./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-benchs/bary_diverge.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/bary_diverge.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 4217b41001a9030eb8124c79f0e7a7772f611bd4 ......................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/bary_diverge.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 4217b41001a9030eb8124c79f0e7a7772f611bd4 ............................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: TYPE ERROR --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 14:13:55,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:13:55,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:13:55,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:13:55,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:13:55,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:13:55,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:13:55,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:13:55,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:13:55,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:13:55,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:13:55,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:13:55,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:13:55,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:13:55,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:13:55,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:13:55,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:13:55,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:13:56,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:13:56,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:13:56,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:13:56,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:13:56,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:13:56,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:13:56,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:13:56,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:13:56,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:13:56,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:13:56,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:13:56,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:13:56,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:13:56,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:13:56,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:13:56,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:13:56,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:13:56,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:13:56,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:13:56,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:13:56,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:13:56,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:13:56,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:13:56,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 14:13:56,111 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:13:56,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:13:56,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:13:56,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:13:56,114 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:13:56,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:13:56,114 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:13:56,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 14:13:56,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:13:56,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:13:56,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:13:56,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:13:56,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:13:56,116 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:13:56,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:13:56,117 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:13:56,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:13:56,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:13:56,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:13:56,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:13:56,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:13:56,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:13:56,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:13:56,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:13:56,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:13:56,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 14:13:56,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 14:13:56,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:13:56,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:13:56,120 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4217b41001a9030eb8124c79f0e7a7772f611bd4 [2020-12-02 14:13:56,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:13:56,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:13:56,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:13:56,580 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:13:56,581 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:13:56,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/bary_diverge.c [2020-12-02 14:13:56,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52cd634c3/1780a26779fa4907bec950230f4f18b6/FLAGba6e91c31 [2020-12-02 14:13:57,350 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:13:57,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/bary_diverge.c [2020-12-02 14:13:57,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52cd634c3/1780a26779fa4907bec950230f4f18b6/FLAGba6e91c31 [2020-12-02 14:13:57,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52cd634c3/1780a26779fa4907bec950230f4f18b6 [2020-12-02 14:13:57,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:13:57,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:13:57,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:13:57,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:13:57,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:13:57,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:13:57" (1/1) ... [2020-12-02 14:13:57,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c25bd50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:57, skipping insertion in model container [2020-12-02 14:13:57,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:13:57" (1/1) ... [2020-12-02 14:13:57,732 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:13:57,758 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:13:57,958 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/bary_diverge.c[632,645] [2020-12-02 14:13:57,993 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:13:58,004 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:13:58,019 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/bary_diverge.c[632,645] [2020-12-02 14:13:58,027 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:13:58,046 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:13:58,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:58 WrapperNode [2020-12-02 