:17:55,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:55,804 INFO L481 AbstractCegarLoop]: Abstraction has 2493 states and 2818 transitions. [2020-11-28 03:17:55,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:55,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2818 transitions. [2020-11-28 03:17:55,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-28 03:17:55,809 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:55,809 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 03:17:55,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:17:55,810 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:55,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:55,810 INFO L82 PathProgramCache]: Analyzing trace with hash 965568418, now seen corresponding path program 1 times [2020-11-28 03:17:55,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:55,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156695725] [2020-11-28 03:17:55,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:55,978 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 70 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-11-28 03:17:55,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156695725] [2020-11-28 03:17:55,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162288462] [2020-11-28 03:17:55,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/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 [2020-11-28 03:17:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:56,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:56,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:56,185 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-11-28 03:17:56,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:17:56,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:17:56,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761306468] [2020-11-28 03:17:56,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:56,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:56,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:56,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:56,187 INFO L87 Difference]: Start difference. First operand 2493 states and 2818 transitions. Second operand 3 states. [2020-11-28 03:17:56,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:56,816 INFO L93 Difference]: Finished difference Result 5246 states and 5939 transitions. [2020-11-28 03:17:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:56,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-11-28 03:17:56,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:56,830 INFO L225 Difference]: With dead ends: 5246 [2020-11-28 03:17:56,830 INFO L226 Difference]: Without dead ends: 2755 [2020-11-28 03:17:56,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:56,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2020-11-28 03:17:56,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2624. [2020-11-28 03:17:56,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2020-11-28 03:17:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2893 transitions. [2020-11-28 03:17:56,893 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2893 transitions. Word has length 155 [2020-11-28 03:17:56,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:56,893 INFO L481 AbstractCegarLoop]: Abstraction has 2624 states and 2893 transitions. [2020-11-28 03:17:56,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2893 transitions. [2020-11-28 03:17:56,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-28 03:17:56,899 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:56,899 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 03:17:57,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:17:57,128 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:57,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:57,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1054489320, now seen corresponding path program 1 times [2020-11-28 03:17:57,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:57,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10265405] [2020-11-28 03:17:57,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:57,236 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 74 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-28 03:17:57,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10265405] [2020-11-28 03:17:57,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378865454] [2020-11-28 03:17:57,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:17:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:57,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:57,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:57,439 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-11-28 03:17:57,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:17:57,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:17:57,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655860487] [2020-11-28 03:17:57,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:57,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:57,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:57,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:57,442 INFO L87 Difference]: Start difference. First operand 2624 states and 2893 transitions. Second operand 3 states. [2020-11-28 03:17:58,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:58,007 INFO L93 Difference]: Finished difference Result 3150 states and 3486 transitions. [2020-11-28 03:17:58,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:58,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-11-28 03:17:58,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:58,024 INFO L225 Difference]: With dead ends: 3150 [2020-11-28 03:17:58,024 INFO L226 Difference]: Without dead ends: 3148 [2020-11-28 03:17:58,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:58,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-11-28 03:17:58,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3017. [2020-11-28 03:17:58,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-11-28 03:17:58,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3332 transitions. [2020-11-28 03:17:58,095 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3332 transitions. Word has length 159 [2020-11-28 03:17:58,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:58,096 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3332 transitions. [2020-11-28 03:17:58,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:58,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3332 transitions. [2020-11-28 03:17:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-28 03:17:58,103 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:58,103 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 03:17:58,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-28 03:17:58,319 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:58,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:58,320 INFO L82 PathProgramCache]: Analyzing trace with hash 793487067, now seen corresponding path program 1 times [2020-11-28 03:17:58,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:58,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759622090] [2020-11-28 03:17:58,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:58,503 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 110 proven. 