/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 05:15:17,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 05:15:17,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 05:15:17,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 05:15:17,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 05:15:17,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 05:15:17,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 05:15:17,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 05:15:17,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 05:15:17,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 05:15:17,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 05:15:17,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 05:15:17,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 05:15:17,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 05:15:17,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 05:15:17,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 05:15:17,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 05:15:17,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 05:15:17,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 05:15:17,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 05:15:17,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 05:15:17,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 05:15:17,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 05:15:17,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 05:15:17,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 05:15:17,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 05:15:17,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 05:15:17,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 05:15:17,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 05:15:17,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 05:15:17,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 05:15:17,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 05:15:17,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 05:15:17,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 05:15:17,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 05:15:17,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 05:15:17,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 05:15:17,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 05:15:17,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 05:15:17,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 05:15:17,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 05:15:17,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 05:15:17,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 05:15:17,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 05:15:17,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 05:15:17,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 05:15:17,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 05:15:17,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 05:15:17,508 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 05:15:17,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 05:15:17,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 05:15:17,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 05:15:17,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 05:15:17,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 05:15:17,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 05:15:17,510 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 05:15:17,510 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 05:15:17,510 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 05:15:17,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 05:15:17,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 05:15:17,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 05:15:17,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 05:15:17,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 05:15:17,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:15:17,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 05:15:17,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 05:15:17,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 05:15:17,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 05:15:17,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 05:15:17,512 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 05:15:17,512 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 05:15:17,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 05:15:17,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 05:15:17,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 05:15:17,514 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 05:15:17,514 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 05:15:17,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 05:15:17,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 05:15:17,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 05:15:17,799 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 05:15:17,800 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 05:15:17,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c [2022-01-11 05:15:17,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9811adb1/6b6351743edb478f8a5f57a75eaf0284/FLAGd4eb7ff64 [2022-01-11 05:15:18,278 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 05:15:18,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c [2022-01-11 05:15:18,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9811adb1/6b6351743edb478f8a5f57a75eaf0284/FLAGd4eb7ff64 [2022-01-11 05:15:18,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9811adb1/6b6351743edb478f8a5f57a75eaf0284 [2022-01-11 05:15:18,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 05:15:18,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 05:15:18,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 05:15:18,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 05:15:18,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 05:15:18,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:15:18" (1/1) ... [2022-01-11 05:15:18,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113a96b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:18, skipping insertion in model container [2022-01-11 05:15:18,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:15:18" (1/1) ... [2022-01-11 05:15:18,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 05:15:18,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 05:15:18,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c[352,365] [2022-01-11 05:15:18,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:15:18,961 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 05:15:18,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c[352,365] [2022-01-11 05:15:18,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:15:18,992 INFO L208 MainTranslator]: Completed translation [2022-01-11 05:15:18,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:18 WrapperNode [2022-01-11 05:15:18,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 05:15:18,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 05:15:18,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 05:15:18,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 05:15:19,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:18" (1/1) ... [2022-01-11 05:15:19,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:18" (1/1) ... [2022-01-11 05:15:19,020 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-01-11 05:15:19,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 05:15:19,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 05:15:19,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 05:15:19,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 05:15:19,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:18" (1/1) ... [2022-01-11 05:15:19,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:18" (1/1) ... [2022-01-11 05:15:19,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:18" (1/1) ... [2022-01-11 05:15:19,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:18" (1/1) ... [2022-01-11 05:15:19,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:18" (1/1) ... [2022-01-11 05:15:19,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:18" (1/1) ... [2022-01-11 