/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:02:40,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:02:40,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:02:40,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:02:40,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:02:40,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:02:40,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:02:40,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:02:40,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:02:40,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:02:40,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:02:40,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:02:40,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:02:40,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:02:40,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:02:40,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:02:40,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:02:40,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:02:40,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:02:40,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:02:40,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:02:40,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:02:40,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:02:40,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:02:40,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:02:40,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:02:40,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:02:40,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:02:40,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:02:40,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:02:40,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:02:40,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:02:40,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:02:40,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:02:40,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:02:40,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:02:40,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:02:40,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:02:40,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:02:40,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:02:40,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:02:40,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:02:40,926 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:02:40,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:02:40,927 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:02:40,927 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:02:40,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:02:40,929 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:02:40,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:02:40,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:02:40,932 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:02:40,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:02:40,934 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:02:40,934 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:02:40,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:02:40,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:02:40,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:02:40,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:02:40,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:02:40,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:02:40,935 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:02:40,935 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:02:40,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:02:40,936 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:02:40,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:02:40,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:02:40,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:02:40,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:02:40,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:02:40,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:02:40,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:02:40,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:02:40,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:02:40,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:02:40,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:02:40,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:02:41,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:02:41,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:02:41,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:02:41,412 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:02:41,412 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:02:41,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2022-10-16 12:02:41,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edfc60984/f95b3394290a4e619d720ea809db4b81/FLAGcfe693543 [2022-10-16 12:02:42,256 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:02:42,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2022-10-16 12:02:42,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edfc60984/f95b3394290a4e619d720ea809db4b81/FLAGcfe693543 [2022-10-16 12:02:42,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edfc60984/f95b3394290a4e619d720ea809db4b81 [2022-10-16 12:02:42,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:02:42,566 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:02:42,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:02:42,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:02:42,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:02:42,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:02:42" (1/1) ... [2022-10-16 12:02:42,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b6f0f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:42, skipping insertion in model container [2022-10-16 12:02:42,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:02:42" (1/1) ... [2022-10-16 12:02:42,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:02:42,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:02:42,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2022-10-16 12:02:42,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:02:42,879 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:02:42,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2022-10-16 12:02:42,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:02:42,952 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:02:42,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:42 WrapperNode [2022-10-16 12:02:42,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:02:42,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:02:42,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:02:42,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:02:42,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:42" (1/1) ... [2022-10-16 12:02:42,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:42" (1/1) ... [2022-10-16 12:02:43,043 INFO L138 Inliner]: procedures = 20, calls = 82, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 274 [2022-10-16 12:02:43,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:02:43,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:02:43,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:02:43,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:02:43,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:42" (1/1) ... [2022-10-16 12:02:43,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:42" (1/1) ... [2022-10-16 12:02:43,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:42" (1/1) ... [2022-10-16 12:02:43,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:42" (1/1) ... [2022-10-16 12:02:43,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:42" (1/1) ... [2022-10-16 12:02:43,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:42" (1/1) ... [2022-10-16 12:02:43,100 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:42" (1/1) ... [2022-10-16 12:02:43,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:42" (1/1) ... [2022-10-16 12:02:43,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:02:43,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:02:43,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:02:43,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:02:43,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:42" (1/1) ... [2022-10-16 12:02:43,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:02:43,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:02:43,150 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) [2022-10-16 12:02:43,165 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 [2022-10-16 12:02:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:02:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:02:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:02:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-16 12:02:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:02:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2022-10-16 12:02:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2022-10-16 12:02:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-16 12:02:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-10-16 12:02:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-10-16 12:02:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:02:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:02:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:02:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-10-16 12:02:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-10-16 12:02:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-10-16 12:02:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:02:43,380 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:02:43,383 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:02:44,054 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:02:44,065 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:02:44,065 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-10-16 12:02:44,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:02:44 BoogieIcfgContainer [2022-10-16 12:02:44,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:02:44,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:02:44,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:02:44,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:02:44,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:02:42" (1/3) ... [2022-10-16 12:02:44,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194a7b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:02:44, skipping