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 -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float6.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:30:19,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:30:19,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:30:19,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:30:19,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:30:19,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:30:19,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:30:19,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:30:19,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:30:19,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:30:19,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:30:19,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:30:19,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:30:19,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:30:19,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:30:19,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:30:19,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:30:19,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:30:19,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:30:19,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:30:19,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:30:19,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:30:19,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:30:19,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:30:19,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 01:30:19,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 01:30:19,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 01:30:19,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 01:30:19,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 01:30:19,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 01:30:19,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:30:19,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:30:19,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:30:19,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:30:19,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:30:19,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:30:19,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:30:19,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:30:19,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:30:19,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:30:19,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:30:19,805 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 01:30:19,822 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:30:19,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:30:19,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:30:19,823 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:30:19,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:30:19,824 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:30:19,824 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:30:19,824 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:30:19,825 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:30:19,825 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:30:19,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:30:19,826 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:30:19,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:30:19,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:30:19,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:30:19,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:30:19,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:30:19,827 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:30:19,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:30:19,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:30:19,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:30:19,828 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:30:19,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:30:19,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:30:19,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:30:19,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:30:19,829 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:30:19,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:30:19,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:30:19,830 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:30:19,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:30:19,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:30:19,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:30:19,884 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:30:19,884 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:30:19,886 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float6.c [2019-09-10 01:30:19,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b96689363/4988462d26f3482db8a07e6a26ffc4de/FLAG7ab768a5e [2019-09-10 01:30:20,518 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:30:20,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c [2019-09-10 01:30:20,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b96689363/4988462d26f3482db8a07e6a26ffc4de/FLAG7ab768a5e [2019-09-10 01:30:20,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b96689363/4988462d26f3482db8a07e6a26ffc4de [2019-09-10 01:30:20,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:30:20,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:30:20,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:30:20,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:30:20,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:30:20,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:30:20" (1/1) ... [2019-09-10 01:30:20,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8c6ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:20, skipping insertion in model container [2019-09-10 01:30:20,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:30:20" (1/1) ... [2019-09-10 01:30:20,880 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:30:20,911 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:30:21,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:30:21,124 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:30:21,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:30:21,282 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:30:21,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:21 WrapperNode [2019-09-10 01:30:21,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:30:21,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:30:21,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:30:21,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:30:21,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:21" (1/1) ... [2019-09-10 01:30:21,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:21" (1/1) ... [2019-09-10 01:30:21,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:21" (1/1) ... [2019-09-10 01:30:21,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:21" (1/1) ... [2019-09-10 01:30:21,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:21" (1/1) ... [2019-09-10 01:30:21,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:21" (1/1) ... [2019-09-10 01:30:21,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:21" (1/1) ... [2019-09-10 01:30:21,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:30:21,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:30:21,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:30:21,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:30:21,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-09-10 01:30:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:30:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:30:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:30:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 01:30:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:30:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-10 01:30:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:30:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:30:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:30:21,764 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:30:21,764 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-10 01:30:21,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:30:21 BoogieIcfgContainer [2019-09-10 01:30:21,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:30:21,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:30:21,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:30:21,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:30:21,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:30:20" (1/3) ... [2019-09-10 01:30:21,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492d6506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:30:21, skipping insertion in model container [2019-09-10 01:30:21,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:21" (2/3) ... [2019-09-10 01:30:21,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492d6506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:30:21, skipping insertion in model container [2019-09-10 01:30:21,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:30:21" (3/3) ... [2019-09-10 01:30:21,775 INFO L109 eAbstractionObserver]: Analyzing ICFG float6.c [2019-09-10 01:30:21,786 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:30:21,795 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2019-09-10 01:30:21,814 INFO L252 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2019-09-10 01:30:21,847 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:30:21,847 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:30:21,847 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:30:21,847 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:30:21,848 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:30:21,848 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:30:21,848 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:30:21,848 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:30:21,869 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2019-09-10 01:30:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-09-10 01:30:21,877 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:30:21,878 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-09-10 01:30:21,881 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:30:21,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:30:21,888 INFO L82 PathProgramCache]: Analyzing trace with hash 292116385, now seen corresponding path program 1 times [2019-09-10 01:30:21,890 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:30:21,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:30:21,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:30:21,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:30:21,931 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:30:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:30:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:30:21,960 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 01:30:21,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:30:21 BoogieIcfgContainer [2019-09-10 01:30:21,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:30:21,975 INFO L168 Benchmark]: Toolchain (without parser) took 1113.75 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 88.4 MB in the beginning and 142.2 MB in the end (delta: -53.7 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-09-10 01:30:21,977 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 01:30:21,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.91 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 88.2 MB in the beginning and 176.8 MB in the end (delta: -88.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-10 01:30:21,979 INFO L168 Benchmark]: Boogie Preprocessor took 45.39 ms. Allocated memory is still 199.2 MB. Free memory was 176.8 MB in the beginning and 174.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-10 01:30:21,980 INFO L168 Benchmark]: RCFGBuilder took 436.07 ms. Allocated memory is still 199.2 MB. Free memory was 174.5 MB in the beginning and 153.3 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-09-10 01:30:21,981 INFO L168 Benchmark]: TraceAbstraction took 205.35 ms. Allocated memory is still 199.2 MB. Free memory was 153.3 MB in the beginning and 142.2 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-10 01:30:21,984 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 421.91 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 88.2 MB in the beginning and 176.8 MB in the end (delta: -88.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.39 ms. Allocated memory is still 199.2 MB. Free memory was 176.8 MB in the beginning and 174.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 436.07 ms. Allocated memory is still 199.2 MB. Free memory was 174.5 MB in the beginning and 153.3 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205.35 ms. Allocated memory is still 199.2 MB. Free memory was 153.3 MB in the beginning and 142.2 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 108 locations, 36 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...