./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 35987657 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 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 22:27:54,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 22:27:54,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 22:27:54,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 22:27:54,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 22:27:54,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 22:27:54,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 22:27:54,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 22:27:54,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 22:27:54,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 22:27:54,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 22:27:54,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 22:27:54,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 22:27:54,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 22:27:54,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 22:27:54,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 22:27:54,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 22:27:54,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 22:27:54,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 22:27:54,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 22:27:54,118 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 22:27:54,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 22:27:54,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 22:27:54,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 22:27:54,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 22:27:54,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 22:27:54,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 22:27:54,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 22:27:54,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 22:27:54,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 22:27:54,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 22:27:54,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 22:27:54,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 22:27:54,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 22:27:54,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 22:27:54,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 22:27:54,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 22:27:54,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 22:27:54,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 22:27:54,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 22:27:54,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 22:27:54,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 22:27:54,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-20 22:27:54,175 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 22:27:54,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 22:27:54,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 22:27:54,176 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 22:27:54,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 22:27:54,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 22:27:54,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 22:27:54,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 22:27:54,177 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 22:27:54,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 22:27:54,179 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 22:27:54,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 22:27:54,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 22:27:54,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 22:27:54,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 22:27:54,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 22:27:54,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 22:27:54,180 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 22:27:54,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 22:27:54,180 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 22:27:54,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 22:27:54,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 22:27:54,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 22:27:54,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 22:27:54,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:27:54,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 22:27:54,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 22:27:54,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 22:27:54,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 22:27:54,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 22:27:54,184 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 22:27:54,184 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 22:27:54,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 22:27:54,184 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2022-07-20 22:27:54,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 22:27:54,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 22:27:54,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 22:27:54,407 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 22:27:54,408 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 22:27:54,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-07-20 22:27:54,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3eb9abf4/02ef49fcd79b4b40bf1a7f5abc10a408/FLAGfc45ec6ec [2022-07-20 22:27:54,832 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 22:27:54,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-07-20 22:27:54,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3eb9abf4/02ef49fcd79b4b40bf1a7f5abc10a408/FLAGfc45ec6ec [2022-07-20 22:27:55,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3eb9abf4/02ef49fcd79b4b40bf1a7f5abc10a408 [2022-07-20 22:27:55,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 22:27:55,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 22:27:55,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 22:27:55,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 22:27:55,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 22:27:55,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:27:55" (1/1) ... [2022-07-20 22:27:55,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7559b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:55, skipping insertion in model container [2022-07-20 22:27:55,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:27:55" (1/1) ... [2022-07-20 22:27:55,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 22:27:55,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 22:27:55,503 WARN L230 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] [2022-07-20 22:27:55,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:27:55,518 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 22:27:55,534 WARN L230 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] [2022-07-20 22:27:55,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:27:55,546 INFO L208 MainTranslator]: Completed translation [2022-07-20 22:27:55,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:55 WrapperNode [2022-07-20 22:27:55,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 22:27:55,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 22:27:55,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 22:27:55,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 22:27:55,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:55" (1/1) ... [2022-07-20 22:27:55,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:55" (1/1) ... [2022-07-20 22:27:55,581 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-07-20 22:27:55,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 22:27:55,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 22:27:55,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 22:27:55,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 22:27:55,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:55" (1/1) ... [2022-07-20 22:27:55,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:55" (1/1) ... [2022-07-20 22:27:55,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:55" (1/1) ... [2022-07-20 22:27:55,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:55" (1/1) ... [2022-07-20 22:27:55,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:55" (1/1) ... [2022-07-20 22:27:55,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:55" (1/1) ... [2022-07-20 22:27:55,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:55" (1/1) ... [2022-07-20 22:27:55,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 22:27:55,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 22:27:55,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 22:27:55,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 22:27:55,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:55" (1/1) ... [2022-07-20 22:27:55,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:27:55,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:27:55,636 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) [2022-07-20 22:27:55,662 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 [2022-07-20 22:27:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 22:27:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 22:27:55,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 22:27:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 22:27:55,737 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 22:27:55,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 22:27:55,801 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 22:27:55,806 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 22:27:55,806 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 22:27:55,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:27:55 BoogieIcfgContainer [2022-07-20 22:27:55,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 22:27:55,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 22:27:55,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 22:27:55,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 22:27:55,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:27:55" (1/3) ... [2022-07-20 22:27:55,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d799bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:27:55, skipping insertion in model container [2022-07-20 22:27:55,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:55" (2/3) ... [2022-07-20 22:27:55,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d799bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:27:55, skipping insertion in model container [2022-07-20 22:27:55,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:27:55" (3/3) ... [2022-07-20 22:27:55,815 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2022-07-20 22:27:55,829 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 