/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_LAZY.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/sine_2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 17:37:41,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 17:37:41,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 17:37:41,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 17:37:41,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 17:37:41,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 17:37:41,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 17:37:41,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 17:37:41,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 17:37:41,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 17:37:41,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 17:37:41,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 17:37:41,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 17:37:41,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 17:37:41,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 17:37:41,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 17:37:41,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 17:37:41,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 17:37:41,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 17:37:41,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 17:37:41,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 17:37:41,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 17:37:41,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 17:37:41,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 17:37:41,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 17:37:41,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 17:37:41,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 17:37:41,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 17:37:41,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 17:37:41,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 17:37:41,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 17:37:41,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 17:37:41,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 17:37:41,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 17:37:41,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 17:37:41,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 17:37:41,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 17:37:42,013 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 17:37:42,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 17:37:42,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 17:37:42,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 17:37:42,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 17:37:42,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 17:37:42,014 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 17:37:42,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 17:37:42,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 17:37:42,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 17:37:42,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 17:37:42,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 17:37:42,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 17:37:42,015 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 17:37:42,015 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 17:37:42,015 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 17:37:42,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 17:37:42,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 17:37:42,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 17:37:42,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 17:37:42,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 17:37:42,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 17:37:42,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 17:37:42,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 17:37:42,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 17:37:42,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 17:37:42,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 17:37:42,016 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 17:37:42,016 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 17:37:42,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 17:37:42,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 17:37:42,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 17:37:42,017 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 17:37:42,017 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 17:37:42,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 17:37:42,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 17:37:42,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 17:37:42,217 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 17:37:42,217 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 17:37:42,218 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/sine_2.i [2022-01-10 17:37:42,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660ee2e8d/3c7762d1af814443aac29c408c84c7a8/FLAG1191e8d45 [2022-01-10 17:37:42,655 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 17:37:42,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_2.i [2022-01-10 17:37:42,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660ee2e8d/3c7762d1af814443aac29c408c84c7a8/FLAG1191e8d45 [2022-01-10 17:37:42,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660ee2e8d/3c7762d1af814443aac29c408c84c7a8 [2022-01-10 17:37:42,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 17:37:42,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 17:37:42,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 17:37:42,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 17:37:42,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 17:37:42,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:37:42" (1/1) ... [2022-01-10 17:37:42,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@293426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:42, skipping insertion in model container [2022-01-10 17:37:42,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:37:42" (1/1) ... [2022-01-10 17:37:42,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 17:37:42,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 17:37:42,851 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-cdfpl/sine_2.i[1641,1654] [2022-01-10 17:37:42,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 17:37:42,861 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 17:37:42,874 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-cdfpl/sine_2.i[1641,1654] [2022-01-10 17:37:42,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 17:37:42,883 INFO L208 MainTranslator]: Completed translation [2022-01-10 17:37:42,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:42 WrapperNode [2022-01-10 17:37:42,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 17:37:42,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 17:37:42,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 17:37:42,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 17:37:42,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:42" (1/1) ... [2022-01-10 17:37:42,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:42" (1/1) ... [2022-01-10 17:37:42,914 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-01-10 17:37:42,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 17:37:42,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 17:37:42,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 17:37:42,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 17:37:42,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:42" (1/1) ... [2022-01-10 17:37:42,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:42" (1/1) ... [2022-01-10 17:37:42,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:42" (1/1) ... [2022-01-10 17:37:42,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:42" (1/1) ... [2022-01-10 17:37:42,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:42" (1/1) ... [2022-01-10 17:37:42,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:42" (1/1) ... [2022-01-10 17:37:42,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:42" (1/1) ... [2022-01-10 17:37:42,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 17:37:42,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 17:37:42,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 17:37:42,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 17:37:42,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:42" (1/1) ... [2022-01-10 17:37:42,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 17:37:42,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 17:37:42,973 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 17:37:42,979 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 17:37:43,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 17:37:43,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 17:37:43,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 17:37:43,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 17:37:43,047 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 17:37:43,048 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 17:37:43,132 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 17:37:43,136 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 17:37:43,136 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 17:37:43,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:37:43 BoogieIcfgContainer [2022-01-10 17:37:43,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 17:37:43,138 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 17:37:43,138 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 17:37:43,152 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 17:37:43,154 