./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1131b.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 d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 14:25:07,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 14:25:07,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 14:25:07,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 14:25:07,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 14:25:07,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 14:25:07,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 14:25:07,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 14:25:07,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 14:25:07,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 14:25:07,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 14:25:07,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 14:25:07,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 14:25:07,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 14:25:07,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 14:25:07,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 14:25:07,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 14:25:07,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 14:25:07,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 14:25:07,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 14:25:07,934 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 14:25:07,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 14:25:07,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 14:25:07,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 14:25:07,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 14:25:07,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 14:25:07,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 14:25:07,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 14:25:07,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 14:25:07,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 14:25:07,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 14:25:07,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 14:25:07,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 14:25:07,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 14:25:07,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 14:25:07,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 14:25:07,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 14:25:07,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 14:25:07,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 14:25:07,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 14:25:07,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 14:25:07,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 14:25:07,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 14:25:07,989 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 14:25:07,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 14:25:07,990 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 14:25:07,990 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 14:25:07,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 14:25:07,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 14:25:07,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 14:25:07,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 14:25:07,992 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 14:25:07,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 14:25:07,993 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 14:25:07,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 14:25:07,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 14:25:07,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 14:25:07,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 14:25:07,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 14:25:07,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 14:25:07,995 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 14:25:07,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 14:25:07,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 14:25:07,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 14:25:07,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 14:25:07,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 14:25:07,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 14:25:07,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:25:07,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 14:25:07,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 14:25:07,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 14:25:07,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 14:25:07,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 14:25:07,999 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 14:25:07,999 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 14:25:07,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 14:25:07,999 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac [2022-07-22 14:25:08,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 14:25:08,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 14:25:08,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 14:25:08,283 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 14:25:08,284 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 14:25:08,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2022-07-22 14:25:08,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c2e3b36/8c22e7bddf334430a9880f44ebb52d66/FLAG2b107f6cf [2022-07-22 14:25:08,780 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 14:25:08,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2022-07-22 14:25:08,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c2e3b36/8c22e7bddf334430a9880f44ebb52d66/FLAG2b107f6cf [2022-07-22 14:25:08,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c2e3b36/8c22e7bddf334430a9880f44ebb52d66 [2022-07-22 14:25:08,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 14:25:08,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 14:25:08,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 14:25:08,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 14:25:08,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 14:25:08,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:25:08" (1/1) ... [2022-07-22 14:25:08,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e03501b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:08, skipping insertion in model container [2022-07-22 14:25:08,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:25:08" (1/1) ... [2022-07-22 14:25:08,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 14:25:08,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 14:25:09,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2022-07-22 14:25:09,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:25:09,054 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 14:25:09,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2022-07-22 14:25:09,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:25:09,118 INFO L208 MainTranslator]: Completed translation [2022-07-22 14:25:09,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:09 WrapperNode [2022-07-22 14:25:09,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 14:25:09,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 14:25:09,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 14:25:09,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 14:25:09,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:09" (1/1) ... [2022-07-22 14:25:09,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:09" (1/1) ... [2022-07-22 14:25:09,202 INFO L137 Inliner]: procedures = 18, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 319 [2022-07-22 14:25:09,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 14:25:09,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 14:25:09,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 14:25:09,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 14:25:09,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:09" (1/1) ... [2022-07-22 14:25:09,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:09" (1/1) ... [2022-07-22 14:25:09,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:09" (1/1) ... [2022-07-22 14:25:09,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:09" (1/1) ... [2022-07-22 14:25:09,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:09" (1/1) ... [2022-07-22 14:25:09,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:09" (1/1) ... [2022-07-22 14:25:09,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:09" (1/1) ... [2022-07-22 14:25:09,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 14:25:09,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 14:25:09,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 14:25:09,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 14:25:09,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:09" (1/1) ... [2022-07-22 14:25:09,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:25:09,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:25:09,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 14:25:09,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 14:25:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 14:25:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 14:25:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 14:25:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 14:25:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-22 14:25:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-22 14:25:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 14:25:09,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 14:25:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 14:25:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-22 14:25:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 14:25:09,439 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 14:25:09,441 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 14:25:10,077 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 14:25:10,084 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 14:25:10,084 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-22 14:25:10,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:25:10 BoogieIcfgContainer [2022-07-22 14:25:10,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 14:25:10,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 14:25:10,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 14:25:10,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 14:25:10,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:25:08" (1/3) ... [2022-07-22 14:25:10,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c7a2aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:25:10, skipping insertion in model container [2022-07-22 14:25:10,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:09" (2/3) ... [2022-07-22 14:25:10,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c7a2aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:25:10, skipping insertion in model container [2022-07-22 14:25:10,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:25:10" (3/3) ... [2022-07-22 14:25:10,100 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2022-07-22 14:25:10,121 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 14:25:10,122 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 14:25:10,170 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 14:25:10,177 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@510c5ad0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2dde1daa [2022-07-22 14:25:10,177 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 14:25:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 90 states have (on average 1.8222222222222222) internal successors, (164), 91 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:10,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-22 14:25:10,191 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:25:10,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:25:10,193 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:25:10,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:25:10,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1228354396, now seen corresponding path program 1 times [2022-07-22 14:25:10,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:25:10,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833206725] [2022-07-22 14:25:10,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:25:10,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:25:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:25:10,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:25:10,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:25:10,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833206725] [2022-07-22 14:25:10,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833206725] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:25:10,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:25:10,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 14:25:10,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276692119] [2022-07-22 14:25:10,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:25:10,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 14:25:10,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 14:25:10,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 14:25:10,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:25:10,378 INFO L87 Difference]: Start difference. First operand has 92 states, 90 states have (on average 1.8222222222222222) internal successors, (164), 91 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:10,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:25:10,420 INFO L93 Difference]: Finished difference Result 182 states and 326 transitions. [2022-07-22 14:25:10,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 14:25:10,423 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-07-22 14:25:10,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:25:10,433 INFO L225 Difference]: With dead ends: 182 [2022-07-22 14:25:10,433 INFO L226 Difference]: Without dead ends: 88 [2022-07-22 14:25:10,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:25:10,439 INFO L413 NwaCegarLoop]: 139 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, 139 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:25:10,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:25:10,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-07-22 14:25:10,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-07-22 14:25:10,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.5402298850574712) internal successors, (134), 87 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:10,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2022-07-22 14:25:10,478 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 14 [2022-07-22 14:25:10,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:25:10,479 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2022-07-22 14:25:10,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:10,479 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2022-07-22 14:25:10,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-22 14:25:10,480 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:25:10,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:25:10,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 14:25:10,480 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:25:10,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:25:10,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1196316516, now seen corresponding path program 1 times [2022-07-22 14:25:10,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:25:10,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015144401] [2022-07-22 14:25:10,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:25:10,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:25:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 14:25:10,635 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 14:25:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 14:25:10,799 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 14:25:10,799 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 14:25:10,802 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 14:25:10,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 14:25:10,807 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-22 14:25:10,811 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 14:25:10,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:25:10 BoogieIcfgContainer [2022-07-22 14:25:10,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 14:25:10,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 14:25:10,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 14:25:10,838 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 14:25:10,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:25:10" (3/4) ... [2022-07-22 14:25:10,845 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 14:25:10,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 14:25:10,847 INFO L158 Benchmark]: Toolchain (without parser) took 2043.61ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 68.3MB in the beginning and 83.2MB in the end (delta: -15.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-07-22 14:25:10,848 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:25:10,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.93ms. Allocated memory is still 100.7MB. Free memory was 68.0MB in the beginning and 71.6MB in the end (delta: -3.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 14:25:10,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.39ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 66.