./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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/float_req_bl_0683a.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 c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 12:01:21,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 12:01:21,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 12:01:21,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 12:01:21,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 12:01:21,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 12:01:21,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 12:01:21,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 12:01:21,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 12:01:21,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 12:01:21,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 12:01:21,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 12:01:21,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 12:01:21,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 12:01:21,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 12:01:21,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 12:01:21,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 12:01:21,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 12:01:21,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 12:01:21,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 12:01:21,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 12:01:21,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 12:01:21,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 12:01:21,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 12:01:21,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 12:01:21,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 12:01:21,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 12:01:21,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 12:01:21,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 12:01:21,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 12:01:21,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 12:01:21,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 12:01:21,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 12:01:21,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 12:01:21,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 12:01:21,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 12:01:21,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 12:01:21,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 12:01:21,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 12:01:21,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 12:01:21,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 12:01:21,811 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 12:01:21,836 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 12:01:21,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 12:01:21,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 12:01:21,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 12:01:21,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 12:01:21,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 12:01:21,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 12:01:21,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 12:01:21,838 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 12:01:21,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 12:01:21,838 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 12:01:21,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 12:01:21,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 12:01:21,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 12:01:21,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 12:01:21,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 12:01:21,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 12:01:21,849 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 12:01:21,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 12:01:21,849 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 12:01:21,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 12:01:21,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 12:01:21,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 12:01:21,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 12:01:21,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:01:21,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 12:01:21,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 12:01:21,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 12:01:21,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 12:01:21,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 12:01:21,853 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 12:01:21,853 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 12:01:21,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 12:01:21,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 12:01:21,853 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 [2021-12-21 12:01:22,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 12:01:22,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 12:01:22,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 12:01:22,077 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 12:01:22,078 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 12:01:22,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2021-12-21 12:01:22,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/205122043/8a83b6a53e464ae1b70e5e9acad635d2/FLAG947b85ad1 [2021-12-21 12:01:22,570 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 12:01:22,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2021-12-21 12:01:22,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/205122043/8a83b6a53e464ae1b70e5e9acad635d2/FLAG947b85ad1 [2021-12-21 12:01:22,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/205122043/8a83b6a53e464ae1b70e5e9acad635d2 [2021-12-21 12:01:22,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 12:01:22,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 12:01:22,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 12:01:22,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 12:01:22,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 12:01:22,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:01:22" (1/1) ... [2021-12-21 12:01:22,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2c13f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:22, skipping insertion in model container [2021-12-21 12:01:22,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:01:22" (1/1) ... [2021-12-21 12:01:22,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 12:01:23,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 12:01:23,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2021-12-21 12:01:23,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:01:23,256 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 12:01:23,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2021-12-21 12:01:23,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:01:23,362 INFO L208 MainTranslator]: Completed translation [2021-12-21 12:01:23,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:23 WrapperNode [2021-12-21 12:01:23,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 12:01:23,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 12:01:23,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 12:01:23,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 12:01:23,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:23" (1/1) ... [2021-12-21 12:01:23,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:23" (1/1) ... [2021-12-21 12:01:23,442 INFO L137 Inliner]: procedures = 21, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 262 [2021-12-21 12:01:23,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 12:01:23,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 12:01:23,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 12:01:23,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 12:01:23,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:23" (1/1) ... [2021-12-21 12:01:23,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:23" (1/1) ... [2021-12-21 12:01:23,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:23" (1/1) ... [2021-12-21 12:01:23,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:23" (1/1) ... [2021-12-21 12:01:23,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:23" (1/1) ... [2021-12-21 12:01:23,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:23" (1/1) ... [2021-12-21 12:01:23,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:23" (1/1) ... [2021-12-21 12:01:23,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 12:01:23,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 12:01:23,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 12:01:23,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 12:01:23,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:23" (1/1) ... [2021-12-21 12:01:23,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:01:23,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:01:23,561 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) [2021-12-21 12:01:23,589 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 [2021-12-21 12:01:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 12:01:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 12:01:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 12:01:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-21 12:01:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 12:01:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-21 12:01:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-12-21 12:01:23,613 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-12-21 12:01:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 12:01:23,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 12:01:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 12:01:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-21 12:01:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-12-21 12:01:23,614 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-12-21 12:01:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 12:01:23,760 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 12:01:23,765 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 12:01:24,173 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 12:01:24,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 12:01:24,180 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-12-21 12:01:24,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:01:24 BoogieIcfgContainer [2021-12-21 12:01:24,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 12:01:24,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 12:01:24,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 12:01:24,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 12:01:24,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 12:01:22" (1/3) ... [2021-12-21 12:01:24,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451b1c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:01:24, skipping insertion in model container [2021-12-21 12:01:24,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:23" (2/3) ... [2021-12-21 12:01:24,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451b1c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:01:24, skipping insertion in model container [2021-12-21 12:01:24,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:01:24" (3/3) ... [2021-12-21 12:01:24,189 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683a.c [2021-12-21 12:01:24,195 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 12:01:24,195 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 12:01:24,257 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 12:01:24,280 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 12:01:24,280 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 