./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 03:03:37,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 03:03:37,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 03:03:37,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 03:03:37,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 03:03:37,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 03:03:37,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 03:03:37,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 03:03:37,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 03:03:37,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 03:03:37,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 03:03:37,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 03:03:37,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 03:03:37,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 03:03:37,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 03:03:37,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 03:03:37,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 03:03:37,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 03:03:37,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 03:03:37,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 03:03:37,561 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 03:03:37,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 03:03:37,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 03:03:37,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 03:03:37,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 03:03:37,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 03:03:37,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 03:03:37,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 03:03:37,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 03:03:37,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 03:03:37,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 03:03:37,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 03:03:37,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 03:03:37,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 03:03:37,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 03:03:37,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 03:03:37,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 03:03:37,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 03:03:37,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 03:03:37,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 03:03:37,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 03:03:37,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 03:03:37,579 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 03:03:37,602 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 03:03:37,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 03:03:37,603 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 03:03:37,603 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 03:03:37,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 03:03:37,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 03:03:37,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 03:03:37,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 03:03:37,605 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 03:03:37,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 03:03:37,605 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 03:03:37,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 03:03:37,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 03:03:37,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 03:03:37,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 03:03:37,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 03:03:37,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 03:03:37,606 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 03:03:37,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 03:03:37,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 03:03:37,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 03:03:37,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 03:03:37,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 03:03:37,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 03:03:37,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:03:37,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 03:03:37,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 03:03:37,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 03:03:37,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 03:03:37,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 03:03:37,609 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 03:03:37,609 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 03:03:37,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 03:03:37,609 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 [2022-07-12 03:03:37,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 03:03:37,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 03:03:37,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 03:03:37,824 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 03:03:37,824 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 03:03:37,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2022-07-12 03:03:37,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2317989a/7d916fcbe9d84b4cba38efea6a913554/FLAG87ef5fd4d [2022-07-12 03:03:38,200 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 03:03:38,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2022-07-12 03:03:38,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2317989a/7d916fcbe9d84b4cba38efea6a913554/FLAG87ef5fd4d [2022-07-12 03:03:38,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2317989a/7d916fcbe9d84b4cba38efea6a913554 [2022-07-12 03:03:38,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 03:03:38,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 03:03:38,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 03:03:38,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 03:03:38,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 03:03:38,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:03:38" (1/1) ... [2022-07-12 03:03:38,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eae374c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:38, skipping insertion in model container [2022-07-12 03:03:38,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:03:38" (1/1) ... [2022-07-12 03:03:38,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 03:03:38,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 03:03:38,877 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/double_req_bl_1121a.c[3883,3896] [2022-07-12 03:03:38,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:03:38,885 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 03:03:38,920 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/double_req_bl_1121a.c[3883,3896] [2022-07-12 03:03:38,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:03:38,932 INFO L208 MainTranslator]: Completed translation [2022-07-12 03:03:38,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:38 WrapperNode [2022-07-12 03:03:38,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 03:03:38,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 03:03:38,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 03:03:38,935 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 03:03:38,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:38" (1/1) ... [2022-07-12 03:03:38,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:38" (1/1) ... [2022-07-12 03:03:38,998 INFO L137 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 306 [2022-07-12 03:03:38,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 03:03:39,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 03:03:39,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 03:03:39,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 03:03:39,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:38" (1/1) ... [2022-07-12 03:03:39,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:38" (1/1) ... [2022-07-12 