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 14:25:10,849 INFO L158 Benchmark]: Boogie Preprocessor took 82.17ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 63.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 14:25:10,850 INFO L158 Benchmark]: RCFGBuilder took 801.41ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 63.3MB in the beginning and 87.8MB in the end (delta: -24.6MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2022-07-22 14:25:10,850 INFO L158 Benchmark]: TraceAbstraction took 747.25ms. Allocated memory is still 130.0MB. Free memory was 86.9MB in the beginning and 83.2MB in the end (delta: 3.7MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-07-22 14:25:10,851 INFO L158 Benchmark]: Witness Printer took 8.23ms. Allocated memory is still 130.0MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:25:10,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.93ms. Allocated memory is still 100.7MB. Free memory was 68.0MB in the beginning and 71.6MB in the end (delta: -3.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.39ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 66.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.17ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 63.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 801.41ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 63.3MB in the beginning and 87.8MB in the end (delta: -24.6MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * TraceAbstraction took 747.25ms. Allocated memory is still 130.0MB. Free memory was 86.9MB in the beginning and 83.2MB in the end (delta: 3.7MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Witness Printer took 8.23ms. Allocated memory is still 130.0MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 188]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 43, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of someBinaryArithmeticDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 187, overapproximation of bitwiseXOr at line 39. Possible FailurePath: [L17-L20] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L179] double y = -1.0 / 0.0; [L180] double x = __VERIFIER_nondet_double(); [L182] CALL isfinite_double(x) [L163] __int32_t hx; VAL [\old(x)=4294967310, one_fmod=1, x=4294967310, Zero_fmod={4:0}] [L165] ieee_double_shape_type gh_u; [L166] gh_u.value = (x) [L167] EXPR gh_u.parts.msw [L167] (hx) = gh_u.parts.msw [L169] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [\old(x)=4294967310, \result=1, hx=9, one_fmod=1, x=4294967310, Zero_fmod={4:0}] [L182] RET isfinite_double(x) [L182] COND TRUE isfinite_double(x) [L184] CALL, EXPR fmod_double(x, y) [L23] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L24] __uint32_t lx, ly, lz; VAL [\old(x)=4294967310, \old(y)=4294967308, one_fmod=1, x=4294967310, y=4294967308, Zero_fmod={4:0}] [L27] ieee_double_shape_type ew_u; [L28] ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] (hx) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] (lx) = ew_u.parts.lsw [L33] ieee_double_shape_type ew_u; [L34] ew_u.value = (y) [L35] EXPR ew_u.parts.msw [L35] (hy) = ew_u.parts.msw [L36] EXPR ew_u.parts.lsw [L36] (ly) = ew_u.parts.lsw [L38] sx = hx & 0x80000000 VAL [\old(x)=4294967310, \old(y)=4294967308, hx=0, hy=-2, lx=4294967311, ly=-1, one_fmod=1, sx=0, x=4294967310, y=4294967308, Zero_fmod={4:0}] [L39] hx ^= sx [L40] hy &= 0x7fffffff VAL [\old(x)=4294967310, \old(y)=4294967308, hx=0, hy=-1, lx=4294967311, ly=-1, one_fmod=1, sx=0, x=4294967310, y=4294967308, Zero_fmod={4:0}] [L42-L43] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L44] return (x * y) / (x * y); VAL [\old(x)=4294967310, \old(y)=4294967308, hx=0, hy=-1, lx=4294967311, ly=-1, one_fmod=1, sx=0, x=4294967310, y=4294967308, Zero_fmod={4:0}] [L184] RET, EXPR fmod_double(x, y) [L184] double res = fmod_double(x, y); [L187] COND TRUE res != x VAL [one_fmod=1, res=4294967307, x=4294967310, y=4294967308, Zero_fmod={4:0}] [L188] reach_error() VAL [one_fmod=1, res=4294967307, x=4294967310, y=4294967308, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 92 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, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 139 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, 139 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=92occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-22 14:25:10,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1131b.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 d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 14:25:12,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 14:25:12,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 14:25:12,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 14:25:12,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 14:25:12,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 14:25:12,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 14:25:12,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 14:25:12,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 14:25:12,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 14:25:12,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 14:25:12,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 14:25:12,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 14:25:12,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 14:25:12,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 14:25:12,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 14:25:12,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 14:25:12,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 14:25:12,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 14:25:12,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 14:25:12,876 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 14:25:12,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 14:25:12,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 14:25:12,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 14:25:12,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 14:25:12,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 14:25:12,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 14:25:12,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 14:25:12,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 14:25:12,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 14:25:12,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 14:25:12,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 14:25:12,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 14:25:12,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 14:25:12,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 14:25:12,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 14:25:12,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 14:25:12,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 14:25:12,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 14:25:12,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 14:25:12,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 14:25:12,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 14:25:12,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-22 14:25:12,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 14:25:12,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 14:25:12,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 14:25:12,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 14:25:12,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 14:25:12,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 14:25:12,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 14:25:12,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 14:25:12,938 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 14:25:12,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 14:25:12,939 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 14:25:12,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 14:25:12,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 14:25:12,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 14:25:12,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 14:25:12,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 14:25:12,947 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 14:25:12,947 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 14:25:12,948 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 14:25:12,948 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 14:25:12,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 14:25:12,948 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 14:25:12,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 14:25:12,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 14:25:12,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 14:25:12,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 