./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.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_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad220425e59782d2842875bc5488a6e9ea4ef5ae .................................................................................................................................................................................................................................... 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_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad220425e59782d2842875bc5488a6e9ea4ef5ae ................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:43:12,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:43:12,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:43:12,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:43:12,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:43:12,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:43:12,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:43:12,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:43:12,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:43:12,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:43:12,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:43:12,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:43:12,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:43:12,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:43:12,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:43:12,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:43:12,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:43:12,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:43:12,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:43:12,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:43:12,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:43:12,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:43:12,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:43:12,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:43:12,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:43:12,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:43:12,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:43:12,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:43:12,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:43:12,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:43:12,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:43:12,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:43:12,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:43:12,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:43:12,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:43:12,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:43:12,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:43:12,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:43:12,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:43:12,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:43:12,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:43:12,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:43:12,979 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:43:12,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:43:12,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:43:12,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:43:12,987 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:43:12,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:43:12,987 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:43:12,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:43:12,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:43:12,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:43:12,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:43:12,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:43:12,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:43:12,990 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:43:12,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:43:12,991 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:43:12,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:43:12,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:43:12,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:43:12,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:43:12,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:43:12,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:43:12,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:43:12,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:43:12,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:43:12,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:43:12,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:43:12,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:43:12,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:43:12,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad220425e59782d2842875bc5488a6e9ea4ef5ae [2020-11-30 00:43:13,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:43:13,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:43:13,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:43:13,356 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:43:13,357 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:43:13,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2020-11-30 00:43:13,434 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/data/cf527e7cd/e49ee232633b4a439f38a93c4e5928a3/FLAG27a5b5547 [2020-11-30 00:43:13,940 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:43:13,941 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2020-11-30 00:43:13,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/data/cf527e7cd/e49ee232633b4a439f38a93c4e5928a3/FLAG27a5b5547 [2020-11-30 00:43:14,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/data/cf527e7cd/e49ee232633b4a439f38a93c4e5928a3 [2020-11-30 00:43:14,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:43:14,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:43:14,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:43:14,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:43:14,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:43:14,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:43:14" (1/1) ... [2020-11-30 00:43:14,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3649b43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:14, skipping insertion in model container [2020-11-30 00:43:14,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:43:14" (1/1) ... [2020-11-30 00:43:14,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:43:14,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:43:14,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:43:14,640 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:43:14,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:43:14,706 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:43:14,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:14 WrapperNode [2020-11-30 00:43:14,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:43:14,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:43:14,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:43:14,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:43:14,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:14" (1/1) ... [2020-11-30 00:43:14,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:14" (1/1) ... [2020-11-30 00:43:14,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:43:14,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:43:14,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:43:14,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:43:14,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:14" (1/1) ... [2020-11-30 00:43:14,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:14" (1/1) ... [2020-11-30 00:43:14,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:14" (1/1) ... [2020-11-30 00:43:14,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:14" (1/1) ... [2020-11-30 00:43:14,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:14" (1/1) ... [2020-11-30 00:43:14,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:14" (1/1) ... [2020-11-30 00:43:14,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:14" (1/1) ... [2020-11-30 00:43:14,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:43:14,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:43:14,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:43:14,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:43:14,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:43:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:43:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:43:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:43:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:43:15,163 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:43:15,164 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-30 00:43:15,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:43:15 BoogieIcfgContainer [2020-11-30 00:43:15,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:43:15,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:43:15,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:43:15,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:43:15,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:43:14" (1/3) ... [2020-11-30 00:43:15,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4409bb65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:43:15, skipping insertion in model container [2020-11-30 00:43:15,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:14" (2/3) ... [2020-11-30 00:43:15,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4409bb65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:43:15, skipping insertion in model container [2020-11-30 00:43:15,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:43:15" (3/3) ... [2020-11-30 00:43:15,179 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2020-11-30 00:43:15,195 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:43:15,200 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:43:15,213 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:43:15,241 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:43:15,241 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:43:15,241 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:43:15,241 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:43:15,242 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:43:15,242 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:43:15,242 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:43:15,242 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:43:15,255 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-30 00:43:15,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 00:43:15,260 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:43:15,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-30 00:43:15,262 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:43:15,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:43:15,286 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-11-30 00:43:15,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:43:15,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419087113] [2020-11-30 00:43:15,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:43:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:43:15,409 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:43:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:43:15,431 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:43:15,454 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:43:15,455 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:43:15,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:43:15,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:43:15 BoogieIcfgContainer [2020-11-30 00:43:15,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:43:15,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:43:15,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:43:15,480 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:43:15,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:43:15" (3/4) ... [2020-11-30 00:43:15,484 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:43:15,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:43:15,487 INFO L168 Benchmark]: Toolchain (without parser) took 1151.20 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 44.6 MB in the beginning and 71.8 MB in the end (delta: -27.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:43:15,488 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 60.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:43:15,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.46 ms. Allocated memory is still 79.7 MB. Free memory was 44.4 MB in the beginning and 56.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:15,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.14 ms. Allocated memory is still 79.7 MB. Free memory was 56.6 MB in the beginning and 55.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:15,491 INFO L168 Benchmark]: Boogie Preprocessor took 32.24 ms. Allocated memory is still 79.7 MB. Free memory was 55.3 MB in the beginning and 54.3 MB in the end (delta: 942.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:43:15,492 INFO L168 Benchmark]: RCFGBuilder took 386.64 ms. Allocated memory is still 79.7 MB. Free memory was 54.2 MB in the beginning and 44.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:15,493 INFO L168 Benchmark]: TraceAbstraction took 308.90 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 43.7 MB in the beginning and 72.2 MB in the end (delta: -28.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:43:15,494 INFO L168 Benchmark]: Witness Printer took 5.24 ms. Allocated memory is still 98.6 MB. Free memory was 72.2 MB in the beginning and 71.8 MB in the end (delta: 394.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:43:15,499 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 79.7 MB. Free memory is still 60.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 371.46 ms. Allocated memory is still 79.7 MB. Free memory was 44.4 MB in the beginning and 56.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.14 ms. Allocated memory is still 79.7 MB. Free memory was 56.6 MB in the beginning and 55.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.24 ms. Allocated memory is still 79.7 MB. Free memory was 55.3 MB in the beginning and 54.3 MB in the end (delta: 942.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 386.64 ms. Allocated memory is still 79.7 MB. Free memory was 54.2 MB in the beginning and 44.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 308.90 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 43.7 MB in the beginning and 72.2 MB in the end (delta: -28.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.24 ms. Allocated memory is still 98.6 MB. Free memory was 72.2 MB in the beginning and 71.8 MB in the end (delta: 394.1 kB). 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 someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 10, overapproximation of someUnaryFLOAToperation at line 7. Possible FailurePath: [L6] float f = 0x1.9e0c22p-101f; [L7] float g = -0x1.3c9014p-50f; [L8] float target = -0x1p-149f; [L10] float result = f * g; [L12] COND TRUE !(result == target) [L3] __assert_fail("0", "float-no-simp7.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 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=10occurred 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, 4 NumberOfCodeBlocks, 4 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 [2020-11-30 00:43:18,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:43:18,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:43:18,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:43:18,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:43:18,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:43:18,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:43:18,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:43:18,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:43:18,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:43:18,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:43:18,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:43:18,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:43:18,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:43:18,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:43:18,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:43:18,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:43:18,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:43:18,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:43:18,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:43:18,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:43:18,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:43:18,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:43:18,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:43:18,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:43:18,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:43:18,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:43:18,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:43:18,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:43:18,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:43:18,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:43:18,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:43:18,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:43:18,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:43:18,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:43:18,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:43:18,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:43:18,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:43:18,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:43:18,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:43:18,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:43:18,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:43:18,631 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:43:18,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:43:18,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:43:18,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:43:18,635 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:43:18,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:43:18,636 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:43:18,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:43:18,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:43:18,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:43:18,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:43:18,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:43:18,638 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:43:18,638 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:43:18,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:43:18,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:43:18,639 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:43:18,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:43:18,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:43:18,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:43:18,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:43:18,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:43:18,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:43:18,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:43:18,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:43:18,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:43:18,641 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:43:18,642 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:43:18,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:43:18,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:43:18,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:43:18,643 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_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad220425e59782d2842875bc5488a6e9ea4ef5ae [2020-11-30 00:43:19,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:43:19,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:43:19,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:43:19,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:43:19,206 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:43:19,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2020-11-30 00:43:19,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/data/18636da88/49d77cd7afa84f3cb6c4995230fc2686/FLAG7aca188d7 [2020-11-30 00:43:19,961 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:43:19,962 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2020-11-30 00:43:19,971 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/data/18636da88/49d77cd7afa84f3cb6c4995230fc2686/FLAG7aca188d7 [2020-11-30 00:43:20,324 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/data/18636da88/49d77cd7afa84f3cb6c4995230fc2686 [2020-11-30 00:43:20,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:43:20,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:43:20,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:43:20,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:43:20,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:43:20,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:43:20" (1/1) ... [2020-11-30 00:43:20,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b4390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:20, skipping insertion in model container [2020-11-30 00:43:20,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:43:20" (1/1) ... [2020-11-30 00:43:20,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:43:20,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:43:20,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:43:20,565 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:43:20,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:43:20,607 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:43:20,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:20 WrapperNode [2020-11-30 00:43:20,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:43:20,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:43:20,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:43:20,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:43:20,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:20" (1/1) ... [2020-11-30 00:43:20,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:20" (1/1) ... [2020-11-30 00:43:20,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:43:20,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:43:20,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:43:20,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:43:20,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:20" (1/1) ... [2020-11-30 00:43:20,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:20" (1/1) ... [2020-11-30 00:43:20,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:20" (1/1) ... [2020-11-30 00:43:20,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:20" (1/1) ... [2020-11-30 00:43:20,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:20" (1/1) ... [2020-11-30 00:43:20,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:20" (1/1) ... [2020-11-30 00:43:20,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:20" (1/1) ... [2020-11-30 00:43:20,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:43:20,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:43:20,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:43:20,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:43:20,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:43:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:43:20,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:43:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:43:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:43:21,317 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:43:21,326 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-30 00:43:21,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:43:21 BoogieIcfgContainer [2020-11-30 00:43:21,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:43:21,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:43:21,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:43:21,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:43:21,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:43:20" (1/3) ... [2020-11-30 00:43:21,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb8363b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:43:21, skipping insertion in model container [2020-11-30 00:43:21,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:43:20" (2/3) ... [2020-11-30 00:43:21,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb8363b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:43:21, skipping insertion in model container [2020-11-30 00:43:21,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:43:21" (3/3) ... [2020-11-30 00:43:21,354 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2020-11-30 00:43:21,367 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:43:21,372 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:43:21,386 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:43:21,428 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:43:21,428 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:43:21,428 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:43:21,428 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:43:21,429 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:43:21,429 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:43:21,429 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:43:21,429 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:43:21,457 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-30 00:43:21,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 00:43:21,477 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:43:21,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-30 00:43:21,478 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:43:21,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:43:21,485 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-11-30 00:43:21,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:43:21,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607115819] [2020-11-30 00:43:21,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/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 [2020-11-30 00:43:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:43:21,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 00:43:21,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:43:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:43:21,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:43:21,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:43:21,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1607115819] [2020-11-30 00:43:21,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:43:21,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-30 00:43:21,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504691865] [2020-11-30 00:43:21,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:43:21,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:43:22,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:43:22,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:43:22,020 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 6 states. [2020-11-30 00:43:22,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:43:22,185 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-11-30 00:43:22,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:43:22,189 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2020-11-30 00:43:22,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:43:22,196 INFO L225 Difference]: With dead ends: 14 [2020-11-30 00:43:22,196 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:43:22,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:43:22,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:43:22,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:43:22,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:43:22,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:43:22,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-11-30 00:43:22,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:43:22,229 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:43:22,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:43:22,230 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:43:22,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:43:22,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:43:22,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:43:22,528 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:43:22,528 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:43:22,529 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:43:22,529 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:43:22,529 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:43:22,530 INFO L270 CegarLoopResult]: At program point L14(lines 5 15) the Hoare annotation is: (and (= (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 13567505.0 21267647932558653966460912964485513216.0)) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 5186565.0 4722366482869645213696.0)))) ULTIMATE.start_main_~result~0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_main_~target~0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 713623846352979940529142984724747568191373312.0))))) [2020-11-30 00:43:22,530 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:43:22,530 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-30 00:43:22,530 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:43:22,530 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:43:22,540 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,541 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:43:22,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:43:22,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:43:22 BoogieIcfgContainer [2020-11-30 00:43:22,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:43:22,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:43:22,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:43:22,552 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:43:22,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:43:21" (3/4) ... [2020-11-30 00:43:22,556 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:43:22,566 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-30 00:43:22,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:43:22,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:43:22,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:43:22,606 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1d9f3527-1d58-4008-bee1-50a7b307cec3/bin/uautomizer/witness.graphml [2020-11-30 00:43:22,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:43:22,609 INFO L168 Benchmark]: Toolchain (without parser) took 2271.29 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 42.0 MB in the beginning and 34.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:22,609 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 60.8 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:43:22,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.70 ms. Allocated memory is still 60.8 MB. Free memory was 41.7 MB in the beginning and 31.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:22,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.98 ms. Allocated memory is still 60.8 MB. Free memory was 31.5 MB in the beginning and 44.9 MB in the end (delta: -13.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:22,612 INFO L168 Benchmark]: Boogie Preprocessor took 60.24 ms. Allocated memory is still 60.8 MB. Free memory was 44.7 MB in the beginning and 43.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:22,613 INFO L168 Benchmark]: RCFGBuilder took 580.84 ms. Allocated memory is still 60.8 MB. Free memory was 43.7 MB in the beginning and 33.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:22,614 INFO L168 Benchmark]: TraceAbstraction took 1220.78 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 32.4 MB in the beginning and 37.2 MB in the end (delta: -4.9 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:22,615 INFO L168 Benchmark]: Witness Printer took 54.51 ms. Allocated memory is still 75.5 MB. Free memory was 37.2 MB in the beginning and 34.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:22,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 60.8 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 271.70 ms. Allocated memory is still 60.8 MB. Free memory was 41.7 MB in the beginning and 31.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.98 ms. Allocated memory is still 60.8 MB. Free memory was 31.5 MB in the beginning and 44.9 MB in the end (delta: -13.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.24 ms. Allocated memory is still 60.8 MB. Free memory was 44.7 MB in the beginning and 43.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 580.84 ms. Allocated memory is still 60.8 MB. Free memory was 43.7 MB in the beginning and 33.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1220.78 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 32.4 MB in the beginning and 37.2 MB in the end (delta: -4.9 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * Witness Printer took 54.51 ms. Allocated memory is still 75.5 MB. Free memory was 37.2 MB in the beginning and 34.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * 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 - InvariantResult [Line: 5]: Loop Invariant [2020-11-30 00:43:22,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,631 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,631 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,631 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:43:22,632 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,632 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,632 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,633 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,633 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:43:22,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 13567505/21267647932558653966460912964485513216), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 5186565/4722366482869645213696))) == result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && target == ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/713623846352979940529142984724747568191373312)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 13 SDslu, 1 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 21 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 5 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 6 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...