12:01:24,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 93 states have (on average 1.6451612903225807) internal successors, (153), 94 states have internal predecessors, (153), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:01:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-21 12:01:24,321 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:01:24,322 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:01:24,323 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:01:24,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:01:24,343 INFO L85 PathProgramCache]: Analyzing trace with hash 430940660, now seen corresponding path program 1 times [2021-12-21 12:01:24,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:01:24,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489472156] [2021-12-21 12:01:24,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:01:24,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:01:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:01:24,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:01:24,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:01:24,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489472156] [2021-12-21 12:01:24,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489472156] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:01:24,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:01:24,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 12:01:24,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659331756] [2021-12-21 12:01:24,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:01:24,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 12:01:24,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:01:24,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 12:01:24,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 12:01:24,608 INFO L87 Difference]: Start difference. First operand has 101 states, 93 states have (on average 1.6451612903225807) internal successors, (153), 94 states have internal predecessors, (153), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2021-12-21 12:01:24,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:01:24,656 INFO L93 Difference]: Finished difference Result 200 states and 324 transitions. [2021-12-21 12:01:24,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 12:01:24,658 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 15 [2021-12-21 12:01:24,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:01:24,681 INFO L225 Difference]: With dead ends: 200 [2021-12-21 12:01:24,682 INFO L226 Difference]: Without dead ends: 97 [2021-12-21 12:01:24,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 12:01:24,690 INFO L933 BasicCegarLoop]: 142 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, 142 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 [2021-12-21 12:01:24,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:01:24,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-12-21 12:01:24,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-12-21 12:01:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 90 states have (on average 1.4333333333333333) internal successors, (129), 90 states have internal predecessors, (129), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:01:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2021-12-21 12:01:24,753 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 15 [2021-12-21 12:01:24,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:01:24,754 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2021-12-21 12:01:24,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2021-12-21 12:01:24,755 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2021-12-21 12:01:24,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-21 12:01:24,756 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:01:24,756 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:01:24,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 12:01:24,757 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:01:24,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:01:24,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1163254418, now seen corresponding path program 1 times [2021-12-21 12:01:24,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:01:24,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142038029] [2021-12-21 12:01:24,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:01:24,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:01:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 12:01:24,867 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 12:01:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 12:01:24,983 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 12:01:24,984 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 12:01:24,986 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 12:01:24,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 12:01:24,994 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-21 12:01:24,997 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 12:01:25,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 12:01:25 BoogieIcfgContainer [2021-12-21 12:01:25,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 12:01:25,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 12:01:25,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 12:01:25,063 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 12:01:25,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:01:24" (3/4) ... [2021-12-21 12:01:25,067 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 12:01:25,068 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 12:01:25,070 INFO L158 Benchmark]: Toolchain (without parser) took 2127.96ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 51.2MB in the beginning and 50.6MB in the end (delta: 592.3kB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-12-21 12:01:25,071 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory was 48.4MB in the beginning and 48.4MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:01:25,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.35ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 50.9MB in the beginning and 58.8MB in the end (delta: -7.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 12:01:25,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.92ms. Allocated memory is still 94.4MB. Free memory was 58.8MB in the beginning and 56.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:01:25,078 INFO L158 Benchmark]: Boogie Preprocessor took 74.68ms. Allocated memory is still 94.4MB. Free memory was 56.4MB in the beginning and 53.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 12:01:25,078 INFO L158 Benchmark]: RCFGBuilder took 661.07ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 57.5MB in the end (delta: -3.6MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-12-21 12:01:25,078 INFO L158 Benchmark]: TraceAbstraction took 878.56ms. Allocated memory is still 94.4MB. Free memory was 57.1MB in the beginning and 51.2MB in the end (delta: 5.9MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-12-21 12:01:25,079 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 50.6MB in the end (delta: 557.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:01:25,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory was 48.4MB in the beginning and 48.4MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.35ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 50.9MB in the beginning and 58.8MB in the end (delta: -7.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.92ms. Allocated memory is still 94.4MB. Free memory was 58.8MB in the beginning and 56.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.68ms. Allocated memory is still 94.4MB. Free memory was 56.4MB in the beginning and 53.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 661.07ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 57.5MB in the end (delta: -3.6MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * TraceAbstraction took 878.56ms. Allocated memory is still 94.4MB. Free memory was 57.1MB in the beginning and 51.2MB in the end (delta: 5.9MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 50.6MB in the end (delta: 557.7kB). Peak memory consumption was 2.1MB. 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: 257]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 256, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L249] float x = 1.0f / 0.0f; [L250] float y = __VERIFIER_nondet_float(); [L252] CALL, EXPR isfinite_float(y) [L231] __int32_t ix; VAL [\old(x)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, zero_atan2=0] [L233] ieee_float_shape_type gf_u; [L234] gf_u.value = (x) [L235] EXPR gf_u.word [L235] (ix) = gf_u.word [L237] ix &= 0x7fffffff [L238] return (((ix) < 0x7f800000L)); VAL [\old(x)=1000000000000000000000000000001, \result=1, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, ix=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, zero_atan2=0] [L252] RET, EXPR isfinite_float(y) [L252] COND TRUE isfinite_float(y) && y < 0.0f [L253] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000003, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000003, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000003, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000003, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=0, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L253] RET, EXPR __ieee754_atan2f(y, x) [L253] float res = __ieee754_atan2f(y, x); [L256] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000002, res == -0.0f && __signbit_float(res) == 1=0, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L256] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L257] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000002, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 142 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, 142 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=101occurred 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, 0.1s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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 [2021-12-21 12:01:25,124 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/float_req_bl_0683a.