./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cf66c963cee9d423d7bbfded96bc288d1ae256e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cf66c963cee9d423d7bbfded96bc288d1ae256e ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:31:52,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:31:52,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:31:52,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:31:52,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:31:52,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:31:52,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:31:52,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:31:52,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:31:52,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:31:52,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:31:52,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:31:52,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:31:52,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:31:52,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:31:52,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:31:52,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:31:52,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:31:52,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:31:52,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:31:52,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:31:52,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:31:52,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:31:52,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:31:52,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:31:52,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:31:52,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:31:52,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:31:52,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:31:52,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:31:52,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:31:52,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:31:52,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:31:52,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:31:52,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:31:52,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:31:52,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:31:52,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:31:52,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:31:52,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:31:52,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:31:52,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:31:52,817 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:31:52,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:31:52,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:31:52,822 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:31:52,822 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:31:52,822 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:31:52,823 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:31:52,823 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:31:52,823 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:31:52,824 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:31:52,825 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:31:52,825 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:31:52,826 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:31:52,826 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:31:52,826 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:31:52,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:31:52,827 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:31:52,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:31:52,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:31:52,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:31:52,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:31:52,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:31:52,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:31:52,829 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:31:52,830 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:31:52,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:31:52,830 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:31:52,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:31:52,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:31:52,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:31:52,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:31:52,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:31:52,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:31:52,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:31:52,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:31:52,835 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:31:52,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:31:52,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:31:52,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:31:52,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:31:52,836 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_40c85140-3012-4774-9085-726d085692e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf66c963cee9d423d7bbfded96bc288d1ae256e [2020-11-28 07:31:53,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:31:53,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:31:53,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:31:53,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:31:53,226 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:31:53,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2020-11-28 07:31:53,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/data/b6deb8181/c4759ad8f8f547e7823f4332675eaf81/FLAGd794bccc6 [2020-11-28 07:31:53,796 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:31:53,797 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2020-11-28 07:31:53,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/data/b6deb8181/c4759ad8f8f547e7823f4332675eaf81/FLAGd794bccc6 [2020-11-28 07:31:54,188 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/data/b6deb8181/c4759ad8f8f547e7823f4332675eaf81 [2020-11-28 07:31:54,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:31:54,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:31:54,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:31:54,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:31:54,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:31:54,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:31:54" (1/1) ... [2020-11-28 07:31:54,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af49191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:54, skipping insertion in model container [2020-11-28 07:31:54,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:31:54" (1/1) ... [2020-11-28 07:31:54,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:31:54,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:31:54,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:31:54,409 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:31:54,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:31:54,436 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:31:54,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:54 WrapperNode [2020-11-28 07:31:54,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:31:54,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:31:54,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:31:54,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:31:54,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:54" (1/1) ... [2020-11-28 07:31:54,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:54" (1/1) ... [2020-11-28 07:31:54,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:31:54,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:31:54,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:31:54,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:31:54,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:54" (1/1) ... [2020-11-28 07:31:54,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:54" (1/1) ... [2020-11-28 07:31:54,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:54" (1/1) ... [2020-11-28 07:31:54,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:54" (1/1) ... [2020-11-28 07:31:54,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:54" (1/1) ... [2020-11-28 07:31:54,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:54" (1/1) ... [2020-11-28 07:31:54,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:54" (1/1) ... [2020-11-28 07:31:54,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:31:54,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:31:54,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:31:54,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:31:54,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/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 [2020-11-28 07:31:54,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:31:54,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:31:54,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:31:54,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:31:54,883 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:31:54,884 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 07:31:54,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:31:54 BoogieIcfgContainer [2020-11-28 07:31:54,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:31:54,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:31:54,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:31:54,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:31:54,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:31:54" (1/3) ... [2020-11-28 07:31:54,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16815486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:31:54, skipping insertion in model container [2020-11-28 07:31:54,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:54" (2/3) ... [2020-11-28 07:31:54,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16815486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:31:54, skipping insertion in model container [2020-11-28 07:31:54,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:31:54" (3/3) ... [2020-11-28 07:31:54,895 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp1.c [2020-11-28 07:31:54,907 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:31:54,911 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:31:54,923 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:31:54,961 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:31:54,961 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:31:54,961 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:31:54,962 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:31:54,962 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:31:54,962 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:31:54,962 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:31:54,963 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:31:54,977 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-11-28 07:31:54,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 07:31:54,984 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:31:54,984 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-28 07:31:54,985 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:31:54,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:31:54,993 INFO L82 PathProgramCache]: Analyzing trace with hash 44367, now seen corresponding path program 1 times [2020-11-28 07:31:55,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:31:55,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80563808] [2020-11-28 07:31:55,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:31:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:31:55,146 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:31:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:31:55,199 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:31:55,225 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-28 07:31:55,226 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:31:55,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:31:55,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:31:55 BoogieIcfgContainer [2020-11-28 07:31:55,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:31:55,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:31:55,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:31:55,255 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:31:55,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:31:54" (3/4) ... [2020-11-28 07:31:55,260 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 07:31:55,261 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:31:55,266 INFO L168 Benchmark]: Toolchain (without parser) took 1070.54 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 58.0 MB in the beginning and 83.8 MB in the end (delta: -25.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:31:55,267 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:31:55,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.45 ms. Allocated memory is still 88.1 MB. Free memory was 57.9 MB in the beginning and 66.3 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:31:55,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.19 ms. Allocated memory is still 88.1 MB. Free memory was 66.3 MB in the beginning and 64.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:31:55,271 INFO L168 Benchmark]: Boogie Preprocessor took 31.32 ms. Allocated memory is still 88.1 MB. Free memory was 64.9 MB in the beginning and 64.0 MB in the end (delta: 935.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:31:55,272 INFO L168 Benchmark]: RCFGBuilder took 377.02 ms. Allocated memory is still 88.1 MB. Free memory was 64.0 MB in the beginning and 53.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:31:55,273 INFO L168 Benchmark]: TraceAbstraction took 362.90 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 52.6 MB in the beginning and 83.8 MB in the end (delta: -31.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:31:55,273 INFO L168 Benchmark]: Witness Printer took 6.48 ms. Allocated memory is still 107.0 MB. Free memory is still 83.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:31:55,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 243.45 ms. Allocated memory is still 88.1 MB. Free memory was 57.9 MB in the beginning and 66.3 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.19 ms. Allocated memory is still 88.1 MB. Free memory was 66.3 MB in the beginning and 64.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.32 ms. Allocated memory is still 88.1 MB. Free memory was 64.9 MB in the beginning and 64.0 MB in the end (delta: 935.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 377.02 ms. Allocated memory is still 88.1 MB. Free memory was 64.0 MB in the beginning and 53.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 362.90 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 52.6 MB in the beginning and 83.8 MB in the end (delta: -31.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.48 ms. Allocated memory is still 107.0 MB. Free memory is still 83.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 9, overapproximation of to_real at line 10. Possible FailurePath: [L6] unsigned int i, j; [L7] double d; [L9] i=100.0 [L10] d=i [L11] j=d [L12] COND TRUE !(j==100) [L3] __assert_fail("0", "float-no-simp1.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:31:57,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:31:57,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:31:58,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:31:58,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:31:58,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:31:58,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:31:58,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:31:58,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:31:58,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:31:58,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:31:58,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:31:58,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:31:58,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:31:58,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:31:58,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:31:58,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:31:58,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:31:58,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:31:58,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:31:58,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:31:58,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:31:58,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:31:58,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:31:58,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:31:58,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:31:58,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:31:58,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:31:58,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:31:58,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:31:58,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:31:58,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:31:58,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:31:58,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:31:58,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:31:58,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:31:58,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:31:58,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:31:58,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:31:58,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:31:58,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:31:58,097 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:31:58,147 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:31:58,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:31:58,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:31:58,150 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:31:58,150 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:31:58,150 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:31:58,150 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:31:58,151 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:31:58,151 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:31:58,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:31:58,154 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:31:58,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:31:58,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:31:58,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:31:58,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:31:58,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:31:58,155 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:31:58,155 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:31:58,155 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:31:58,156 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:31:58,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:31:58,156 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:31:58,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:31:58,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:31:58,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:31:58,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:31:58,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:31:58,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:31:58,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:31:58,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:31:58,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:31:58,158 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:31:58,159 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:31:58,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:31:58,159 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:31:58,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:31:58,160 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_40c85140-3012-4774-9085-726d085692e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf66c963cee9d423d7bbfded96bc288d1ae256e [2020-11-28 07:31:58,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:31:58,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:31:58,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:31:58,591 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:31:58,594 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:31:58,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2020-11-28 07:31:58,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/data/5353afce8/6f36ac4875994808adcf0d36c33c8de9/FLAG883052c70 [2020-11-28 07:31:59,282 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:31:59,283 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2020-11-28 07:31:59,289 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/data/5353afce8/6f36ac4875994808adcf0d36c33c8de9/FLAG883052c70 [2020-11-28 07:31:59,698 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/data/5353afce8/6f36ac4875994808adcf0d36c33c8de9 [2020-11-28 07:31:59,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:31:59,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:31:59,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:31:59,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:31:59,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:31:59,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:31:59" (1/1) ... [2020-11-28 07:31:59,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42acfe05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:59, skipping insertion in model container [2020-11-28 07:31:59,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:31:59" (1/1) ... [2020-11-28 07:31:59,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:31:59,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:31:59,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:31:59,964 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:31:59,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:31:59,994 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:31:59,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:59 WrapperNode [2020-11-28 07:31:59,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:31:59,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:31:59,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:31:59,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:32:00,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:59" (1/1) ... [2020-11-28 07:32:00,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:59" (1/1) ... [2020-11-28 07:32:00,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:32:00,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:32:00,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:32:00,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:32:00,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:59" (1/1) ... [2020-11-28 07:32:00,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:59" (1/1) ... [2020-11-28 07:32:00,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:59" (1/1) ... [2020-11-28 07:32:00,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:59" (1/1) ... [2020-11-28 07:32:00,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:59" (1/1) ... [2020-11-28 07:32:00,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:59" (1/1) ... [2020-11-28 07:32:00,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:59" (1/1) ... [2020-11-28 07:32:00,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:32:00,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:32:00,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:32:00,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:32:00,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/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 [2020-11-28 07:32:00,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:32:00,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:32:00,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:32:00,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:32:00,876 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:32:00,876 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 07:32:00,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:32:00 BoogieIcfgContainer [2020-11-28 07:32:00,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:32:00,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:32:00,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:32:00,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:32:00,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:31:59" (1/3) ... [2020-11-28 07:32:00,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606a6c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:32:00, skipping insertion in model container [2020-11-28 07:32:00,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:31:59" (2/3) ... [2020-11-28 07:32:00,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606a6c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:32:00, skipping insertion in model container [2020-11-28 07:32:00,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:32:00" (3/3) ... [2020-11-28 07:32:00,889 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp1.c [2020-11-28 07:32:00,902 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:32:00,925 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:32:00,959 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:32:01,006 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:32:01,006 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:32:01,006 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:32:01,007 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:32:01,007 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:32:01,007 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:32:01,007 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:32:01,007 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:32:01,024 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-11-28 07:32:01,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 07:32:01,029 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:32:01,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-28 07:32:01,031 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:32:01,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:32:01,040 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-11-28 07:32:01,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:32:01,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696101042] [2020-11-28 07:32:01,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 07:32:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:32:01,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 07:32:01,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:32:01,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:32:01,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:32:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:32:01,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696101042] [2020-11-28 07:32:01,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:32:01,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:32:01,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387194621] [2020-11-28 07:32:01,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:32:01,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:32:01,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:32:01,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=5, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:32:01,375 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2020-11-28 07:32:01,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:32:01,403 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-11-28 07:32:01,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:32:01,405 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-11-28 07:32:01,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:32:01,410 INFO L225 Difference]: With dead ends: 12 [2020-11-28 07:32:01,411 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:32:01,413 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=5, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:32:01,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:32:01,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:32:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:32:01,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:32:01,437 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-11-28 07:32:01,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:32:01,438 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:32:01,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:32:01,438 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:32:01,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:32:01,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:32:01,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:32:01,663 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:32:01,663 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:32:01,663 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:32:01,663 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:32:01,664 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:32:01,664 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 07:32:01,664 INFO L274 CegarLoopResult]: For program point L4(lines 4 13) no Hoare annotation was computed. [2020-11-28 07:32:01,664 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:32:01,664 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:32:01,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:32:01 BoogieIcfgContainer [2020-11-28 07:32:01,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:32:01,670 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:32:01,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:32:01,670 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:32:01,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:32:00" (3/4) ... [2020-11-28 07:32:01,676 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:32:01,685 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-28 07:32:01,685 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 07:32:01,685 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:32:01,685 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:32:01,717 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_40c85140-3012-4774-9085-726d085692e2/bin/utaipan/witness.graphml [2020-11-28 07:32:01,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:32:01,719 INFO L168 Benchmark]: Toolchain (without parser) took 2008.12 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 39.9 MB in the beginning and 41.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:32:01,720 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:32:01,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.32 ms. Allocated memory is still 60.8 MB. Free memory was 39.7 MB in the beginning and 30.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:32:01,721 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.03 ms. Allocated memory is still 60.8 MB. Free memory was 30.2 MB in the beginning and 45.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:32:01,722 INFO L168 Benchmark]: Boogie Preprocessor took 53.31 ms. Allocated memory is still 60.8 MB. Free memory was 45.0 MB in the beginning and 44.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:32:01,722 INFO L168 Benchmark]: RCFGBuilder took 766.50 ms. Allocated memory is still 60.8 MB. Free memory was 43.8 MB in the beginning and 33.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:32:01,723 INFO L168 Benchmark]: TraceAbstraction took 788.27 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 33.3 MB in the beginning and 43.3 MB in the end (delta: -10.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:32:01,724 INFO L168 Benchmark]: Witness Printer took 47.65 ms. Allocated memory is still 75.5 MB. Free memory was 43.0 MB in the beginning and 41.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:32:01,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 282.32 ms. Allocated memory is still 60.8 MB. Free memory was 39.7 MB in the beginning and 30.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.03 ms. Allocated memory is still 60.8 MB. Free memory was 30.2 MB in the beginning and 45.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.31 ms. Allocated memory is still 60.8 MB. Free memory was 45.0 MB in the beginning and 44.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 766.50 ms. Allocated memory is still 60.8 MB. Free memory was 43.8 MB in the beginning and 33.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 788.27 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 33.3 MB in the beginning and 43.3 MB in the end (delta: -10.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Witness Printer took 47.65 ms. Allocated memory is still 75.5 MB. Free memory was 43.0 MB in the beginning and 41.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 3 SDslu, 1 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 1 QuantifiedInterpolants, 57 SizeOfPredicates, 5 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...