05:15:19,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:18" (1/1) ... [2022-01-11 05:15:19,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 05:15:19,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 05:15:19,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 05:15:19,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 05:15:19,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:18" (1/1) ... [2022-01-11 05:15:19,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:15:19,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 05:15:19,072 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) [2022-01-11 05:15:19,103 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 [2022-01-11 05:15:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 05:15:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 05:15:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 05:15:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 05:15:19,171 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 05:15:19,172 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 05:15:19,239 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 05:15:19,246 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 05:15:19,246 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-11 05:15:19,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:15:19 BoogieIcfgContainer [2022-01-11 05:15:19,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 05:15:19,248 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 05:15:19,248 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 05:15:19,250 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 05:15:19,252 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:15:19" (1/1) ... [2022-01-11 05:15:19,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:15:19 BasicIcfg [2022-01-11 05:15:19,320 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 05:15:19,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 05:15:19,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 05:15:19,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 05:15:19,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 05:15:18" (1/4) ... [2022-01-11 05:15:19,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1232def4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:15:19, skipping insertion in model container [2022-01-11 05:15:19,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:18" (2/4) ... [2022-01-11 05:15:19,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1232def4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:15:19, skipping insertion in model container [2022-01-11 05:15:19,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:15:19" (3/4) ... [2022-01-11 05:15:19,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1232def4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:15:19, skipping insertion in model container [2022-01-11 05:15:19,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:15:19" (4/4) ... [2022-01-11 05:15:19,329 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp1.cTransformedIcfg [2022-01-11 05:15:19,333 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 05:15:19,333 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 05:15:19,374 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 05:15:19,382 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, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-11 05:15:19,382 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 05:15:19,395 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) [2022-01-11 05:15:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-01-11 05:15:19,399 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:15:19,399 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-01-11 05:15:19,400 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:15:19,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:15:19,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1324740, now seen corresponding path program 1 times [2022-01-11 05:15:19,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:15:19,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757921974] [2022-01-11 05:15:19,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:15:19,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:15:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 05:15:19,516 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-11 05:15:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 05:15:19,559 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-11 05:15:19,560 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-11 05:15:19,562 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-11 05:15:19,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 05:15:19,568 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-11 05:15:19,570 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 05:15:19,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:15:19 BasicIcfg [2022-01-11 05:15:19,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 05:15:19,592 INFO L158 Benchmark]: Toolchain (without parser) took 891.46ms. Allocated memory was 186.6MB in the beginning and 280.0MB in the end (delta: 93.3MB). Free memory was 131.8MB in the beginning and 225.2MB in the end (delta: -93.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 05:15:19,593 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 05:15:19,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.61ms. Allocated memory was 186.6MB in the beginning and 280.0MB in the end (delta: 93.3MB). Free memory was 131.6MB in the beginning and 251.9MB in the end (delta: -120.3MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. [2022-01-11 05:15:19,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.63ms. Allocated memory is still 280.0MB. Free memory was 251.9MB in the beginning and 250.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-11 05:15:19,599 INFO L158 Benchmark]: Boogie Preprocessor took 20.40ms. Allocated memory is still 280.0MB. Free memory was 250.8MB in the beginning and 249.8MB in the end (delta: 997.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-11 05:15:19,599 INFO L158 Benchmark]: RCFGBuilder took 204.92ms. Allocated memory is still 280.0MB. Free memory was 249.8MB in the beginning and 240.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-11 05:15:19,600 INFO L158 Benchmark]: IcfgTransformer took 72.02ms. Allocated memory is still 280.0MB. Free memory was 240.9MB in the beginning and 238.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-11 05:15:19,601 INFO L158 Benchmark]: TraceAbstraction took 267.74ms. Allocated memory is still 280.0MB. Free memory was 237.8MB in the beginning and 225.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-11 05:15:19,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 290.61ms. Allocated memory was 186.6MB in the beginning and 280.0MB in the end (delta: 93.3MB). Free memory was 131.6MB in the beginning and 251.9MB in the end (delta: -120.3MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.63ms. Allocated memory is still 280.0MB. Free memory was 251.9MB in the beginning and 250.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.40ms. Allocated memory is still 280.0MB. Free memory was 250.8MB in the beginning and 249.8MB in the end (delta: 997.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 204.92ms. Allocated memory is still 280.0MB. Free memory was 249.8MB in the beginning and 240.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * IcfgTransformer took 72.02ms. Allocated memory is still 280.0MB. Free memory was 240.9MB in the beginning and 238.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 267.74ms. Allocated memory is still 280.0MB. Free memory was 237.8MB in the beginning and 225.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * 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 fp.to_ubv at line 9, overapproximation of to_fp_unsigned at line 10. Possible FailurePath: [L6] unsigned int i, j; [L7] double d; [L9] i=100.0 [L10] d=i [L11] j=d [L12] COND TRUE !(j==100) VAL [j=0] [L12] reach_error() VAL [j=0] - 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, PartialOrderReductionTime: 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 [2022-01-11 05:15:19,649 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...