03:03:39,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:38" (1/1) ... [2022-07-12 03:03:39,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:38" (1/1) ... [2022-07-12 03:03:39,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:38" (1/1) ... [2022-07-12 03:03:39,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:38" (1/1) ... [2022-07-12 03:03:39,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:38" (1/1) ... [2022-07-12 03:03:39,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 03:03:39,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 03:03:39,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 03:03:39,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 03:03:39,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:38" (1/1) ... [2022-07-12 03:03:39,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:03:39,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:03:39,098 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) [2022-07-12 03:03:39,127 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 [2022-07-12 03:03:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 03:03:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 03:03:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 03:03:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 03:03:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-12 03:03:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-12 03:03:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 03:03:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 03:03:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 03:03:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-12 03:03:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 03:03:39,238 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 03:03:39,239 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 03:03:39,732 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 03:03:39,743 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 03:03:39,743 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2022-07-12 03:03:39,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:39 BoogieIcfgContainer [2022-07-12 03:03:39,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 03:03:39,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 03:03:39,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 03:03:39,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 03:03:39,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:03:38" (1/3) ... [2022-07-12 03:03:39,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7bd30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:03:39, skipping insertion in model container [2022-07-12 03:03:39,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:38" (2/3) ... [2022-07-12 03:03:39,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7bd30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:03:39, skipping insertion in model container [2022-07-12 03:03:39,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:39" (3/3) ... [2022-07-12 03:03:39,755 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121a.c [2022-07-12 03:03:39,774 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 03:03:39,774 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 03:03:39,823 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 03:03:39,828 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@40919b6f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2d021c0 [2022-07-12 03:03:39,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 03:03:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 85 states have (on average 1.8352941176470587) internal successors, (156), 86 states have internal predecessors, (156), 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) [2022-07-12 03:03:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-12 03:03:39,841 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:39,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:39,842 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:39,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:39,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1371056884, now seen corresponding path program 1 times [2022-07-12 03:03:39,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:03:39,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107454400] [2022-07-12 03:03:39,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:39,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:03:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:03:39,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:03:39,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:03:39,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107454400] [2022-07-12 03:03:39,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107454400] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:03:39,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:03:39,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 03:03:39,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826584415] [2022-07-12 03:03:39,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:03:39,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 03:03:39,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:03:40,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 03:03:40,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:03:40,012 INFO L87 Difference]: Start difference. First operand has 87 states, 85 states have (on average 1.8352941176470587) internal successors, (156), 86 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2022-07-12 03:03:40,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:03:40,043 INFO L93 Difference]: Finished difference Result 172 states and 310 transitions. [2022-07-12 03:03:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 03:03:40,045 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 [2022-07-12 03:03:40,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:03:40,052 INFO L225 Difference]: With dead ends: 172 [2022-07-12 03:03:40,053 INFO L226 Difference]: Without dead ends: 84 [2022-07-12 03:03:40,056 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 [2022-07-12 03:03:40,059 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:03:40,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 03:03:40,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-12 03:03:40,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-12 03:03:40,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.5662650602409638) internal successors, (130), 83 states have internal predecessors, (130), 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) [2022-07-12 03:03:40,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 130 transitions. [2022-07-12 03:03:40,097 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 130 transitions. Word has length 11 [2022-07-12 03:03:40,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:03:40,098 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 130 transitions. [2022-07-12 03:03:40,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2022-07-12 03:03:40,098 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2022-07-12 03:03:40,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-12 03:03:40,099 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:40,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:40,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 03:03:40,100 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:40,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:40,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1952319703, now seen corresponding path program 1 times [2022-07-12 03:03:40,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:03:40,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131680673] [2022-07-12 03:03:40,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:40,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:03:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 03:03:40,229 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 03:03:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 03:03:40,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 