/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 04:45:50,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 04:45:50,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 04:45:51,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 04:45:51,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 04:45:51,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 04:45:51,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 04:45:51,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 04:45:51,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 04:45:51,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 04:45:51,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 04:45:51,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 04:45:51,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 04:45:51,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 04:45:51,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 04:45:51,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 04:45:51,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 04:45:51,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 04:45:51,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 04:45:51,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 04:45:51,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 04:45:51,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 04:45:51,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 04:45:51,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 04:45:51,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 04:45:51,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 04:45:51,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 04:45:51,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 04:45:51,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 04:45:51,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 04:45:51,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 04:45:51,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 04:45:51,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 04:45:51,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 04:45:51,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 04:45:51,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 04:45:51,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 04:45:51,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 04:45:51,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 04:45:51,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 04:45:51,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 04:45:51,044 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 04:45:51,068 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 04:45:51,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 04:45:51,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 04:45:51,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 04:45:51,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 04:45:51,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 04:45:51,069 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 04:45:51,069 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 04:45:51,069 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 04:45:51,069 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 04:45:51,070 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 04:45:51,070 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 04:45:51,070 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 04:45:51,070 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 04:45:51,070 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 04:45:51,070 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 04:45:51,071 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 04:45:51,071 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 04:45:51,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 04:45:51,071 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 04:45:51,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 04:45:51,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 04:45:51,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 04:45:51,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 04:45:51,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 04:45:51,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 04:45:51,072 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 04:45:51,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 04:45:51,072 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 04:45:51,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 04:45:51,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 04:45:51,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 04:45:51,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 04:45:51,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 04:45:51,073 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 04:45:51,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 04:45:51,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 04:45:51,073 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 04:45:51,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 04:45:51,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 04:45:51,074 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 04:45:51,074 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 04:45:51,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 04:45:51,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 04:45:51,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 04:45:51,291 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 04:45:51,292 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 04:45:51,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2023-04-01 04:45:52,316 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 04:45:52,458 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 04:45:52,459 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2023-04-01 04:45:52,471 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c447c2c61/31ea0b1e6b4b4020a9b59838a25a9a9c/FLAG0d6efe0fd [2023-04-01 04:45:52,489 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c447c2c61/31ea0b1e6b4b4020a9b59838a25a9a9c [2023-04-01 04:45:52,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 04:45:52,492 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 04:45:52,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 04:45:52,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 04:45:52,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 04:45:52,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 04:45:52" (1/1) ... [2023-04-01 04:45:52,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50eeffed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:45:52, skipping insertion in model container [2023-04-01 04:45:52,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 04:45:52" (1/1) ... [2023-04-01 