./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/bary_diverge.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/bary_diverge.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/bary_diverge.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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-ee8e70e [2020-10-24 14:18:12,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 14:18:12,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 14:18:13,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 14:18:13,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 14:18:13,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 14:18:13,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 14:18:13,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 14:18:13,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 14:18:13,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 14:18:13,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 14:18:13,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 14:18:13,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 14:18:13,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 14:18:13,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 14:18:13,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 14:18:13,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 14:18:13,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 14:18:13,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 14:18:13,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 14:18:13,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 14:18:13,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 14:18:13,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 14:18:13,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 14:18:13,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 14:18:13,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 14:18:13,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 14:18:13,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 14:18:13,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 14:18:13,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 14:18:13,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 14:18:13,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 14:18:13,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 14:18:13,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 14:18:13,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 14:18:13,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 14:18:13,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 14:18:13,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 14:18:13,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 14:18:13,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 14:18:13,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 14:18:13,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 14:18:13,192 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 14:18:13,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 14:18:13,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 14:18:13,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 14:18:13,194 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 14:18:13,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 14:18:13,194 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 14:18:13,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 14:18:13,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 14:18:13,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 14:18:13,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 14:18:13,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 14:18:13,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 14:18:13,196 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 14:18:13,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 14:18:13,196 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 14:18:13,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 14:18:13,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 14:18:13,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 14:18:13,197 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 14:18:13,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 14:18:13,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 14:18:13,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 14:18:13,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 14:18:13,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 14:18:13,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 14:18:13,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 14:18:13,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 14:18:13,199 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 14:18:13,199 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4217b41001a9030eb8124c79f0e7a7772f611bd4 [2020-10-24 14:18:13,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 14:18:13,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 14:18:13,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 14:18:13,629 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 14:18:13,630 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 14:18:13,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/bary_diverge.c [2020-10-24 14:18:13,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c2af676e7/33b73c7a647440c1bd41f77061df424e/FLAGeea38344a [2020-10-24 14:18:14,277 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 14:18:14,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-benchs/bary_diverge.c [2020-10-24 14:18:14,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c2af676e7/33b73c7a647440c1bd41f77061df424e/FLAGeea38344a [2020-10-24 14:18:14,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c2af676e7/33b73c7a647440c1bd41f77061df424e [2020-10-24 14:18:14,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 14:18:14,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 14:18:14,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 14:18:14,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 14:18:14,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 14:18:14,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:18:14" (1/1) ... [2020-10-24 14:18:14,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b82d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:14, skipping insertion in model container [2020-10-24 14:18:14,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:18:14" (1/1) ... [2020-10-24 14:18:14,670 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 14:18:14,687 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 14:18:14,998 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:18:15,014 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 14:18:15,052 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:18:15,076 INFO L217 MainTranslator]: Completed translation [2020-10-24 14:18:15,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:15 WrapperNode [2020-10-24 14:18:15,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 14:18:15,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 14:18:15,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 14:18:15,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 14:18:15,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:15" (1/1) ... [2020-10-24 14:18:15,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:15" (1/1) ... [2020-10-24 14:18:15,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 14:18:15,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 14:18:15,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 14:18:15,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 14:18:15,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:15" (1/1) ... [2020-10-24 14:18:15,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:15" (1/1) ... [2020-10-24 14:18:15,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:15" (1/1) ... [2020-10-24 14:18:15,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:15" (1/1) ... [2020-10-24 14:18:15,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:15" (1/1) ... [2020-10-24 14:18:15,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:15" (1/1) ... [2020-10-24 14:18:15,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:15" (1/1) ... [2020-10-24 14:18:15,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 14:18:15,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 14:18:15,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 14:18:15,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 14:18:15,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-24 14:18:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 14:18:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 14:18:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 14:18:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 14:18:15,858 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 14:18:15,859 INFO L298 CfgBuilder]: Removed 33 assume(true) statements. [2020-10-24 14:18:15,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:18:15 BoogieIcfgContainer [2020-10-24 14:18:15,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 14:18:15,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 14:18:15,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 