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:37:43" (1/1) ... [2022-01-10 17:37:43,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 05:37:43 BasicIcfg [2022-01-10 17:37:43,182 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 17:37:43,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 17:37:43,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 17:37:43,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 17:37:43,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 05:37:42" (1/4) ... [2022-01-10 17:37:43,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f14bb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:37:43, skipping insertion in model container [2022-01-10 17:37:43,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:42" (2/4) ... [2022-01-10 17:37:43,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f14bb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:37:43, skipping insertion in model container [2022-01-10 17:37:43,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:37:43" (3/4) ... [2022-01-10 17:37:43,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f14bb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:37:43, skipping insertion in model container [2022-01-10 17:37:43,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 05:37:43" (4/4) ... [2022-01-10 17:37:43,188 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_2.iTransformedIcfg [2022-01-10 17:37:43,191 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 17:37:43,191 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 17:37:43,231 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 17:37:43,236 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 17:37:43,247 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 17:37:43,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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 17:37:43,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 17:37:43,268 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:37:43,268 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 17:37:43,269 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 17:37:43,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:37:43,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1539326822, now seen corresponding path program 1 times [2022-01-10 17:37:43,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:37:43,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562129234] [2022-01-10 17:37:43,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:37:43,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:37:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:37:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 17:37:43,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:37:43,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562129234] [2022-01-10 17:37:43,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562129234] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:37:43,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:37:43,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 17:37:43,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074655259] [2022-01-10 17:37:43,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:37:43,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 17:37:43,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:37:43,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 17:37:43,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 17:37:43,427 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 17:37:43,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:37:43,436 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-01-10 17:37:43,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 17:37:43,437 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6 [2022-01-10 17:37:43,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:37:43,447 INFO L225 Difference]: With dead ends: 19 [2022-01-10 17:37:43,448 INFO L226 Difference]: Without dead ends: 7 [2022-01-10 17:37:43,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 17:37:43,454 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 17:37:43,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 17:37:43,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-01-10 17:37:43,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-01-10 17:37:43,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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 17:37:43,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-01-10 17:37:43,475 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-01-10 17:37:43,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:37:43,475 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-01-10 17:37:43,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 17:37:43,476 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-01-10 17:37:43,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 17:37:43,477 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:37:43,477 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 17:37:43,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 17:37:43,477 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 17:37:43,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:37:43,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1539356613, now seen corresponding path program 1 times [2022-01-10 17:37:43,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:37:43,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339338127] [2022-01-10 17:37:43,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:37:43,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:37:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 17:37:43,508 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 17:37:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 17:37:43,550 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 17:37:43,550 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 17:37:43,551 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 17:37:43,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 17:37:43,557 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 17:37:43,560 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 17:37:43,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:37:43 BasicIcfg [2022-01-10 17:37:43,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 17:37:43,585 INFO L158 Benchmark]: Toolchain (without parser) took 905.23ms. Allocated memory is still 206.6MB. Free memory was 155.2MB in the beginning and 143.7MB in the end (delta: 11.6MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. [2022-01-10 17:37:43,586 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 206.6MB. Free memory is still 171.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 17:37:43,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.81ms. Allocated memory is still 206.6MB. Free memory was 154.9MB in the beginning and 181.4MB in the end (delta: -26.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-10 17:37:43,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.97ms. Allocated memory is still 206.6MB. Free memory was 181.4MB in the beginning and 179.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 17:37:43,589 INFO L158 Benchmark]: Boogie Preprocessor took 28.83ms. Allocated memory is still 206.6MB. Free memory was 179.8MB in the beginning and 178.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 17:37:43,590 INFO L158 Benchmark]: RCFGBuilder took 193.57ms. Allocated memory is still 206.6MB. Free memory was 178.8MB in the beginning and 169.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-10 17:37:43,591 INFO L158 Benchmark]: IcfgTransformer took 44.47ms. Allocated memory is still 206.6MB. Free memory was 169.9MB in the beginning and 167.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 17:37:43,591 INFO L158 Benchmark]: TraceAbstraction took 400.93ms. Allocated memory is still 206.6MB. Free memory was 167.3MB in the beginning and 143.7MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-01-10 17:37:43,596 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 206.6MB. Free memory is still 171.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 202.81ms. Allocated memory is still 206.6MB. Free memory was 154.9MB in the beginning and 181.4MB in the end (delta: -26.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.97ms. Allocated memory is still 206.6MB. Free memory was 181.4MB in the beginning and 179.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.83ms. Allocated memory is still 206.6MB. Free memory was 179.8MB in the beginning and 178.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 193.57ms. Allocated memory is still 206.6MB. Free memory was 178.8MB in the beginning and 169.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * IcfgTransformer took 44.47ms. Allocated memory is still 206.6MB. Free memory was 169.9MB in the beginning and 167.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 400.93ms. Allocated memory is still 206.6MB. Free memory was 167.3MB in the beginning and 143.7MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. 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: 37]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of fp.gt at line 30, overapproximation of fp.geq at line 36, overapproximation of fp.add at line 34, overapproximation of fp.leq at line 36, overapproximation of fp.lt at line 30. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L24] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L30] RET assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L32] float x = IN; [L34] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L36] COND TRUE !(result <= 1.0f && result >= -1.0f) [L37] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 17:37:43,633 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...