./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i --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_8994d09d-89a1-4a75-b5c2-392763b7d940/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8994d09d-89a1-4a75-b5c2-392763b7d940/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8994d09d-89a1-4a75-b5c2-392763b7d940/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8994d09d-89a1-4a75-b5c2-392763b7d940/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8994d09d-89a1-4a75-b5c2-392763b7d940/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8994d09d-89a1-4a75-b5c2-392763b7d940/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 515641d47b866a31074baa0701cc4e191cb58e69 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:34:54,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:34:54,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:34:54,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:34:54,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:34:54,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:34:54,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:34:54,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:34:54,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:34:54,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:34:54,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:34:54,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:34:54,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:34:54,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:34:54,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:34:54,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:34:54,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:34:54,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:34:54,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:34:54,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:34:54,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:34:54,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:34:54,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:34:54,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:34:54,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:34:54,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:34:54,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:34:54,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:34:54,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:34:54,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:34:54,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:34:54,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:34:54,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:34:54,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:34:54,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:34:54,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:34:54,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:34:54,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:34:54,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:34:54,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:34:54,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:34:54,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8994d09d-89a1-4a75-b5c2-392763b7d940/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:34:54,882 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:34:54,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:34:54,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:34:54,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:34:54,887 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:34:54,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:34:54,887 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:34:54,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:34:54,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:34:54,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:34:54,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:34:54,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:34:54,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:34:54,891 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:34:54,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:34:54,892 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:34:54,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:34:54,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:34:54,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:34:54,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:34:54,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:34:54,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:34:54,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:34:54,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:34:54,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:34:54,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:34:54,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:34:54,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:34:54,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:34:54,897 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_8994d09d-89a1-4a75-b5c2-392763b7d940/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8994d09d-89a1-4a75-b5c2-392763b7d940/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 515641d47b866a31074baa0701cc4e191cb58e69 [2020-11-29 20:34:55,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:34:55,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:34:55,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:34:55,415 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:34:55,416 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:34:55,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8994d09d-89a1-4a75-b5c2-392763b7d940/bin/uautomizer/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i [2020-11-29 20:34:55,517 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8994d09d-89a1-4a75-b5c2-392763b7d940/bin/uautomizer/data/20d820537/93c665ae76bb48099efaeaab17bc356d/FLAG198007a89 [2020-11-29 20:34:56,137 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:34:56,138 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8994d09d-89a1-4a75-b5c2-392763b7d940/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i [2020-11-29 20:34:56,148 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8994d09d-89a1-4a75-b5c2-392763b7d940/bin/uautomizer/data/20d820537/93c665ae76bb48099efaeaab17bc356d/FLAG198007a89 [2020-11-29 20:34:56,490 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8994d09d-89a1-4a75-b5c2-392763b7d940/bin/uautomizer/data/20d820537/93c665ae76bb48099efaeaab17bc356d [2020-11-29 20:34:56,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:34:56,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:34:56,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:34:56,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:34:56,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:34:56,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:34:56" (1/1) ... [2020-11-29 20:34:56,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599302e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:34:56, skipping insertion in model container [2020-11-29 20:34:56,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:34:56" (1/1) ... [2020-11-29 20:34:56,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:34:56,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:34:56,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:34:56,866 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:34:56,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:34:56,951 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:34:56,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:34:56 WrapperNode [2020-11-29 20:34:56,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:34:56,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:34:56,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:34:56,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:34:56,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:34:56" (1/1) ... [2020-11-29 20:34:57,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:34:56" (1/1) ... [2020-11-29 