./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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 ../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.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 08add9a6524e786a6398bc07d28566d5f0a52583 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 ../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.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 08add9a6524e786a6398bc07d28566d5f0a52583 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 20:07:56,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 20:07:56,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 20:07:56,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 20:07:56,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 20:07:56,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 20:07:56,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 20:07:56,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 20:07:56,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 20:07:56,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 20:07:56,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 20:07:56,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 20:07:56,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 20:07:56,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 20:07:56,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 20:07:56,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 20:07:56,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 20:07:56,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 20:07:56,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 20:07:56,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 20:07:56,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 20:07:56,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 20:07:56,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 20:07:56,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 20:07:56,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 20:07:56,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 20:07:56,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 20:07:56,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 20:07:56,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 20:07:56,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 20:07:56,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 20:07:56,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 20:07:56,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 20:07:56,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 20:07:56,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 20:07:56,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 20:07:56,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 20:07:56,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 20:07:56,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 20:07:56,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 20:07:56,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 20:07:56,275 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 20:07:56,312 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 20:07:56,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 20:07:56,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 20:07:56,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 20:07:56,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 20:07:56,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 20:07:56,316 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 20:07:56,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 20:07:56,317 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 20:07:56,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 20:07:56,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 20:07:56,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 20:07:56,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 20:07:56,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 20:07:56,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 20:07:56,319 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 20:07:56,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 20:07:56,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 20:07:56,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 20:07:56,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 20:07:56,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 20:07:56,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 20:07:56,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 20:07:56,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 20:07:56,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 20:07:56,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 20:07:56,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 20:07:56,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 20:07:56,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 20:07:56,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 20:07:56,327 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08add9a6524e786a6398bc07d28566d5f0a52583 [2021-08-25 20:07:56,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 20:07:56,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 20:07:56,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 20:07:56,877 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 20:07:56,877 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 20:07:56,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-08-25 20:07:56,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/214bfbc11/e6be7372252d4c839a187d26869aaa9c/FLAG8ca21df30 [2021-08-25 20:07:57,666 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 20:07:57,667 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-08-25 20:07:57,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/214bfbc11/e6be7372252d4c839a187d26869aaa9c/FLAG8ca21df30 [2021-08-25 20:07:57,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/214bfbc11/e6be7372252d4c839a187d26869aaa9c [2021-08-25 20:07:58,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 20:07:58,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 20:07:58,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 20:07:58,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 20:07:58,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 20:07:58,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 08:07:58" (1/1) ... [2021-08-25 20:07:58,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691b24d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:07:58, skipping insertion in model container [2021-08-25 20:07:58,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 08:07:58" (1/1) ... [2021-08-25 20:07:58,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 20:07:58,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 20:07:58,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-08-25 20:07:58,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 20:07:58,322 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 20:07:58,347 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-08-25 20:07:58,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 20:07:58,359 INFO L208 MainTranslator]: Completed translation [2021-08-25 20:07:58,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:07:58 WrapperNode [2021-08-25 20:07:58,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 20:07:58,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 20:07:58,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 20:07:58,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 20:07:58,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:07:58" (1/1) ... [2021-08-25 20:07:58,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:07:58" (1/1) ... [2021-08-25 20:07:58,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 20:07:58,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 20:07:58,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 