03:03:40,294 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 03:03:40,295 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 03:03:40,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 03:03:40,301 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-12 03:03:40,303 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 03:03:40,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 03:03:40 BoogieIcfgContainer [2022-07-12 03:03:40,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 03:03:40,324 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 03:03:40,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 03:03:40,325 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 03:03:40,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:39" (3/4) ... [2022-07-12 03:03:40,334 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 03:03:40,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 03:03:40,335 INFO L158 Benchmark]: Toolchain (without parser) took 1704.83ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 61.5MB in the beginning and 59.8MB in the end (delta: 1.7MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-07-12 03:03:40,335 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 100.7MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:03:40,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.39ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 72.1MB in the end (delta: -10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 03:03:40,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.55ms. Allocated memory is still 100.7MB. Free memory was 72.1MB in the beginning and 67.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 03:03:40,336 INFO L158 Benchmark]: Boogie Preprocessor took 48.84ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 64.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 03:03:40,337 INFO L158 Benchmark]: RCFGBuilder took 696.34ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 64.2MB in the beginning and 95.2MB in the end (delta: -31.1MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-07-12 03:03:40,337 INFO L158 Benchmark]: TraceAbstraction took 575.98ms. Allocated memory is still 121.6MB. Free memory was 94.7MB in the beginning and 60.5MB in the end (delta: 34.2MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-07-12 03:03:40,337 INFO L158 Benchmark]: Witness Printer took 10.12ms. Allocated memory is still 121.6MB. Free memory was 60.5MB in the beginning and 59.8MB in the end (delta: 671.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:03:40,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 100.7MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.39ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 72.1MB in the end (delta: -10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.55ms. Allocated memory is still 100.7MB. Free memory was 72.1MB in the beginning and 67.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.84ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 64.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 696.34ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 64.2MB in the beginning and 95.2MB in the end (delta: -31.1MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * TraceAbstraction took 575.98ms. Allocated memory is still 121.6MB. Free memory was 94.7MB in the beginning and 60.5MB in the end (delta: 34.2MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Witness Printer took 10.12ms. Allocated memory is still 121.6MB. Free memory was 60.5MB in the beginning and 59.8MB in the end (delta: 671.4kB). There was no memory consumed. Max. memory is 16.1GB. * 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: 177]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 46, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of bitwiseAnd at line 43, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of bitwiseXOr at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L171] double x = __VERIFIER_nondet_double(); [L172] double y = 0.0; [L173] CALL, EXPR fmod_double(x, y) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [\old(x)=4294967306, \old(y)=0, one_fmod=1, x=4294967306, y=0, Zero_fmod={4:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 VAL [\old(x)=4294967306, \old(y)=0, hx=0, hy=7, lx=4294967304, ly=1, one_fmod=1, sx=0, x=4294967306, y=0, Zero_fmod={4:0}] [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [\old(x)=4294967306, \old(y)=0, hx=0, hy=1, lx=4294967304, ly=1, one_fmod=1, sx=0, x=4294967306, y=0, Zero_fmod={4:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [\old(x)=4294967306, \old(y)=0, hx=0, hy=1, lx=4294967304, ly=1, one_fmod=1, sx=0, x=4294967306, y=0, Zero_fmod={4:0}] [L173] RET, EXPR fmod_double(x, y) [L173] double res = fmod_double(x, y); [L176] CALL, EXPR isnan_double(res) [L18] return x != x; VAL [\old(x)=4294967305, \result=0, one_fmod=1, x=4294967305, Zero_fmod={4:0}] [L176] RET, EXPR isnan_double(res) [L176] COND TRUE !isnan_double(res) [L177] reach_error() VAL [one_fmod=1, res=4294967305, x=4294967306, y=0, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 133 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 133 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-12 03:03:40,372 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 03:03:42,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 03:03:42,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 03:03:42,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 03:03:42,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 03:03:42,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 03:03:42,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 03:03:42,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 03:03:42,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 03:03:42,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 03:03:42,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 03:03:42,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 03:03:42,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 03:03:42,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 03:03:42,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 03:03:42,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 03:03:42,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 03:03:42,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 03:03:42,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 03:03:42,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 03:03:42,115 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 03:03:42,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 03:03:42,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 03:03:42,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 03:03:42,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 03:03:42,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 03:03:42,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 03:03:42,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 03:03:42,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 03:03:42,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 03:03:42,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 03:03:42,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 03:03:42,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 03:03:42,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 03:03:42,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 03:03:42,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 03:03:42,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 03:03:42,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 03:03:42,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 03:03:42,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 03:03:42,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 03:03:42,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 03:03:42,140 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-12 03:03:42,166 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 03:03:42,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 03:03:42,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 