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 c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 12:01:27,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 12:01:27,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 12:01:27,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 12:01:27,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 12:01:27,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 12:01:27,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 12:01:27,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 12:01:27,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 12:01:27,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 12:01:27,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 12:01:27,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 12:01:27,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 12:01:27,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 12:01:27,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 12:01:27,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 12:01:27,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 12:01:27,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 12:01:27,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 12:01:27,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 12:01:27,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 12:01:27,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 12:01:27,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 12:01:27,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 12:01:27,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 12:01:27,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 12:01:27,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 12:01:27,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 12:01:27,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 12:01:27,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 12:01:27,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 12:01:27,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 12:01:27,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 12:01:27,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 12:01:27,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 12:01:27,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 12:01:27,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 12:01:27,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 12:01:27,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 12:01:27,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 12:01:27,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 12:01:27,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 12:01:27,379 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 12:01:27,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 12:01:27,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 12:01:27,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 12:01:27,383 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 12:01:27,383 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 12:01:27,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 12:01:27,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 12:01:27,385 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 12:01:27,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 12:01:27,386 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 12:01:27,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 12:01:27,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 12:01:27,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 12:01:27,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 12:01:27,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 12:01:27,387 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 12:01:27,388 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 12:01:27,388 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 12:01:27,388 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 12:01:27,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 12:01:27,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 12:01:27,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 12:01:27,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 12:01:27,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 12:01:27,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 12:01:27,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:01:27,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 12:01:27,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 12:01:27,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 12:01:27,398 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 12:01:27,398 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 12:01:27,399 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 12:01:27,399 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 12:01:27,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 12:01:27,399 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 12:01:27,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 12:01:27,400 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 [2021-12-21 12:01:27,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 12:01:27,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 12:01:27,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 12:01:27,767 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 12:01:27,767 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 12:01:27,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2021-12-21 12:01:27,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49ff4d9ca/419786729f71441db66925d8472cb221/FLAG416a77808 [2021-12-21 12:01:28,359 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 12:01:28,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2021-12-21 12:01:28,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49ff4d9ca/419786729f71441db66925d8472cb221/FLAG416a77808 [2021-12-21 12:01:28,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49ff4d9ca/419786729f71441db66925d8472cb221 [2021-12-21 12:01:28,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 12:01:28,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 12:01:28,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 12:01:28,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 12:01:28,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 12:01:28,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:01:28" (1/1) ... [2021-12-21 12:01:28,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f584a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:28, skipping insertion in model container [2021-12-21 12:01:28,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:01:28" (1/1) ... [2021-12-21 12:01:28,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 12:01:28,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 12:01:29,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2021-12-21 12:01:29,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:01:29,224 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 12:01:29,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2021-12-21 12:01:29,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:01:29,325 INFO L208 MainTranslator]: Completed translation [2021-12-21 12:01:29,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:29 WrapperNode [2021-12-21 12:01:29,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 12:01:29,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 12:01:29,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 12:01:29,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 12:01:29,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:29" (1/1) ... [2021-12-21 12:01:29,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:29" (1/1) ... [2021-12-21 12:01:29,398 INFO L137 Inliner]: procedures = 24, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 261 [2021-12-21 12:01:29,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 12:01:29,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 12:01:29,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 12:01:29,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 12:01:29,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:29" (1/1) ... [2021-12-21 12:01:29,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:29" (1/1) ... [2021-12-21 12:01:29,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:29" (1/1) ... [2021-12-21 12:01:29,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:29" (1/1) ... [2021-12-21 12:01:29,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:29" (1/1) ... [2021-12-21 12:01:29,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:29" (1/1) ... [2021-12-21 12:01:29,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:29" (1/1) ... [2021-12-21 12:01:29,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 12:01:29,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 12:01:29,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 12:01:29,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 12:01:29,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:29" (1/1) ... [2021-12-21 12:01:29,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:01:29,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:01:29,513 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) [2021-12-21 12:01:29,526 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 [2021-12-21 12:01:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 12:01:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-12-21 12:01:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 12:01:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 12:01:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-12-21 12:01:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-12-21 12:01:29,554 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-12-21 12:01:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-21 12:01:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 12:01:29,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 12:01:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-12-21 12:01:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-12-21 12:01:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-12-21 12:01:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-21 12:01:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 12:01:29,695 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 12:01:29,696 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 12:01:40,456 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 12:01:40,462 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 12:01:40,462 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-12-21 12:01:40,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:01:40 BoogieIcfgContainer [2021-12-21 12:01:40,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 12:01:40,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 12:01:40,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 12:01:40,468 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 12:01:40,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 12:01:28" (1/3) ... [2021-12-21 12:01:40,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ba0f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:01:40, skipping insertion in model container [2021-12-21 12:01:40,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:01:29" (2/3) ... [2021-12-21 12:01:40,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ba0f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:01:40, skipping insertion in model container [2021-12-21 12:01:40,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:01:40" (3/3) ... [2021-12-21 12:01:40,471 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683a.c [2021-12-21 12:01:40,476 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 12:01:40,476 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 12:01:40,516 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 12:01:40,525 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 12:01:40,525 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 12:01:40,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 93 states have (on average 1.6451612903225807) internal successors, (153), 94 states have internal predecessors, (153), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:01:40,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-21 12:01:40,550 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:01:40,550 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:01:40,551 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:01:40,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:01:40,560 INFO L85 PathProgramCache]: Analyzing trace with hash 430940660, now seen corresponding path program 1 times [2021-12-21 12:01:40,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:01:40,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [226570746] [2021-12-21 12:01:40,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:01:40,576 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:01:40,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:01:40,579 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) [2021-12-21 12:01:40,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-21 12:01:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:01:41,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-21 12:01:41,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:01:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:01:41,647 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:01:41,648 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:01:41,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [226570746] [2021-12-21 