./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.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_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/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 90b0cdc2fc90434e0a4f6271fb161422e9b25aee ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:56:20,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:20,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:20,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:20,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:20,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:20,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:20,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:20,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:20,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:20,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:20,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:20,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:20,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:20,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:20,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:20,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:20,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:20,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:20,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:20,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:20,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:20,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:20,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:20,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:20,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:20,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:20,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:20,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:20,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:20,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:20,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:20,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:20,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:20,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:20,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:20,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:20,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:20,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:20,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:20,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:20,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:56:20,791 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:20,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:20,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:20,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:20,799 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:20,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:20,799 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:56:20,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:56:20,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:56:20,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:20,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:56:20,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:56:20,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:56:20,801 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:56:20,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:20,802 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:20,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:56:20,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:20,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:20,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:56:20,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:56:20,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:20,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:20,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:56:20,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:56:20,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:56:20,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:56:20,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:56:20,805 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:20,805 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_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90b0cdc2fc90434e0a4f6271fb161422e9b25aee [2020-11-28 02:56:21,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:21,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:21,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:21,144 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:21,152 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:21,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2020-11-28 02:56:21,244 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/bin/uautomizer/data/c2b862cee/801e12eb899642a78ce034a58d0772e5/FLAG9b47da7a8 [2020-11-28 02:56:21,864 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:21,864 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2020-11-28 02:56:21,879 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/bin/uautomizer/data/c2b862cee/801e12eb899642a78ce034a58d0772e5/FLAG9b47da7a8 [2020-11-28 02:56:22,117 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/bin/uautomizer/data/c2b862cee/801e12eb899642a78ce034a58d0772e5 [2020-11-28 02:56:22,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:22,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:22,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:22,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:22,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:22,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663fe537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22, skipping insertion in model container [2020-11-28 02:56:22,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:22,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:22,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:22,612 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:22,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:22,779 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:22,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22 WrapperNode [2020-11-28 02:56:22,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:22,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:22,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:22,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:22,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:22,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:22,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:22,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:22,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:22,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:22,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:22,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:22,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/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 02:56:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:56:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:56:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:24,599 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:24,599 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 02:56:24,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:24 BoogieIcfgContainer [2020-11-28 02:56:24,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:24,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:56:24,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:56:24,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:56:24,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:22" (1/3) ... [2020-11-28 02:56:24,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d877a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:24, skipping insertion in model container [2020-11-28 02:56:24,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (2/3) ... [2020-11-28 02:56:24,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d877a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:24, skipping insertion in model container [2020-11-28 02:56:24,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:24" (3/3) ... [2020-11-28 02:56:24,613 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label04.c [2020-11-28 02:56:24,625 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:56:24,630 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:56:24,643 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:56:24,672 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:56:24,672 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:56:24,672 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:56:24,673 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:24,673 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:24,673 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:56:24,673 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:24,673 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:56:24,693 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-28 02:56:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-28 02:56:24,705 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:24,706 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:24,706 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:24,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:24,712 INFO L82 PathProgramCache]: Analyzing trace with hash 585738029, now seen corresponding path program 1 times [2020-11-28 02:56:24,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:24,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208036335] [2020-11-28 02:56:24,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:25,264 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 02:56:25,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208036335] [2020-11-28 