03:03:42,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 03:03:42,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 03:03:42,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 03:03:42,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 03:03:42,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 03:03:42,170 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 03:03:42,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 03:03:42,171 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 03:03:42,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 03:03:42,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 03:03:42,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 03:03:42,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 03:03:42,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 03:03:42,172 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 03:03:42,172 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 03:03:42,173 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 03:03:42,173 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 03:03:42,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 03:03:42,173 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 03:03:42,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 03:03:42,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 03:03:42,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 03:03:42,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 03:03:42,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:03:42,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 03:03:42,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 03:03:42,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 03:03:42,175 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 03:03:42,175 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 03:03:42,175 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 03:03:42,176 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 03:03:42,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 03:03:42,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 03:03:42,176 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 [2022-07-12 03:03:42,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 03:03:42,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 03:03:42,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 03:03:42,447 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 03:03:42,448 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 03:03:42,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2022-07-12 03:03:42,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4f8cee03/c6e51cc0591f492983db80a981598efa/FLAG73b80353e [2022-07-12 03:03:42,820 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 03:03:42,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2022-07-12 03:03:42,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4f8cee03/c6e51cc0591f492983db80a981598efa/FLAG73b80353e [2022-07-12 03:03:43,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4f8cee03/c6e51cc0591f492983db80a981598efa [2022-07-12 03:03:43,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 03:03:43,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 03:03:43,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 03:03:43,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 03:03:43,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 03:03:43,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:03:43" (1/1) ... [2022-07-12 03:03:43,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a22d790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:43, skipping insertion in model container [2022-07-12 03:03:43,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:03:43" (1/1) ... [2022-07-12 03:03:43,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 03:03:43,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 03:03:43,432 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/double_req_bl_1121a.c[3883,3896] [2022-07-12 03:03:43,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:03:43,453 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 03:03:43,545 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/double_req_bl_1121a.c[3883,3896] [2022-07-12 03:03:43,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:03:43,567 INFO L208 MainTranslator]: Completed translation [2022-07-12 03:03:43,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:43 WrapperNode [2022-07-12 03:03:43,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 03:03:43,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 03:03:43,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 03:03:43,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 03:03:43,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:43" (1/1) ... [2022-07-12 03:03:43,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:43" (1/1) ... [2022-07-12 03:03:43,621 INFO L137 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 224 [2022-07-12 03:03:43,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 03:03:43,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 03:03:43,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 03:03:43,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 03:03:43,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:43" (1/1) ... [2022-07-12 03:03:43,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:43" (1/1) ... [2022-07-12 03:03:43,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:43" (1/1) ... [2022-07-12 03:03:43,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:43" (1/1) ... [2022-07-12 03:03:43,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:43" (1/1) ... [2022-07-12 03:03:43,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:43" (1/1) ... [2022-07-12 03:03:43,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:43" (1/1) ... [2022-07-12 03:03:43,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 03:03:43,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 03:03:43,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 03:03:43,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 03:03:43,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:43" (1/1) ... [2022-07-12 03:03:43,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:03:43,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:03:43,701 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) [2022-07-12 03:03:43,719 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 [2022-07-12 03:03:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 03:03:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-07-12 03:03:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-07-12 03:03:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 03:03:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 03:03:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-07-12 03:03:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 03:03:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 03:03:43,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 03:03:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 03:03:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 03:03:43,816 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 03:03:43,818 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 03:03:47,312 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 03:03:47,318 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 03:03:47,318 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2022-07-12 03:03:47,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:47 BoogieIcfgContainer [2022-07-12 03:03:47,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 03:03:47,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 03:03:47,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 03:03:47,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 03:03:47,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:03:43" (1/3) ... [2022-07-12 03:03:47,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13366cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:03:47, skipping insertion in model container [2022-07-12 