04:45:52,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 04:45:52,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 04:45:52,698 WARN L247 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/double_req_bl_0730a.c[3437,3450] [2023-04-01 04:45:52,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 04:45:52,707 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 04:45:52,731 WARN L247 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/double_req_bl_0730a.c[3437,3450] [2023-04-01 04:45:52,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 04:45:52,741 INFO L208 MainTranslator]: Completed translation [2023-04-01 04:45:52,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:45:52 WrapperNode [2023-04-01 04:45:52,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 04:45:52,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 04:45:52,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 04:45:52,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 04:45:52,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:45:52" (1/1) ... [2023-04-01 04:45:52,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:45:52" (1/1) ... [2023-04-01 04:45:52,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:45:52" (1/1) ... [2023-04-01 04:45:52,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:45:52" (1/1) ... [2023-04-01 04:45:52,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:45:52" (1/1) ... [2023-04-01 04:45:52,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:45:52" (1/1) ... [2023-04-01 04:45:52,809 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:45:52" (1/1) ... [2023-04-01 04:45:52,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:45:52" (1/1) ... [2023-04-01 04:45:52,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 04:45:52,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 04:45:52,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 04:45:52,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 04:45:52,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:45:52" (1/1) ... [2023-04-01 04:45:52,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 04:45:52,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 04:45:52,843 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) [2023-04-01 04:45:52,857 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 [2023-04-01 04:45:52,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 04:45:52,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 04:45:52,883 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 04:45:52,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2023-04-01 04:45:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2023-04-01 04:45:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2023-04-01 04:45:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 04:45:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 04:45:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 04:45:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 04:45:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 04:45:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2023-04-01 04:45:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2023-04-01 04:45:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2023-04-01 04:45:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 04:45:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-04-01 04:45:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 04:45:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 04:45:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 04:45:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-04-01 04:45:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2023-04-01 04:45:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 04:45:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 04:45:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 04:45:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 04:45:52,980 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 04:45:52,982 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 04:45:53,438 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 04:45:53,755 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 04:45:53,755 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-04-01 04:45:53,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 04:45:53 BoogieIcfgContainer [2023-04-01 04:45:53,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 04:45:53,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 04:45:53,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 04:45:53,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 04:45:53,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 04:45:52" (1/3) ... [2023-04-01 04:45:53,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204763f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 04:45:53, skipping insertion in model container [2023-04-01 04:45:53,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:45:52" (2/3) ... [2023-04-01 04:45:53,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204763f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 04:45:53, skipping insertion in model container [2023-04-01 04:45:53,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 04:45:53" (3/3) ... [2023-04-01 04:45:53,764 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a.c [2023-04-01 04:45:53,776 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 04:45:53,777 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 04:45:53,821 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 04:45:53,826 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@424e7de8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 04:45:53,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 04:45:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 33 states have (on average 1.5454545454545454) internal successors, (51), 34 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-04-01 04:45:53,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-04-01 04:45:53,837 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 04:45:53,838 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] [2023-04-01 04:45:53,839 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 04:45:53,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 04:45:53,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1599978166, now seen corresponding path program 1 times [2023-04-01 04:45:53,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 04:45:53,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468759884] [2023-04-01 04:45:53,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 04:45:53,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 04:45:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 04:45:54,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 04:45:54,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 04:45:54,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468759884] [2023-04-01 