3 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-11-28 03:17:58,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759622090] [2020-11-28 03:17:58,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47987237] [2020-11-28 03:17:58,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:17:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:58,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:58,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:58,716 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-11-28 03:17:58,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:17:58,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:17:58,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926236116] [2020-11-28 03:17:58,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:58,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:58,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:58,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:58,718 INFO L87 Difference]: Start difference. First operand 3017 states and 3332 transitions. Second operand 3 states. [2020-11-28 03:17:59,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:59,370 INFO L93 Difference]: Finished difference Result 6949 states and 7685 transitions. [2020-11-28 03:17:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:59,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-11-28 03:17:59,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:59,391 INFO L225 Difference]: With dead ends: 6949 [2020-11-28 03:17:59,392 INFO L226 Difference]: Without dead ends: 3934 [2020-11-28 03:17:59,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:59,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3934 states. [2020-11-28 03:17:59,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3934 to 3279. [2020-11-28 03:17:59,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3279 states. [2020-11-28 03:17:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 3625 transitions. [2020-11-28 03:17:59,470 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 3625 transitions. Word has length 189 [2020-11-28 03:17:59,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:59,470 INFO L481 AbstractCegarLoop]: Abstraction has 3279 states and 3625 transitions. [2020-11-28 03:17:59,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:59,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 3625 transitions. [2020-11-28 03:17:59,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-11-28 03:17:59,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:59,480 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 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 03:17:59,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:17:59,699 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:59,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:59,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1051716072, now seen corresponding path program 1 times [2020-11-28 03:17:59,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:59,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001038457] [2020-11-28 03:17:59,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 109 proven. 3 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-11-28 03:17:59,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001038457] [2020-11-28 03:17:59,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313167219] [2020-11-28 03:17:59,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:17:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:59,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:59,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:00,066 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-28 03:18:00,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:18:00,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:18:00,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446469849] [2020-11-28 03:18:00,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:00,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:00,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:00,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:00,068 INFO L87 Difference]: Start difference. First operand 3279 states and 3625 transitions. Second operand 3 states. [2020-11-28 03:18:00,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:00,783 INFO L93 Difference]: Finished difference Result 6556 states and 7248 transitions. [2020-11-28 03:18:00,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:00,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2020-11-28 03:18:00,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:00,799 INFO L225 Difference]: With dead ends: 6556 [2020-11-28 03:18:00,799 INFO L226 Difference]: Without dead ends: 3279 [2020-11-28 03:18:00,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:00,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2020-11-28 03:18:00,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3017. [2020-11-28 03:18:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-11-28 03:18:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3313 transitions. [2020-11-28 03:18:00,871 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3313 transitions. Word has length 231 [2020-11-28 03:18:00,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:00,871 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3313 transitions. [2020-11-28 03:18:00,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:00,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3313 transitions. [2020-11-28 03:18:00,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-11-28 03:18:00,880 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:00,881 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:01,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-28 03:18:01,096 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:01,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:01,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1965892638, now seen corresponding path program 1 times [2020-11-28 03:18:01,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:01,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559502246] [2020-11-28 03:18:01,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 142 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-11-28 03:18:01,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559502246] [2020-11-28 03:18:01,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292797637] [2020-11-28 03:18:01,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:18:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:01,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:01,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:01,503 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2020-11-28 03:18:01,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:18:01,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:18:01,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134257277] [2020-11-28 03:18:01,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:01,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:01,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:01,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:01,506 INFO L87 Difference]: Start difference. First operand 3017 states and 3313 transitions. Second operand 3 states. [2020-11-28 03:18:02,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:02,204 INFO L93 Difference]: Finished difference Result 6687 states and 7334 transitions. [2020-11-28 03:18:02,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:02,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-11-28 03:18:02,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:02,221 INFO L225 Difference]: With dead ends: 6687 [2020-11-28 03:18:02,222 INFO L226 Difference]: Without dead ends: 3541 [2020-11-28 03:18:02,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:02,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3541 states. [2020-11-28 03:18:02,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3541 to 3410. [2020-11-28 03:18:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3410 states. [2020-11-28 03:18:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 3690 transitions. [2020-11-28 03:18:02,295 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 3690 transitions. Word has length 243 [2020-11-28 03:18:02,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:02,296 INFO L481 AbstractCegarLoop]: Abstraction has 3410 states and 3690 transitions. [2020-11-28 03:18:02,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 3690 transitions. [2020-11-28 03:18:02,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-11-28 03:18:02,305 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:02,306 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:02,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:18:02,532 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:02,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:02,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1368618920, now seen corresponding path program 1 times [2020-11-28 03:18:02,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:02,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803010887] [2020-11-28 03:18:02,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 147 proven. 3 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2020-11-28 03:18:02,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803010887] [2020-11-28 03:18:02,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123222065] [2020-11-28 03:18:02,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:18:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:02,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:02,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2020-11-28 03:18:02,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:18:02,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:18:02,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135940035] [2020-11-28 03:18:02,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:02,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:02,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:02,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:02,928 INFO L87 Difference]: Start difference. First operand 3410 states and 3690 transitions. Second operand 3 states. [2020-11-28 03:18:03,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:03,516 INFO L93 Difference]: Finished difference Result 6292 states and 6812 transitions. [2020-11-28 03:18:03,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:03,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 248 [2020-11-28 03:18:03,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:03,517 INFO L225 Difference]: With dead ends: 6292 [2020-11-28 03:18:03,517 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:18:03,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:03,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:18:03,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:18:03,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:18:03,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:18:03,523 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 248 [2020-11-28 03:18:03,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:03,524 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:18:03,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:03,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:18:03,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:18:03,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-28 03:18:03,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:18:04,761 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2020-11-28 03:18:05,424 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2020-11-28 03:18:05,426 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-28 03:18:05,426 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-28 03:18:05,426 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-28 03:18:05,426 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-28 03:18:05,426 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-28 03:18:05,426 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-28 03:18:05,427 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-28 03:18:05,428 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-28 03:18:05,429 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,430 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,431 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-28 03:18:05,431 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-28 03:18:05,431 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-28 03:18:05,431 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-28 03:18:05,431 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-28 03:18:05,431 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-28 03:18:05,431 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-28 03:18:05,431 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-28 03:18:05,431 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-28 03:18:05,432 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-28 03:18:05,432 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,433 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,433 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,433 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,433 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,433 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,433 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-28 03:18:05,433 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-28 03:18:05,433 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-28 03:18:05,434 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-28 03:18:05,434 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-28 03:18:05,434 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-28 03:18:05,434 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-28 03:18:05,434 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-28 03:18:05,434 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-28 03:18:05,434 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-28 03:18:05,434 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-28 03:18:05,434 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-28 03:18:05,435 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-28 03:18:05,435 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-28 03:18:05,435 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-28 03:18:05,435 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,435 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,435 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,435 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,435 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,436 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:18:05,436 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-28 03:18:05,436 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-28 03:18:05,436 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-28 03:18:05,436 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-28 03:18:05,436 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-28 03:18:05,436 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-28 03:18:05,436 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-28 03:18:05,437 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-28 03:18:05,437 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-28 03:18:05,437 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse1 (<= ~a7~0 0)) (.cse8 (<= ~a16~0 5)) (.cse2 (<= 15 ~a8~0)) (.cse4 (<= ~a20~0 0)) (.cse9 (<= ~a21~0 0)) (.cse11 (<= ~a16~0 4)) (.cse3 (= ~a17~0 1)) (.cse7 (<= ~a8~0 13)) (.cse0 (= ~a21~0 1)) (.cse5 (<= ~a17~0 0)) (.cse10 (= ~a20~0 1)) (.cse6 (<= 5 ~a16~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 .cse5 .cse4) (and .cse8 .cse9 .cse10 .cse3 .cse7) (and .cse0 .cse1 .cse10 .cse3) (and .cse11 .cse7 .cse4) (and .cse0 .cse8 .cse1 .cse10 .cse7) (and .cse0 .cse5 .cse1 .cse10) (and .cse0 .cse8 .cse3 .cse2 .cse4) (and .cse5 .cse9 .cse7) (and .cse11 .cse10 .cse3 .cse7) (and .cse0 .cse10 .cse3 .cse7) (and .cse0 .cse5 .cse10 .cse6))) [2020-11-28 03:18:05,437 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,438 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,438 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,438 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,438 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,438 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-28 03:18:05,438 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-28 03:18:05,438 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-28 03:18:05,438 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-28 03:18:05,439 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-28 03:18:05,439 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-28 03:18:05,439 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-28 03:18:05,439 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-28 03:18:05,439 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-28 03:18:05,439 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-28 03:18:05,439 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-28 03:18:05,439 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-28 03:18:05,439 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:18:05,440 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-28 03:18:05,440 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-28 03:18:05,440 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,440 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,440 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,440 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,440 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,440 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-28 03:18:05,441 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-28 03:18:05,441 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-28 03:18:05,441 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-28 03:18:05,441 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-28 03:18:05,441 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-28 03:18:05,441 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-28 03:18:05,441 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-28 03:18:05,441 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-28 03:18:05,441 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:18:05,442 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,442 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,442 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,442 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,442 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-28 03:18:05,442 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,442 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-28 03:18:05,442 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-28 03:18:05,443 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-28 03:18:05,443 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-28 03:18:05,443 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-28 03:18:05,443 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-28 03:18:05,443 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-28 03:18:05,443 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-28 03:18:05,443 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-28 03:18:05,443 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-28 03:18:05,444 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-28 03:18:05,444 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-28 03:18:05,444 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-28 03:18:05,444 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,444 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse1 (<= ~a7~0 0)) (.cse8 (<= ~a16~0 5)) (.cse2 (<= 15 ~a8~0)) (.cse4 (<= ~a20~0 0)) (.cse9 (<= ~a21~0 0)) (.cse11 (<= ~a16~0 4)) (.cse3 (= ~a17~0 1)) (.cse7 (<= ~a8~0 13)) (.cse0 (= ~a21~0 1)) (.cse5 (<= ~a17~0 0)) (.cse10 (= ~a20~0 1)) (.cse6 (<= 5 ~a16~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 .cse5 .cse4) (and .cse8 .cse9 .cse10 .cse3 .cse7) (and .cse0 .cse1 .cse10 .cse3) (and .cse11 .cse7 .cse4) (and .cse0 .cse8 .cse1 .cse10 .cse7) (and .cse0 .cse5 .cse1 .cse10) (and .cse0 .cse8 .cse3 .cse2 .cse4) (and .cse5 .cse9 .cse7) (and .cse11 .cse10 .cse3 .cse7) (and .cse0 .cse10 .cse3 .cse7) (and .cse0 .cse5 .cse10 .cse6))) [2020-11-28 03:18:05,444 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,445 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,445 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,445 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,445 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-28 03:18:05,445 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:18:05,445 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:18:05,445 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-28 03:18:05,445 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-28 03:18:05,446 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-28 03:18:05,446 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-28 03:18:05,446 