03:03:47,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:43" (2/3) ... [2022-07-12 03:03:47,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13366cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:03:47, skipping insertion in model container [2022-07-12 03:03:47,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:47" (3/3) ... [2022-07-12 03:03:47,326 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121a.c [2022-07-12 03:03:47,338 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 03:03:47,338 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 03:03:47,368 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 03:03:47,372 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@419c1ce6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@cdaa81d [2022-07-12 03:03:47,373 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 03:03:47,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 53 states have (on average 1.8113207547169812) internal successors, (96), 54 states have internal predecessors, (96), 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) [2022-07-12 03:03:47,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-12 03:03:47,381 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:47,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:47,382 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:47,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:47,388 INFO L85 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2022-07-12 03:03:47,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:03:47,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359080914] [2022-07-12 03:03:47,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:47,398 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:03:47,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:03:47,401 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 03:03:47,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 03:03:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:03:48,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 03:03:48,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:03:48,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:03:48,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:03:48,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:03:48,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359080914] [2022-07-12 03:03:48,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359080914] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:03:48,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:03:48,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 03:03:48,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038834887] [2022-07-12 03:03:48,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:03:48,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 03:03:48,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:03:48,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 03:03:48,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:03:48,273 INFO L87 Difference]: Start difference. First operand has 55 states, 53 states have (on average 1.8113207547169812) internal successors, (96), 54 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-07-12 03:03:48,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:03:48,285 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2022-07-12 03:03:48,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 03:03:48,286 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-07-12 03:03:48,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:03:48,291 INFO L225 Difference]: With dead ends: 108 [2022-07-12 03:03:48,292 INFO L226 Difference]: Without dead ends: 52 [2022-07-12 03:03:48,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:03:48,296 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:03:48,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 03:03:48,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-07-12 03:03:48,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-07-12 03:03:48,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 51 states have internal predecessors, (78), 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) [2022-07-12 03:03:48,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2022-07-12 03:03:48,317 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2022-07-12 03:03:48,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:03:48,317 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2022-07-12 03:03:48,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-07-12 03:03:48,317 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2022-07-12 03:03:48,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-12 03:03:48,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:48,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:48,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 03:03:48,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:03:48,533 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:48,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:48,534 INFO L85 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2022-07-12 03:03:48,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:03:48,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198824210] [2022-07-12 03:03:48,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:48,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:03:48,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:03:48,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 03:03:48,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 03:03:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:03:49,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-12 03:03:49,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:03:55,117 WARN L855 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_fmod_double_~x#1| (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven |ULTIMATE.start_fmod_double_~x#1| (_ +zero 11 53)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |c_ULTIMATE.start_fmod_double_#res#1|)) is different from true [2022-07-12 03:03:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:03:58,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:03:58,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:03:58,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198824210] [2022-07-12 03:03:58,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198824210] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:03:58,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:03:58,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 03:03:58,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315204434] [2022-07-12 03:03:58,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:03:58,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 03:03:58,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:03:58,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 03:03:58,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=21, Unknown=1, NotChecked=8, Total=42 [2022-07-12 03:03:58,199 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:04:01,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 03:04:04,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 03:04:04,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:04:04,363 INFO L93 Difference]: Finished difference Result 63 states and 87 transitions. [2022-07-12 03:04:04,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 03:04:04,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-07-12 03:04:04,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:04:04,403 INFO L225 Difference]: With dead ends: 63 [2022-07-12 03:04:04,403 INFO L226 Difference]: Without dead ends: 58 [2022-07-12 03:04:04,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2022-07-12 03:04:04,404 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 76 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:04:04,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 226 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 2 Unknown, 81 Unchecked, 6.0s Time] [2022-07-12 03:04:04,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-07-12 