04:45:54,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468759884] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 04:45:54,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 04:45:54,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 04:45:54,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055131420] [2023-04-01 04:45:54,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 04:45:54,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 04:45:54,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 04:45:54,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 04:45:54,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 04:45:54,086 INFO L87 Difference]: Start difference. First operand has 43 states, 33 states have (on average 1.5454545454545454) internal successors, (51), 34 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-04-01 04:45:54,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 04:45:54,154 INFO L93 Difference]: Finished difference Result 79 states and 112 transitions. [2023-04-01 04:45:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 04:45:54,156 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2023-04-01 04:45:54,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 04:45:54,161 INFO L225 Difference]: With dead ends: 79 [2023-04-01 04:45:54,161 INFO L226 Difference]: Without dead ends: 39 [2023-04-01 04:45:54,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 04:45:54,167 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 04:45:54,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 04:45:54,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-04-01 04:45:54,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-04-01 04:45:54,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 04:45:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2023-04-01 04:45:54,191 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 21 [2023-04-01 04:45:54,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 04:45:54,192 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2023-04-01 04:45:54,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-04-01 04:45:54,192 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-04-01 04:45:54,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-04-01 04:45:54,194 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 04:45:54,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 04:45:54,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 04:45:54,194 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 04:45:54,194 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 04:45:54,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1229931444, now seen corresponding path program 1 times [2023-04-01 04:45:54,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 04:45:54,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407688841] [2023-04-01 04:45:54,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 04:45:54,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 04:45:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 04:45:54,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 04:45:54,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 04:45:54,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407688841] [2023-04-01 04:45:54,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407688841] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 04:45:54,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 04:45:54,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 04:45:54,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408026587] [2023-04-01 04:45:54,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 04:45:54,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 04:45:54,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 04:45:54,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 04:45:54,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 04:45:54,781 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 04:45:54,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 04:45:54,862 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2023-04-01 04:45:54,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 04:45:54,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2023-04-01 04:45:54,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 04:45:54,863 INFO L225 Difference]: With dead ends: 39 [2023-04-01 04:45:54,863 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 04:45:54,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 04:45:54,864 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 04:45:54,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 04:45:54,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 04:45:54,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 04:45:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-04-01 04:45:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 04:45:54,866 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2023-04-01 04:45:54,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 04:45:54,866 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 04:45:54,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 04:45:54,866 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 04:45:54,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 04:45:54,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 04:45:54,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 04:45:54,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 04:45:54,885 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2023-04-01 04:45:54,886 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 3) no Hoare annotation was computed. [2023-04-01 04:45:54,886 INFO L899 garLoopResultBuilder]: For program point isnan_doubleEXIT(line 20) no Hoare annotation was computed. [2023-04-01 04:45:54,886 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 20) no Hoare annotation was computed. [2023-04-01 04:45:54,886 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 135 147) the Hoare annotation is: true [2023-04-01 04:45:54,886 INFO L899 garLoopResultBuilder]: For program point L137-1(lines 137 142) no Hoare annotation was computed. [2023-04-01 04:45:54,886 INFO L902 garLoopResultBuilder]: At program point L137-2(lines 137 142) the Hoare annotation is: true [2023-04-01 04:45:54,886 INFO L899 garLoopResultBuilder]: For program point L137-3(lines 137 142) no Hoare annotation was computed. [2023-04-01 04:45:54,886 INFO L899 garLoopResultBuilder]: For program point isinf_doubleEXIT(lines 135 147) no Hoare annotation was computed. [2023-04-01 04:45:54,886 INFO L902 garLoopResultBuilder]: At program point L161(line 161) the Hoare annotation is: true [2023-04-01 04:45:54,887 INFO L899 garLoopResultBuilder]: For program point L161-1(line 161) no Hoare annotation was computed. [2023-04-01 04:45:54,888 INFO L899 garLoopResultBuilder]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 162) no Hoare annotation was computed. [2023-04-01 04:45:54,888 INFO L899 garLoopResultBuilder]: For program point L161-2(lines 161 164) no Hoare annotation was computed. [2023-04-01 04:45:54,888 INFO L902 garLoopResultBuilder]: At program point L158(line 158) the Hoare annotation is: true [2023-04-01 04:45:54,888 INFO L899 garLoopResultBuilder]: For program point L158-1(line 158) no Hoare annotation was computed. [2023-04-01 04:45:54,888 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 149 167) no Hoare annotation was computed. [2023-04-01 04:45:54,888 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 149 167) the Hoare annotation is: true [2023-04-01 04:45:54,889 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 149 167) no Hoare annotation was computed. [2023-04-01 04:45:54,889 INFO L899 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2023-04-01 04:45:54,889 INFO L899 garLoopResultBuilder]: For program point L37-3(lines 37 39) no Hoare annotation was computed. [2023-04-01 04:45:54,889 INFO L902 garLoopResultBuilder]: At program point L87-2(lines 87 103) the Hoare annotation is: true [2023-04-01 04:45:54,889 INFO L899 garLoopResultBuilder]: For program point L55-4(lines 55 56) no Hoare annotation was computed. [2023-04-01 04:45:54,889 INFO L902 garLoopResultBuilder]: At program point L55-7(lines 55 56) the Hoare annotation is: true [2023-04-01 04:45:54,889 INFO L899 garLoopResultBuilder]: For program point L55-8(lines 55 56) no Hoare annotation was computed. [2023-04-01 04:45:54,889 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 46) no Hoare annotation was computed. [2023-04-01 04:45:54,889 INFO L902 garLoopResultBuilder]: At program point L74-2(lines 74 84) the Hoare annotation is: true [2023-04-01 04:45:54,889 INFO L899 garLoopResultBuilder]: For program point L41-2(lines 41 46) no Hoare annotation was computed. [2023-04-01 04:45:54,890 INFO L899 garLoopResultBuilder]: For program point L42-8(lines 42 45) no Hoare annotation was computed. [2023-04-01 04:45:54,890 INFO L899 garLoopResultBuilder]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2023-04-01 04:45:54,890 INFO L902 garLoopResultBuilder]: At program point L125-2(lines 125 130) the Hoare annotation is: true [2023-04-01 04:45:54,890 INFO L899 garLoopResultBuilder]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2023-04-01 04:45:54,890 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtFINAL(lines 24 132) no Hoare annotation was computed. [2023-04-01 04:45:54,890 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2023-04-01 04:45:54,893 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 24 132) the Hoare annotation is: true [2023-04-01 04:45:54,893 INFO L899 garLoopResultBuilder]: For program point L30-1(lines 30 35) no Hoare annotation was computed. [2023-04-01 04:45:54,893 INFO L902 garLoopResultBuilder]: At program point L30-2(lines 30 35) the Hoare annotation is: true [2023-04-01 04:45:54,893 INFO L899 garLoopResultBuilder]: For program point L30-3(lines 24 132) no Hoare annotation was computed. [2023-04-01 04:45:54,893 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtEXIT(lines 24 132) no Hoare annotation was computed. [2023-04-01 04:45:54,894 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2023-04-01 04:45:54,894 INFO L899 garLoopResultBuilder]: For program point L49-2(lines 49 60) no Hoare annotation was computed. [2023-04-01 04:45:54,894 INFO L902 garLoopResultBuilder]: At program point L50-2(lines 50 54) the Hoare annotation is: true [2023-04-01 04:45:54,894 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 04:45:54,894 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 04:45:54,894 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 04:45:54,894 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-04-01 04:45:54,894 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 04:45:54,894 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 04:45:54,898 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-04-01 04:45:54,900 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 04:45:54,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 04:45:54 BoogieIcfgContainer [2023-04-01 04:45:54,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 04:45:54,912 INFO L158 Benchmark]: Toolchain (without parser) took 2417.78ms. Allocated memory was 204.5MB in the beginning and 264.2MB in the end (delta: 59.8MB). Free memory was 155.5MB in the beginning and 213.7MB in the end (delta: -58.2MB). Peak memory consumption was 2.7MB. Max. memory is 8.0GB. [2023-04-01 04:45:54,913 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 204.5MB. Free memory is still 160.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 04:45:54,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.64ms. Allocated memory is still 204.5MB. Free memory was 155.2MB in the beginning and 141.8MB in the end (delta: 13.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-04-01 04:45:54,913 INFO L158 Benchmark]: Boogie Preprocessor took 73.82ms. Allocated memory is still 204.5MB. Free memory was 141.8MB in the beginning and 139.1MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 04:45:54,913 INFO L158 Benchmark]: RCFGBuilder took 940.24ms. Allocated memory was 204.5MB in the beginning and 264.2MB in the end (delta: 59.8MB). Free memory was 139.1MB in the beginning and 155.0MB in the end (delta: -15.9MB). Peak memory consumption was 46.8MB. Max. memory is 8.0GB. [2023-04-01 04:45:54,914 INFO L158 Benchmark]: TraceAbstraction took 1150.07ms. Allocated memory is still 264.2MB. Free memory was 154.0MB in the beginning and 213.7MB in the end (delta: -59.8MB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 04:45:54,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 204.5MB. Free memory is still 160.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 248.64ms. Allocated memory is still 204.5MB. Free memory was 155.2MB in the beginning and 141.8MB in the end (delta: 13.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 73.82ms. Allocated memory is still 204.5MB. Free memory was 141.8MB in the beginning and 139.1MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 940.24ms. Allocated memory was 204.5MB in the beginning and 264.2MB in the end (delta: 59.8MB). Free memory was 139.1MB in the beginning and 155.0MB in the end (delta: -15.9MB). Peak memory consumption was 46.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1150.07ms. Allocated memory is still 264.2MB. Free memory was 154.0MB in the beginning and 213.7MB in the end (delta: -59.8MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 162]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 67 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 17 PreInvPairs, 25 NumberOfFragments, 15 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-01 04:45:54,928 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...