22:27:55,829 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 22:27:55,869 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 22:27:55,876 INFO L357 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, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7877d894, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4cc4ef78 [2022-07-20 22:27:55,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 22:27:55,880 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) [2022-07-20 22:27:55,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-20 22:27:55,885 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:27:55,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-20 22:27:55,886 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:27:55,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:27:55,892 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-07-20 22:27:55,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:27:55,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118764999] [2022-07-20 22:27:55,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:27:55,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:27:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 22:27:55,986 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-20 22:27:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 22:27:56,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-20 22:27:56,023 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-20 22:27:56,025 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 22:27:56,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 22:27:56,032 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-20 22:27:56,041 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 22:27:56,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:27:56 BoogieIcfgContainer [2022-07-20 22:27:56,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 22:27:56,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 22:27:56,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 22:27:56,064 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 22:27:56,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:27:55" (3/4) ... [2022-07-20 22:27:56,067 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-20 22:27:56,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 22:27:56,069 INFO L158 Benchmark]: Toolchain (without parser) took 788.84ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 56.3MB in the beginning and 85.2MB in the end (delta: -28.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:27:56,070 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory was 43.5MB in the beginning and 43.5MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:27:56,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.73ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 66.2MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-20 22:27:56,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.68ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 64.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-20 22:27:56,073 INFO L158 Benchmark]: Boogie Preprocessor took 22.14ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 63.8MB in the end (delta: 829.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:27:56,077 INFO L158 Benchmark]: RCFGBuilder took 202.95ms. Allocated memory is still 90.2MB. Free memory was 63.8MB in the beginning and 56.0MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-20 22:27:56,078 INFO L158 Benchmark]: TraceAbstraction took 251.00ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 55.5MB in the beginning and 85.6MB in the end (delta: -30.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-07-20 22:27:56,079 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 109.1MB. Free memory was 85.5MB in the beginning and 85.2MB in the end (delta: 327.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:27:56,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory was 43.5MB in the beginning and 43.5MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.73ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 66.2MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.68ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 64.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.14ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 63.8MB in the end (delta: 829.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 202.95ms. Allocated memory is still 90.2MB. Free memory was 63.8MB in the beginning and 56.0MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 251.00ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 55.5MB in the beginning and 85.6MB in the end (delta: -30.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 109.1MB. Free memory was 85.5MB in the beginning and 85.2MB in the end (delta: 327.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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 VAL [i=1] [L12] reach_error() VAL [i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-20 22:27:56,135 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 22:27:58,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 22:27:58,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 22:27:58,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 22:27:58,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 22:27:58,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 22:27:58,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 22:27:58,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 22:27:58,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 22:27:58,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 22:27:58,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 22:27:58,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 22:27:58,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 22:27:58,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 22:27:58,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 22:27:58,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 22:27:58,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 22:27:58,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 22:27:58,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 22:27:58,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 22:27:58,154 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 22:27:58,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 22:27:58,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 22:27:58,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 22:27:58,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 22:27:58,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 22:27:58,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 22:27:58,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 22:27:58,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 22:27:58,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 22:27:58,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 22:27:58,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 22:27:58,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 22:27:58,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 22:27:58,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 22:27:58,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 22:27:58,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 22:27:58,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 22:27:58,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 22:27:58,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 22:27:58,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 22:27:58,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 22:27:58,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-20 22:27:58,214 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 22:27:58,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 22:27:58,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 22:27:58,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 22:27:58,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 22:27:58,216 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 22:27:58,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 22:27:58,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 22:27:58,217 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 22:27:58,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 22:27:58,217 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 22:27:58,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 22:27:58,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 22:27:58,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 22:27:58,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 22:27:58,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 22:27:58,226 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 22:27:58,226 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 22:27:58,227 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 22:27:58,227 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 22:27:58,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 22:27:58,227 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 22:27:58,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 22:27:58,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 22:27:58,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 22:27:58,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 22:27:58,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:27:58,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 22:27:58,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 22:27:58,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 22:27:58,230 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 22:27:58,230 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 22:27:58,230 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 22:27:58,230 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 22:27:58,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 22:27:58,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 22:27:58,232 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2022-07-20 22:27:58,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 22:27:58,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 22:27:58,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 22:27:58,599 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 22:27:58,600 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 22:27:58,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-07-20 22:27:58,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6823af6/75f92bc45ffa46ebaee7bd47499078a7/FLAG04165fe76 [2022-07-20 22:27:59,100 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 22:27:59,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-07-20 22:27:59,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6823af6/75f92bc45ffa46ebaee7bd47499078a7/FLAG04165fe76 [2022-07-20 22:27:59,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6823af6/75f92bc45ffa46ebaee7bd47499078a7 [2022-07-20 22:27:59,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 22:27:59,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 22:27:59,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 22:27:59,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 22:27:59,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 22:27:59,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:27:59" (1/1) ... [2022-07-20 22:27:59,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210c3876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:59, skipping insertion in model container [2022-07-20 22:27:59,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:27:59" (1/1) ... [2022-07-20 22:27:59,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 22:27:59,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 22:27:59,681 WARN L230 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] [2022-07-20 22:27:59,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:27:59,696 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 22:27:59,707 WARN L230 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] [2022-07-20 22:27:59,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:27:59,730 INFO L208 MainTranslator]: Completed translation [2022-07-20 22:27:59,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:59 WrapperNode [2022-07-20 22:27:59,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 22:27:59,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 22:27:59,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 22:27:59,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 22:27:59,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:59" (1/1) ... [2022-07-20 22:27:59,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:59" (1/1) ... [2022-07-20 22:27:59,786 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-07-20 22:27:59,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 22:27:59,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 22:27:59,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 22:27:59,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 22:27:59,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:59" (1/1) ... [2022-07-20 22:27:59,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:59" (1/1) ... [2022-07-20 22:27:59,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:59" (1/1) ... [2022-07-20 22:27:59,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:59" (1/1) ... [2022-07-20 22:27:59,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:59" (1/1) ... [2022-07-20 22:27:59,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:59" (1/1) ... [2022-07-20 22:27:59,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:59" (1/1) ... [2022-07-20 22:27:59,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 22:27:59,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 22:27:59,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 22:27:59,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 22:27:59,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:59" (1/1) ... [2022-07-20 22:27:59,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:27:59,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:27:59,853 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) [2022-07-20 22:27:59,878 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 [2022-07-20 22:27:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 22:27:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 22:27:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 22:27:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 22:27:59,966 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 22:27:59,968 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 22:28:00,059 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 22:28:00,065 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 22:28:00,065 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 22:28:00,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:28:00 BoogieIcfgContainer [2022-07-20 22:28:00,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 22:28:00,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 22:28:00,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 22:28:00,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 22:28:00,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:27:59" (1/3) ... [2022-07-20 22:28:00,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da15b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:28:00, skipping insertion in model container [2022-07-20 22:28:00,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:27:59" (2/3) ... [2022-07-20 22:28:00,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da15b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:28:00, skipping insertion in model container [2022-07-20 22:28:00,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:28:00" (3/3) ... [2022-07-20 22:28:00,078 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2022-07-20 22:28:00,093 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 22:28:00,093 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 22:28:00,151 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 22:28:00,159 INFO L357 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, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@15a4e994, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5ce71610 [2022-07-20 22:28:00,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 22:28:00,169 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) [2022-07-20 22:28:00,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-20 22:28:00,174 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:28:00,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-20 22:28:00,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:28:00,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:28:00,182 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-07-20 22:28:00,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 22:28:00,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965726354] [2022-07-20 22:28:00,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:28:00,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 22:28:00,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 22:28:00,199 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) [2022-07-20 22:28:00,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 22:28:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 22:28:00,264 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-20 22:28:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 22:28:00,319 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-20 22:28:00,321 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-20 22:28:00,322 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 22:28:00,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 22:28:00,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 22:28:00,551 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-20 22:28:00,554 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 22:28:00,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:28:00 BoogieIcfgContainer [2022-07-20 22:28:00,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 22:28:00,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 22:28:00,570 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 22:28:00,570 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 22:28:00,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:28:00" (3/4) ... [2022-07-20 22:28:00,572 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-20 22:28:00,598 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-20 22:28:00,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 22:28:00,599 INFO L158 Benchmark]: Toolchain (without parser) took 1076.48ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 23.9MB in the beginning and 33.6MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:28:00,600 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 48.2MB. Free memory was 30.1MB in the beginning and 30.1MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:28:00,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.49ms. Allocated memory is still 48.2MB. Free memory was 23.8MB in the beginning and 25.2MB in the end (delta: -1.4MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2022-07-20 22:28:00,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.43ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 25.2MB in the beginning and 41.7MB in the end (delta: -16.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-20 22:28:00,601 INFO L158 Benchmark]: Boogie Preprocessor took 28.30ms. Allocated memory is still 58.7MB. Free memory was 41.7MB in the beginning and 40.8MB in the end (delta: 934.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:28:00,604 INFO L158 Benchmark]: RCFGBuilder took 251.24ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 33.3MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-20 22:28:00,606 INFO L158 Benchmark]: TraceAbstraction took 498.70ms. Allocated memory is still 58.7MB. Free memory was 32.7MB in the beginning and 35.2MB in the end (delta: -2.5MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2022-07-20 22:28:00,606 INFO L158 Benchmark]: Witness Printer took 28.58ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 33.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:28:00,609 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 48.2MB. Free memory was 30.1MB in the beginning and 30.1MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.49ms. Allocated memory is still 48.2MB. Free memory was 23.8MB in the beginning and 25.2MB in the end (delta: -1.4MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.43ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 25.2MB in the beginning and 41.7MB in the end (delta: -16.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.30ms. Allocated memory is still 58.7MB. Free memory was 41.7MB in the beginning and 40.8MB in the end (delta: 934.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 251.24ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 33.3MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 498.70ms. Allocated memory is still 58.7MB. Free memory was 32.7MB in the beginning and 35.2MB in the end (delta: -2.5MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. * Witness Printer took 28.58ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 33.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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; VAL [f=1.0, i=1] [L8] COND TRUE i == 1 VAL [f=1.0, i=1] [L12] reach_error() VAL [f=1.0, i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-07-20 22:28:00,643 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE