./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4412f873965d7271481a31165cef4693811ec350 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 07:35:45,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 07:35:45,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 07:35:45,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 07:35:45,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 07:35:45,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 07:35:45,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 07:35:45,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 07:35:45,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 07:35:45,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 07:35:45,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 07:35:45,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 07:35:45,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 07:35:45,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 07:35:45,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 07:35:45,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 07:35:45,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 07:35:45,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 07:35:45,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 07:35:45,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 07:35:45,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 07:35:45,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 07:35:45,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 07:35:45,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 07:35:45,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 07:35:45,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 07:35:45,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 07:35:45,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 07:35:45,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 07:35:45,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 07:35:45,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 07:35:45,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 07:35:45,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 07:35:45,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 07:35:45,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 07:35:45,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 07:35:45,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 07:35:45,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 07:35:45,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 07:35:45,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 07:35:45,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 07:35:45,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-12-09 07:35:45,717 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 07:35:45,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 07:35:45,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 07:35:45,718 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 07:35:45,718 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 07:35:45,718 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 07:35:45,718 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 07:35:45,718 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 07:35:45,718 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 07:35:45,719 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 07:35:45,719 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 07:35:45,719 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 07:35:45,719 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 07:35:45,719 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 07:35:45,719 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 07:35:45,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 07:35:45,720 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 07:35:45,720 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 07:35:45,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 07:35:45,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 07:35:45,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 07:35:45,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 07:35:45,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 07:35:45,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 07:35:45,721 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-09 07:35:45,721 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 07:35:45,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 07:35:45,721 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 07:35:45,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 07:35:45,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 07:35:45,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 07:35:45,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 07:35:45,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 07:35:45,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 07:35:45,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 07:35:45,722 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 07:35:45,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 07:35:45,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 07:35:45,722 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 07:35:45,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 07:35:45,723 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4412f873965d7271481a31165cef4693811ec350 [2020-12-09 07:35:45,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 07:35:45,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 07:35:45,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 07:35:45,918 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 07:35:45,919 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 07:35:45,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2020-12-09 07:35:45,962 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan/data/d30765f90/8bef8bca4ad74b1d8224788c112ea0f1/FLAGc00c5077d [2020-12-09 07:35:46,332 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 07:35:46,332 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2020-12-09 07:35:46,343 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan/data/d30765f90/8bef8bca4ad74b1d8224788c112ea0f1/FLAGc00c5077d [2020-12-09 07:35:46,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan/data/d30765f90/8bef8bca4ad74b1d8224788c112ea0f1 [2020-12-09 07:35:46,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 07:35:46,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 07:35:46,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 07:35:46,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 07:35:46,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 07:35:46,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:35:46" (1/1) ... [2020-12-09 07:35:46,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e7d167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:46, skipping insertion in model container [2020-12-09 07:35:46,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:35:46" (1/1) ... [2020-12-09 07:35:46,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 07:35:46,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 07:35:46,574 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44542,44555] [2020-12-09 07:35:46,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:35:46,584 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 07:35:46,622 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44542,44555] [2020-12-09 07:35:46,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:35:46,634 INFO L208 MainTranslator]: Completed translation [2020-12-09 07:35:46,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:46 WrapperNode [2020-12-09 07:35:46,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 07:35:46,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 07:35:46,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 07:35:46,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 07:35:46,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:46" (1/1) ... [2020-12-09 07:35:46,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:46" (1/1) ... [2020-12-09 07:35:46,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 07:35:46,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 07:35:46,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 07:35:46,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 07:35:46,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:46" (1/1) ... [2020-12-09 07:35:46,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:46" (1/1) ... [2020-12-09 07:35:46,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:46" (1/1) ... [2020-12-09 07:35:46,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:46" (1/1) ... [2020-12-09 07:35:46,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:46" (1/1) ... [2020-12-09 07:35:46,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:46" (1/1) ... [2020-12-09 07:35:46,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:46" (1/1) ... [2020-12-09 07:35:46,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 07:35:46,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 07:35:46,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 07:35:46,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 07:35:46,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 07:35:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 07:35:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 07:35:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 07:35:46,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 07:35:46,864 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 07:35:47,188 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-12-09 07:35:47,188 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-12-09 07:35:47,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 07:35:47,412 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 07:35:47,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:35:47 BoogieIcfgContainer [2020-12-09 07:35:47,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 07:35:47,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 07:35:47,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 07:35:47,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 07:35:47,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:35:46" (1/3) ... [2020-12-09 07:35:47,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db440d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:35:47, skipping insertion in model container [2020-12-09 07:35:47,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:46" (2/3) ... [2020-12-09 07:35:47,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db440d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:35:47, skipping insertion in model container [2020-12-09 07:35:47,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:35:47" (3/3) ... [2020-12-09 07:35:47,419 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a.BV.c.cil.c [2020-12-09 07:35:47,429 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 07:35:47,432 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-12-09 07:35:47,442 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-09 07:35:47,463 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 07:35:47,464 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 07:35:47,464 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 07:35:47,464 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 07:35:47,464 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 07:35:47,464 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 07:35:47,464 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 07:35:47,464 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 07:35:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-12-09 07:35:47,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 07:35:47,480 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:35:47,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 07:35:47,481 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 07:35:47,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:35:47,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1450380971, now seen corresponding path program 1 times [2020-12-09 07:35:47,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:35:47,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622933567] [2020-12-09 07:35:47,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:35:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:35:47,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:35:47,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622933567] [2020-12-09 07:35:47,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:35:47,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 07:35:47,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24251869] [2020-12-09 07:35:47,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 07:35:47,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:35:47,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 07:35:47,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 07:35:47,644 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-12-09 07:35:47,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:35:47,668 INFO L93 Difference]: Finished difference Result 206 states and 355 transitions. [2020-12-09 07:35:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 07:35:47,669 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-09 07:35:47,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:35:47,674 INFO L225 Difference]: With dead ends: 206 [2020-12-09 07:35:47,674 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 07:35:47,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 07:35:47,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 07:35:47,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 07:35:47,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 07:35:47,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 07:35:47,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-12-09 07:35:47,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:35:47,698 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 07:35:47,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 07:35:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 07:35:47,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 07:35:47,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 07:35:47,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 07:35:47,732 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 270) no Hoare annotation was computed. [2020-12-09 07:35:47,732 INFO L262 CegarLoopResult]: For program point L630(lines 630 658) no Hoare annotation was computed. [2020-12-09 07:35:47,733 INFO L262 CegarLoopResult]: For program point L399(lines 399 405) no Hoare annotation was computed. [2020-12-09 07:35:47,733 INFO L262 CegarLoopResult]: For program point L366(lines 366 385) no Hoare annotation was computed. [2020-12-09 07:35:47,733 INFO L262 CegarLoopResult]: For program point L267(line 267) no Hoare annotation was computed. [2020-12-09 07:35:47,733 INFO L262 CegarLoopResult]: For program point L631(lines 631 655) no Hoare annotation was computed. [2020-12-09 07:35:47,733 INFO L262 CegarLoopResult]: For program point L499(lines 499 503) no Hoare annotation was computed. [2020-12-09 07:35:47,733 INFO L262 CegarLoopResult]: For program point L532-2(lines 213 591) no Hoare annotation was computed. [2020-12-09 07:35:47,733 INFO L262 CegarLoopResult]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2020-12-09 07:35:47,734 INFO L262 CegarLoopResult]: For program point L268(line 268) no Hoare annotation was computed. [2020-12-09 07:35:47,734 INFO L262 CegarLoopResult]: For program point L235(lines 235 240) no Hoare annotation was computed. [2020-12-09 07:35:47,734 INFO L262 CegarLoopResult]: For program point L268-1(line 268) no Hoare annotation was computed. [2020-12-09 07:35:47,734 INFO L262 CegarLoopResult]: For program point L202(lines 202 597) no Hoare annotation was computed. [2020-12-09 07:35:47,734 INFO L262 CegarLoopResult]: For program point L169(lines 169 608) no Hoare annotation was computed. [2020-12-09 07:35:47,734 INFO L262 CegarLoopResult]: For program point L136(lines 136 619) no Hoare annotation was computed. [2020-12-09 07:35:47,734 INFO L265 CegarLoopResult]: At program point L103-2(lines 103 660) the Hoare annotation is: true [2020-12-09 07:35:47,735 INFO L262 CegarLoopResult]: For program point L632(lines 632 641) no Hoare annotation was computed. [2020-12-09 07:35:47,735 INFO L262 CegarLoopResult]: For program point L632-2(lines 631 653) no Hoare annotation was computed. [2020-12-09 07:35:47,735 INFO L262 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-12-09 07:35:47,735 INFO L262 CegarLoopResult]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2020-12-09 07:35:47,735 INFO L265 CegarLoopResult]: At program point L170(lines 169 608) the Hoare annotation is: true [2020-12-09 07:35:47,735 INFO L265 CegarLoopResult]: At program point L137(lines 130 621) the Hoare annotation is: true [2020-12-09 07:35:47,735 INFO L262 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-12-09 07:35:47,735 INFO L262 CegarLoopResult]: For program point L270-1(line 270) no Hoare annotation was computed. [2020-12-09 07:35:47,736 INFO L262 CegarLoopResult]: For program point L634(lines 634 638) no Hoare annotation was computed. [2020-12-09 07:35:47,736 INFO L265 CegarLoopResult]: At program point L205(lines 205 596) the Hoare annotation is: true [2020-12-09 07:35:47,736 INFO L262 CegarLoopResult]: For program point L172(lines 172 607) no Hoare annotation was computed. [2020-12-09 07:35:47,736 INFO L262 CegarLoopResult]: For program point L139(lines 139 618) no Hoare annotation was computed. [2020-12-09 07:35:47,736 INFO L265 CegarLoopResult]: At program point L106(lines 106 629) the Hoare annotation is: true [2020-12-09 07:35:47,736 INFO L265 CegarLoopResult]: At program point L206(lines 202 597) the Hoare annotation is: true [2020-12-09 07:35:47,736 INFO L262 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-12-09 07:35:47,737 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 268) no Hoare annotation was computed. [2020-12-09 07:35:47,737 INFO L262 CegarLoopResult]: For program point L472(lines 472 483) no Hoare annotation was computed. [2020-12-09 07:35:47,737 INFO L262 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-12-09 07:35:47,737 INFO L265 CegarLoopResult]: At program point L373(lines 356 391) the Hoare annotation is: true [2020-12-09 07:35:47,737 INFO L262 CegarLoopResult]: For program point L241(lines 241 246) no Hoare annotation was computed. [2020-12-09 07:35:47,737 INFO L262 CegarLoopResult]: For program point L175(lines 175 606) no Hoare annotation was computed. [2020-12-09 07:35:47,737 INFO L262 CegarLoopResult]: For program point L142(lines 142 617) no Hoare annotation was computed. [2020-12-09 07:35:47,737 INFO L262 CegarLoopResult]: For program point L109(lines 109 628) no Hoare annotation was computed. [2020-12-09 07:35:47,737 INFO L265 CegarLoopResult]: At program point L407(lines 398 429) the Hoare annotation is: true [2020-12-09 07:35:47,738 INFO L265 CegarLoopResult]: At program point L176(lines 172 607) the Hoare annotation is: true [2020-12-09 07:35:47,738 INFO L265 CegarLoopResult]: At program point L143(lines 139 618) the Hoare annotation is: true [2020-12-09 07:35:47,738 INFO L262 CegarLoopResult]: For program point L375(lines 375 379) no Hoare annotation was computed. [2020-12-09 07:35:47,738 INFO L262 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-12-09 07:35:47,738 INFO L262 CegarLoopResult]: For program point L178(lines 178 605) no Hoare annotation was computed. [2020-12-09 07:35:47,738 INFO L262 CegarLoopResult]: For program point L145(lines 145 616) no Hoare annotation was computed. [2020-12-09 07:35:47,738 INFO L262 CegarLoopResult]: For program point L112(lines 112 627) no Hoare annotation was computed. [2020-12-09 07:35:47,738 INFO L262 CegarLoopResult]: For program point L476(lines 476 480) no Hoare annotation was computed. [2020-12-09 07:35:47,739 INFO L262 CegarLoopResult]: For program point L278(lines 278 282) no Hoare annotation was computed. [2020-12-09 07:35:47,739 INFO L262 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-12-09 07:35:47,739 INFO L265 CegarLoopResult]: At program point L676(lines 68 678) the Hoare annotation is: true [2020-12-09 07:35:47,739 INFO L262 CegarLoopResult]: For program point L544(lines 544 549) no Hoare annotation was computed. [2020-12-09 07:35:47,739 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 270) no Hoare annotation was computed. [2020-12-09 07:35:47,739 INFO L262 CegarLoopResult]: For program point L181(lines 181 604) no Hoare annotation was computed. [2020-12-09 07:35:47,739 INFO L262 CegarLoopResult]: For program point L148(lines 148 615) no Hoare annotation was computed. [2020-12-09 07:35:47,740 INFO L262 CegarLoopResult]: For program point L115(lines 115 626) no Hoare annotation was computed. [2020-12-09 07:35:47,740 INFO L265 CegarLoopResult]: At program point L182(lines 178 605) the Hoare annotation is: true [2020-12-09 07:35:47,740 INFO L265 CegarLoopResult]: At program point L149(lines 145 616) the Hoare annotation is: true [2020-12-09 07:35:47,740 INFO L262 CegarLoopResult]: For program point L315-2(lines 213 591) no Hoare annotation was computed. [2020-12-09 07:35:47,740 INFO L265 CegarLoopResult]: At program point L216(lines 109 628) the Hoare annotation is: true [2020-12-09 07:35:47,740 INFO L262 CegarLoopResult]: For program point L184(lines 184 603) no Hoare annotation was computed. [2020-12-09 07:35:47,740 INFO L262 CegarLoopResult]: For program point L151(lines 151 614) no Hoare annotation was computed. [2020-12-09 07:35:47,745 INFO L262 CegarLoopResult]: For program point L118(lines 118 625) no Hoare annotation was computed. [2020-12-09 07:35:47,745 INFO L262 CegarLoopResult]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2020-12-09 07:35:47,745 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 07:35:47,745 INFO L265 CegarLoopResult]: At program point L417(lines 408 428) the Hoare annotation is: true [2020-12-09 07:35:47,746 INFO L262 CegarLoopResult]: For program point L351-2(lines 213 591) no Hoare annotation was computed. [2020-12-09 07:35:47,746 INFO L262 CegarLoopResult]: For program point L87-1(lines 68 678) no Hoare annotation was computed. [2020-12-09 07:35:47,746 INFO L262 CegarLoopResult]: For program point L187(lines 187 602) no Hoare annotation was computed. [2020-12-09 07:35:47,746 INFO L262 CegarLoopResult]: For program point L154(lines 154 613) no Hoare annotation was computed. [2020-12-09 07:35:47,746 INFO L262 CegarLoopResult]: For program point L121(lines 121 624) no Hoare annotation was computed. [2020-12-09 07:35:47,746 INFO L262 CegarLoopResult]: For program point L452(lines 452 457) no Hoare annotation was computed. [2020-12-09 07:35:47,746 INFO L265 CegarLoopResult]: At program point L188(lines 184 603) the Hoare annotation is: true [2020-12-09 07:35:47,746 INFO L265 CegarLoopResult]: At program point L155(lines 151 614) the Hoare annotation is: true [2020-12-09 07:35:47,746 INFO L262 CegarLoopResult]: For program point L221-2(lines 213 591) no Hoare annotation was computed. [2020-12-09 07:35:47,747 INFO L262 CegarLoopResult]: For program point L420(lines 420 424) no Hoare annotation was computed. [2020-12-09 07:35:47,747 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 07:35:47,747 INFO L262 CegarLoopResult]: For program point L190(lines 190 601) no Hoare annotation was computed. [2020-12-09 07:35:47,747 INFO L262 CegarLoopResult]: For program point L157(lines 157 612) no Hoare annotation was computed. [2020-12-09 07:35:47,747 INFO L262 CegarLoopResult]: For program point L124(lines 124 623) no Hoare annotation was computed. [2020-12-09 07:35:47,747 INFO L265 CegarLoopResult]: At program point L554(lines 554 558) the Hoare annotation is: true [2020-12-09 07:35:47,747 INFO L262 CegarLoopResult]: For program point L488(lines 488 492) no Hoare annotation was computed. [2020-12-09 07:35:47,747 INFO L265 CegarLoopResult]: At program point L125(lines 121 624) the Hoare annotation is: true [2020-12-09 07:35:47,747 INFO L262 CegarLoopResult]: For program point L258(lines 258 272) no Hoare annotation was computed. [2020-12-09 07:35:47,747 INFO L262 CegarLoopResult]: For program point L259(lines 259 264) no Hoare annotation was computed. [2020-12-09 07:35:47,747 INFO L262 CegarLoopResult]: For program point L193(lines 193 600) no Hoare annotation was computed. [2020-12-09 07:35:47,748 INFO L262 CegarLoopResult]: For program point L160(lines 160 611) no Hoare annotation was computed. [2020-12-09 07:35:47,748 INFO L265 CegarLoopResult]: At program point L127(lines 127 622) the Hoare annotation is: true [2020-12-09 07:35:47,748 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 267) no Hoare annotation was computed. [2020-12-09 07:35:47,748 INFO L262 CegarLoopResult]: For program point L359(lines 359 390) no Hoare annotation was computed. [2020-12-09 07:35:47,748 INFO L265 CegarLoopResult]: At program point L194(lines 190 601) the Hoare annotation is: true [2020-12-09 07:35:47,748 INFO L265 CegarLoopResult]: At program point L161(lines 157 612) the Hoare annotation is: true [2020-12-09 07:35:47,748 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 268) no Hoare annotation was computed. [2020-12-09 07:35:47,748 INFO L262 CegarLoopResult]: For program point L525(lines 525 530) no Hoare annotation was computed. [2020-12-09 07:35:47,748 INFO L265 CegarLoopResult]: At program point L592(lines 103 660) the Hoare annotation is: true [2020-12-09 07:35:47,748 INFO L262 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-12-09 07:35:47,749 INFO L262 CegarLoopResult]: For program point L295-2(lines 213 591) no Hoare annotation was computed. [2020-12-09 07:35:47,749 INFO L262 CegarLoopResult]: For program point L196(lines 196 599) no Hoare annotation was computed. [2020-12-09 07:35:47,749 INFO L262 CegarLoopResult]: For program point L163(lines 163 610) no Hoare annotation was computed. [2020-12-09 07:35:47,749 INFO L262 CegarLoopResult]: For program point L130(lines 130 621) no Hoare annotation was computed. [2020-12-09 07:35:47,749 INFO L262 CegarLoopResult]: For program point L362(lines 362 389) no Hoare annotation was computed. [2020-12-09 07:35:47,749 INFO L262 CegarLoopResult]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2020-12-09 07:35:47,749 INFO L262 CegarLoopResult]: For program point L363(lines 363 386) no Hoare annotation was computed. [2020-12-09 07:35:47,749 INFO L265 CegarLoopResult]: At program point L661(lines 102 662) the Hoare annotation is: true [2020-12-09 07:35:47,749 INFO L262 CegarLoopResult]: For program point L199(lines 199 598) no Hoare annotation was computed. [2020-12-09 07:35:47,749 INFO L262 CegarLoopResult]: For program point L166(lines 166 609) no Hoare annotation was computed. [2020-12-09 07:35:47,749 INFO L262 CegarLoopResult]: For program point L133(lines 133 620) no Hoare annotation was computed. [2020-12-09 07:35:47,750 INFO L262 CegarLoopResult]: For program point L398(lines 398 429) no Hoare annotation was computed. [2020-12-09 07:35:47,750 INFO L262 CegarLoopResult]: For program point L233(lines 233 250) no Hoare annotation was computed. [2020-12-09 07:35:47,750 INFO L265 CegarLoopResult]: At program point L200(lines 196 599) the Hoare annotation is: true [2020-12-09 07:35:47,750 INFO L265 CegarLoopResult]: At program point L167(lines 163 610) the Hoare annotation is: true [2020-12-09 07:35:47,750 INFO L262 CegarLoopResult]: For program point L233-2(lines 213 591) no Hoare annotation was computed. [2020-12-09 07:35:47,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:35:47 BoogieIcfgContainer [2020-12-09 07:35:47,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 07:35:47,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 07:35:47,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 07:35:47,759 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 07:35:47,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:35:47" (3/4) ... [2020-12-09 07:35:47,762 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 07:35:47,775 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2020-12-09 07:35:47,776 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-09 07:35:47,777 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 07:35:47,778 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 07:35:47,855 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_255a7852-e277-4d06-8305-d95bda96edf5/bin/utaipan/witness.graphml [2020-12-09 07:35:47,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 07:35:47,857 INFO L168 Benchmark]: Toolchain (without parser) took 1491.33 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 63.3 MB in the beginning and 70.5 MB in the end (delta: -7.2 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2020-12-09 07:35:47,857 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 83.9 MB. Free memory is still 59.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 07:35:47,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.26 ms. Allocated memory is still 83.9 MB. Free memory was 63.1 MB in the beginning and 48.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 07:35:47,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.19 ms. Allocated memory is still 83.9 MB. Free memory was 48.1 MB in the beginning and 45.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 07:35:47,858 INFO L168 Benchmark]: Boogie Preprocessor took 27.90 ms. Allocated memory is still 83.9 MB. Free memory was 45.3 MB in the beginning and 43.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 07:35:47,858 INFO L168 Benchmark]: RCFGBuilder took 710.60 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 43.2 MB in the beginning and 67.4 MB in the end (delta: -24.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2020-12-09 07:35:47,859 INFO L168 Benchmark]: TraceAbstraction took 343.35 ms. Allocated memory is still 107.0 MB. Free memory was 67.4 MB in the beginning and 79.7 MB in the end (delta: -12.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-12-09 07:35:47,859 INFO L168 Benchmark]: Witness Printer took 96.91 ms. Allocated memory is still 107.0 MB. Free memory was 79.7 MB in the beginning and 70.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 07:35:47,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 83.9 MB. Free memory is still 59.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 268.26 ms. Allocated memory is still 83.9 MB. Free memory was 63.1 MB in the beginning and 48.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.19 ms. Allocated memory is still 83.9 MB. Free memory was 48.1 MB in the beginning and 45.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.90 ms. Allocated memory is still 83.9 MB. Free memory was 45.3 MB in the beginning and 43.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 710.60 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 43.2 MB in the beginning and 67.4 MB in the end (delta: -24.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 343.35 ms. Allocated memory is still 107.0 MB. Free memory was 67.4 MB in the beginning and 79.7 MB in the end (delta: -12.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 96.91 ms. Allocated memory is still 107.0 MB. Free memory was 79.7 MB in the beginning and 70.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 267]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 165 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 52 NumberOfFragments, 26 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...