/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 10:15:58,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 10:15:58,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 10:15:58,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 10:15:58,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 10:15:58,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 10:15:58,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 10:15:58,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 10:15:58,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 10:15:58,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 10:15:58,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 10:15:58,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 10:15:58,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:15:58,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:15:58,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:15:58,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:15:58,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:15:58,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:15:58,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:15:58,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:15:58,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:15:58,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:15:58,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:15:58,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:15:58,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 10:15:58,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 10:15:58,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 10:15:58,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 10:15:58,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 10:15:58,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 10:15:58,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 10:15:58,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 10:15:58,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 10:15:58,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 10:15:58,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 10:15:58,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 10:15:58,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 10:15:58,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 10:15:58,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:15:58,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:15:58,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:15:58,892 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 [2020-09-21 10:15:58,940 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:15:58,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:15:58,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:15:58,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:15:58,943 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:15:58,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:15:58,943 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 10:15:58,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:15:58,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 10:15:58,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:15:58,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:15:58,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:15:58,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:15:58,946 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 10:15:58,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:15:58,946 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:15:58,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:15:58,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:15:58,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:15:58,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:15:58,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:15:58,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:15:58,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:15:58,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:15:58,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:15:58,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:15:58,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:15:58,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:15:58,949 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:15:58,949 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 -> false [2020-09-21 10:15:59,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:15:59,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:15:59,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:15:59,433 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:15:59,433 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:15:59,435 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float11.c [2020-09-21 10:15:59,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e02e6cece/fba0bfaca05e486e80210fecc9e8c158/FLAG417bbd493 [2020-09-21 10:16:00,096 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:16:00,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-cbmc-regression/float11.c [2020-09-21 10:16:00,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e02e6cece/fba0bfaca05e486e80210fecc9e8c158/FLAG417bbd493 [2020-09-21 10:16:00,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e02e6cece/fba0bfaca05e486e80210fecc9e8c158 [2020-09-21 10:16:00,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:16:00,450 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:16:00,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:16:00,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:16:00,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:16:00,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:16:00" (1/1) ... [2020-09-21 10:16:00,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336c4a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:00, skipping insertion in model container [2020-09-21 10:16:00,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:16:00" (1/1) ... [2020-09-21 10:16:00,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:16:00,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:16:00,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:16:00,735 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 10:16:00,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:16:00,790 INFO L208 MainTranslator]: Completed translation [2020-09-21 10:16:00,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:00 WrapperNode [2020-09-21 10:16:00,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:16:00,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 10:16:00,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 10:16:00,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 10:16:00,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:00" (1/1) ... [2020-09-21 10:16:00,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:00" (1/1) ... [2020-09-21 10:16:00,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:00" (1/1) ... [2020-09-21 10:16:00,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:00" (1/1) ... [2020-09-21 10:16:00,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:00" (1/1) ... [2020-09-21 10:16:00,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:00" (1/1) ... [2020-09-21 10:16:00,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:00" (1/1) ... [2020-09-21 10:16:00,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 10:16:00,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 10:16:00,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 10:16:00,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 10:16:00,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:00" (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 [2020-09-21 10:16:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 10:16:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 10:16:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 10:16:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 10:16:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 10:16:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 10:16:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 10:16:01,352 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 10:16:01,352 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 10:16:01,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:16:01 BoogieIcfgContainer [2020-09-21 10:16:01,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 10:16:01,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 10:16:01,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 10:16:01,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 10:16:01,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 10:16:00" (1/3) ... [2020-09-21 10:16:01,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8118906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:16:01, skipping insertion in model container [2020-09-21 10:16:01,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:00" (2/3) ... [2020-09-21 10:16:01,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8118906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:16:01, skipping insertion in model container [2020-09-21 10:16:01,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:16:01" (3/3) ... [2020-09-21 10:16:01,371 INFO L109 eAbstractionObserver]: Analyzing ICFG float11.c [2020-09-21 10:16:01,380 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 10:16:01,390 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2020-09-21 10:16:01,412 INFO L251 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-09-21 10:16:01,446 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 10:16:01,446 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 10:16:01,446 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 10:16:01,447 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 10:16:01,447 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 10:16:01,447 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 10:16:01,447 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 10:16:01,447 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 10:16:01,477 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-09-21 10:16:01,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-09-21 10:16:01,485 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:16:01,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-09-21 10:16:01,486 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_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, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:16:01,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:16:01,493 INFO L82 PathProgramCache]: Analyzing trace with hash -680722770, now seen corresponding path program 1 times [2020-09-21 10:16:01,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:16:01,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1885444873] [2020-09-21 10:16:01,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:16:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 10:16:01,586 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 10:16:01,587 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 10:16:01,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 10:16:01,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 10:16:01 BoogieIcfgContainer [2020-09-21 10:16:01,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 10:16:01,612 INFO L168 Benchmark]: Toolchain (without parser) took 1164.16 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 103.5 MB in the beginning and 151.0 MB in the end (delta: -47.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2020-09-21 10:16:01,613 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-09-21 10:16:01,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.67 ms. Allocated memory is still 141.0 MB. Free memory was 102.9 MB in the beginning and 92.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-09-21 10:16:01,615 INFO L168 Benchmark]: Boogie Preprocessor took 48.75 ms. Allocated memory is still 141.0 MB. Free memory was 92.8 MB in the beginning and 91.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2020-09-21 10:16:01,616 INFO L168 Benchmark]: RCFGBuilder took 518.14 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 91.0 MB in the beginning and 162.6 MB in the end (delta: -71.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-09-21 10:16:01,617 INFO L168 Benchmark]: TraceAbstraction took 246.41 ms. Allocated memory is still 203.9 MB. Free memory was 162.0 MB in the beginning and 151.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-09-21 10:16:01,621 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 339.67 ms. Allocated memory is still 141.0 MB. Free memory was 102.9 MB in the beginning and 92.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.75 ms. Allocated memory is still 141.0 MB. Free memory was 92.8 MB in the beginning and 91.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 518.14 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 91.0 MB in the beginning and 162.6 MB in the end (delta: -71.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 246.41 ms. Allocated memory is still 203.9 MB. Free memory was 162.0 MB in the beginning and 151.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 5. Possible FailurePath: [L5] COND TRUE !(1.0<2.5) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 98 locations, 30 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=98occurred 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...