03:04:04,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 52. [2022-07-12 03:04:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 51 states have internal predecessors, (77), 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) [2022-07-12 03:04:04,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2022-07-12 03:04:04,410 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2022-07-12 03:04:04,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:04:04,410 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2022-07-12 03:04:04,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:04:04,410 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2022-07-12 03:04:04,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-12 03:04:04,411 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:04:04,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:04:04,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 03:04:04,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:04:04,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:04:04,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:04:04,616 INFO L85 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2022-07-12 03:04:04,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:04:04,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397805895] [2022-07-12 03:04:04,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:04:04,617 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:04:04,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:04:04,618 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 03:04:04,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 03:04:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:04:04,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-12 03:04:04,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:04:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:04:05,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:04:05,466 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:04:05,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397805895] [2022-07-12 03:04:05,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397805895] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:04:05,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:04:05,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 03:04:05,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154108653] [2022-07-12 03:04:05,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:04:05,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 03:04:05,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:04:05,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 03:04:05,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 03:04:05,469 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-07-12 03:04:05,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:04:05,606 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2022-07-12 03:04:05,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 03:04:05,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2022-07-12 03:04:05,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:04:05,607 INFO L225 Difference]: With dead ends: 52 [2022-07-12 03:04:05,607 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 03:04:05,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 03:04:05,608 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:04:05,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 2 Unchecked, 0.0s Time] [2022-07-12 03:04:05,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 03:04:05,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 03:04:05,609 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) [2022-07-12 03:04:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 03:04:05,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-07-12 03:04:05,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:04:05,610 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 03:04:05,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-07-12 03:04:05,610 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 03:04:05,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 03:04:05,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 03:04:05,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 03:04:05,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:04:05,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 03:04:09,365 INFO L899 garLoopResultBuilder]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2022-07-12 03:04:09,365 INFO L895 garLoopResultBuilder]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2022-07-12 03:04:09,365 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 03:04:09,365 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2022-07-12 03:04:09,365 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2022-07-12 03:04:09,365 INFO L895 garLoopResultBuilder]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2022-07-12 03:04:09,365 INFO L899 garLoopResultBuilder]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2022-07-12 03:04:09,366 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 121) no Hoare annotation was computed. [2022-07-12 03:04:09,366 INFO L899 garLoopResultBuilder]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:09,366 INFO L899 garLoopResultBuilder]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2022-07-12 03:04:09,366 INFO L895 garLoopResultBuilder]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2022-07-12 03:04:09,366 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2022-07-12 03:04:09,366 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 142 161) no Hoare annotation was computed. [2022-07-12 03:04:09,366 INFO L899 garLoopResultBuilder]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2022-07-12 03:04:09,366 INFO L899 garLoopResultBuilder]: For program point L55(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:09,366 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:09,366 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 62) no Hoare annotation was computed. [2022-07-12 03:04:09,366 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2022-07-12 03:04:09,366 INFO L899 garLoopResultBuilder]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2022-07-12 03:04:09,367 INFO L899 garLoopResultBuilder]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2022-07-12 03:04:09,367 INFO L895 garLoopResultBuilder]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2022-07-12 03:04:09,367 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 03:04:09,367 INFO L895 garLoopResultBuilder]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2022-07-12 03:04:09,367 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-07-12 03:04:09,367 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2022-07-12 03:04:09,367 INFO L899 garLoopResultBuilder]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2022-07-12 03:04:09,367 INFO L895 garLoopResultBuilder]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2022-07-12 03:04:09,367 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 179) no Hoare annotation was computed. [2022-07-12 03:04:09,367 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 03:04:09,367 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2022-07-12 03:04:09,368 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 153) no Hoare annotation was computed. [2022-07-12 03:04:09,368 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 47) no Hoare annotation was computed. [2022-07-12 03:04:09,368 INFO L899 garLoopResultBuilder]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2022-07-12 03:04:09,368 INFO L895 garLoopResultBuilder]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_~y#1| (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-12 03:04:09,368 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 113) no Hoare annotation was computed. [2022-07-12 03:04:09,368 INFO L895 garLoopResultBuilder]: At program point L162(lines 25 163) the Hoare annotation is: (exists ((|ULTIMATE.start_fmod_double_~x#1| (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven |ULTIMATE.start_fmod_double_~x#1| (_ +zero 11 53)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res#1|)) [2022-07-12 03:04:09,368 INFO L895 garLoopResultBuilder]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2022-07-12 03:04:09,368 INFO L899 garLoopResultBuilder]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:09,368 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 153) no Hoare annotation was computed. [2022-07-12 03:04:09,368 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2022-07-12 03:04:09,369 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2022-07-12 03:04:09,369 INFO L899 garLoopResultBuilder]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:09,369 INFO L899 garLoopResultBuilder]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:09,369 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 03:04:09,369 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2022-07-12 03:04:09,369 INFO L902 garLoopResultBuilder]: At program point L181(lines 165 182) the Hoare annotation is: true [2022-07-12 03:04:09,369 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2022-07-12 03:04:09,369 INFO L899 garLoopResultBuilder]: For program point L66(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:09,369 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2022-07-12 03:04:09,369 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2022-07-12 03:04:09,369 INFO L895 garLoopResultBuilder]: At program point L18(line 18) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res#1|) [2022-07-12 03:04:09,370 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 161) no Hoare annotation was computed. [2022-07-12 03:04:09,370 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 40) no Hoare annotation was computed. [2022-07-12 03:04:09,370 INFO L899 garLoopResultBuilder]: For program point L35-1(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:09,370 INFO L899 garLoopResultBuilder]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2022-07-12 03:04:09,373 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-07-12 03:04:09,374 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 03:04:09,389 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,390 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x#1,QUANTIFIED] [2022-07-12 03:04:09,390 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x#1,QUANTIFIED] [2022-07-12 03:04:09,391 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,391 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x#1,QUANTIFIED] [2022-07-12 03:04:09,391 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x#1,QUANTIFIED] [2022-07-12 03:04:09,394 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,394 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 03:04:09 BoogieIcfgContainer [2022-07-12 03:04:09,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 03:04:09,395 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 03:04:09,395 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 03:04:09,396 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 03:04:09,396 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:47" (3/4) ... [2022-07-12 03:04:09,398 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 03:04:09,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-07-12 03:04:09,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-07-12 03:04:09,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 03:04:09,408 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 03:04:09,426 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 03:04:09,426 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 03:04:09,427 INFO L158 Benchmark]: Toolchain (without parser) took 26174.19ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 48.5MB in the beginning and 61.9MB in the end (delta: -13.3MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2022-07-12 03:04:09,427 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 67.1MB. Free memory was 50.1MB in the beginning and 50.0MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:04:09,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.08ms. Allocated memory is still 67.1MB. Free memory was 48.2MB in the beginning and 48.7MB in the end (delta: -521.5kB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-07-12 03:04:09,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.16ms. Allocated memory is still 67.1MB. Free memory was 48.7MB in the beginning and 46.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:04:09,428 INFO L158 Benchmark]: Boogie Preprocessor took 54.11ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 44.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:04:09,428 INFO L158 Benchmark]: RCFGBuilder took 3642.92ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 44.3MB in the beginning and 61.1MB in the end (delta: -16.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-07-12 03:04:09,428 INFO L158 Benchmark]: TraceAbstraction took 22073.66ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 65.0MB in the end (delta: -4.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2022-07-12 03:04:09,429 INFO L158 Benchmark]: Witness Printer took 31.05ms. Allocated memory is still 83.9MB. Free memory was 64.4MB in the beginning and 61.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:04:09,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 67.1MB. Free memory was 50.1MB in the beginning and 50.0MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.08ms. Allocated memory is still 67.1MB. Free memory was 48.2MB in the beginning and 48.7MB in the end (delta: -521.5kB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.16ms. Allocated memory is still 67.1MB. Free memory was 48.7MB in the beginning and 46.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.11ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 44.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3642.92ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 44.3MB in the beginning and 61.1MB in the end (delta: -16.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 22073.66ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 65.0MB in the end (delta: -4.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Witness Printer took 31.05ms. Allocated memory is still 83.9MB. Free memory was 64.4MB in the beginning and 61.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 177]: 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 1 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 316 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 83 IncrementalHoareTripleChecker+Unchecked, 155 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 161 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 31 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 147 SizeOfPredicates, 16 NumberOfNonLiveVariables, 195 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 18]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2022-07-12 03:04:09,444 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,444 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,444 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x#1,QUANTIFIED] [2022-07-12 03:04:09,444 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,444 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x#1,QUANTIFIED] [2022-07-12 03:04:09,445 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,445 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x#1,QUANTIFIED] [2022-07-12 03:04:09,445 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x#1,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~x#1 : C_DOUBLE :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x#1, ~Pluszero~LONGDOUBLE()), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x#1, ~Pluszero~LONGDOUBLE())) == \result) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant [2022-07-12 03:04:09,446 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:09,446 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: y == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2022-07-12 03:04:09,667 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-07-12 03:04:09,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE