/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_BITWISE.epf -i ../../../trunk/examples/svcomp/floats-esbmc-regression/isgreaterequal.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 11:49:17,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 11:49:17,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 11:49:17,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 11:49:17,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 11:49:17,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 11:49:17,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 11:49:17,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 11:49:17,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 11:49:17,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 11:49:17,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 11:49:17,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 11:49:17,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 11:49:17,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 11:49:17,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 11:49:17,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 11:49:17,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 11:49:17,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 11:49:17,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 11:49:17,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 11:49:17,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 11:49:17,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 11:49:17,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 11:49:17,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 11:49:17,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 11:49:17,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 11:49:17,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 11:49:17,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 11:49:17,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 11:49:17,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 11:49:17,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 11:49:17,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 11:49:17,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 11:49:17,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 11:49:17,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 11:49:17,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 11:49:17,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 11:49:17,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 11:49:17,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 11:49:17,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 11:49:17,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 11:49:17,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 11:49:17,318 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 11:49:17,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 11:49:17,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 11:49:17,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 11:49:17,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 11:49:17,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 11:49:17,320 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 11:49:17,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 11:49:17,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 11:49:17,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 11:49:17,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 11:49:17,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 11:49:17,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 11:49:17,321 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 11:49:17,321 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 11:49:17,321 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 11:49:17,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 11:49:17,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 11:49:17,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 11:49:17,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 11:49:17,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 11:49:17,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 11:49:17,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 11:49:17,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 11:49:17,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 11:49:17,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 11:49:17,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 11:49:17,324 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 11:49:17,324 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 11:49:17,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 11:49:17,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 11:49:17,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 11:49:17,325 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 11:49:17,325 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 11:49:17,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 11:49:17,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 11:49:17,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 11:49:17,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 11:49:17,528 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 11:49:17,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/isgreaterequal.i [2022-01-10 11:49:17,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de90cf568/d5150da431ec45b7bc5679abea1aa022/FLAGc7cd04880 [2022-01-10 11:49:17,964 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 11:49:17,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/isgreaterequal.i [2022-01-10 11:49:17,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de90cf568/d5150da431ec45b7bc5679abea1aa022/FLAGc7cd04880 [2022-01-10 11:49:18,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de90cf568/d5150da431ec45b7bc5679abea1aa022 [2022-01-10 11:49:18,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 11:49:18,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 11:49:18,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 11:49:18,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 11:49:18,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 11:49:18,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:49:18" (1/1) ... [2022-01-10 11:49:18,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b5b7cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:49:18, skipping insertion in model container [2022-01-10 11:49:18,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:49:18" (1/1) ... [2022-01-10 11:49:18,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 11:49:18,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 11:49:18,902 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-esbmc-regression/isgreaterequal.i[36289,36302] [2022-01-10 11:49:18,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 11:49:18,922 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 11:49:18,947 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-esbmc-regression/isgreaterequal.i[36289,36302] [2022-01-10 11:49:18,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 11:49:19,044 INFO L208 MainTranslator]: Completed translation [2022-01-10 11:49:19,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:49:19 WrapperNode [2022-01-10 11:49:19,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 11:49:19,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 11:49:19,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 11:49:19,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 11:49:19,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:49:19" (1/1) ... [2022-01-10 11:49:19,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:49:19" (1/1) ... [2022-01-10 11:49:19,105 INFO L137 Inliner]: procedures = 448, calls = 11, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 47 [2022-01-10 11:49:19,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 11:49:19,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 11:49:19,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 11:49:19,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 11:49:19,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:49:19" (1/1) ... [2022-01-10 11:49:19,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:49:19" (1/1) ... [2022-01-10 11:49:19,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:49:19" (1/1) ... [2022-01-10 11:49:19,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:49:19" (1/1) ... [2022-01-10 11:49:19,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:49:19" (1/1) ... [2022-01-10 11:49:19,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:49:19" (1/1) ... [2022-01-10 11:49:19,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:49:19" (1/1) ... [2022-01-10 