02:56:25,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:25,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:25,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338849533] [2020-11-28 02:56:25,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:25,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:25,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:25,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:25,296 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-28 02:56:26,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:26,521 INFO L93 Difference]: Finished difference Result 597 states and 1031 transitions. [2020-11-28 02:56:26,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:26,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-11-28 02:56:26,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:26,555 INFO L225 Difference]: With dead ends: 597 [2020-11-28 02:56:26,558 INFO L226 Difference]: Without dead ends: 305 [2020-11-28 02:56:26,562 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 02:56:26,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-28 02:56:26,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-11-28 02:56:26,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-11-28 02:56:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2020-11-28 02:56:26,653 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 106 [2020-11-28 02:56:26,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:26,654 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2020-11-28 02:56:26,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:26,655 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2020-11-28 02:56:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-11-28 02:56:26,665 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:26,666 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:26,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:56:26,666 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:26,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:26,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1949452949, now seen corresponding path program 1 times [2020-11-28 02:56:26,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:26,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546011279] [2020-11-28 02:56:26,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:26,754 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:26,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546011279] [2020-11-28 02:56:26,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:26,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:26,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280801211] [2020-11-28 02:56:26,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:26,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:26,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:26,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:26,759 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states. [2020-11-28 02:56:27,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:27,164 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions. [2020-11-28 02:56:27,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:27,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-11-28 02:56:27,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:27,168 INFO L225 Difference]: With dead ends: 599 [2020-11-28 02:56:27,168 INFO L226 Difference]: Without dead ends: 296 [2020-11-28 02:56:27,170 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 02:56:27,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-11-28 02:56:27,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-11-28 02:56:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-11-28 02:56:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2020-11-28 02:56:27,199 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 117 [2020-11-28 02:56:27,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:27,201 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2020-11-28 02:56:27,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:27,202 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2020-11-28 02:56:27,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-28 02:56:27,209 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:27,210 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:27,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:56:27,210 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:27,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:27,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1626485264, now seen corresponding path program 1 times [2020-11-28 02:56:27,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:27,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490611389] [2020-11-28 02:56:27,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:27,326 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:27,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490611389] [2020-11-28 02:56:27,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:27,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:27,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931252909] [2020-11-28 02:56:27,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:27,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:27,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:27,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:27,341 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states. [2020-11-28 02:56:28,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:28,211 INFO L93 Difference]: Finished difference Result 872 states and 1244 transitions. [2020-11-28 02:56:28,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:28,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-11-28 02:56:28,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:28,217 INFO L225 Difference]: With dead ends: 872 [2020-11-28 02:56:28,217 INFO L226 Difference]: Without dead ends: 578 [2020-11-28 02:56:28,218 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 02:56:28,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2020-11-28 02:56:28,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 438. [2020-11-28 02:56:28,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2020-11-28 02:56:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 573 transitions. [2020-11-28 02:56:28,249 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 573 transitions. Word has length 124 [2020-11-28 02:56:28,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:28,250 INFO L481 AbstractCegarLoop]: Abstraction has 438 states and 573 transitions. [2020-11-28 02:56:28,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:28,250 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 573 transitions. [2020-11-28 02:56:28,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-28 02:56:28,252 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:28,252 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:28,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:56:28,252 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:28,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:28,253 INFO L82 PathProgramCache]: Analyzing trace with hash -760417283, now seen corresponding path program 1 times [2020-11-28 02:56:28,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:28,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925170534] [2020-11-28 02:56:28,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:28,391 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:28,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925170534] [2020-11-28 02:56:28,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:28,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:28,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179993644] [2020-11-28 02:56:28,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:28,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:28,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:28,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:28,394 INFO L87 Difference]: Start difference. First operand 438 states and 573 transitions. Second operand 3 states. [2020-11-28 02:56:29,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:29,008 INFO L93 Difference]: Finished difference Result 1017 states and 1348 transitions. [2020-11-28 02:56:29,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:29,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-11-28 02:56:29,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:29,014 INFO L225 Difference]: With dead ends: 1017 [2020-11-28 02:56:29,014 INFO L226 Difference]: Without dead ends: 581 [2020-11-28 02:56:29,015 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 02:56:29,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-11-28 02:56:29,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 579. [2020-11-28 02:56:29,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-11-28 02:56:29,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 754 transitions. [2020-11-28 02:56:29,035 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 754 transitions. Word has length 129 [2020-11-28 02:56:29,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:29,035 INFO L481 AbstractCegarLoop]: Abstraction has 579 states and 754 transitions. [2020-11-28 02:56:29,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:29,035 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 754 transitions. [2020-11-28 02:56:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-28 02:56:29,046 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:29,046 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:29,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:56:29,047 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:29,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:29,047 INFO L82 PathProgramCache]: Analyzing trace with hash -947611533, now seen corresponding path program 1 times [2020-11-28 02:56:29,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:29,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882876982] [2020-11-28 