/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-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-newlib/float_req_bl_0661b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 16:45:04,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 16:45:04,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 16:45:04,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 16:45:04,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 16:45:04,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 16:45:04,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 16:45:04,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 16:45:04,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 16:45:04,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 16:45:04,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 16:45:04,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 16:45:04,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 16:45:04,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 16:45:04,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 16:45:04,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 16:45:04,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 16:45:04,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 16:45:04,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 16:45:04,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 16:45:04,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 16:45:04,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 16:45:04,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 16:45:04,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 16:45:04,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 16:45:04,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 16:45:04,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 16:45:04,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 16:45:04,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 16:45:04,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 16:45:04,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 16:45:04,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 16:45:04,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 16:45:04,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 16:45:04,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 16:45:04,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 16:45:04,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 16:45:04,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 16:45:04,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 16:45:04,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 16:45:04,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 16:45:04,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 16:45:04,611 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 16:45:04,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 16:45:04,612 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 16:45:04,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 16:45:04,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 16:45:04,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 16:45:04,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 16:45:04,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 16:45:04,617 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 16:45:04,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 16:45:04,619 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 16:45:04,619 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 16:45:04,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 16:45:04,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 16:45:04,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 16:45:04,620 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 16:45:04,620 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 16:45:04,620 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 16:45:04,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 16:45:04,621 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 16:45:04,621 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 16:45:04,621 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 16:45:04,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 16:45:04,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 16:45:04,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 16:45:04,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:45:04,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 16:45:04,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 16:45:04,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 16:45:04,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 16:45:04,623 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 16:45:05,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 16:45:05,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 16:45:05,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 16:45:05,085 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 16:45:05,086 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 16:45:05,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0661b.c [2022-10-15 16:45:05,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c3c71cd/d14b36b81b4f402290c99b52dcc8ca8d/FLAG430f89ff0 [2022-10-15 16:45:05,879 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 16:45:05,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0661b.c [2022-10-15 16:45:05,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c3c71cd/d14b36b81b4f402290c99b52dcc8ca8d/FLAG430f89ff0 [2022-10-15 16:45:05,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c3c71cd/d14b36b81b4f402290c99b52dcc8ca8d [2022-10-15 16:45:05,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 16:45:05,929 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 16:45:05,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 16:45:05,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 16:45:05,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 16:45:05,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:45:05" (1/1) ... [2022-10-15 16:45:05,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdca698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:05, skipping insertion in model container [2022-10-15 16:45:05,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:45:05" (1/1) ... [2022-10-15 16:45:05,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 16:45:05,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 16:45:06,218 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_0661b.c[5269,5282] [2022-10-15 16:45:06,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:45:06,245 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 16:45:06,358 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_0661b.c[5269,5282] [2022-10-15 16:45:06,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:45:06,394 INFO L208 MainTranslator]: Completed translation [2022-10-15 16:45:06,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:06 WrapperNode [2022-10-15 16:45:06,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 16:45:06,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 16:45:06,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 16:45:06,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 16:45:06,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:06" (1/1) ... [2022-10-15 16:45:06,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:06" (1/1) ... [2022-10-15 16:45:06,528 INFO L138 Inliner]: procedures = 19, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 254 [2022-10-15 16:45:06,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 16:45:06,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 16:45:06,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 16:45:06,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 16:45:06,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:06" (1/1) ... [2022-10-15 16:45:06,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:06" (1/1) ... [2022-10-15 16:45:06,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:06" (1/1) ... [2022-10-15 16:45:06,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:06" (1/1) ... [2022-10-15 16:45:06,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:06" (1/1) ... [2022-10-15 16:45:06,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:06" (1/1) ... [2022-10-15 16:45:06,624 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:06" (1/1) ... [2022-10-15 16:45:06,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:06" (1/1) ... [2022-10-15 16:45:06,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 16:45:06,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 16:45:06,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 16:45:06,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 16:45:06,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:06" (1/1) ... [2022-10-15 16:45:06,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:45:06,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 16:45:06,689 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) [2022-10-15 16:45:06,707 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 [2022-10-15 16:45:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 16:45:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 16:45:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 16:45:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-15 16:45:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 16:45:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-15 16:45:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-10-15 16:45:06,756 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-10-15 16:45:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 16:45:06,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 16:45:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 16:45:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-10-15 16:45:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-10-15 16:45:06,757 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-10-15 16:45:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 16:45:06,964 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 16:45:06,970 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 16:45:07,739 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 16:45:07,758 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 16:45:07,759 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-10-15 16:45:07,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:45:07 BoogieIcfgContainer [2022-10-15 16:45:07,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 16:45:07,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 16:45:07,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 16:45:07,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 16:45:07,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:45:05" (1/3) ... [2022-10-15 16:45:07,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af581dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:45:07, skipping insertion in model container [2022-10-15 16:45:07,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:06" (2/3) ... [2022-10-15 16:45:07,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af581dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:45:07, skipping insertion in model container [2022-10-15 16:45:07,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:45:07" (3/3) ... [2022-10-15 16:45:07,780 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0661b.c [2022-10-15 16:45:07,805 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 16:45:07,805 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2022-10-15 16:45:07,876 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 16:45:07,886 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@5ba79bbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 16:45:07,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2022-10-15 16:45:07,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 140 states have (on average 1.957142857142857) internal successors, (274), 204 states have internal predecessors, (274), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-15 16:45:07,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-15 16:45:07,903 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:45:07,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-15 16:45:07,905 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [fabs_floatErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 61 more)] === [2022-10-15 16:45:07,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:45:07,912 INFO L85 PathProgramCache]: Analyzing trace with hash 67171808, now seen corresponding path program 1 times [2022-10-15 16:45:07,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:45:07,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261804659] [2022-10-15 16:45:07,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:45:07,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:45:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:45:08,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 16:45:08,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:45:08,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261804659] [2022-10-15 16:45:08,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261804659] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:45:08,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:45:08,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 16:45:08,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743793916] [2022-10-15 16:45:08,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:45:08,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 16:45:08,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:45:08,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 16:45:08,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:45:08,233 INFO L87 Difference]: Start difference. First operand has 211 states, 140 states have (on average 1.957142857142857) internal successors, (274), 204 states have internal predecessors, (274), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-10-15 16:45:08,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:45:08,453 INFO L93 Difference]: Finished difference Result 213 states and 263 transitions. [2022-10-15 16:45:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 16:45:08,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-10-15 16:45:08,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:45:08,473 INFO L225 Difference]: With dead ends: 213 [2022-10-15 16:45:08,473 INFO L226 Difference]: Without dead ends: 209 [2022-10-15 16:45:08,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:45:08,480 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 3 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 16:45:08,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 437 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 16:45:08,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2022-10-15 16:45:08,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2022-10-15 16:45:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 139 states have (on average 1.7985611510791366) internal successors, (250), 202 states have internal predecessors, (250), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-15 16:45:08,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 258 transitions. [2022-10-15 16:45:08,551 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 258 transitions. Word has length 5 [2022-10-15 16:45:08,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:45:08,551 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 258 transitions. [2022-10-15 16:45:08,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-10-15 16:45:08,552 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 258 transitions. [2022-10-15 16:45:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-15 16:45:08,553 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:45:08,553 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-15 16:45:08,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 16:45:08,554 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fabs_floatErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 61 more)] === [2022-10-15 16:45:08,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:45:08,555 INFO L85 PathProgramCache]: Analyzing trace with hash 66866028, now seen corresponding path program 1 times [2022-10-15 16:45:08,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:45:08,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961517946] [2022-10-15 16:45:08,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:45:08,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:45:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:45:08,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 16:45:08,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:45:08,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961517946] [2022-10-15 16:45:08,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961517946] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:45:08,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:45:08,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 16:45:08,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691558929] [2022-10-15 16:45:08,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:45:08,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 16:45:08,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:45:08,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 16:45:08,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:45:08,697 INFO L87 Difference]: Start difference. First operand 209 states and 258 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-10-15 16:45:08,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:45:08,928 INFO L93 Difference]: Finished difference Result 207 states and 256 transitions. [2022-10-15 16:45:08,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 16:45:08,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-10-15 16:45:08,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:45:08,936 INFO L225 Difference]: With dead ends: 207 [2022-10-15 16:45:08,937 INFO L226 Difference]: Without dead ends: 207 [2022-10-15 16:45:08,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:45:08,945 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 4 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 16:45:08,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 427 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 16:45:08,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-10-15 16:45:08,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2022-10-15 16:45:08,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 139 states have (on average 1.7841726618705036) internal successors, (248), 200 states have internal predecessors, (248), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-15 16:45:08,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 256 transitions. [2022-10-15 16:45:08,991 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 256 transitions. Word has length 5 [2022-10-15 16:45:08,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:45:08,992 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 256 transitions. [2022-10-15 16:45:08,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-10-15 16:45:08,992 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 256 transitions. [2022-10-15 16:45:08,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-15 16:45:08,993 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:45:08,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-15 16:45:08,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 16:45:08,996 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fabs_floatErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 61 more)] === [2022-10-15 16:45:08,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:45:08,999 INFO L85 PathProgramCache]: Analyzing trace with hash 66866029, now seen corresponding path program 1 times [2022-10-15 16:45:08,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:45:09,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150132662] [2022-10-15 16:45:09,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:45:09,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:45:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:45:09,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 16:45:09,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:45:09,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150132662] [2022-10-15 16:45:09,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150132662] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:45:09,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:45:09,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 16:45:09,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436315509] [2022-10-15 16:45:09,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:45:09,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 16:45:09,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:45:09,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 16:45:09,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:45:09,140 INFO L87 Difference]: Start difference. First operand 207 states and 256 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-10-15 16:45:09,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:45:09,303 INFO L93 Difference]: Finished difference Result 205 states and 254 transitions. [2022-10-15 16:45:09,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 16:45:09,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-10-15 16:45:09,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:45:09,305 INFO L225 Difference]: With dead ends: 205 [2022-10-15 16:45:09,306 INFO L226 Difference]: Without dead ends: 205 [2022-10-15 16:45:09,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:45:09,308 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 2 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 16:45:09,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 435 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 16:45:09,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-10-15 16:45:09,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-10-15 16:45:09,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 139 states have (on average 1.7697841726618706) internal successors, (246), 198 states have internal predecessors, (246), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-15 16:45:09,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 254 transitions. [2022-10-15 16:45:09,324 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 254 transitions. Word has length 5 [2022-10-15 16:45:09,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:45:09,325 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 254 transitions. [2022-10-15 16:45:09,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-10-15 16:45:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 254 transitions. [2022-10-15 16:45:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-15 16:45:09,326 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:45:09,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 16:45:09,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 16:45:09,327 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fabs_floatErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 61 more)] === [2022-10-15 16:45:09,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:45:09,328 INFO L85 PathProgramCache]: Analyzing trace with hash 70588695, now seen corresponding path program 1 times [2022-10-15 16:45:09,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:45:09,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47788630] [2022-10-15 16:45:09,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:45:09,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:45:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:45:09,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 16:45:09,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:45:09,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47788630] [2022-10-15 16:45:09,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47788630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:45:09,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:45:09,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 16:45:09,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504987332] [2022-10-15 16:45:09,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:45:09,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 16:45:09,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:45:09,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 16:45:09,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:45:09,435 INFO L87 Difference]: Start difference. First operand 205 states and 254 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-10-15 16:45:09,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:45:09,547 INFO L93 Difference]: Finished difference Result 203 states and 252 transitions. [2022-10-15 16:45:09,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 16:45:09,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-10-15 16:45:09,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:45:09,550 INFO L225 Difference]: With dead ends: 203 [2022-10-15 16:45:09,550 INFO L226 Difference]: Without dead ends: 203 [2022-10-15 16:45:09,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:45:09,552 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 4 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 16:45:09,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 421 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 16:45:09,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-10-15 16:45:09,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2022-10-15 16:45:09,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 139 states have (on average 1.7553956834532374) internal successors, (244), 196 states have internal predecessors, (244), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-15 16:45:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 252 transitions. [2022-10-15 16:45:09,565 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 252 transitions. Word has length 11 [2022-10-15 16:45:09,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:45:09,565 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 252 transitions. [2022-10-15 16:45:09,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-10-15 16:45:09,566 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2022-10-15 16:45:09,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-15 16:45:09,566 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:45:09,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 16:45:09,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 16:45:09,567 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fabs_floatErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 61 more)] === [2022-10-15 16:45:09,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:45:09,568 INFO L85 PathProgramCache]: Analyzing trace with hash 70588696, now seen corresponding path program 1 times [2022-10-15 16:45:09,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:45:09,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21147495] [2022-10-15 16:45:09,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:45:09,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:45:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:45:09,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 16:45:09,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:45:09,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21147495] [2022-10-15 16:45:09,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21147495] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:45:09,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:45:09,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 16:45:09,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033932703] [2022-10-15 16:45:09,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:45:09,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 16:45:09,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:45:09,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 16:45:09,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:45:09,709 INFO L87 Difference]: Start difference. First operand 203 states and 252 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-10-15 16:45:09,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:45:09,819 INFO L93 Difference]: Finished difference Result 201 states and 250 transitions. [2022-10-15 16:45:09,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 16:45:09,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-10-15 16:45:09,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:45:09,822 INFO L225 Difference]: With dead ends: 201 [2022-10-15 16:45:09,823 INFO L226 Difference]: Without dead ends: 201 [2022-10-15 16:45:09,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:45:09,825 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 2 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 16:45:09,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 429 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 16:45:09,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-10-15 16:45:09,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2022-10-15 16:45:09,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 139 states have (on average 1.7410071942446044) internal successors, (242), 194 states have internal predecessors, (242), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-15 16:45:09,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 250 transitions. [2022-10-15 16:45:09,841 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 250 transitions. Word has length 11 [2022-10-15 16:45:09,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:45:09,842 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 250 transitions. [2022-10-15 16:45:09,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-10-15 16:45:09,846 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 250 transitions. [2022-10-15 16:45:09,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-15 16:45:09,847 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:45:09,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 16:45:09,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 16:45:09,852 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [fabs_floatErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 61 more)] === [2022-10-15 16:45:09,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:45:09,853 INFO L85 PathProgramCache]: Analyzing trace with hash 290337562, now seen corresponding path program 1 times [2022-10-15 16:45:09,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:45:09,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614610083] [2022-10-15 16:45:09,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:45:09,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:45:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:45:10,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 16:45:10,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:45:10,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614610083] [2022-10-15 16:45:10,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614610083] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:45:10,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:45:10,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 16:45:10,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093787083] [2022-10-15 16:45:10,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:45:10,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 16:45:10,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:45:10,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 16:45:10,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 16:45:10,026 INFO L87 Difference]: Start difference. First operand 201 states and 250 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-10-15 16:45:10,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:45:10,074 INFO L93 Difference]: Finished difference Result 252 states and 320 transitions. [2022-10-15 16:45:10,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 16:45:10,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2022-10-15 16:45:10,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:45:10,078 INFO L225 Difference]: With dead ends: 252 [2022-10-15 16:45:10,078 INFO L226 Difference]: Without dead ends: 252 [2022-10-15 16:45:10,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 16:45:10,082 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 87 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 16:45:10,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 521 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 16:45:10,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-10-15 16:45:10,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 231. [2022-10-15 16:45:10,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 169 states have (on average 1.7159763313609468) internal successors, (290), 224 states have internal predecessors, (290), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-15 16:45:10,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 298 transitions. [2022-10-15 16:45:10,100 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 298 transitions. Word has length 19 [2022-10-15 16:45:10,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:45:10,100 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 298 transitions. [2022-10-15 16:45:10,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-10-15 16:45:10,101 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 298 transitions. [2022-10-15 16:45:10,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-15 16:45:10,102 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:45:10,102 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] [2022-10-15 16:45:10,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 16:45:10,102 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting atan_floatErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fabs_floatErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 61 more)] === [2022-10-15 16:45:10,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:45:10,103 INFO L85 PathProgramCache]: Analyzing trace with hash -291917656, now seen corresponding path program 1 times [2022-10-15 16:45:10,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:45:10,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311855090] [2022-10-15 16:45:10,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:45:10,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:45:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:45:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 16:45:10,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:45:10,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311855090] [2022-10-15 16:45:10,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311855090] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:45:10,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:45:10,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 16:45:10,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550616412] [2022-10-15 16:45:10,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:45:10,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 16:45:10,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:45:10,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 16:45:10,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:45:10,185 INFO L87 Difference]: Start difference. First operand 231 states and 298 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:45:10,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:45:10,227 INFO L93 Difference]: Finished difference Result 238 states and 299 transitions. [2022-10-15 16:45:10,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 16:45:10,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-10-15 16:45:10,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:45:10,230 INFO L225 Difference]: With dead ends: 238 [2022-10-15 16:45:10,230 INFO L226 Difference]: Without dead ends: 238 [2022-10-15 16:45:10,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:45:10,231 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 34 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 16:45:10,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 476 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 16:45:10,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-10-15 16:45:10,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 229. [2022-10-15 16:45:10,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 167 states have (on average 1.688622754491018) internal successors, (282), 222 states have internal predecessors, (282), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-15 16:45:10,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 290 transitions. [2022-10-15 16:45:10,240 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 290 transitions. Word has length 21 [2022-10-15 16:45:10,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:45:10,241 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 290 transitions. [2022-10-15 16:45:10,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:45:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 290 transitions. [2022-10-15 16:45:10,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-15 16:45:10,242 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:45:10,243 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] [2022-10-15 16:45:10,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 16:45:10,243 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [fabs_floatErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fabs_floatErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 61 more)] === [2022-10-15 16:45:10,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:45:10,244 INFO L85 PathProgramCache]: Analyzing trace with hash 937467724, now seen corresponding path program 1 times [2022-10-15 16:45:10,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:45:10,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645056863] [2022-10-15 16:45:10,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:45:10,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:45:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:45:10,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-15 16:45:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:45:10,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-15 16:45:10,363 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-15 16:45:10,364 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK (63 of 64 remaining) [2022-10-15 16:45:10,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_floatErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 64 remaining) [2022-10-15 16:45:10,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_floatErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 64 remaining) [2022-10-15 16:45:10,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_floatErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 64 remaining) [2022-10-15 16:45:10,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_floatErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 64 remaining) [2022-10-15 16:45:10,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_floatErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 64 remaining) [2022-10-15 16:45:10,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_floatErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 64 remaining) [2022-10-15 16:45:10,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_floatErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 64 remaining) [2022-10-15 16:45:10,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_floatErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 64 remaining) [2022-10-15 16:45:10,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 64 remaining) [2022-10-15 16:45:10,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 64 remaining) [2022-10-15 16:45:10,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 64 remaining) [2022-10-15 16:45:10,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 64 remaining) [2022-10-15 16:45:10,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 64 remaining) [2022-10-15 16:45:10,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 64 remaining) [2022-10-15 16:45:10,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 64 remaining) [2022-10-15 16:45:10,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 64 remaining) [2022-10-15 16:45:10,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 64 remaining) [2022-10-15 16:45:10,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 64 remaining) [2022-10-15 16:45:10,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 64 remaining) [2022-10-15 16:45:10,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 64 remaining) [2022-10-15 16:45:10,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 64 remaining) [2022-10-15 16:45:10,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 64 remaining) [2022-10-15 16:45:10,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 64 remaining) [2022-10-15 16:45:10,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 64 remaining) [2022-10-15 16:45:10,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK (38 of 64 remaining) [2022-10-15 16:45:10,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 64 remaining) [2022-10-15 16:45:10,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 64 remaining) [2022-10-15 16:45:10,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 64 remaining) [2022-10-15 16:45:10,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 64 remaining) [2022-10-15 16:45:10,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 64 remaining) [2022-10-15 16:45:10,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 64 remaining) [2022-10-15 16:45:10,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 64 remaining) [2022-10-15 16:45:10,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 64 remaining) [2022-10-15 16:45:10,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 64 remaining) [2022-10-15 16:45:10,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 64 remaining) [2022-10-15 16:45:10,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 64 remaining) [2022-10-15 16:45:10,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 64 remaining) [2022-10-15 16:45:10,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 64 remaining) [2022-10-15 16:45:10,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 64 remaining) [2022-10-15 16:45:10,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 64 remaining) [2022-10-15 16:45:10,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 64 remaining) [2022-10-15 16:45:10,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 64 remaining) [2022-10-15 16:45:10,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 64 remaining) [2022-10-15 16:45:10,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 64 remaining) [2022-10-15 16:45:10,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 64 remaining) [2022-10-15 16:45:10,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 64 remaining) [2022-10-15 16:45:10,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 64 remaining) [2022-10-15 16:45:10,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 64 remaining) [2022-10-15 16:45:10,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 64 remaining) [2022-10-15 16:45:10,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 64 remaining) [2022-10-15 16:45:10,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 64 remaining) [2022-10-15 16:45:10,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 64 remaining) [2022-10-15 16:45:10,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 64 remaining) [2022-10-15 16:45:10,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 64 remaining) [2022-10-15 16:45:10,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 64 remaining) [2022-10-15 16:45:10,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 64 remaining) [2022-10-15 16:45:10,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 64 remaining) [2022-10-15 16:45:10,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 64 remaining) [2022-10-15 16:45:10,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 64 remaining) [2022-10-15 16:45:10,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 64 remaining) [2022-10-15 16:45:10,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 64 remaining) [2022-10-15 16:45:10,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 64 remaining) [2022-10-15 16:45:10,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 64 remaining) [2022-10-15 16:45:10,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 16:45:10,400 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 16:45:10,410 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 16:45:10,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:45:10 BoogieIcfgContainer [2022-10-15 16:45:10,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 16:45:10,504 INFO L158 Benchmark]: Toolchain (without parser) took 4577.29ms. Allocated memory was 151.0MB in the beginning and 208.7MB in the end (delta: 57.7MB). Free memory was 125.0MB in the beginning and 176.7MB in the end (delta: -51.7MB). Peak memory consumption was 100.5MB. Max. memory is 8.0GB. [2022-10-15 16:45:10,504 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:45:10,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.73ms. Allocated memory is still 151.0MB. Free memory was 124.8MB in the beginning and 111.1MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-10-15 16:45:10,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.93ms. Allocated memory is still 151.0MB. Free memory was 111.0MB in the beginning and 108.4MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-15 16:45:10,505 INFO L158 Benchmark]: Boogie Preprocessor took 113.55ms. Allocated memory is still 151.0MB. Free memory was 108.4MB in the beginning and 105.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-15 16:45:10,506 INFO L158 Benchmark]: RCFGBuilder took 1119.05ms. Allocated memory is still 151.0MB. Free memory was 105.7MB in the beginning and 107.6MB in the end (delta: -1.9MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2022-10-15 16:45:10,506 INFO L158 Benchmark]: TraceAbstraction took 2730.39ms. Allocated memory was 151.0MB in the beginning and 208.7MB in the end (delta: 57.7MB). Free memory was 107.1MB in the beginning and 176.7MB in the end (delta: -69.6MB). Peak memory consumption was 81.4MB. Max. memory is 8.0GB. [2022-10-15 16:45:10,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 462.73ms. Allocated memory is still 151.0MB. Free memory was 124.8MB in the beginning and 111.1MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 131.93ms. Allocated memory is still 151.0MB. Free memory was 111.0MB in the beginning and 108.4MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 113.55ms. Allocated memory is still 151.0MB. Free memory was 108.4MB in the beginning and 105.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1119.05ms. Allocated memory is still 151.0MB. Free memory was 105.7MB in the beginning and 107.6MB in the end (delta: -1.9MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2730.39ms. Allocated memory was 151.0MB in the beginning and 208.7MB in the end (delta: 57.7MB). Free memory was 107.1MB in the beginning and 176.7MB in the end (delta: -69.6MB). Peak memory consumption was 81.4MB. 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: 233]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of someBinaryFLOATComparisonOperation at line 232, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of memtrack at line 233, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] 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, }; [L49-L51] 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; [L117-L118] 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] [L218] float x = __VERIFIER_nondet_float(); [L219] float y = 0.0f; 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, y=0, zero_atan2=0] [L226] COND TRUE x > 0.0f [L229] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000002, \old(y)=0, 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=0, zero_atan2=0] [L125] ieee_float_shape_type gf_u; VAL [\old(x)=1000000000000000000000000000002, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, gf_u={9:0}, 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=0, zero_atan2=0] [L126] gf_u.value = (x) VAL [\old(x)=1000000000000000000000000000002, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, gf_u={9:0}, 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=0, zero_atan2=0] [L127] EXPR gf_u.word VAL [\old(x)=1000000000000000000000000000002, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, gf_u={9:0}, gf_u.word=4294967296, 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=0, zero_atan2=0] [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, ix=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=0, zero_atan2=0] [L131] ieee_float_shape_type gf_u; VAL [\old(x)=1000000000000000000000000000002, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, gf_u={7:0}, huge_atan=1000000000000000000000000000000, hx=0, ix=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=0, zero_atan2=0] [L132] gf_u.value = (y) VAL [\old(x)=1000000000000000000000000000002, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, gf_u={7:0}, huge_atan=1000000000000000000000000000000, hx=0, ix=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=0, zero_atan2=0] [L133] EXPR gf_u.word VAL [\old(x)=1000000000000000000000000000002, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, gf_u={7:0}, gf_u.word=6442450943, huge_atan=1000000000000000000000000000000, hx=0, ix=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=0, zero_atan2=0] [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=2147483647, ix=0, iy=2147483646, iy = hy & 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=0, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000002, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=2147483647, ix=0, iy=2147483646, iy = hy & 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=0, zero_atan2=0] [L229] RET, EXPR __ieee754_atan2f(y, x) [L229] float res = __ieee754_atan2f(y, x); [L232] COND TRUE res != 0.0f VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, iy = hy & 0x7fffffff=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000001, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=0, zero_atan2=0] [L233] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, iy = hy & 0x7fffffff=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000001, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=0, zero_atan2=0] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 217]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 211 locations, 64 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 3146 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1390 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 421 IncrementalHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 1756 mSDtfsCounter, 421 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=231occurred in iteration=6, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 [2022-10-15 16:45:10,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...