11:49:19,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 11:49:19,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 11:49:19,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 11:49:19,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 11:49:19,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:49:19" (1/1) ... [2022-01-10 11:49:19,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 11:49:19,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 11:49:19,215 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) [2022-01-10 11:49:19,225 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 [2022-01-10 11:49:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 11:49:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 11:49:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 11:49:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 11:49:19,317 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 11:49:19,318 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 11:49:19,389 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 11:49:19,393 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 11:49:19,393 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 11:49:19,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:49:19 BoogieIcfgContainer [2022-01-10 11:49:19,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 11:49:19,395 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 11:49:19,395 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 11:49:19,399 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 11:49:19,405 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:49:19" (1/1) ... [2022-01-10 11:49:19,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:49:19 BasicIcfg [2022-01-10 11:49:19,478 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 11:49:19,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 11:49:19,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 11:49:19,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 11:49:19,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 11:49:18" (1/4) ... [2022-01-10 11:49:19,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a3a369e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:49:19, skipping insertion in model container [2022-01-10 11:49:19,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:49:19" (2/4) ... [2022-01-10 11:49:19,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a3a369e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:49:19, skipping insertion in model container [2022-01-10 11:49:19,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:49:19" (3/4) ... [2022-01-10 11:49:19,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a3a369e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:49:19, skipping insertion in model container [2022-01-10 11:49:19,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:49:19" (4/4) ... [2022-01-10 11:49:19,484 INFO L111 eAbstractionObserver]: Analyzing ICFG isgreaterequal.iTransformedIcfg [2022-01-10 11:49:19,504 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 11:49:19,505 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-01-10 11:49:19,561 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 11:49:19,566 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 [2022-01-10 11:49:19,567 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-10 11:49:19,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 24 states have internal predecessors, (29), 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) [2022-01-10 11:49:19,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-01-10 11:49:19,597 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:49:19,597 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-01-10 11:49:19,598 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 11:49:19,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:49:19,606 INFO L85 PathProgramCache]: Analyzing trace with hash 2802372, now seen corresponding path program 1 times [2022-01-10 11:49:19,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:49:19,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124899308] [2022-01-10 11:49:19,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:49:19,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:49:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 11:49:19,747 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 11:49:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 11:49:19,800 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 11:49:19,802 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 11:49:19,803 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-01-10 11:49:19,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-01-10 11:49:19,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2022-01-10 11:49:19,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-01-10 11:49:19,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-01-10 11:49:19,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 11:49:19,809 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-10 11:49:19,813 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 11:49:19,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:49:19 BasicIcfg [2022-01-10 11:49:19,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 11:49:19,838 INFO L158 Benchmark]: Toolchain (without parser) took 1513.52ms. Allocated memory was 189.8MB in the beginning and 240.1MB in the end (delta: 50.3MB). Free memory was 131.5MB in the beginning and 147.8MB in the end (delta: -16.3MB). Peak memory consumption was 33.9MB. Max. memory is 8.0GB. [2022-01-10 11:49:19,838 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 189.8MB. Free memory is still 148.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 11:49:19,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 720.15ms. Allocated memory was 189.8MB in the beginning and 240.1MB in the end (delta: 50.3MB). Free memory was 131.4MB in the beginning and 179.3MB in the end (delta: -47.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-10 11:49:19,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.85ms. Allocated memory is still 240.1MB. Free memory was 179.3MB in the beginning and 176.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 11:49:19,844 INFO L158 Benchmark]: Boogie Preprocessor took 31.05ms. Allocated memory is still 240.1MB. Free memory was 176.7MB in the beginning and 175.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 11:49:19,845 INFO L158 Benchmark]: RCFGBuilder took 256.68ms. Allocated memory is still 240.1MB. Free memory was 175.6MB in the beginning and 165.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-10 11:49:19,845 INFO L158 Benchmark]: IcfgTransformer took 82.38ms. Allocated memory is still 240.1MB. Free memory was 165.1MB in the beginning and 162.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 11:49:19,846 INFO L158 Benchmark]: TraceAbstraction took 357.60ms. Allocated memory is still 240.1MB. Free memory was 161.5MB in the beginning and 147.8MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-10 11:49:19,852 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 189.8MB. Free memory is still 148.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 720.15ms. Allocated memory was 189.8MB in the beginning and 240.1MB in the end (delta: 50.3MB). Free memory was 131.4MB in the beginning and 179.3MB in the end (delta: -47.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.85ms. Allocated memory is still 240.1MB. Free memory was 179.3MB in the beginning and 176.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.05ms. Allocated memory is still 240.1MB. Free memory was 176.7MB in the beginning and 175.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 256.68ms. Allocated memory is still 240.1MB. Free memory was 175.6MB in the beginning and 165.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 82.38ms. Allocated memory is still 240.1MB. Free memory was 165.1MB in the beginning and 162.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 357.60ms. Allocated memory is still 240.1MB. Free memory was 161.5MB in the beginning and 147.8MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. 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: 878]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of fp.geq at line 882. Possible FailurePath: [L882] CALL __VERIFIER_assert(__builtin_isgreaterequal(2.0, 1.0)) [L878] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L878] reach_error() VAL [\old(cond)=0, cond=0] - UnprovableResult [Line: 878]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=25occurred 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 [2022-01-10 11:49:19,894 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...