12:01:41,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [226570746] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:01:41,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:01:41,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 12:01:41,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601604992] [2021-12-21 12:01:41,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:01:41,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 12:01:41,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:01:41,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 12:01:41,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 12:01:41,688 INFO L87 Difference]: Start difference. First operand has 101 states, 93 states have (on average 1.6451612903225807) internal successors, (153), 94 states have internal predecessors, (153), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2021-12-21 12:01:41,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:01:41,733 INFO L93 Difference]: Finished difference Result 200 states and 324 transitions. [2021-12-21 12:01:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 12:01:41,735 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 15 [2021-12-21 12:01:41,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:01:41,742 INFO L225 Difference]: With dead ends: 200 [2021-12-21 12:01:41,742 INFO L226 Difference]: Without dead ends: 97 [2021-12-21 12:01:41,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 12:01:41,750 INFO L933 BasicCegarLoop]: 142 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, 142 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 [2021-12-21 12:01:41,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:01:41,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-12-21 12:01:41,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-12-21 12:01:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 90 states have (on average 1.4333333333333333) internal successors, (129), 90 states have internal predecessors, (129), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:01:41,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2021-12-21 12:01:41,802 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 15 [2021-12-21 12:01:41,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:01:41,802 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2021-12-21 12:01:41,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2021-12-21 12:01:41,804 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2021-12-21 12:01:41,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-21 12:01:41,805 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:01:41,805 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:01:41,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-21 12:01:42,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:01:42,020 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:01:42,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:01:42,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1163254418, now seen corresponding path program 1 times [2021-12-21 12:01:42,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:01:42,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168273105] [2021-12-21 12:01:42,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:01:42,021 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:01:42,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:01:42,023 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) [2021-12-21 12:01:42,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-21 12:01:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:01:42,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-21 12:01:42,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:01:43,401 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-21 12:01:44,064 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-12-21 12:01:45,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:01:45,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:01:45,935 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:01:45,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168273105] [2021-12-21 12:01:45,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168273105] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:01:45,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:01:45,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 12:01:45,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747967814] [2021-12-21 12:01:45,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:01:45,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 12:01:45,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:01:45,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 12:01:45,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-21 12:01:45,938 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-12-21 12:01:45,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:01:45,958 INFO L93 Difference]: Finished difference Result 106 states and 146 transitions. [2021-12-21 12:01:45,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 12:01:45,958 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 18 [2021-12-21 12:01:45,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:01:45,960 INFO L225 Difference]: With dead ends: 106 [2021-12-21 12:01:45,960 INFO L226 Difference]: Without dead ends: 97 [2021-12-21 12:01:45,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-21 12:01:45,962 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 62 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:01:45,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 847 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 62 Unchecked, 0.0s Time] [2021-12-21 12:01:45,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-12-21 12:01:45,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-12-21 12:01:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 90 states have (on average 1.4222222222222223) internal successors, (128), 90 states have internal predecessors, (128), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:01:45,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 136 transitions. [2021-12-21 12:01:45,971 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 136 transitions. Word has length 18 [2021-12-21 12:01:45,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:01:45,971 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 136 transitions. [2021-12-21 12:01:45,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-12-21 12:01:45,972 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2021-12-21 12:01:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-21 12:01:45,973 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:01:45,973 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:01:46,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-21 12:01:46,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:01:46,188 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:01:46,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:01:46,189 INFO L85 PathProgramCache]: Analyzing trace with hash 2013957526, now seen corresponding path program 1 times [2021-12-21 12:01:46,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:01:46,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052356816] [2021-12-21 12:01:46,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:01:46,204 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:01:46,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:01:46,208 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) [2021-12-21 12:01:46,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-21 12:01:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:01:47,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 12:01:47,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:01:48,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:01:48,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:01:48,146 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:01:48,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052356816] [2021-12-21 12:01:48,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052356816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:01:48,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:01:48,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 12:01:48,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345320341] [2021-12-21 12:01:48,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:01:48,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 12:01:48,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:01:48,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 12:01:48,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 12:01:48,149 INFO L87 Difference]: Start difference. First operand 97 states and 136 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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) [2021-12-21 12:01:48,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:01:48,167 INFO L93 Difference]: Finished difference Result 115 states and 154 transitions. [2021-12-21 12:01:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 12:01:48,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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 23 [2021-12-21 12:01:48,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:01:48,169 INFO L225 Difference]: With dead ends: 115 [2021-12-21 12:01:48,169 INFO L226 Difference]: Without dead ends: 104 [2021-12-21 12:01:48,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 12:01:48,170 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 22 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:01:48,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 603 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 12 Unchecked, 0.0s Time] [2021-12-21 12:01:48,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-12-21 12:01:48,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2021-12-21 12:01:48,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 88 states have (on average 1.4090909090909092) internal successors, (124), 88 states have internal predecessors, (124), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:01:48,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 132 transitions. [2021-12-21 12:01:48,180 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 132 transitions. Word has length 23 [2021-12-21 12:01:48,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:01:48,180 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 132 transitions. [2021-12-21 12:01:48,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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) [2021-12-21 12:01:48,181 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2021-12-21 12:01:48,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-21 12:01:48,181 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:01:48,182 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:01:48,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-21 12:01:48,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:01:48,388 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:01:48,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:01:48,388 INFO L85 PathProgramCache]: Analyzing trace with hash 688473172, now seen corresponding path program 1 times [2021-12-21 12:01:48,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:01:48,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40603760] [2021-12-21 12:01:48,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:01:48,389 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:01:48,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:01:48,390 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 12:01:48,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-21 12:01:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:01:49,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 12:01:49,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:01:52,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:01:52,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:01:52,534 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:01:52,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40603760] [2021-12-21 12:01:52,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40603760] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:01:52,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:01:52,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 12:01:52,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414895866] [2021-12-21 12:01:52,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:01:52,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 12:01:52,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:01:52,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 12:01:52,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-21 12:01:52,535 INFO L87 Difference]: Start difference. First operand 95 states and 132 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-12-21 12:01:52,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:01:52,981 INFO L93 Difference]: Finished difference Result 175 states and 242 transitions. [2021-12-21 12:01:52,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 12:01:52,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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 23 [2021-12-21 12:01:52,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:01:52,992 INFO L225 Difference]: With dead ends: 175 [2021-12-21 12:01:52,992 INFO L226 Difference]: Without dead ends: 98 [2021-12-21 12:01:52,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2021-12-21 12:01:52,993 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 15 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 12:01:52,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 476 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 9 Unchecked, 0.2s Time] [2021-12-21 12:01:52,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-12-21 12:01:53,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 89. [2021-12-21 12:01:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 82 states have internal predecessors, (113), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:01:53,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 121 transitions. [2021-12-21 12:01:53,014 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 121 transitions. Word has length 23 [2021-12-21 12:01:53,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:01:53,014 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 121 transitions. [2021-12-21 12:01:53,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-12-21 12:01:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2021-12-21 12:01:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-21 12:01:53,019 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:01:53,020 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:01:53,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-21 12:01:53,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:01:53,240 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:01:53,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:01:53,240 INFO L85 PathProgramCache]: Analyzing trace with hash 321927763, now seen corresponding path program 1 times [2021-12-21 12:01:53,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:01:53,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99615159] [2021-12-21 12:01:53,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:01:53,241 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:01:53,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:01:53,261 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 12:01:53,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-21 12:01:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:01:54,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-21 12:01:54,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:02:00,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:02:00,203 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:02:00,204 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:02:00,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [99615159] [2021-12-21 12:02:00,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [99615159] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:02:00,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:02:00,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 12:02:00,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581347572] [2021-12-21 12:02:00,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:02:00,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 12:02:00,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:02:00,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 12:02:00,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=56, Unknown=1, NotChecked=0, Total=72 [2021-12-21 12:02:00,205 INFO L87 Difference]: Start difference. First operand 89 states and 121 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 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) [2021-12-21 12:02:01,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:02:01,343 INFO L93 Difference]: Finished difference Result 157 states and 210 transitions. [2021-12-21 12:02:01,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 12:02:01,344 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 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 24 [2021-12-21 12:02:01,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:02:01,345 INFO L225 Difference]: With dead ends: 157 [2021-12-21 12:02:01,345 INFO L226 Difference]: Without dead ends: 94 [2021-12-21 12:02:01,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=23, Invalid=86, Unknown=1, NotChecked=0, Total=110 [2021-12-21 12:02:01,346 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 14 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 12:02:01,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 843 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 23 Unchecked, 0.1s Time] [2021-12-21 12:02:01,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-12-21 12:02:01,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 84. [2021-12-21 12:02:01,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 77 states have internal predecessors, (103), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:02:01,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 111 transitions. [2021-12-21 12:02:01,357 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 111 transitions. Word has length 24 [2021-12-21 12:02:01,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:02:01,357 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 111 transitions. [2021-12-21 12:02:01,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 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) [2021-12-21 12:02:01,358 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 111 transitions. [2021-12-21 12:02:01,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-21 12:02:01,358 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:02:01,359 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:02:01,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-21 12:02:01,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:02:01,564 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:02:01,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:02:01,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1031191891, now seen corresponding path program 1 times [2021-12-21 12:02:01,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:02:01,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455837175] [2021-12-21 12:02:01,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:02:01,565 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:02:01,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:02:01,566 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 12:02:01,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-21 12:02:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:02:02,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-21 12:02:02,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:02:03,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:02:03,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:02:03,216 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:02:03,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455837175] [2021-12-21 12:02:03,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455837175] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:02:03,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:02:03,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 12:02:03,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426326053] [2021-12-21 12:02:03,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:02:03,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 12:02:03,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:02:03,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 12:02:03,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 12:02:03,218 INFO L87 Difference]: Start difference. First operand 84 states and 111 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-12-21 12:02:03,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:02:03,674 INFO L93 Difference]: Finished difference Result 108 states and 140 transitions. [2021-12-21 12:02:03,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 12:02:03,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 24 [2021-12-21 12:02:03,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:02:03,676 INFO L225 Difference]: With dead ends: 108 [2021-12-21 12:02:03,677 INFO L226 Difference]: Without dead ends: 99 [2021-12-21 12:02:03,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-21 12:02:03,678 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 55 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 12:02:03,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 499 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 15 Unchecked, 0.3s Time] [2021-12-21 12:02:03,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-12-21 12:02:03,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 84. [2021-12-21 12:02:03,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 77 states have (on average 1.3246753246753247) internal successors, (102), 77 states have internal predecessors, (102), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:02:03,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 110 transitions. [2021-12-21 12:02:03,691 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 110 transitions. Word has length 24 [2021-12-21 12:02:03,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:02:03,691 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 110 transitions. [2021-12-21 12:02:03,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-12-21 12:02:03,696 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 110 transitions. [2021-12-21 12:02:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-21 12:02:03,697 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:02:03,697 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:02:03,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-21 12:02:03,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:02:03,904 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:02:03,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:02:03,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1872948985, now seen corresponding path program 1 times [2021-12-21 12:02:03,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:02:03,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824013353] [2021-12-21 12:02:03,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:02:03,905 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:02:03,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:02:03,906 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 12:02:03,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-21 12:02:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:02:04,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-21 12:02:04,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:02:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:02:05,446 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:02:05,447 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:02:05,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824013353] [2021-12-21 12:02:05,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824013353] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:02:05,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:02:05,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 12:02:05,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483487255] [2021-12-21 12:02:05,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:02:05,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 12:02:05,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:02:05,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 12:02:05,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:02:05,448 INFO L87 Difference]: Start difference. First operand 84 states and 110 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-12-21 12:02:05,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:02:05,471 INFO L93 Difference]: Finished difference Result 96 states and 121 transitions. [2021-12-21 12:02:05,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 12:02:05,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 25 [2021-12-21 12:02:05,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:02:05,473 INFO L225 Difference]: With dead ends: 96 [2021-12-21 12:02:05,473 INFO L226 Difference]: Without dead ends: 93 [2021-12-21 12:02:05,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:02:05,474 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 93 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:02:05,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 325 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 20 Unchecked, 0.0s Time] [2021-12-21 12:02:05,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-12-21 12:02:05,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 86. [2021-12-21 12:02:05,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 79 states have (on average 1.3164556962025316) internal successors, (104), 79 states have internal predecessors, (104), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:02:05,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 112 transitions. [2021-12-21 12:02:05,481 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 112 transitions. Word has length 25 [2021-12-21 12:02:05,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:02:05,482 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 112 transitions. [2021-12-21 12:02:05,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-12-21 12:02:05,482 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 112 transitions. [2021-12-21 12:02:05,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-21 12:02:05,483 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:02:05,483 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:02:05,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-21 12:02:05,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:02:05,686 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:02:05,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:02:05,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1223545469, now seen corresponding path program 1 times [2021-12-21 12:02:05,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:02:05,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752787806] [2021-12-21 12:02:05,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:02:05,688 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:02:05,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:02:05,689 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 12:02:05,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-21 12:02:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:02:06,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 12:02:06,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:02:07,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:02:07,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:02:07,651 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:02:07,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752787806] [2021-12-21 12:02:07,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752787806] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:02:07,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:02:07,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 12:02:07,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041133161] [2021-12-21 12:02:07,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:02:07,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 12:02:07,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:02:07,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 12:02:07,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 12:02:07,652 INFO L87 Difference]: Start difference. First operand 86 states and 112 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-12-21 12:02:07,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:02:07,666 INFO L93 Difference]: Finished difference Result 153 states and 199 transitions. [2021-12-21 12:02:07,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 12:02:07,666 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 25 [2021-12-21 12:02:07,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:02:07,667 INFO L225 Difference]: With dead ends: 153 [2021-12-21 12:02:07,667 INFO L226 Difference]: Without dead ends: 95 [2021-12-21 12:02:07,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 12:02:07,669 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 11 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:02:07,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 532 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 11 Unchecked, 0.0s Time] [2021-12-21 12:02:07,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-12-21 12:02:07,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 86. [2021-12-21 12:02:07,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 79 states have internal predecessors, (103), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 12:02:07,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2021-12-21 12:02:07,676 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 25 [2021-12-21 12:02:07,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:02:07,676 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2021-12-21 12:02:07,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-12-21 12:02:07,676 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2021-12-21 12:02:07,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-21 12:02:07,677 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:02:07,677 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:02:07,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-21 12:02:07,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:02:07,888 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:02:07,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:02:07,888 INFO L85 PathProgramCache]: Analyzing trace with hash -2092734568, now seen corresponding path program 1 times [2021-12-21 12:02:07,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:02:07,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1436263530] [2021-12-21 12:02:07,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:02:07,889 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:02:07,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:02:07,890 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 12:02:07,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-21 12:02:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:02:08,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-21 12:02:08,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:02:10,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:02:10,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:02:10,360 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:02:10,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1436263530] [2021-12-21 12:02:10,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1436263530] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:02:10,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:02:10,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 12:02:10,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812121291] [2021-12-21 12:02:10,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:02:10,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 12:02:10,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:02:10,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 12:02:10,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-21 12:02:10,361 INFO L87 Difference]: Start difference. First operand 86 states and 111 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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) [2021-12-21 12:02:10,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:02:10,380 INFO L93 Difference]: Finished difference Result 132 states and 166 transitions. [2021-12-21 12:02:10,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 12:02:10,381 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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 26 [2021-12-21 12:02:10,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:02:10,382 INFO L225 Difference]: With dead ends: 132 [2021-12-21 12:02:10,382 INFO L226 Difference]: Without dead ends: 71 [2021-12-21 12:02:10,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-21 12:02:10,383 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 9 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:02:10,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 461 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 11 Unchecked, 0.0s Time] [2021-12-21 12:02:10,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-12-21 12:02:10,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 64. [2021-12-21 12:02:10,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 59 states have internal predecessors, (72), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 12:02:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 76 transitions. [2021-12-21 12:02:10,392 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 76 transitions. Word has length 26 [2021-12-21 12:02:10,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:02:10,393 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 76 transitions. [2021-12-21 12:02:10,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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) [2021-12-21 12:02:10,394 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2021-12-21 12:02:10,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-21 12:02:10,394 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:02:10,394 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:02:10,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-21 12:02:10,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:02:10,612 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:02:10,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:02:10,612 INFO L85 PathProgramCache]: Analyzing trace with hash 974891071, now seen corresponding path program 1 times [2021-12-21 12:02:10,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:02:10,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961827994] [2021-12-21 12:02:10,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:02:10,613 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:02:10,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:02:10,614 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 12:02:10,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-21 12:02:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:02:11,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-21 