14:18:15,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 14:18:15,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:18:14" (1/3) ... [2020-10-24 14:18:15,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa837f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:18:15, skipping insertion in model container [2020-10-24 14:18:15,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:15" (2/3) ... [2020-10-24 14:18:15,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa837f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:18:15, skipping insertion in model container [2020-10-24 14:18:15,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:18:15" (3/3) ... [2020-10-24 14:18:15,872 INFO L111 eAbstractionObserver]: Analyzing ICFG bary_diverge.c [2020-10-24 14:18:15,890 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 14:18:15,896 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 14:18:15,911 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 14:18:15,952 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 14:18:15,952 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 14:18:15,952 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 14:18:15,952 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 14:18:15,952 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 14:18:15,952 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 14:18:15,953 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 14:18:15,953 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 14:18:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-10-24 14:18:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-24 14:18:15,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 14:18:15,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 14:18:15,977 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 14:18:15,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 14:18:15,985 INFO L82 PathProgramCache]: Analyzing trace with hash -28394951, now seen corresponding path program 1 times [2020-10-24 14:18:15,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 14:18:15,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315216384] [2020-10-24 14:18:16,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 14:18:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 14:18:16,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 14:18:16,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315216384] [2020-10-24 14:18:16,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 14:18:16,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 14:18:16,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034000947] [2020-10-24 14:18:16,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 14:18:16,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 14:18:16,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 14:18:16,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 14:18:16,185 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2020-10-24 14:18:16,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 14:18:16,202 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions. [2020-10-24 14:18:16,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 14:18:16,204 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-10-24 14:18:16,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 14:18:16,213 INFO L225 Difference]: With dead ends: 58 [2020-10-24 14:18:16,213 INFO L226 Difference]: Without dead ends: 26 [2020-10-24 14:18:16,217 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 [2020-10-24 14:18:16,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-24 14:18:16,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-24 14:18:16,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-24 14:18:16,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2020-10-24 14:18:16,254 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 14 [2020-10-24 14:18:16,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 14:18:16,255 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2020-10-24 14:18:16,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 14:18:16,255 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2020-10-24 14:18:16,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-24 14:18:16,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 14:18:16,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 14:18:16,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 14:18:16,256 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 14:18:16,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 14:18:16,257 INFO L82 PathProgramCache]: Analyzing trace with hash 229770487, now seen corresponding path program 1 times [2020-10-24 14:18:16,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 14:18:16,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85354352] [2020-10-24 14:18:16,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 14:18:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 14:18:16,303 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 14:18:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 14:18:16,332 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 14:18:16,360 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 14:18:16,360 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 14:18:16,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 14:18:16,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:18:16 BoogieIcfgContainer [2020-10-24 14:18:16,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 14:18:16,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 14:18:16,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 14:18:16,418 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 14:18:16,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:18:15" (3/4) ... [2020-10-24 14:18:16,421 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 14:18:16,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 14:18:16,424 INFO L168 Benchmark]: Toolchain (without parser) took 1780.16 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.4 MB in the beginning and 20.1 MB in the end (delta: -640.6 kB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-10-24 14:18:16,425 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 41.9 MB. Free memory was 22.5 MB in the beginning and 22.5 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:18:16,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.67 ms. Allocated memory is still 41.9 MB. Free memory was 18.8 MB in the beginning and 19.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-24 14:18:16,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.14 ms. Allocated memory is still 41.9 MB. Free memory was 19.9 MB in the beginning and 18.2 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:18:16,429 INFO L168 Benchmark]: Boogie Preprocessor took 69.58 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.2 MB in the beginning and 34.9 MB in the end (delta: -16.8 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-10-24 14:18:16,430 INFO L168 Benchmark]: RCFGBuilder took 647.90 ms. Allocated memory is still 50.3 MB. Free memory was 34.8 MB in the beginning and 31.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2020-10-24 14:18:16,431 INFO L168 Benchmark]: TraceAbstraction took 552.77 ms. Allocated memory is still 50.3 MB. Free memory was 30.8 MB in the beginning and 20.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-10-24 14:18:16,432 INFO L168 Benchmark]: Witness Printer took 4.24 ms. Allocated memory is still 50.3 MB. Free memory was 20.3 MB in the beginning and 20.1 MB in the end (delta: 246.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:18:16,444 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 41.9 MB. Free memory was 22.5 MB in the beginning and 22.5 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 429.67 ms. Allocated memory is still 41.9 MB. Free memory was 18.8 MB in the beginning and 19.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.14 ms. Allocated memory is still 41.9 MB. Free memory was 19.9 MB in the beginning and 18.2 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.58 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.2 MB in the beginning and 34.9 MB in the end (delta: -16.8 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 647.90 ms. Allocated memory is still 50.3 MB. Free memory was 34.8 MB in the beginning and 31.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 552.77 ms. Allocated memory is still 50.3 MB. Free memory was 30.8 MB in the beginning and 20.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.24 ms. Allocated memory is still 50.3 MB. Free memory was 20.3 MB in the beginning and 20.1 MB in the end (delta: 246.4 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 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] [L3] __assert_fail("0", "bary_diverge.c", 3, "reach_error") VAL [C1=50, I=49, INIT=1, X=49, Y=49, Z=49] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, 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=31occurred 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-ee8e70e [2020-10-24 14:18:19,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 14:18:19,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 14:18:19,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 14:18:19,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 14:18:19,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 14:18:19,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 14:18:19,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 14:18:19,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 14:18:19,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 14:18:19,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 14:18:19,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 14:18:19,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 14:18:19,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 14:18:19,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 14:18:19,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 14:18:19,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 14:18:19,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 14:18:19,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 14:18:19,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 14:18:19,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 14:18:19,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 14:18:19,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 14:18:19,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 14:18:19,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 14:18:19,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 14:18:19,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 14:18:19,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 14:18:19,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 14:18:19,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 14:18:19,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 14:18:19,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 14:18:19,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 14:18:19,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 14:18:19,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 14:18:19,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 14:18:19,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 14:18:19,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 14:18:19,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 14:18:19,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 14:18:19,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 14:18:19,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 14:18:19,236 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 14:18:19,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 14:18:19,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 14:18:19,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 14:18:19,242 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 14:18:19,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 14:18:19,243 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 14:18:19,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 14:18:19,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 14:18:19,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 14:18:19,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 14:18:19,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 14:18:19,248 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 14:18:19,249 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 14:18:19,249 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 14:18:19,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 14:18:19,250 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 14:18:19,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 14:18:19,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 14:18:19,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 14:18:19,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 14:18:19,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 14:18:19,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 14:18:19,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 14:18:19,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 14:18:19,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 14:18:19,252 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 14:18:19,253 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 14:18:19,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 14:18:19,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 14:18:19,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 14:18:19,254 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4217b41001a9030eb8124c79f0e7a7772f611bd4 [2020-10-24 14:18:19,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 14:18:19,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 14:18:19,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 14:18:19,773 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 14:18:19,773 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 14:18:19,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/bary_diverge.c [2020-10-24 14:18:19,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a037df785/8977aa02a32f4d03af56e60b1d5c7839/FLAGa8ccdae2f [2020-10-24 14:18:20,491 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 14:18:20,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-benchs/bary_diverge.c [2020-10-24 14:18:20,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a037df785/8977aa02a32f4d03af56e60b1d5c7839/FLAGa8ccdae2f [2020-10-24 14:18:20,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a037df785/8977aa02a32f4d03af56e60b1d5c7839 [2020-10-24 14:18:20,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 14:18:20,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 14:18:20,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 14:18:20,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 14:18:20,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 14:18:20,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:18:20" (1/1) ... [2020-10-24 14:18:20,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724b87bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:20, skipping insertion in model container [2020-10-24 14:18:20,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:18:20" (1/1) ... [2020-10-24 14:18:20,857 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 14:18:20,874 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 14:18:21,063 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:18:21,082 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 14:18:21,110 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:18:21,133 INFO L217 MainTranslator]: Completed translation [2020-10-24 14:18:21,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21 WrapperNode [2020-10-24 14:18:21,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 14:18:21,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 14:18:21,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 14:18:21,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 14:18:21,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21" (1/1) ... [2020-10-24 14:18:21,160 ERROR L1131 TypeChecker]: C: float C1, I; [20]: Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~C1~0 := ~Pluszero~FLOAT(); [2020-10-24 14:18:21,161 ERROR L1131 TypeChecker]: C: float C1, I; [20]: Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~I~0 := ~Pluszero~FLOAT(); [2020-10-24 14:18:21,161 ERROR L1131 TypeChecker]: C: static float X,Y,Z; [34]: Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~X~0 := ~Pluszero~FLOAT(); [2020-10-24 14:18:21,161 ERROR L1131 TypeChecker]: C: static float X,Y,Z; [34]: Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~Y~0 := ~Pluszero~FLOAT(); [2020-10-24 14:18:21,162 ERROR L1131 TypeChecker]: C: static float X,Y,Z; [34]: Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~Z~0 := ~Pluszero~FLOAT(); [2020-10-24 14:18:21,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21" (1/1) ... [2020-10-24 14:18:21,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 14:18:21,165 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-24 14:18:21,168 INFO L168 Benchmark]: Toolchain (without parser) took 337.51 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.7 MB in the beginning and 31.2 MB in the end (delta: -8.5 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-24 14:18:21,169 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 46.1 MB. Free memory was 24.1 MB in the beginning and 24.0 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:18:21,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.09 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.1 MB in the beginning and 32.5 MB in the end (delta: -10.4 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-10-24 14:18:21,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.79 ms. Allocated memory is still 56.6 MB. Free memory was 32.5 MB in the beginning and 31.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:18:21,176 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 46.1 MB. Free memory was 24.1 MB in the beginning and 24.0 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 296.09 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.1 MB in the beginning and 32.5 MB in the end (delta: -10.4 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.79 ms. Allocated memory is still 56.6 MB. Free memory was 32.5 MB in the beginning and 31.4 MB in the end (delta: 1.1 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...