20:34:57,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:34:57,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:34:57,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:34:57,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:34:57,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:34:56" (1/1) ... [2020-11-29 20:34:57,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:34:56" (1/1) ... [2020-11-29 20:34:57,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:34:56" (1/1) ... [2020-11-29 20:34:57,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:34:56" (1/1) ... [2020-11-29 20:34:57,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:34:56" (1/1) ... [2020-11-29 20:34:57,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:34:56" (1/1) ... [2020-11-29 20:34:57,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:34:56" (1/1) ... [2020-11-29 20:34:57,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:34:57,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:34:57,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:34:57,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:34:57,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:34:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8994d09d-89a1-4a75-b5c2-392763b7d940/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 [2020-11-29 20:34:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:34:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:34:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:34:57,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:34:58,087 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:34:58,087 INFO L298 CfgBuilder]: Removed 70 assume(true) statements. [2020-11-29 20:34:58,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:34:58 BoogieIcfgContainer [2020-11-29 20:34:58,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:34:58,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:34:58,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:34:58,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:34:58,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:34:56" (1/3) ... [2020-11-29 20:34:58,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8aa89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:34:58, skipping insertion in model container [2020-11-29 20:34:58,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:34:56" (2/3) ... [2020-11-29 20:34:58,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8aa89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:34:58, skipping insertion in model container [2020-11-29 20:34:58,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:34:58" (3/3) ... [2020-11-29 20:34:58,107 INFO L111 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i [2020-11-29 20:34:58,122 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:34:58,130 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-11-29 20:34:58,147 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-11-29 20:34:58,201 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:34:58,204 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:34:58,205 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:34:58,205 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:34:58,205 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:34:58,206 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:34:58,206 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:34:58,206 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:34:58,245 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-11-29 20:34:58,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 20:34:58,252 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:34:58,253 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:34:58,255 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:34:58,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:34:58,263 INFO L82 PathProgramCache]: Analyzing trace with hash -691092303, now seen corresponding path program 1 times [2020-11-29 20:34:58,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:34:58,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411094895] [2020-11-29 20:34:58,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:34:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:34:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:34:58,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411094895] [2020-11-29 20:34:58,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:34:58,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:34:58,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559795018] [2020-11-29 20:34:58,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:34:58,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:34:58,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:34:58,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:34:58,533 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 3 states. [2020-11-29 20:34:58,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:34:58,811 INFO L93 Difference]: Finished difference Result 233 states and 311 transitions. [2020-11-29 20:34:58,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:34:58,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-29 20:34:58,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:34:58,840 INFO L225 Difference]: With dead ends: 233 [2020-11-29 20:34:58,840 INFO L226 Difference]: Without dead ends: 104 [2020-11-29 20:34:58,845 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 [2020-11-29 20:34:58,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-11-29 20:34:58,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2020-11-29 20:34:58,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-11-29 20:34:58,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 103 transitions. [2020-11-29 20:34:58,901 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 103 transitions. Word has length 10 [2020-11-29 20:34:58,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:34:58,901 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 103 transitions. [2020-11-29 20:34:58,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:34:58,902 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 103 transitions. [2020-11-29 20:34:58,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 20:34:58,903 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:34:58,903 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:34:58,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:34:58,904 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:34:58,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:34:58,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1587773679, now seen corresponding path program 1 times [2020-11-29 20:34:58,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:34:58,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191510777] [2020-11-29 20:34:58,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:34:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:34:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:34:58,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191510777] [2020-11-29 20:34:58,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:34:58,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:34:58,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922226190] [2020-11-29 20:34:58,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:34:58,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:34:58,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:34:58,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:34:58,999 INFO L87 Difference]: Start difference. First operand 100 states and 103 transitions. Second operand 4 states. [2020-11-29 20:34:59,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:34:59,426 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions. [2020-11-29 20:34:59,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:34:59,427 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-29 20:34:59,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:34:59,429 INFO L225 Difference]: With dead ends: 107 [2020-11-29 20:34:59,429 INFO L226 Difference]: Without dead ends: 99 [2020-11-29 20:34:59,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:34:59,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-11-29 20:34:59,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 