12:02:11,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:02:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:02:12,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:02:12,074 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:02:12,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961827994] [2021-12-21 12:02:12,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961827994] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:02:12,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:02:12,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 12:02:12,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699345513] [2021-12-21 12:02:12,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:02:12,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 12:02:12,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:02:12,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 12:02:12,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:02:12,076 INFO L87 Difference]: Start difference. First operand 64 states and 76 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 12:02:12,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:02:12,078 INFO L93 Difference]: Finished difference Result 71 states and 82 transitions. [2021-12-21 12:02:12,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 12:02:12,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-12-21 12:02:12,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:02:12,078 INFO L225 Difference]: With dead ends: 71 [2021-12-21 12:02:12,079 INFO L226 Difference]: Without dead ends: 30 [2021-12-21 12:02:12,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:02:12,079 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:02:12,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2021-12-21 12:02:12,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-12-21 12:02:12,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-12-21 12:02:12,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.0) internal successors, (29), 29 states have internal predecessors, (29), 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) [2021-12-21 12:02:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 29 transitions. [2021-12-21 12:02:12,082 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 29 transitions. Word has length 29 [2021-12-21 12:02:12,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:02:12,083 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 29 transitions. [2021-12-21 12:02:12,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 12:02:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2021-12-21 12:02:12,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-21 12:02:12,083 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:02:12,083 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:02:12,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-12-21 12:02:12,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:02:12,284 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:02:12,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:02:12,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1436513358, now seen corresponding path program 1 times [2021-12-21 12:02:12,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 12:02:12,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952553358] [2021-12-21 12:02:12,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:02:12,285 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 12:02:12,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 12:02:12,286 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 12:02:12,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-21 12:02:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:02:13,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-21 12:02:13,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:02:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:02:14,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:02:14,605 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 12:02:14,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952553358] [2021-12-21 12:02:14,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952553358] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:02:14,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:02:14,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 12:02:14,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760758115] [2021-12-21 12:02:14,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:02:14,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 12:02:14,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 12:02:14,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 12:02:14,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-21 12:02:14,606 INFO L87 Difference]: Start difference. First operand 30 states and 29 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 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) [2021-12-21 12:02:14,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:02:14,748 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2021-12-21 12:02:14,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 12:02:14,749 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 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 29 [2021-12-21 12:02:14,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:02:14,749 INFO L225 Difference]: With dead ends: 30 [2021-12-21 12:02:14,749 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 12:02:14,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-21 12:02:14,750 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:02:14,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 144 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 13 Unchecked, 0.0s Time] [2021-12-21 12:02:14,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 12:02:14,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 12:02:14,750 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) [2021-12-21 12:02:14,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 12:02:14,751 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2021-12-21 12:02:14,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:02:14,751 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 12:02:14,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 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) [2021-12-21 12:02:14,751 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 12:02:14,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 12:02:14,753 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 12:02:14,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-12-21 12:02:14,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 12:02:14,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 12:02:17,433 INFO L858 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2021-12-21 12:02:17,434 INFO L858 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2021-12-21 12:02:17,434 INFO L861 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2021-12-21 12:02:17,434 INFO L858 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2021-12-21 12:02:17,434 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2021-12-21 12:02:17,434 INFO L858 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2021-12-21 12:02:17,434 INFO L858 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-12-21 12:02:17,434 INFO L861 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2021-12-21 12:02:17,434 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-21 12:02:17,434 INFO L858 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2021-12-21 12:02:17,434 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 12:02:17,434 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-12-21 12:02:17,434 INFO L858 garLoopResultBuilder]: For program point L252(lines 252 260) no Hoare annotation was computed. [2021-12-21 12:02:17,434 INFO L858 garLoopResultBuilder]: For program point L252-2(lines 252 260) no Hoare annotation was computed. [2021-12-21 12:02:17,435 INFO L854 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (and |ULTIMATE.start___ieee754_atan2f_#t~switch32#1| (exists ((currentRoundingMode RoundingMode)) (= (fp.neg ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___ieee754_atan2f_#res#1|))) [2021-12-21 12:02:17,435 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-12-21 12:02:17,435 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2021-12-21 12:02:17,435 INFO L858 garLoopResultBuilder]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2021-12-21 12:02:17,435 INFO L858 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2021-12-21 12:02:17,435 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2021-12-21 12:02:17,435 INFO L858 garLoopResultBuilder]: For program point L220-1(lines 220 224) no Hoare annotation was computed. [2021-12-21 12:02:17,435 INFO L854 garLoopResultBuilder]: At program point L220-2(lines 220 224) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.neg ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___signbit_float_~x#1|)) (or (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) |ULTIMATE.start_main_#t~short45#1|)) [2021-12-21 12:02:17,435 INFO L858 garLoopResultBuilder]: For program point L220-3(lines 220 224) no Hoare annotation was computed. [2021-12-21 12:02:17,435 INFO L858 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-12-21 12:02:17,435 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2021-12-21 12:02:17,435 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-21 12:02:17,435 INFO L858 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2021-12-21 12:02:17,435 INFO L854 garLoopResultBuilder]: At program point L238(lines 230 239) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~y~0#1|) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|)) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~3#1_6| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|)) |ULTIMATE.start_main_~y~0#1|) (let ((.cse0 (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) (_ bv2139095040 32)))) (or (and (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv1 32)) .cse0) (and (not .cse0) (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv0 32)))))))) [2021-12-21 12:02:17,436 INFO L854 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: false [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point L256(line 256) no Hoare annotation was computed. [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point L256-2(lines 256 259) no Hoare annotation was computed. [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-12-21 12:02:17,436 INFO L854 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~3#1_6| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|)) |ULTIMATE.start___ieee754_atan2f_~y#1|) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) (_ bv2139095040 32)))) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~x#1|)) (fp.lt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24))) [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point L257(line 257) no Hoare annotation was computed. [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-21 12:02:17,436 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L854 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: false [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L854 garLoopResultBuilder]: At program point L192-1(line 192) the Hoare annotation is: false [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point L192-2(line 192) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L854 garLoopResultBuilder]: At program point L226(lines 217 227) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_float_#res#1| (_ bv1 32)) (or (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) |ULTIMATE.start_main_#t~short45#1|)) [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-12-21 12:02:17,437 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-21 12:02:17,438 INFO L861 garLoopResultBuilder]: At program point L262(lines 241 263) the Hoare annotation is: true [2021-12-21 12:02:17,438 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-21 12:02:17,438 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-12-21 12:02:17,438 INFO L854 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~3#1_6| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|)) |ULTIMATE.start___ieee754_atan2f_~y#1|) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) (_ bv2139095040 32)))) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse0) |ULTIMATE.start___ieee754_atan2f_~ix~2#1|) (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (fp.lt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24))) [2021-12-21 12:02:17,438 INFO L858 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2021-12-21 12:02:17,438 INFO L858 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-12-21 12:02:17,438 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-21 12:02:17,438 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 12:02:17,438 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2021-12-21 12:02:17,438 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2021-12-21 12:02:17,438 INFO L854 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2021-12-21 12:02:17,438 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-21 12:02:17,438 INFO L858 garLoopResultBuilder]: For program point L232-1(lines 232 236) no Hoare annotation was computed. [2021-12-21 12:02:17,438 INFO L854 garLoopResultBuilder]: At program point L232-2(lines 232 236) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~y~0#1|) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|))) [2021-12-21 12:02:17,438 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-21 12:02:17,439 INFO L858 garLoopResultBuilder]: For program point L232-3(lines 232 236) no Hoare annotation was computed. [2021-12-21 12:02:17,439 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2021-12-21 12:02:17,439 INFO L861 garLoopResultBuilder]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2021-12-21 12:02:17,439 INFO L858 garLoopResultBuilder]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2021-12-21 12:02:17,439 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2021-12-21 12:02:17,439 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-12-21 12:02:17,439 INFO L861 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: true [2021-12-21 12:02:17,439 INFO L858 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-12-21 12:02:17,439 INFO L861 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2021-12-21 12:02:17,439 INFO L858 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-12-21 12:02:17,439 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2021-12-21 12:02:17,439 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2021-12-21 12:02:17,439 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2021-12-21 12:02:17,439 INFO L858 garLoopResultBuilder]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2021-12-21 12:02:17,439 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2021-12-21 12:02:17,439 INFO L858 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2021-12-21 12:02:17,439 INFO L858 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2021-12-21 12:02:17,440 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-21 12:02:17,440 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2021-12-21 12:02:17,440 INFO L858 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2021-12-21 12:02:17,440 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2021-12-21 12:02:17,440 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2021-12-21 12:02:17,440 INFO L858 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2021-12-21 12:02:17,443 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:02:17,444 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 12:02:17,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,488 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,500 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 12:02:17 BoogieIcfgContainer [2021-12-21 12:02:17,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 12:02:17,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 12:02:17,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 12:02:17,503 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 12:02:17,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:01:40" (3/4) ... [2021-12-21 12:02:17,506 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 12:02:17,511 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2021-12-21 12:02:17,511 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2021-12-21 12:02:17,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2021-12-21 12:02:17,524 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-12-21 12:02:17,524 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-21 12:02:17,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 12:02:17,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == y && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) [2021-12-21 12:02:17,544 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == y && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ((\result == 1bv32 && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) || (!~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32) && \result == 0bv32))) [2021-12-21 12:02:17,545 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) [2021-12-21 12:02:17,545 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) [2021-12-21 12:02:17,545 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: aux-switch (m) { case 0: return zero_atan2; case 1: return -zero_atan2; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) [2021-12-21 12:02:17,548 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) && ((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2) || aux-res == -0.0f && __signbit_float(res) == 1-aux) [2021-12-21 12:02:17,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 1bv32 && ((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2) || aux-res == -0.0f && __signbit_float(res) == 1-aux) [2021-12-21 12:02:17,600 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 12:02:17,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 12:02:17,601 INFO L158 Benchmark]: Toolchain (without parser) took 48752.28ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.9MB in the beginning and 23.2MB in the end (delta: 5.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-12-21 12:02:17,601 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 52.4MB. Free memory was 34.5MB in the beginning and 34.5MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:02:17,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.54ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.6MB in the beginning and 40.0MB in the end (delta: -11.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-12-21 12:02:17,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.99ms. Allocated memory is still 62.9MB. Free memory was 40.0MB in the beginning and 37.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:02:17,603 INFO L158 Benchmark]: Boogie Preprocessor took 70.79ms. Allocated memory is still 62.9MB. Free memory was 37.4MB in the beginning and 34.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 12:02:17,604 INFO L158 Benchmark]: RCFGBuilder took 10992.26ms. Allocated memory is still 62.9MB. Free memory was 34.5MB in the beginning and 38.4MB in the end (delta: -3.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-12-21 12:02:17,604 INFO L158 Benchmark]: TraceAbstraction took 37036.71ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 31.7MB in the end (delta: 6.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2021-12-21 12:02:17,604 INFO L158 Benchmark]: Witness Printer took 97.89ms. Allocated memory is still 62.9MB. Free memory was 31.7MB in the beginning and 23.2MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 12:02:17,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 52.4MB. Free memory was 34.5MB in the beginning and 34.5MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.54ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.6MB in the beginning and 40.0MB in the end (delta: -11.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.99ms. Allocated memory is still 62.9MB. Free memory was 40.0MB in the beginning and 37.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.79ms. Allocated memory is still 62.9MB. Free memory was 37.4MB in the beginning and 34.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 10992.26ms. Allocated memory is still 62.9MB. Free memory was 34.5MB in the beginning and 38.4MB in the end (delta: -3.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * TraceAbstraction took 37036.71ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 31.7MB in the end (delta: 6.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Witness Printer took 97.89ms. Allocated memory is still 62.9MB. Free memory was 31.7MB in the beginning and 23.2MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * 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: 257]: 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 3 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.9s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 224 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 220 mSDsluCounter, 4962 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 180 IncrementalHoareTripleChecker+Unchecked, 3877 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1085 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 13.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 66 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 55 PreInvPairs, 63 NumberOfFragments, 229 HoareAnnotationTreeSize, 55 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 166 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 8.0s SatisfiabilityAnalysisTime, 20.7s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 250 ConstructedInterpolants, 141 QuantifiedInterpolants, 2321 SizeOfPredicates, 78 NumberOfNonLiveVariables, 1551 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant [2021-12-21 12:02:17,633 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] Derived loop invariant: ((x == y && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ((\result == 1bv32 && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) || (!~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32) && \result == 0bv32))) - InvariantResult [Line: 217]: Loop Invariant [2021-12-21 12:02:17,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: \result == 1bv32 && ((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2) || aux-res == -0.0f && __signbit_float(res) == 1-aux) - InvariantResult [Line: 124]: Loop Invariant [2021-12-21 12:02:17,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 120]: Loop Invariant [2021-12-21 12:02:17,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: aux-switch (m) { case 0: return zero_atan2; case 1: return -zero_atan2; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) - InvariantResult [Line: 232]: Loop Invariant [2021-12-21 12:02:17,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (x == y && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant [2021-12-21 12:02:17,641 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,641 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,641 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-21 12:02:17,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-21 12:02:17,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 220]: Loop Invariant [2021-12-21 12:02:17,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-21 12:02:17,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) && ((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2) || aux-res == -0.0f && __signbit_float(res) == 1-aux) RESULT: Ultimate proved your program to be correct! [2021-12-21 12:02:17,768 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 Writing output log to file Ultimate.log Result: TRUE