/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float6.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 03:16:52,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 03:16:52,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 03:16:52,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 03:16:52,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 03:16:52,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 03:16:52,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 03:16:52,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 03:16:52,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 03:16:52,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 03:16:52,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 03:16:52,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 03:16:52,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 03:16:52,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 03:16:52,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 03:16:52,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 03:16:52,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 03:16:52,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 03:16:52,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 03:16:52,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 03:16:52,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 03:16:52,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 03:16:52,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 03:16:52,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 03:16:52,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 03:16:52,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 03:16:52,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 03:16:52,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 03:16:52,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 03:16:52,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 03:16:52,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 03:16:52,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 03:16:52,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 03:16:52,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 03:16:52,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 03:16:52,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 03:16:52,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 03:16:52,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 03:16:52,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 03:16:52,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 03:16:52,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 03:16:52,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-28 03:16:52,374 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 03:16:52,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 03:16:52,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 03:16:52,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 03:16:52,377 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 03:16:52,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 03:16:52,377 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 03:16:52,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 03:16:52,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 03:16:52,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 03:16:52,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 03:16:52,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 03:16:52,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 03:16:52,380 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 03:16:52,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 03:16:52,380 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 03:16:52,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 03:16:52,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 03:16:52,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 03:16:52,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 03:16:52,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 03:16:52,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 03:16:52,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 03:16:52,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 03:16:52,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 03:16:52,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 03:16:52,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 03:16:52,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 03:16:52,383 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 03:16:52,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-08-28 03:16:52,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 03:16:52,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 03:16:52,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 03:16:52,913 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 03:16:52,913 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 03:16:52,914 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float6.c [2020-08-28 03:16:53,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db7af0463/00a75d54f1304560a3d831f127d1d394/FLAGa265bc631 [2020-08-28 03:16:53,574 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 03:16:53,575 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-cbmc-regression/float6.c [2020-08-28 03:16:53,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db7af0463/00a75d54f1304560a3d831f127d1d394/FLAGa265bc631 [2020-08-28 03:16:53,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db7af0463/00a75d54f1304560a3d831f127d1d394 [2020-08-28 03:16:53,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 03:16:53,919 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 03:16:53,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 03:16:53,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 03:16:53,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 03:16:53,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 03:16:53" (1/1) ... [2020-08-28 03:16:53,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d85ba32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:16:53, skipping insertion in model container [2020-08-28 03:16:53,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 03:16:53" (1/1) ... [2020-08-28 03:16:53,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 03:16:53,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 03:16:54,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 03:16:54,213 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 03:16:54,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 03:16:54,260 INFO L208 MainTranslator]: Completed translation [2020-08-28 03:16:54,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:16:54 WrapperNode [2020-08-28 03:16:54,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 03:16:54,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 03:16:54,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 03:16:54,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 03:16:54,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:16:54" (1/1) ... [2020-08-28 03:16:54,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:16:54" (1/1) ... [2020-08-28 03:16:54,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:16:54" (1/1) ... [2020-08-28 03:16:54,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:16:54" (1/1) ... [2020-08-28 03:16:54,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:16:54" (1/1) ... [2020-08-28 03:16:54,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:16:54" (1/1) ... [2020-08-28 03:16:54,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:16:54" (1/1) ... [2020-08-28 03:16:54,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 03:16:54,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 03:16:54,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 03:16:54,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 03:16:54,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:16:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 03:16:54,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 03:16:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 03:16:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 03:16:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-28 03:16:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 03:16:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-08-28 03:16:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 03:16:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 03:16:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 03:16:54,961 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 03:16:54,961 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-28 03:16:54,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 03:16:54 BoogieIcfgContainer [2020-08-28 03:16:54,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 03:16:54,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 03:16:54,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 03:16:54,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 03:16:54,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 03:16:53" (1/3) ... [2020-08-28 03:16:54,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8d1b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 03:16:54, skipping insertion in model container [2020-08-28 03:16:54,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:16:54" (2/3) ... [2020-08-28 03:16:54,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8d1b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 03:16:54, skipping insertion in model container [2020-08-28 03:16:54,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 03:16:54" (3/3) ... [2020-08-28 03:16:54,979 INFO L109 eAbstractionObserver]: Analyzing ICFG float6.c [2020-08-28 03:16:54,991 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 03:16:55,002 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2020-08-28 03:16:55,023 INFO L251 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-08-28 03:16:55,053 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 03:16:55,053 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 03:16:55,054 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 03:16:55,054 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 03:16:55,054 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 03:16:55,054 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 03:16:55,054 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 03:16:55,054 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 03:16:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2020-08-28 03:16:55,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-08-28 03:16:55,093 INFO L414 BasicCegarLoop]: Found error trace [2020-08-28 03:16:55,094 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-08-28 03:16:55,095 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-28 03:16:55,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-28 03:16:55,102 INFO L82 PathProgramCache]: Analyzing trace with hash 895571895, now seen corresponding path program 1 times [2020-08-28 03:16:55,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-28 03:16:55,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865347494] [2020-08-28 03:16:55,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-28 03:16:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-28 03:16:55,200 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-28 03:16:55,201 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-28 03:16:55,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-28 03:16:55,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.08 03:16:55 BoogieIcfgContainer [2020-08-28 03:16:55,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-28 03:16:55,228 INFO L168 Benchmark]: Toolchain (without parser) took 1308.24 ms. Allocated memory was 142.6 MB in the beginning and 203.9 MB in the end (delta: 61.3 MB). Free memory was 105.9 MB in the beginning and 145.3 MB in the end (delta: -39.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-08-28 03:16:55,229 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 142.6 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 03:16:55,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.37 ms. Allocated memory is still 142.6 MB. Free memory was 105.7 MB in the beginning and 94.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-08-28 03:16:55,231 INFO L168 Benchmark]: Boogie Preprocessor took 130.64 ms. Allocated memory was 142.6 MB in the beginning and 203.9 MB in the end (delta: 61.3 MB). Free memory was 94.8 MB in the beginning and 182.5 MB in the end (delta: -87.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-08-28 03:16:55,233 INFO L168 Benchmark]: RCFGBuilder took 576.49 ms. Allocated memory is still 203.9 MB. Free memory was 181.9 MB in the beginning and 157.4 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-08-28 03:16:55,234 INFO L168 Benchmark]: TraceAbstraction took 254.25 ms. Allocated memory is still 203.9 MB. Free memory was 156.7 MB in the beginning and 145.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2020-08-28 03:16:55,238 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 142.6 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 341.37 ms. Allocated memory is still 142.6 MB. Free memory was 105.7 MB in the beginning and 94.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.64 ms. Allocated memory was 142.6 MB in the beginning and 203.9 MB in the end (delta: 61.3 MB). Free memory was 94.8 MB in the beginning and 182.5 MB in the end (delta: -87.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 576.49 ms. Allocated memory is still 203.9 MB. Free memory was 181.9 MB in the beginning and 157.4 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 254.25 ms. Allocated memory is still 203.9 MB. Free memory was 156.7 MB in the beginning and 145.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 7. Possible FailurePath: [L7] COND TRUE !(1.0!=2.0) [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 118 locations, 36 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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 Received shutdown request...