02:56:29,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:29,406 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:29,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882876982] [2020-11-28 02:56:29,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849960101] [2020-11-28 02:56:29,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/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 02:56:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:29,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:56:29,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:29,663 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 02:56:29,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:29,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 02:56:29,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277182576] [2020-11-28 02:56:29,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:29,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:29,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:29,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:56:29,666 INFO L87 Difference]: Start difference. First operand 579 states and 754 transitions. Second operand 3 states. [2020-11-28 02:56:30,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:30,517 INFO L93 Difference]: Finished difference Result 1585 states and 2049 transitions. [2020-11-28 02:56:30,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:30,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-11-28 02:56:30,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:30,525 INFO L225 Difference]: With dead ends: 1585 [2020-11-28 02:56:30,526 INFO L226 Difference]: Without dead ends: 1008 [2020-11-28 02:56:30,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:56:30,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2020-11-28 02:56:30,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 867. [2020-11-28 02:56:30,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-11-28 02:56:30,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1074 transitions. [2020-11-28 02:56:30,590 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1074 transitions. Word has length 133 [2020-11-28 02:56:30,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:30,591 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 1074 transitions. [2020-11-28 02:56:30,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:30,591 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1074 transitions. [2020-11-28 02:56:30,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-11-28 02:56:30,594 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:30,594 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:30,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:30,820 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:30,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:30,821 INFO L82 PathProgramCache]: Analyzing trace with hash -2113858199, now seen corresponding path program 1 times [2020-11-28 02:56:30,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:30,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721339563] [2020-11-28 02:56:30,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:30,933 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 02:56:30,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721339563] [2020-11-28 02:56:30,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:30,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:30,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201470008] [2020-11-28 02:56:30,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:30,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:30,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:30,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:30,936 INFO L87 Difference]: Start difference. First operand 867 states and 1074 transitions. Second operand 3 states. [2020-11-28 02:56:31,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:31,540 INFO L93 Difference]: Finished difference Result 1726 states and 2137 transitions. [2020-11-28 02:56:31,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:31,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-11-28 02:56:31,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:31,548 INFO L225 Difference]: With dead ends: 1726 [2020-11-28 02:56:31,549 INFO L226 Difference]: Without dead ends: 861 [2020-11-28 02:56:31,550 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 02:56:31,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-11-28 02:56:31,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-11-28 02:56:31,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-11-28 02:56:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 985 transitions. [2020-11-28 02:56:31,581 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 985 transitions. Word has length 137 [2020-11-28 02:56:31,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:31,581 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 985 transitions. [2020-11-28 02:56:31,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:31,582 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 985 transitions. [2020-11-28 02:56:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-11-28 02:56:31,609 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:31,609 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:31,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:56:31,616 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:31,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:31,617 INFO L82 PathProgramCache]: Analyzing trace with hash 987956652, now seen corresponding path program 1 times [2020-11-28 02:56:31,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:31,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490137358] [2020-11-28 02:56:31,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 02:56:31,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490137358] [2020-11-28 02:56:31,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:31,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:31,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954512335] [2020-11-28 02:56:31,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:31,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:31,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:31,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:31,751 INFO L87 Difference]: Start difference. First operand 861 states and 985 transitions. Second operand 3 states. [2020-11-28 02:56:32,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:32,425 INFO L93 Difference]: Finished difference Result 2000 states and 2278 transitions. [2020-11-28 02:56:32,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:32,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-11-28 02:56:32,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:32,431 INFO L225 Difference]: With dead ends: 2000 [2020-11-28 02:56:32,431 INFO L226 Difference]: Without dead ends: 861 [2020-11-28 02:56:32,434 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 02:56:32,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-11-28 02:56:32,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-11-28 02:56:32,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-11-28 02:56:32,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 951 transitions. [2020-11-28 02:56:32,458 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 951 transitions. Word has length 199 [2020-11-28 02:56:32,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:32,458 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 951 transitions. [2020-11-28 02:56:32,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:32,459 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 951 transitions. [2020-11-28 02:56:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-11-28 02:56:32,462 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:32,463 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:56:32,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:56:32,463 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:32,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:32,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1577415667, now seen corresponding path program 1 times [2020-11-28 02:56:32,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:32,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963791932] [2020-11-28 02:56:32,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:32,568 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-11-28 02:56:32,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963791932] [2020-11-28 02:56:32,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:32,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:32,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041667038] [2020-11-28 02:56:32,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:32,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:32,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:32,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:32,571 INFO L87 Difference]: Start difference. First operand 861 states and 951 transitions. Second operand 3 states. [2020-11-28 02:56:33,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:33,252 INFO L93 Difference]: Finished difference Result 1998 states and 2224 transitions. [2020-11-28 02:56:33,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:33,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2020-11-28 02:56:33,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:33,253 INFO L225 Difference]: With dead ends: 1998 [2020-11-28 02:56:33,253 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:56:33,255 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 02:56:33,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:56:33,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:56:33,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:56:33,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:56:33,256 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 209 [2020-11-28 02:56:33,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:33,256 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:56:33,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:33,256 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:56:33,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:56:33,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 02:56:33,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:56:33,483 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,483 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,483 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-28 02:56:33,484 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-28 02:56:33,485 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-28 02:56:33,485 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,485 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,485 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,485 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-28 02:56:33,485 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-28 02:56:33,485 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-28 02:56:33,485 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-28 02:56:33,485 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-28 02:56:33,485 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-28 02:56:33,485 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-28 02:56:33,485 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-28 02:56:33,485 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-28 02:56:33,486 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-28 02:56:33,486 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,486 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,486 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,486 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-28 02:56:33,486 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-28 02:56:33,488 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-28 02:56:33,488 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-28 02:56:33,488 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-28 02:56:33,488 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-28 02:56:33,489 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-28 02:56:33,489 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,489 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,489 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,489 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-28 02:56:33,489 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-28 02:56:33,489 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-28 02:56:33,489 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-28 02:56:33,490 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-28 02:56:33,490 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-28 02:56:33,492 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-28 02:56:33,492 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,492 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,492 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,492 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-28 02:56:33,493 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-28 02:56:33,493 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-28 02:56:33,493 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-28 02:56:33,493 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-28 02:56:33,493 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,493 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,493 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,493 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-28 02:56:33,494 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-28 02:56:33,494 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-28 02:56:33,494 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-28 02:56:33,494 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-28 02:56:33,494 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-28 02:56:33,494 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-28 02:56:33,495 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-28 02:56:33,495 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,496 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,496 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,496 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-28 02:56:33,496 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:56:33,496 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-28 02:56:33,496 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-28 02:56:33,496 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-28 02:56:33,496 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-28 02:56:33,497 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-28 02:56:33,497 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-28 02:56:33,497 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-28 02:56:33,497 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,497 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,497 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,498 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-28 02:56:33,498 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-28 02:56:33,498 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-28 02:56:33,498 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-28 02:56:33,498 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-28 02:56:33,498 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-28 02:56:33,498 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-28 02:56:33,498 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-28 02:56:33,499 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-28 02:56:33,499 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,499 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,499 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,499 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-28 02:56:33,499 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-28 02:56:33,499 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-28 02:56:33,499 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-28 02:56:33,500 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-28 02:56:33,500 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-28 02:56:33,500 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:56:33,500 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 02:56:33,500 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,500 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,500 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,500 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-28 02:56:33,501 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-28 02:56:33,501 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-28 02:56:33,501 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-28 02:56:33,501 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-28 02:56:33,501 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-28 02:56:33,501 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-28 02:56:33,501 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-28 02:56:33,502 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,502 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,502 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,502 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-28 02:56:33,502 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-28 02:56:33,502 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-28 02:56:33,502 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-28 02:56:33,503 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-28 02:56:33,503 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,503 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,503 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,503 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-28 02:56:33,503 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-28 02:56:33,503 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-28 02:56:33,503 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-28 02:56:33,503 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-28 02:56:33,504 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-28 02:56:33,504 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-28 02:56:33,504 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-28 02:56:33,504 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-28 02:56:33,504 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-28 02:56:33,504 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-28 02:56:33,504 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,504 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,505 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-28 02:56:33,505 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-28 02:56:33,505 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-28 02:56:33,505 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-28 02:56:33,505 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-28 02:56:33,505 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-28 02:56:33,505 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-28 02:56:33,505 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-28 02:56:33,506 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-28 02:56:33,506 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 02:56:33,506 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse1 (<= ~a17~0 8)) (.cse0 (= ~a19~0 1)) (.cse2 (<= ~a28~0 10))) (or (and .cse0 (<= ~a28~0 7) .cse1) (and (<= ~a19~0 0) .cse1 .cse2) (and .cse0 (<= 8 ~a17~0) .cse1) (and .cse0 (<= 10 ~a28~0) (<= ~a17~0 7) .cse2))) [2020-11-28 02:56:33,506 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,506 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,506 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-28 02:56:33,506 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-28 02:56:33,507 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-28 02:56:33,507 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-28 02:56:33,507 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-28 02:56:33,507 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-28 02:56:33,507 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-28 02:56:33,507 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,507 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,507 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-28 02:56:33,510 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-28 02:56:33,510 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-28 02:56:33,511 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-28 02:56:33,511 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-28 02:56:33,511 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-28 02:56:33,511 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-28 02:56:33,511 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-28 02:56:33,511 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-28 02:56:33,511 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,511 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,511 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-28 02:56:33,512 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-28 02:56:33,512 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-28 02:56:33,512 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-28 02:56:33,512 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:56:33,512 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-28 02:56:33,512 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-28 02:56:33,512 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse1 (<= ~a17~0 8)) (.cse0 (= ~a19~0 1)) (.cse2 (<= ~a28~0 10))) (or (and .cse0 (<= ~a28~0 7) .cse1) (and (<= ~a19~0 0) .cse1 .cse2) (and .cse0 (<= 8 ~a17~0) .cse1) (and .cse0 (<= 10 ~a28~0) (<= ~a17~0 7) .cse2))) [2020-11-28 02:56:33,513 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,513 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,513 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-28 02:56:33,513 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-28 02:56:33,513 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-28 02:56:33,513 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-28 02:56:33,513 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-28 02:56:33,513 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,514 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,514 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-28 02:56:33,514 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-28 02:56:33,514 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-28 02:56:33,514 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-28 02:56:33,514 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-28 02:56:33,514 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-28 02:56:33,514 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-28 02:56:33,514 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-28 02:56:33,515 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-28 02:56:33,515 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,515 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,515 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-28 02:56:33,515 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,515 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:56:33,515 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-28 02:56:33,515 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-28 02:56:33,515 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-28 02:56:33,516 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-28 02:56:33,516 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-28 02:56:33,516 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-28 02:56:33,516 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,516 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,516 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,516 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-28 02:56:33,516 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-28 02:56:33,517 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-28 02:56:33,517 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-28 02:56:33,517 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-28 02:56:33,517 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,517 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,518 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:33,518 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-28 02:56:33,518 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-28 02:56:33,518 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-28 02:56:33,518 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-28 02:56:33,518 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-28 02:56:33,518 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-28 02:56:33,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:56:33 BoogieIcfgContainer [2020-11-28 02:56:33,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:56:33,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:56:33,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:56:33,543 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:56:33,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:24" (3/4) ... [2020-11-28 02:56:33,549 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:56:33,579 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 02:56:33,580 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 02:56:33,582 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:56:33,583 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:56:33,762 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c4d5ad09-7c8e-44aa-9fa7-06fbde5395bf/bin/uautomizer/witness.graphml [2020-11-28 02:56:33,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:56:33,764 INFO L168 Benchmark]: Toolchain (without parser) took 11642.82 ms. Allocated memory was 94.4 MB in the beginning and 230.7 MB in the end (delta: 136.3 MB). Free memory was 63.5 MB in the beginning and 111.8 MB in the end (delta: -48.2 MB). Peak memory consumption was 87.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:33,765 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory was 51.3 MB in the beginning and 51.3 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:33,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.54 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 63.3 MB in the beginning and 73.2 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:33,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.88 ms. Allocated memory is still 113.2 MB. Free memory was 73.2 MB in the beginning and 68.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:33,767 INFO L168 Benchmark]: Boogie Preprocessor took 57.04 ms. Allocated memory is still 113.2 MB. Free memory was 68.0 MB in the beginning and 63.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:33,767 INFO L168 Benchmark]: RCFGBuilder took 1635.48 ms. Allocated memory is still 113.2 MB. Free memory was 63.3 MB in the beginning and 58.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:33,768 INFO L168 Benchmark]: TraceAbstraction took 8936.44 ms. Allocated memory was 113.2 MB in the beginning and 230.7 MB in the end (delta: 117.4 MB). Free memory was 58.4 MB in the beginning and 127.5 MB in the end (delta: -69.1 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:33,768 INFO L168 Benchmark]: Witness Printer took 219.77 ms. Allocated memory is still 230.7 MB. Free memory was 126.4 MB in the beginning and 111.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:33,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory was 51.3 MB in the beginning and 51.3 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 654.54 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 63.3 MB in the beginning and 73.2 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.88 ms. Allocated memory is still 113.2 MB. Free memory was 73.2 MB in the beginning and 68.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.04 ms. Allocated memory is still 113.2 MB. Free memory was 68.0 MB in the beginning and 63.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1635.48 ms. Allocated memory is still 113.2 MB. Free memory was 63.3 MB in the beginning and 58.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8936.44 ms. Allocated memory was 113.2 MB in the beginning and 230.7 MB in the end (delta: 117.4 MB). Free memory was 58.4 MB in the beginning and 127.5 MB in the end (delta: -69.1 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. * Witness Printer took 219.77 ms. Allocated memory is still 230.7 MB. Free memory was 126.4 MB in the beginning and 111.8 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((a19 == 1 && a28 <= 7) && a17 <= 8) || ((a19 <= 0 && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && 8 <= a17) && a17 <= 8)) || (((a19 == 1 && 10 <= a28) && a17 <= 7) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((a19 == 1 && a28 <= 7) && a17 <= 8) || ((a19 <= 0 && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && 8 <= a17) && a17 <= 8)) || (((a19 == 1 && 10 <= a28) && a17 <= 7) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.5s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 916 SDtfs, 1029 SDslu, 86 SDs, 0 SdLazy, 2650 SolverSat, 511 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=867occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 283 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 25 NumberOfFragments, 89 HoareAnnotationTreeSize, 3 FomulaSimplifications, 300 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 44 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1287 NumberOfCodeBlocks, 1287 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1278 ConstructedInterpolants, 0 QuantifiedInterpolants, 536058 SizeOfPredicates, 1 NumberOfNonLiveVariables, 276 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 403/419 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...