92. [2020-11-29 20:34:59,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-29 20:34:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 95 transitions. [2020-11-29 20:34:59,470 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 95 transitions. Word has length 11 [2020-11-29 20:34:59,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:34:59,470 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 95 transitions. [2020-11-29 20:34:59,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:34:59,471 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 95 transitions. [2020-11-29 20:34:59,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 20:34:59,472 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:34:59,472 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:34:59,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 20:34:59,474 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:34:59,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:34:59,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1965707700, now seen corresponding path program 1 times [2020-11-29 20:34:59,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:34:59,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492641637] [2020-11-29 20:34:59,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:34:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:34:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:34:59,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492641637] [2020-11-29 20:34:59,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:34:59,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:34:59,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552881578] [2020-11-29 20:34:59,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:34:59,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:34:59,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:34:59,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:34:59,582 INFO L87 Difference]: Start difference. First operand 92 states and 95 transitions. Second operand 4 states. [2020-11-29 20:34:59,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:34:59,834 INFO L93 Difference]: Finished difference Result 96 states and 101 transitions. [2020-11-29 20:34:59,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:34:59,835 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-29 20:34:59,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:34:59,837 INFO L225 Difference]: With dead ends: 96 [2020-11-29 20:34:59,838 INFO L226 Difference]: Without dead ends: 80 [2020-11-29 20:34:59,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:34:59,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-11-29 20:34:59,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2020-11-29 20:34:59,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-29 20:34:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2020-11-29 20:34:59,860 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 12 [2020-11-29 20:34:59,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:34:59,860 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2020-11-29 20:34:59,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:34:59,861 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2020-11-29 20:34:59,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 20:34:59,862 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:34:59,862 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:34:59,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 20:34:59,863 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:34:59,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:34:59,864 INFO L82 PathProgramCache]: Analyzing trace with hash -374371849, now seen corresponding path program 1 times [2020-11-29 20:34:59,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:34:59,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362858160] [2020-11-29 20:34:59,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:34:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:35:00,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:35:00,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362858160] [2020-11-29 20:35:00,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:35:00,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 20:35:00,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995718168] [2020-11-29 20:35:00,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:35:00,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:35:00,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:35:00,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:35:00,044 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 5 states. [2020-11-29 20:35:00,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:35:00,293 INFO L93 Difference]: Finished difference Result 80 states and 85 transitions. [2020-11-29 20:35:00,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 20:35:00,294 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-29 20:35:00,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:35:00,295 INFO L225 Difference]: With dead ends: 80 [2020-11-29 20:35:00,296 INFO L226 Difference]: Without dead ends: 72 [2020-11-29 20:35:00,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 20:35:00,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-11-29 20:35:00,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2020-11-29 20:35:00,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-11-29 20:35:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 71 transitions. [2020-11-29 20:35:00,311 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 71 transitions. Word has length 15 [2020-11-29 20:35:00,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:35:00,311 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 71 transitions. [2020-11-29 20:35:00,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:35:00,312 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2020-11-29 20:35:00,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 20:35:00,313 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:35:00,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:35:00,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 20:35:00,314 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:35:00,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:35:00,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1391394778, now seen corresponding path program 1 times [2020-11-29 20:35:00,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:35:00,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279208710] [2020-11-29 20:35:00,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:35:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:35:00,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:35:00,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279208710] [2020-11-29 20:35:00,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:35:00,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:35:00,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839303516] [2020-11-29 20:35:00,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:35:00,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:35:00,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:35:00,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:35:00,432 INFO L87 Difference]: Start difference. First operand 68 states and 71 transitions. Second operand 4 states. [2020-11-29 20:35:00,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:35:00,610 INFO L93 Difference]: Finished difference Result 73 states and 78 transitions. [2020-11-29 20:35:00,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:35:00,610 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-29 20:35:00,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:35:00,611 INFO L225 Difference]: With dead ends: 73 [2020-11-29 20:35:00,612 INFO L226 Difference]: Without dead ends: 57 [2020-11-29 20:35:00,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:35:00,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-29 20:35:00,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 52. [2020-11-29 20:35:00,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-29 20:35:00,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2020-11-29 20:35:00,628 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 17 [2020-11-29 20:35:00,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:35:00,628 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2020-11-29 20:35:00,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:35:00,629 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2020-11-29 20:35:00,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 20:35:00,632 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:35:00,633 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] [2020-11-29 20:35:00,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 20:35:00,635 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:35:00,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:35:00,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1367434176, now seen corresponding path program 1 times [2020-11-29 20:35:00,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:35:00,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676263346] [2020-11-29 20:35:00,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:35:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:35:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:35:00,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676263346] [2020-11-29 20:35:00,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:35:00,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:35:00,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627806808] [2020-11-29 20:35:00,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:35:00,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:35:00,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:35:00,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:35:00,807 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 4 states. [2020-11-29 20:35:00,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:35:00,988 INFO L93 Difference]: Finished difference Result 65 states and 70 transitions. [2020-11-29 20:35:00,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:35:00,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-11-29 20:35:00,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:35:00,992 INFO L225 Difference]: With dead ends: 65 [2020-11-29 20:35:00,992 INFO L226 Difference]: Without dead ends: 61 [2020-11-29 20:35:00,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:35:00,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-11-29 20:35:01,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 48. [2020-11-29 20:35:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-11-29 20:35:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2020-11-29 20:35:01,011 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 23 [2020-11-29 20:35:01,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:35:01,012 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2020-11-29 20:35:01,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:35:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2020-11-29 20:35:01,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 20:35:01,014 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:35:01,014 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] [2020-11-29 20:35:01,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 20:35:01,015 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:35:01,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:35:01,016 INFO L82 PathProgramCache]: Analyzing trace with hash 2116882854, now seen corresponding path program 1 times [2020-11-29 20:35:01,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:35:01,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032385726] [2020-11-29 20:35:01,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:35:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:35:01,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:35:01,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032385726] [2020-11-29 20:35:01,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:35:01,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 20:35:01,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869066430] [2020-11-29 20:35:01,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 20:35:01,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:35:01,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 20:35:01,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 20:35:01,192 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 6 states. [2020-11-29 20:35:01,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:35:01,423 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2020-11-29 20:35:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 20:35:01,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-11-29 20:35:01,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:35:01,424 INFO L225 Difference]: With dead ends: 54 [2020-11-29 20:35:01,424 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 20:35:01,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-11-29 20:35:01,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 20:35:01,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 20:35:01,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 20:35:01,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:35:01,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-11-29 20:35:01,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:35:01,427 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:35:01,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 20:35:01,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:35:01,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:35:01,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 20:35:01,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 20:35:02,330 INFO L270 CegarLoopResult]: At program point L18-17(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0)) [2020-11-29 20:35:02,330 INFO L270 CegarLoopResult]: At program point L35-2(lines 35 64) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (or (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0))) [2020-11-29 20:35:02,330 INFO L274 CegarLoopResult]: For program point L18-18(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,331 INFO L270 CegarLoopResult]: At program point L18-20(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 4) ULTIMATE.start_main_~bufsize~0)) [2020-11-29 20:35:02,331 INFO L274 CegarLoopResult]: For program point L18-21(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,332 INFO L270 CegarLoopResult]: At program point L18-23(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 4) ULTIMATE.start_main_~bufsize~0)) [2020-11-29 20:35:02,332 INFO L274 CegarLoopResult]: For program point L18-24(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,332 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,332 INFO L270 CegarLoopResult]: At program point L18-26(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 4) ULTIMATE.start_main_~bufsize~0)) [2020-11-29 20:35:02,333 INFO L274 CegarLoopResult]: For program point L18-27(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,333 INFO L270 CegarLoopResult]: At program point L18-29(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 4) ULTIMATE.start_main_~bufsize~0)) [2020-11-29 20:35:02,333 INFO L274 CegarLoopResult]: For program point L18-30(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,333 INFO L274 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,333 INFO L274 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,333 INFO L270 CegarLoopResult]: At program point L18-32(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0)) [2020-11-29 20:35:02,334 INFO L274 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,334 INFO L274 CegarLoopResult]: For program point L18-33(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,334 INFO L274 CegarLoopResult]: For program point L19-3(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,334 INFO L274 CegarLoopResult]: For program point L19-4(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,334 INFO L270 CegarLoopResult]: At program point L18-35(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0)) [2020-11-29 20:35:02,334 INFO L274 CegarLoopResult]: For program point L19-5(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,334 