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-28 03:18:05,446 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-28 03:18:05,446 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-28 03:18:05,446 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,446 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,446 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,447 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,447 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:18:05,447 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-28 03:18:05,447 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-28 03:18:05,447 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-28 03:18:05,447 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-28 03:18:05,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:18:05 BoogieIcfgContainer [2020-11-28 03:18:05,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:18:05,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:18:05,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:18:05,473 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:18:05,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:47" (3/4) ... [2020-11-28 03:18:05,477 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:18:05,516 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:18:05,522 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:18:05,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:18:05,524 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:18:05,679 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8bc4dada-ff29-4b5e-9fb6-81a2790b6ba6/bin/uautomizer/witness.graphml [2020-11-28 03:18:05,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:18:05,680 INFO L168 Benchmark]: Toolchain (without parser) took 21162.16 ms. Allocated memory was 96.5 MB in the beginning and 404.8 MB in the end (delta: 308.3 MB). Free memory was 59.9 MB in the beginning and 164.7 MB in the end (delta: -104.8 MB). Peak memory consumption was 204.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:05,680 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 96.5 MB. Free memory is still 77.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:05,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.77 ms. Allocated memory is still 96.5 MB. Free memory was 59.7 MB in the beginning and 55.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:05,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.01 ms. Allocated memory is still 96.5 MB. Free memory was 55.9 MB in the beginning and 50.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:05,681 INFO L168 Benchmark]: Boogie Preprocessor took 112.35 ms. Allocated memory is still 96.5 MB. Free memory was 50.3 MB in the beginning and 45.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:05,682 INFO L168 Benchmark]: RCFGBuilder took 1545.87 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 45.8 MB in the beginning and 53.4 MB in the end (delta: -7.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:05,682 INFO L168 Benchmark]: TraceAbstraction took 18439.52 ms. Allocated memory was 123.7 MB in the beginning and 404.8 MB in the end (delta: 281.0 MB). Free memory was 52.6 MB in the beginning and 179.4 MB in the end (delta: -126.8 MB). Peak memory consumption was 199.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:05,682 INFO L168 Benchmark]: Witness Printer took 205.83 ms. Allocated memory is still 404.8 MB. Free memory was 179.4 MB in the beginning and 164.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:05,684 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 96.5 MB. Free memory is still 77.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 766.77 ms. Allocated memory is still 96.5 MB. Free memory was 59.7 MB in the beginning and 55.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.01 ms. Allocated memory is still 96.5 MB. Free memory was 55.9 MB in the beginning and 50.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.35 ms. Allocated memory is still 96.5 MB. Free memory was 50.3 MB in the beginning and 45.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1545.87 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 45.8 MB in the beginning and 53.4 MB in the end (delta: -7.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18439.52 ms. Allocated memory was 123.7 MB in the beginning and 404.8 MB in the end (delta: 281.0 MB). Free memory was 52.6 MB in the beginning and 179.4 MB in the end (delta: -126.8 MB). Peak memory consumption was 199.8 MB. Max. memory is 16.1 GB. * Witness Printer took 205.83 ms. Allocated memory is still 404.8 MB. Free memory was 179.4 MB in the beginning and 164.7 MB in the end (delta: 14.7 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: 40]: Loop Invariant Derived loop invariant: ((((((((((((((((a21 == 1 && a7 <= 0) && 15 <= a8) && a17 == 1) && a20 <= 0) || (((a17 <= 0 && a7 <= 0) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && 5 <= a16) && a8 <= 13)) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || ((((a16 <= 5 && a21 <= 0) && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a16 <= 4 && a8 <= 13) && a20 <= 0)) || ((((a21 == 1 && a16 <= 5) && a7 <= 0) && a20 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a7 <= 0) && a20 == 1)) || ((((a21 == 1 && a16 <= 5) && a17 == 1) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && a21 <= 0) && a8 <= 13)) || (((a16 <= 4 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a20 == 1) && 5 <= a16) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((((((((((a21 == 1 && a7 <= 0) && 15 <= a8) && a17 == 1) && a20 <= 0) || (((a17 <= 0 && a7 <= 0) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && 5 <= a16) && a8 <= 13)) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || ((((a16 <= 5 && a21 <= 0) && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a16 <= 4 && a8 <= 13) && a20 <= 0)) || ((((a21 == 1 && a16 <= 5) && a7 <= 0) && a20 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a7 <= 0) && a20 == 1)) || ((((a21 == 1 && a16 <= 5) && a17 == 1) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && a21 <= 0) && a8 <= 13)) || (((a16 <= 4 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a20 == 1) && 5 <= a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.6s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1188 SDtfs, 1463 SDslu, 73 SDs, 0 SdLazy, 4517 SolverSat, 722 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1377 GetRequests, 1349 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3410occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 2096 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 59 NumberOfFragments, 367 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2774 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1000 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 3438 NumberOfCodeBlocks, 3438 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 3417 ConstructedInterpolants, 0 QuantifiedInterpolants, 1107946 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2973 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 21 InterpolantComputations, 14 PerfectInterpolantSequences, 3385/3406 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...