insertion in model container [2022-10-16 12:02:44,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:42" (2/3) ... [2022-10-16 12:02:44,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194a7b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:02:44, skipping insertion in model container [2022-10-16 12:02:44,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:02:44" (3/3) ... [2022-10-16 12:02:44,085 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2022-10-16 12:02:44,119 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:02:44,119 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 12:02:44,187 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:02:44,196 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4387ecee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:02:44,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 12:02:44,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 104 states have (on average 1.7019230769230769) internal successors, (177), 106 states have internal predecessors, (177), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-10-16 12:02:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 12:02:44,216 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:44,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:44,217 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 12:02:44,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:44,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1029768613, now seen corresponding path program 1 times [2022-10-16 12:02:44,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:44,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878760152] [2022-10-16 12:02:44,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:44,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:02:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:44,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:44,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878760152] [2022-10-16 12:02:44,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878760152] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:44,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:44,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:02:44,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261005132] [2022-10-16 12:02:44,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:44,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 12:02:44,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:44,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 12:02:44,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 12:02:44,612 INFO L87 Difference]: Start difference. First operand has 117 states, 104 states have (on average 1.7019230769230769) internal successors, (177), 106 states have internal predecessors, (177), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:02:44,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:44,694 INFO L93 Difference]: Finished difference Result 226 states and 374 transitions. [2022-10-16 12:02:44,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 12:02:44,697 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-10-16 12:02:44,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:44,709 INFO L225 Difference]: With dead ends: 226 [2022-10-16 12:02:44,709 INFO L226 Difference]: Without dead ends: 54 [2022-10-16 12:02:44,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 12:02:44,723 INFO L413 NwaCegarLoop]: 170 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, 170 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 [2022-10-16 12:02:44,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:02:44,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-10-16 12:02:44,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-10-16 12:02:44,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:02:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2022-10-16 12:02:44,835 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 21 [2022-10-16 12:02:44,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:44,838 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2022-10-16 12:02:44,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:02:44,839 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-10-16 12:02:44,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 12:02:44,844 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:44,845 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:44,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:02:44,845 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 12:02:44,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:44,850 INFO L85 PathProgramCache]: Analyzing trace with hash -666976013, now seen corresponding path program 1 times [2022-10-16 12:02:44,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:44,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411521734] [2022-10-16 12:02:44,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:44,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:45,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:02:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:45,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:45,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411521734] [2022-10-16 12:02:45,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411521734] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:45,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:45,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:02:45,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839619649] [2022-10-16 12:02:45,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:45,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:02:45,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:45,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:02:45,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:02:45,059 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:02:45,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:45,133 INFO L93 Difference]: Finished difference Result 92 states and 112 transitions. [2022-10-16 12:02:45,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:02:45,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-10-16 12:02:45,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:45,138 INFO L225 Difference]: With dead ends: 92 [2022-10-16 12:02:45,139 INFO L226 Difference]: Without dead ends: 74 [2022-10-16 12:02:45,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:02:45,143 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 28 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:45,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 120 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:02:45,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-10-16 12:02:45,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 64. [2022-10-16 12:02:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 60 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:02:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2022-10-16 12:02:45,165 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 23 [2022-10-16 12:02:45,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:45,168 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2022-10-16 12:02:45,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:02:45,169 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2022-10-16 12:02:45,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 12:02:45,171 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:45,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:45,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:02:45,173 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 12:02:45,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:45,175 INFO L85 PathProgramCache]: Analyzing trace with hash -415498261, now seen corresponding path program 1 times [2022-10-16 12:02:45,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:45,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422189787] [2022-10-16 12:02:45,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:45,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:45,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:02:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:45,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:45,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422189787] [2022-10-16 12:02:45,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422189787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:45,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:45,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:02:45,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104942436] [2022-10-16 12:02:45,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:45,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:02:45,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:45,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:02:45,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:02:45,396 INFO L87 Difference]: Start difference. First operand 64 states and 82 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:02:45,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:45,415 INFO L93 Difference]: Finished difference Result 111 states and 143 transitions. [2022-10-16 12:02:45,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:02:45,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-10-16 12:02:45,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:45,417 INFO L225 Difference]: With dead ends: 111 [2022-10-16 12:02:45,417 INFO L226 Difference]: Without dead ends: 64 [2022-10-16 12:02:45,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:02:45,419 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 17 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:45,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 122 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:02:45,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-10-16 12:02:45,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-10-16 12:02:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 59 states have (on average 1.305084745762712) internal successors, (77), 60 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:02:45,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2022-10-16 12:02:45,427 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 26 [2022-10-16 12:02:45,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:45,427 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2022-10-16 12:02:45,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:02:45,428 