14:13:58,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:13:58,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:13:58,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:13:58,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:13:58,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:58" (1/1) ... [2020-12-02 14:13:58,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:58" (1/1) ... [2020-12-02 14:13:58,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:13:58,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 14:13:58,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 14:13:58,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 14:13:58,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:58" (1/1) ... [2020-12-02 14:13:58,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:58" (1/1) ... [2020-12-02 14:13:58,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:58" (1/1) ... [2020-12-02 14:13:58,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:58" (1/1) ... [2020-12-02 14:13:58,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:58" (1/1) ... [2020-12-02 14:13:58,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:58" (1/1) ... [2020-12-02 14:13:58,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:58" (1/1) ... [2020-12-02 14:13:58,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 14:13:58,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 14:13:58,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 14:13:58,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 14:13:58,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:13:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 14:13:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 14:13:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 14:13:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 14:13:58,764 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 14:13:58,765 INFO L298 CfgBuilder]: Removed 31 assume(true) statements. [2020-12-02 14:13:58,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:13:58 BoogieIcfgContainer [2020-12-02 14:13:58,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 14:13:58,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 14:13:58,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 14:13:58,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 14:13:58,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:13:57" (1/3) ... [2020-12-02 14:13:58,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60ff6b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:13:58, skipping insertion in model container [2020-12-02 14:13:58,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:58" (2/3) ... [2020-12-02 14:13:58,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60ff6b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:13:58, skipping insertion in model container [2020-12-02 14:13:58,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:13:58" (3/3) ... [2020-12-02 14:13:58,794 INFO L111 eAbstractionObserver]: Analyzing ICFG bary_diverge.c [2020-12-02 14:13:58,816 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 14:13:58,820 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 14:13:58,837 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 14:13:58,887 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 14:13:58,887 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 14:13:58,888 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 14:13:58,888 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 14:13:58,888 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 14:13:58,888 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 14:13:58,889 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 14:13:58,889 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 14:13:58,908 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-12-02 14:13:58,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 14:13:58,915 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:13:58,916 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 14:13:58,917 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:13:58,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:13:58,925 INFO L82 PathProgramCache]: Analyzing trace with hash -28394951, now seen corresponding path program 1 times [2020-12-02 14:13:58,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 14:13:58,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113892207] [2020-12-02 14:13:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 14:13:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:13:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:13:59,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113892207] [2020-12-02 14:13:59,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:13:59,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 14:13:59,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509995769] [2020-12-02 14:13:59,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 14:13:59,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 14:13:59,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 14:13:59,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 14:13:59,223 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-12-02 14:13:59,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:13:59,248 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2020-12-02 14:13:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 14:13:59,250 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-12-02 14:13:59,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:13:59,259 INFO L225 Difference]: With dead ends: 57 [2020-12-02 14:13:59,260 INFO L226 Difference]: Without dead ends: 26 [2020-12-02 14:13:59,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 14:13:59,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-12-02 14:13:59,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-12-02 14:13:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-12-02 14:13:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2020-12-02 14:13:59,302 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 14 [2020-12-02 14:13:59,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:13:59,303 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2020-12-02 14:13:59,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 14:13:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2020-12-02 14:13:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 14:13:59,304 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:13:59,304 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 14:13:59,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 14:13:59,305 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:13:59,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:13:59,306 INFO L82 PathProgramCache]: Analyzing trace with hash 229770487, now seen corresponding path program 1 times [2020-12-02 14:13:59,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 14:13:59,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718065277] [2020-12-02 14:13:59,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 14:13:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 14:13:59,348 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 14:13:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 14:13:59,377 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 14:13:59,403 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 14:13:59,404 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 14:13:59,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 14:13:59,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:13:59 BoogieIcfgContainer [2020-12-02 14:13:59,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 14:13:59,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 14:13:59,453 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 14:13:59,453 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 14:13:59,454 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:13:58" (3/4) ... [2020-12-02 14:13:59,459 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 14:13:59,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 14:13:59,465 INFO L168 Benchmark]: Toolchain (without parser) took 1757.95 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 26.4 MB in the beginning and 29.3 MB in the end (delta: -2.9 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-12-02 14:13:59,467 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 35.7 MB. Free memory was 19.8 MB in the beginning and 19.8 MB in the end (delta: 26.