20:07:58,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 20:07:58,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:07:58" (1/1) ... [2021-08-25 20:07:58,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:07:58" (1/1) ... [2021-08-25 20:07:58,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:07:58" (1/1) ... [2021-08-25 20:07:58,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:07:58" (1/1) ... [2021-08-25 20:07:58,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:07:58" (1/1) ... [2021-08-25 20:07:58,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:07:58" (1/1) ... [2021-08-25 20:07:58,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:07:58" (1/1) ... [2021-08-25 20:07:58,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 20:07:58,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 20:07:58,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 20:07:58,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 20:07:58,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:07:58" (1/1) ... [2021-08-25 20:07:58,503 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 20:07:58,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:07:58,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-25 20:07:58,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-25 20:07:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 20:07:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 20:07:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 20:07:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 20:07:58,769 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 20:07:58,770 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-25 20:07:58,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:07:58 BoogieIcfgContainer [2021-08-25 20:07:58,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 20:07:58,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 20:07:58,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 20:07:58,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 20:07:58,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 08:07:58" (1/3) ... [2021-08-25 20:07:58,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@623d7581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 08:07:58, skipping insertion in model container [2021-08-25 20:07:58,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:07:58" (2/3) ... [2021-08-25 20:07:58,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@623d7581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 08:07:58, skipping insertion in model container [2021-08-25 20:07:58,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:07:58" (3/3) ... [2021-08-25 20:07:58,779 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2021-08-25 20:07:58,783 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 20:07:58,783 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 20:07:58,851 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 20:07:58,863 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-25 20:07:58,867 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 20:07:58,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:07:58,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-08-25 20:07:58,912 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:07:58,913 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-08-25 20:07:58,913 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:07:58,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:07:58,918 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-08-25 20:07:58,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:07:58,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046154010] [2021-08-25 20:07:58,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:07:58,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:07:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-25 20:07:59,037 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-25 20:07:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-25 20:07:59,094 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-25 20:07:59,097 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-25 20:07:59,098 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 20:07:59,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 20:07:59,105 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 20:07:59,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 08:07:59 BoogieIcfgContainer [2021-08-25 20:07:59,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 20:07:59,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 20:07:59,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 20:07:59,126 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 20:07:59,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:07:58" (3/4) ... [2021-08-25 20:07:59,130 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-25 20:07:59,130 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 20:07:59,133 INFO L168 Benchmark]: Toolchain (without parser) took 1116.95 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 29.5 MB in the beginning and 42.1 MB in the end (delta: -12.6 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2021-08-25 20:07:59,134 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 52.4 MB. Free memory was 34.4 MB in the beginning and 34.4 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 20:07:59,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.63 ms. Allocated memory is still 52.4 MB. Free memory was 29.3 MB in the beginning and 33.5 MB in the end (delta: -4.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-08-25 20:07:59,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.79 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 33.5 MB in the beginning and 50.7 MB in the end (delta: -17.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-25 20:07:59,136 INFO L168 Benchmark]: Boogie Preprocessor took 23.27 ms. Allocated memory is still 67.1 MB. Free memory was 50.7 MB in the beginning and 49.7 MB in the end (delta: 934.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 20:07:59,138 INFO L168 Benchmark]: RCFGBuilder took 275.69 ms. Allocated memory is still 67.1 MB. Free memory was 49.7 MB in the beginning and 39.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-25 20:07:59,142 INFO L168 Benchmark]: TraceAbstraction took 348.65 ms. Allocated memory is still 67.1 MB. Free memory was 39.2 MB in the beginning and 42.3 MB in the end (delta: -3.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 20:07:59,143 INFO L168 Benchmark]: Witness Printer took 4.06 ms. Allocated memory is still 67.1 MB. Free memory was 42.3 MB in the beginning and 42.1 MB in the end (delta: 274.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-25 20:07:59,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 52.4 MB. Free memory was 34.4 MB in the beginning and 34.4 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 353.63 ms. Allocated memory is still 52.4 MB. Free memory was 29.3 MB in the beginning and 33.5 MB in the end (delta: -4.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.79 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 33.5 MB in the beginning and 50.7 MB in the end (delta: -17.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.27 ms. Allocated memory is still 67.1 MB. Free memory was 50.7 MB in the beginning and 49.7 MB in the end (delta: 934.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 275.69 ms. Allocated memory is still 67.1 MB. Free memory was 49.7 MB in the beginning and 39.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 348.65 ms. Allocated memory is still 67.1 MB. Free memory was 39.2 MB in the beginning and 42.3 MB in the end (delta: -3.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.06 ms. Allocated memory is still 67.1 MB. Free memory was 42.3 MB in the beginning and 42.1 MB in the end (delta: 274.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 6. Possible FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 253.