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-10-16 12:02:45,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 12:02:45,429 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:45,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:45,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:02:45,429 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 12:02:45,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:45,430 INFO L85 PathProgramCache]: Analyzing trace with hash 791469483, now seen corresponding path program 1 times [2022-10-16 12:02:45,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:45,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419493320] [2022-10-16 12:02:45,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:45,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:46,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:02:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:46,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:46,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419493320] [2022-10-16 12:02:46,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419493320] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:46,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:46,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:02:46,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036377077] [2022-10-16 12:02:46,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:46,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:02:46,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:46,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:02:46,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:02:46,041 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:02:46,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:46,133 INFO L93 Difference]: Finished difference Result 171 states and 211 transitions. [2022-10-16 12:02:46,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:02:46,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-10-16 12:02:46,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:46,136 INFO L225 Difference]: With dead ends: 171 [2022-10-16 12:02:46,137 INFO L226 Difference]: Without dead ends: 138 [2022-10-16 12:02:46,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:02:46,139 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 142 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:46,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 190 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:02:46,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-10-16 12:02:46,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 81. [2022-10-16 12:02:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 77 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:02:46,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 101 transitions. [2022-10-16 12:02:46,151 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 101 transitions. Word has length 29 [2022-10-16 12:02:46,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:46,152 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 101 transitions. [2022-10-16 12:02:46,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:02:46,152 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 101 transitions. [2022-10-16 12:02:46,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 12:02:46,154 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:46,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:46,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:02:46,154 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 12:02:46,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:46,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1471527853, now seen corresponding path program 1 times [2022-10-16 12:02:46,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:46,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510417340] [2022-10-16 12:02:46,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:46,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:02:46,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 12:02:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:02:46,278 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 12:02:46,278 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 12:02:46,280 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-10-16 12:02:46,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-10-16 12:02:46,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:02:46,288 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-10-16 12:02:46,293 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 12:02:46,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:02:46 BoogieIcfgContainer [2022-10-16 12:02:46,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:02:46,355 INFO L158 Benchmark]: Toolchain (without parser) took 3793.03ms. Allocated memory was 159.4MB in the beginning and 204.5MB in the end (delta: 45.1MB). Free memory was 131.0MB in the beginning and 151.0MB in the end (delta: -20.0MB). Peak memory consumption was 25.5MB. Max. memory is 8.0GB. [2022-10-16 12:02:46,356 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 159.4MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:02:46,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.95ms. Allocated memory is still 159.4MB. Free memory was 131.0MB in the beginning and 117.3MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-10-16 12:02:46,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.08ms. Allocated memory is still 159.4MB. Free memory was 117.3MB in the beginning and 114.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 12:02:46,358 INFO L158 Benchmark]: Boogie Preprocessor took 65.16ms. Allocated memory is still 159.4MB. Free memory was 114.8MB in the beginning and 112.1MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-16 12:02:46,358 INFO L158 Benchmark]: RCFGBuilder took 958.55ms. Allocated memory is still 159.4MB. Free memory was 111.7MB in the beginning and 83.8MB in the end (delta: 27.9MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-10-16 12:02:46,359 INFO L158 Benchmark]: TraceAbstraction took 2282.97ms. Allocated memory was 159.4MB in the beginning and 204.5MB in the end (delta: 45.1MB). Free memory was 83.1MB in the beginning and 151.0MB in the end (delta: -67.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:02:46,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 159.4MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 382.95ms. Allocated memory is still 159.4MB. Free memory was 131.0MB in the beginning and 117.3MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 89.08ms. Allocated memory is still 159.4MB. Free memory was 117.3MB in the beginning and 114.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.16ms. Allocated memory is still 159.4MB. Free memory was 114.8MB in the beginning and 112.1MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 958.55ms. Allocated memory is still 159.4MB. Free memory was 111.7MB in the beginning and 83.8MB in the end (delta: 27.9MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 2282.97ms. Allocated memory was 159.4MB in the beginning and 204.5MB in the end (delta: 45.1MB). Free memory was 83.1MB in the beginning and 151.0MB in the end (delta: -67.9MB). There was no memory consumed. 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: 189]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 143. Possible FailurePath: [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L52-L54] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L120-L121] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L226] float x = __VERIFIER_nondet_float(); [L227] float y = __VERIFIER_nondet_float(); [L229] CALL, EXPR isnan_float(x) VAL [\old(x)=1000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L15] return x != x; VAL [\old(x)=1000000000000000000000000000002, \result=1, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, zero_atan2=0] [L229] RET, EXPR isnan_float(x) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, isnan_float(x)=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, zero_atan2=0] [L229] isnan_float(x) || isnan_float(y) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, isnan_float(x)=1, isnan_float(x) || isnan_float(y)=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, zero_atan2=0] [L229] COND TRUE isnan_float(x) || isnan_float(y) [L232] CALL __ieee754_atan2f(y, x) [L124] float z; [L125] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L128] ieee_float_shape_type gf_u; [L129] gf_u.value = (x) [L130] EXPR gf_u.word [L130] (hx) = gf_u.word [L132] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, ix=-2147483647, ix = hx & 0x7fffffff=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L134] ieee_float_shape_type gf_u; [L135] gf_u.value = (y) [L136] EXPR gf_u.word [L136] (hy) = gf_u.word [L138] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483647, iy=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L139] COND FALSE !(((ix) > 0x7f800000L) || ((iy) > 0x7f800000L)) VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483647, iy=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L141] COND FALSE !(hx == 0x3f800000) VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483647, iy=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L143] m = ((hy >> 31) & 1) | ((hx >> 30) & 2) VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483647, iy=1, m=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L145] COND FALSE !(((iy) == 0)) VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483647, iy=1, m=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L157] COND FALSE !(((ix) == 0)) VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483647, iy=1, m=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L160] COND FALSE !(((ix) == 0x7f800000L)) VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483647, iy=1, m=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L186] COND FALSE !(((iy) == 0x7f800000L)) VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483647, iy=1, m=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L189] iy - ix VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483647, iy=1, m=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] - UnprovableResult [Line: 189]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 117 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 602 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 211 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 391 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 67 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 [2022-10-16 12:02:46,425 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...