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:13:59,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.75 ms. Allocated memory is still 44.0 MB. Free memory was 26.2 MB in the beginning and 25.8 MB in the end (delta: 381.6 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-12-02 14:13:59,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.50 ms. Allocated memory is still 44.0 MB. Free memory was 25.8 MB in the beginning and 24.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:13:59,472 INFO L168 Benchmark]: Boogie Preprocessor took 33.07 ms. Allocated memory is still 44.0 MB. Free memory was 24.1 MB in the beginning and 22.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:13:59,474 INFO L168 Benchmark]: RCFGBuilder took 634.49 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 22.8 MB in the beginning and 38.3 MB in the end (delta: -15.5 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2020-12-02 14:13:59,476 INFO L168 Benchmark]: TraceAbstraction took 680.88 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 29.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-12-02 14:13:59,478 INFO L168 Benchmark]: Witness Printer took 7.06 ms. Allocated memory is still 56.6 MB. Free memory was 29.7 MB in the beginning and 29.3 MB in the end (delta: 384.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:13:59,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 35.7 MB. Free memory was 19.8 MB in the beginning and 19.8 MB in the end (delta: 26.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 342.75 ms. Allocated memory is still 44.0 MB. Free memory was 26.2 MB in the beginning and 25.8 MB in the end (delta: 381.6 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.50 ms. Allocated memory is still 44.0 MB. Free memory was 25.8 MB in the beginning and 24.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.07 ms. Allocated memory is still 44.0 MB. Free memory was 24.1 MB in the beginning and 22.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 634.49 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 22.8 MB in the beginning and 38.3 MB in the end (delta: -15.5 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 680.88 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 29.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Witness Printer took 7.06 ms. Allocated memory is still 56.6 MB. Free memory was 29.7 MB in the beginning and 29.3 MB in the end (delta: 384.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 50. Possible FailurePath: [L19] BOOLEAN INIT; [L20] float C1, I; [L34] static float X,Y,Z; VAL [C1=0, I=0, INIT=0, X=0, Y=0, Z=0] [L55] int i; [L57] INIT = TRUE [L24] float x; [L25] x = __VERIFIER_nondet_float() [L12] COND FALSE !(!cond) VAL [C1=0, I=0, INIT=1, X=0, Y=0, Z=0] [L27] return x; VAL [C1=0, I=0, INIT=1, X=0, Y=0, Z=0] [L58] C1 = RANDOM_INPUT() [L24] float x; [L25] x = __VERIFIER_nondet_float() [L12] COND FALSE !(!cond) VAL [C1=50, I=0, INIT=1, X=0, Y=0, Z=0] [L27] return x; VAL [C1=50, I=0, INIT=1, X=0, Y=0, Z=0] [L59] I = RANDOM_INPUT() [L61] i = 0 VAL [C1=50, I=49, INIT=1, X=0, Y=0, Z=0] [L61] COND TRUE i < 3600000 VAL [C1=50, I=49, INIT=1, X=0, Y=0, Z=0] [L36] COND FALSE !(C1 > 0.f) VAL [C1=50, I=49, INIT=1, X=0, Y=0, Z=0] [L41] COND TRUE INIT == TRUE [L42] X = I [L43] Y = I [L44] Z = I VAL [C1=50, I=49, INIT=1, X=49, Y=49, Z=49] [L14] COND TRUE !(cond) VAL [C1=50, I=49, INIT=1, X=49, Y=49, Z=49] [L14] reach_error() VAL [C1=50, I=49, INIT=1, X=49, Y=49, Z=49] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 14:14:02,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:14:02,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:14:02,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:14:02,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:14:02,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:14:02,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:14:02,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:14:02,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:14:02,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:14:02,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:14:02,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:14:02,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:14:02,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:14:02,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:14:02,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:14:02,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:14:02,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:14:02,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:14:02,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:14:02,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:14:02,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:14:02,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:14:02,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:14:02,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:14:02,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:14:02,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:14:02,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:14:02,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:14:02,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:14:02,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:14:02,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:14:02,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:14:02,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:14:02,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:14:02,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:14:02,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:14:02,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:14:02,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:14:02,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:14:02,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:14:02,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 14:14:02,326 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:14:02,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:14:02,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:14:02,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:14:02,331 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:14:02,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:14:02,331 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:14:02,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:14:02,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:14:02,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:14:02,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:14:02,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:14:02,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 14:14:02,335 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 14:14:02,335 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:14:02,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:14:02,336 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:14:02,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:14:02,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:14:02,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:14:02,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:14:02,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:14:02,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:14:02,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:14:02,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:14:02,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:14:02,340 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 14:14:02,340 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 14:14:02,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:14:02,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:14:02,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 14:14:02,341 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4217b41001a9030eb8124c79f0e7a7772f611bd4 [2020-12-02 14:14:02,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:14:02,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:14:02,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:14:02,831 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:14:02,832 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:14:02,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/bary_diverge.c [2020-12-02 14:14:02,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/180c4da74/ea4d5e1f82d14b46b31a045907e1aa5f/FLAG537366950 [2020-12-02 14:14:03,646 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:14:03,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/bary_diverge.c [2020-12-02 14:14:03,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/180c4da74/ea4d5e1f82d14b46b31a045907e1aa5f/FLAG537366950 [2020-12-02 14:14:03,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/180c4da74/ea4d5e1f82d14b46b31a045907e1aa5f [2020-12-02 14:14:03,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:14:03,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:14:04,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:14:04,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:14:04,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:14:04,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:03" (1/1) ... [2020-12-02 14:14:04,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2102f92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:04, skipping insertion in model container [2020-12-02 14:14:04,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:03" (1/1) ... [2020-12-02 14:14:04,022 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:14:04,040 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:14:04,233 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/bary_diverge.c[632,645] [2020-12-02 14:14:04,262 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:14:04,288 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:14:04,302 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/bary_diverge.c[632,645] [2020-12-02 14:14:04,314 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:14:04,336 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:14:04,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:04 WrapperNode [2020-12-02 14:14:04,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:14:04,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:14:04,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:14:04,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:14:04,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:04" (1/1) ... [2020-12-02 14:14:04,363 ERROR L1131 TypeChecker]: C: float C1, I; [20]: Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~C1~0 := ~Pluszero~FLOAT(); [2020-12-02 14:14:04,364 ERROR L1131 TypeChecker]: C: float C1, I; [20]: Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~I~0 := ~Pluszero~FLOAT(); [2020-12-02 14:14:04,364 ERROR L1131 TypeChecker]: C: static float X,Y,Z; [34]: Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~X~0 := ~Pluszero~FLOAT(); [2020-12-02 14:14:04,364 ERROR L1131 TypeChecker]: C: static float X,Y,Z; [34]: Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~Y~0 := ~Pluszero~FLOAT(); [2020-12-02 14:14:04,365 ERROR L1131 TypeChecker]: C: static float X,Y,Z; [34]: Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~Z~0 := ~Pluszero~FLOAT(); [2020-12-02 14:14:04,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:04" (1/1) ... [2020-12-02 14:14:04,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:14:04,368 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-12-02 14:14:04,371 INFO L168 Benchmark]: Toolchain (without parser) took 373.94 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 18.0 MB in the beginning and 29.4 MB in the end (delta: -11.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:14:04,373 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 44.0 MB. Free memory was 22.1 MB in the beginning and 22.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:14:04,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.52 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 29.0 MB in the beginning and 30.7 MB in the end (delta: -1.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:04,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.85 ms. Allocated memory is still 54.5 MB. Free memory was 30.6 MB in the beginning and 29.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:14:04,379 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 44.0 MB. Free memory was 22.1 MB in the beginning and 22.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 332.52 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 29.0 MB in the beginning and 30.7 MB in the end (delta: -1.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.85 ms. Allocated memory is still 54.5 MB. Free memory was 30.6 MB in the beginning and 29.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: 20]: Type Error Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~C1~0 := ~Pluszero~FLOAT(); - TypeErrorResult [Line: 20]: Type Error Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~I~0 := ~Pluszero~FLOAT(); - TypeErrorResult [Line: 34]: Type Error Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~X~0 := ~Pluszero~FLOAT(); - TypeErrorResult [Line: 34]: Type Error Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~Y~0 := ~Pluszero~FLOAT(); - TypeErrorResult [Line: 34]: Type Error Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~Z~0 := ~Pluszero~FLOAT(); RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...