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 23.4ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.0ms SsaConstructionTime, 32.9ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-25 20:07:59,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 20:08:01,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 20:08:01,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 20:08:02,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 20:08:02,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 20:08:02,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 20:08:02,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 20:08:02,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 20:08:02,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 20:08:02,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 20:08:02,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 20:08:02,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 20:08:02,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 20:08:02,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 20:08:02,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 20:08:02,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 20:08:02,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 20:08:02,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 20:08:02,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 20:08:02,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 20:08:02,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 20:08:02,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 20:08:02,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 20:08:02,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 20:08:02,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 20:08:02,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 20:08:02,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 20:08:02,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 20:08:02,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 20:08:02,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 20:08:02,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 20:08:02,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 20:08:02,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 20:08:02,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 20:08:02,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 20:08:02,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 20:08:02,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 20:08:02,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 20:08:02,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 20:08:02,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 20:08:02,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 20:08:02,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-25 20:08:02,112 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 20:08:02,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 20:08:02,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 20:08:02,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 20:08:02,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 20:08:02,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 20:08:02,115 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 20:08:02,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 20:08:02,115 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 20:08:02,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 20:08:02,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 20:08:02,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 20:08:02,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 20:08:02,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 20:08:02,116 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-25 20:08:02,116 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-25 20:08:02,117 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 20:08:02,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 20:08:02,117 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 20:08:02,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 20:08:02,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 20:08:02,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 20:08:02,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 20:08:02,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 20:08:02,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 20:08:02,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 20:08:02,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 20:08:02,119 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-25 20:08:02,119 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-25 20:08:02,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 20:08:02,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 20:08:02,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-25 20:08:02,120 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08add9a6524e786a6398bc07d28566d5f0a52583 [2021-08-25 20:08:02,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 20:08:02,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 20:08:02,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 20:08:02,474 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 20:08:02,475 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 20:08:02,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-08-25 20:08:02,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dd686ba6/de9a950da9174182af09e50a8440352a/FLAG89a300441 [2021-08-25 20:08:02,857 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 20:08:02,858 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-08-25 20:08:02,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dd686ba6/de9a950da9174182af09e50a8440352a/FLAG89a300441 [2021-08-25 20:08:03,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dd686ba6/de9a950da9174182af09e50a8440352a [2021-08-25 20:08:03,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 20:08:03,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 20:08:03,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 20:08:03,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 20:08:03,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 20:08:03,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 08:08:03" (1/1) ... [2021-08-25 20:08:03,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39258fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:08:03, skipping insertion in model container [2021-08-25 20:08:03,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 08:08:03" (1/1) ... [2021-08-25 20:08:03,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 20:08:03,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 20:08:03,588 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-08-25 20:08:03,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 20:08:03,628 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 20:08:03,657 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-08-25 20:08:03,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 20:08:03,672 INFO L208 MainTranslator]: Completed translation [2021-08-25 20:08:03,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:08:03 WrapperNode [2021-08-25 20:08:03,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 20:08:03,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 20:08:03,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 20:08:03,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 20:08:03,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:08:03" (1/1) ... [2021-08-25 20:08:03,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:08:03" (1/1) ... [2021-08-25 20:08:03,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 20:08:03,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 20:08:03,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 20:08:03,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 20:08:03,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:08:03" (1/1) ... [2021-08-25 20:08:03,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:08:03" (1/1) ... [2021-08-25 20:08:03,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:08:03" (1/1) ... [2021-08-25 20:08:03,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:08:03" (1/1) ... [2021-08-25 20:08:03,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:08:03" (1/1) ... [2021-08-25 20:08:03,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:08:03" (1/1) ... [2021-08-25 20:08:03,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:08:03" (1/1) ... [2021-08-25 20:08:03,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 20:08:03,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 20:08:03,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 20:08:03,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 20:08:03,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:08:03" (1/1) ... [2021-08-25 20:08:03,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 20:08:03,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:08:03,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-25 20:08:03,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-25 20:08:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 20:08:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 20:08:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-25 20:08:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 20:08:04,330 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 20:08:04,330 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-25 20:08:04,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:08:04 BoogieIcfgContainer [2021-08-25 20:08:04,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 20:08:04,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 20:08:04,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 20:08:04,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 20:08:04,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 08:08:03" (1/3) ... [2021-08-25 20:08:04,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5edd66e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 08:08:04, skipping insertion in model container [2021-08-25 20:08:04,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:08:03" (2/3) ... [2021-08-25 20:08:04,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5edd66e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 08:08:04, skipping insertion in model container [2021-08-25 20:08:04,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:08:04" (3/3) ... [2021-08-25 20:08:04,359 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2021-08-25 20:08:04,367 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 20:08:04,367 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 20:08:04,418 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 20:08:04,424 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-25 20:08:04,424 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 20:08:04,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:08:04,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-08-25 20:08:04,442 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:08:04,442 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-08-25 20:08:04,443 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:08:04,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:08:04,451 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-08-25 20:08:04,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-25 20:08:04,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406608747] [2021-08-25 20:08:04,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:08:04,462 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-25 20:08:04,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-25 20:08:04,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-25 20:08:04,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-25 20:08:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-25 20:08:04,580 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-25 20:08:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-25 20:08:04,645 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-25 20:08:04,648 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-25 20:08:04,649 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 20:08:04,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-08-25 20:08:04,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-25 20:08:04,868 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 20:08:04,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 08:08:04 BoogieIcfgContainer [2021-08-25 20:08:04,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 20:08:04,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 20:08:04,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 20:08:04,890 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 20:08:04,891 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:08:04" (3/4) ... [2021-08-25 20:08:04,892 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-25 20:08:04,952 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 20:08:04,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 20:08:04,957 INFO L168 Benchmark]: Toolchain (without parser) took 1641.44 ms. Allocated memory is still 54.5 MB. Free memory was 33.6 MB in the beginning and 25.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-08-25 20:08:04,958 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 20:08:04,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.46 ms. Allocated memory is still 54.5 MB. Free memory was 33.5 MB in the beginning and 23.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-25 20:08:04,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.91 ms. Allocated memory is still 54.5 MB. Free memory was 23.9 MB in the beginning and 38.1 MB in the end (delta: -14.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-25 20:08:04,961 INFO L168 Benchmark]: Boogie Preprocessor took 55.47 ms. Allocated memory is still 54.5 MB. Free memory was 38.1 MB in the beginning and 37.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-25 20:08:04,970 INFO L168 Benchmark]: RCFGBuilder took 511.05 ms. Allocated memory is still 54.5 MB. Free memory was 36.9 MB in the beginning and 26.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-25 20:08:04,970 INFO L168 Benchmark]: TraceAbstraction took 540.04 ms. Allocated memory is still 54.5 MB. Free memory was 25.9 MB in the beginning and 27.1 MB in the end (delta: -1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 20:08:04,970 INFO L168 Benchmark]: Witness Printer took 62.81 ms. Allocated memory is still 54.5 MB. Free memory was 26.9 MB in the beginning and 25.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 20:08:04,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 373.46 ms. Allocated memory is still 54.5 MB. Free memory was 33.5 MB in the beginning and 23.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.91 ms. Allocated memory is still 54.5 MB. Free memory was 23.9 MB in the beginning and 38.1 MB in the end (delta: -14.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.47 ms. Allocated memory is still 54.5 MB. Free memory was 38.1 MB in the beginning and 37.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 511.05 ms. Allocated memory is still 54.5 MB. Free memory was 36.9 MB in the beginning and 26.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 540.04 ms. Allocated memory is still 54.5 MB. Free memory was 25.9 MB in the beginning and 27.1 MB in the end (delta: -1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 62.81 ms. Allocated memory is still 54.5 MB. Free memory was 26.9 MB in the beginning and 25.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 449.6ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 11.4ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 24.1ms SsaConstructionTime, 34.1ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-08-25 20:08:05,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...