INFO L274 CegarLoopResult]: For program point L18-36(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,334 INFO L274 CegarLoopResult]: For program point L19-6(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,334 INFO L274 CegarLoopResult]: For program point L19-7(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,335 INFO L270 CegarLoopResult]: At program point L18-38(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0)) [2020-11-29 20:35:02,335 INFO L274 CegarLoopResult]: For program point L19-8(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,335 INFO L274 CegarLoopResult]: For program point L18-39(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,335 INFO L274 CegarLoopResult]: For program point L19-9(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,335 INFO L274 CegarLoopResult]: For program point L19-10(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,335 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,336 INFO L270 CegarLoopResult]: At program point L18-41(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0)) [2020-11-29 20:35:02,336 INFO L274 CegarLoopResult]: For program point L19-11(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,336 INFO L274 CegarLoopResult]: For program point L18-42(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,336 INFO L274 CegarLoopResult]: For program point L19-12(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,336 INFO L274 CegarLoopResult]: For program point L19-13(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,336 INFO L270 CegarLoopResult]: At program point L18-44(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0)) [2020-11-29 20:35:02,337 INFO L274 CegarLoopResult]: For program point L19-14(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,337 INFO L274 CegarLoopResult]: For program point L18-45(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,337 INFO L274 CegarLoopResult]: For program point L36(lines 36 63) no Hoare annotation was computed. [2020-11-29 20:35:02,337 INFO L274 CegarLoopResult]: For program point L19-15(line 19) no Hoare annotation was computed. [2020-11-29 20:35:02,337 INFO L270 CegarLoopResult]: At program point L18-47(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0)) [2020-11-29 20:35:02,337 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 20:35:02,338 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,338 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,338 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-11-29 20:35:02,338 INFO L270 CegarLoopResult]: At program point L56(lines 36 63) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0)) [2020-11-29 20:35:02,338 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,338 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 20:35:02,338 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,339 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,339 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,339 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,339 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,339 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 20:35:02,339 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,339 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,340 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,340 INFO L274 CegarLoopResult]: For program point L12-3(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,340 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,340 INFO L274 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,340 INFO L274 CegarLoopResult]: For program point L12-7(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,340 INFO L274 CegarLoopResult]: For program point L12-8(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,340 INFO L274 CegarLoopResult]: For program point L12-10(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,340 INFO L274 CegarLoopResult]: For program point L12-11(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,341 INFO L274 CegarLoopResult]: For program point L12-12(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,341 INFO L274 CegarLoopResult]: For program point L12-14(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,341 INFO L274 CegarLoopResult]: For program point L12-15(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,341 INFO L274 CegarLoopResult]: For program point L12-16(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,341 INFO L274 CegarLoopResult]: For program point L12-18(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,344 INFO L274 CegarLoopResult]: For program point L12-19(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,344 INFO L274 CegarLoopResult]: For program point L12-20(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,345 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,345 INFO L274 CegarLoopResult]: For program point L12-22(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,345 INFO L274 CegarLoopResult]: For program point L12-23(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,345 INFO L274 CegarLoopResult]: For program point L12-24(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,346 INFO L274 CegarLoopResult]: For program point L12-26(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,346 INFO L274 CegarLoopResult]: For program point L12-27(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,346 INFO L274 CegarLoopResult]: For program point L12-28(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,346 INFO L274 CegarLoopResult]: For program point L12-30(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,346 INFO L274 CegarLoopResult]: For program point L12-31(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,347 INFO L274 CegarLoopResult]: For program point L12-32(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,347 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,347 INFO L274 CegarLoopResult]: For program point L12-34(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,347 INFO L274 CegarLoopResult]: For program point L12-35(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,348 INFO L274 CegarLoopResult]: For program point L12-36(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,348 INFO L274 CegarLoopResult]: For program point L12-38(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,348 INFO L274 CegarLoopResult]: For program point L12-39(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,348 INFO L274 CegarLoopResult]: For program point L12-40(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,348 INFO L274 CegarLoopResult]: For program point L12-42(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,349 INFO L274 CegarLoopResult]: For program point L12-43(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,349 INFO L274 CegarLoopResult]: For program point L12-44(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,349 INFO L274 CegarLoopResult]: For program point L12-46(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,349 INFO L274 CegarLoopResult]: For program point L12-47(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,349 INFO L274 CegarLoopResult]: For program point L12-48(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,350 INFO L274 CegarLoopResult]: For program point L12-50(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,350 INFO L274 CegarLoopResult]: For program point L12-51(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,350 INFO L274 CegarLoopResult]: For program point L12-52(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,350 INFO L274 CegarLoopResult]: For program point L12-54(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,351 INFO L274 CegarLoopResult]: For program point L12-55(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,351 INFO L274 CegarLoopResult]: For program point L12-56(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,351 INFO L274 CegarLoopResult]: For program point L12-58(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,351 INFO L274 CegarLoopResult]: For program point L12-59(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,352 INFO L274 CegarLoopResult]: For program point L12-60(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,352 INFO L274 CegarLoopResult]: For program point L12-62(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,352 INFO L274 CegarLoopResult]: For program point L12-63(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,352 INFO L274 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-11-29 20:35:02,352 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,353 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 20:35:02,353 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,353 INFO L277 CegarLoopResult]: At program point L66(lines 24 67) the Hoare annotation is: true [2020-11-29 20:35:02,354 INFO L270 CegarLoopResult]: At program point L34-2(lines 34 65) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0)) [2020-11-29 20:35:02,354 INFO L274 CegarLoopResult]: For program point L34-3(lines 34 65) no Hoare annotation was computed. [2020-11-29 20:35:02,354 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:35:02,354 INFO L274 CegarLoopResult]: For program point L18(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,355 INFO L270 CegarLoopResult]: At program point L18-2(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0)) [2020-11-29 20:35:02,355 INFO L274 CegarLoopResult]: For program point L18-3(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,355 INFO L270 CegarLoopResult]: At program point L18-5(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0)) [2020-11-29 20:35:02,355 INFO L274 CegarLoopResult]: For program point L18-6(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,356 INFO L270 CegarLoopResult]: At program point L18-8(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0)) [2020-11-29 20:35:02,356 INFO L274 CegarLoopResult]: For program point L18-9(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,356 INFO L270 CegarLoopResult]: At program point L18-11(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0)) [2020-11-29 20:35:02,357 INFO L274 CegarLoopResult]: For program point L18-12(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,357 INFO L270 CegarLoopResult]: At program point L18-14(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0)) [2020-11-29 20:35:02,357 INFO L274 CegarLoopResult]: For program point L18-15(lines 18 20) no Hoare annotation was computed. [2020-11-29 20:35:02,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:35:02 BoogieIcfgContainer [2020-11-29 20:35:02,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:35:02,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:35:02,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:35:02,395 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:35:02,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:34:58" (3/4) ... [2020-11-29 20:35:02,400 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:35:02,420 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 20:35:02,421 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 20:35:02,422 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:35:02,423 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:35:02,538 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8994d09d-89a1-4a75-b5c2-392763b7d940/bin/uautomizer/witness.graphml [2020-11-29 20:35:02,538 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:35:02,541 INFO L168 Benchmark]: Toolchain (without parser) took 6042.55 ms. Allocated memory was 75.5 MB in the beginning and 123.7 MB in the end (delta: 48.2 MB). Free memory was 41.6 MB in the beginning and 79.6 MB in the end (delta: -38.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:35:02,542 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 75.5 MB. Free memory was 57.7 MB in the beginning and 57.7 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:35:02,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.13 ms. Allocated memory was 75.5 MB in the beginning and 102.8 MB in the end (delta: 27.3 MB). Free memory was 41.4 MB in the beginning and 77.8 MB in the end (delta: -36.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:35:02,543 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.05 ms. Allocated memory is still 102.8 MB. Free memory was 77.8 MB in the beginning and 75.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:35:02,544 INFO L168 Benchmark]: Boogie Preprocessor took 81.68 ms. Allocated memory is still 102.8 MB. Free memory was 75.6 MB in the beginning and 74.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:35:02,545 INFO L168 Benchmark]: RCFGBuilder took 944.93 ms. Allocated memory is still 102.8 MB. Free memory was 74.0 MB in the beginning and 75.4 MB in the end (delta: -1.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:35:02,545 INFO L168 Benchmark]: TraceAbstraction took 4299.24 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 74.9 MB in the beginning and 84.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 51.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:35:02,546 INFO L168 Benchmark]: Witness Printer took 144.62 ms. Allocated memory is still 123.7 MB. Free memory was 84.8 MB in the beginning and 79.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:35:02,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 75.5 MB. Free memory was 57.7 MB in the beginning and 57.7 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 451.13 ms. Allocated memory was 75.5 MB in the beginning and 102.8 MB in the end (delta: 27.3 MB). Free memory was 41.4 MB in the beginning and 77.8 MB in the end (delta: -36.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.05 ms. Allocated memory is still 102.8 MB. Free memory was 77.8 MB in the beginning and 75.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.68 ms. Allocated memory is still 102.8 MB. Free memory was 75.6 MB in the beginning and 74.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 944.93 ms. Allocated memory is still 102.8 MB. Free memory was 74.0 MB in the beginning and 75.4 MB in the end (delta: -1.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4299.24 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 74.9 MB in the beginning and 84.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 51.3 MB. Max. memory is 16.1 GB. * Witness Printer took 144.62 ms. Allocated memory is still 123.7 MB. Free memory was 84.8 MB in the beginning and 79.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 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 - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 16 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && i + 2 <= len) && j + 5 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 4 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 5 <= bufsize) && i < len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && i + 2 <= len) && j + 5 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 4 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 5 <= bufsize) && i < len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && i + 2 <= len) && j + 5 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 4 <= bufsize - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 0 <= i && limit + 4 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && i + 2 <= len) && j + 5 <= bufsize - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((0 <= i && 0 <= j) && limit + 4 <= bufsize) && (!(0 == cond) || i < len) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 5 <= bufsize) && i < len - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && i + 2 <= len) && j + 5 <= bufsize - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((0 <= i && 0 <= j) && limit + 4 <= bufsize) && i < len) && j + 5 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 4 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 5 <= bufsize) && i < len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && i + 2 <= len) && j + 5 <= bufsize - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 450 SDtfs, 374 SDslu, 287 SDs, 0 SdLazy, 329 SolverSat, 177 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 37 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 46 NumberOfFragments, 418 HoareAnnotationTreeSize, 20 FomulaSimplifications, 3486 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 20 FomulaSimplificationsInter, 276 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 6368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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...