14:25:12,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:25:12,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 14:25:12,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 14:25:12,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 14:25:12,950 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 14:25:12,950 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 14:25:12,950 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 14:25:12,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 14:25:12,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 14:25:12,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 14:25:12,951 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac [2022-07-22 14:25:13,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 14:25:13,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 14:25:13,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 14:25:13,251 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 14:25:13,252 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 14:25:13,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2022-07-22 14:25:13,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b521fcaa/5af076f3c1784689ba74a916cfdc7a76/FLAGef6fa65b3 [2022-07-22 14:25:13,756 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 14:25:13,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2022-07-22 14:25:13,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b521fcaa/5af076f3c1784689ba74a916cfdc7a76/FLAGef6fa65b3 [2022-07-22 14:25:14,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b521fcaa/5af076f3c1784689ba74a916cfdc7a76 [2022-07-22 14:25:14,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 14:25:14,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 14:25:14,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 14:25:14,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 14:25:14,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 14:25:14,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:25:14" (1/1) ... [2022-07-22 14:25:14,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb0b863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:14, skipping insertion in model container [2022-07-22 14:25:14,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:25:14" (1/1) ... [2022-07-22 14:25:14,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 14:25:14,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 14:25:14,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2022-07-22 14:25:14,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:25:14,377 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 14:25:14,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2022-07-22 14:25:14,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:25:14,466 INFO L208 MainTranslator]: Completed translation [2022-07-22 14:25:14,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:14 WrapperNode [2022-07-22 14:25:14,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 14:25:14,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 14:25:14,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 14:25:14,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 14:25:14,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:14" (1/1) ... [2022-07-22 14:25:14,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:14" (1/1) ... [2022-07-22 14:25:14,509 INFO L137 Inliner]: procedures = 21, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 237 [2022-07-22 14:25:14,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 14:25:14,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 14:25:14,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 14:25:14,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 14:25:14,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:14" (1/1) ... [2022-07-22 14:25:14,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:14" (1/1) ... [2022-07-22 14:25:14,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:14" (1/1) ... [2022-07-22 14:25:14,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:14" (1/1) ... [2022-07-22 14:25:14,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:14" (1/1) ... [2022-07-22 14:25:14,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:14" (1/1) ... [2022-07-22 14:25:14,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:14" (1/1) ... [2022-07-22 14:25:14,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 14:25:14,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 14:25:14,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 14:25:14,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 14:25:14,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:14" (1/1) ... [2022-07-22 14:25:14,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:25:14,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:25:14,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 14:25:14,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 14:25:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 14:25:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-07-22 14:25:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-07-22 14:25:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 14:25:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 14:25:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-07-22 14:25:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 14:25:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 14:25:14,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 14:25:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 14:25:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 14:25:14,739 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 14:25:14,741 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 14:25:20,221 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 14:25:20,227 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 14:25:20,227 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-22 14:25:20,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:25:20 BoogieIcfgContainer [2022-07-22 14:25:20,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 14:25:20,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 14:25:20,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 14:25:20,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 14:25:20,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:25:14" (1/3) ... [2022-07-22 14:25:20,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5a87b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:25:20, skipping insertion in model container [2022-07-22 14:25:20,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:14" (2/3) ... [2022-07-22 14:25:20,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5a87b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:25:20, skipping insertion in model container [2022-07-22 14:25:20,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:25:20" (3/3) ... [2022-07-22 14:25:20,242 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2022-07-22 14:25:20,256 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 14:25:20,257 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 14:25:20,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 14:25:20,298 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2a8f559b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@877d995 [2022-07-22 14:25:20,299 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 14:25:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 58 states have (on average 1.793103448275862) internal successors, (104), 59 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:20,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-22 14:25:20,307 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:25:20,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:25:20,308 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:25:20,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:25:20,312 INFO L85 PathProgramCache]: Analyzing trace with hash 2036387893, now seen corresponding path program 1 times [2022-07-22 14:25:20,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:25:20,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127144876] [2022-07-22 14:25:20,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:25:20,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:25:20,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:25:20,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:25:20,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 14:25:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:25:21,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-22 14:25:21,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:25:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:25:21,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:25:21,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:25:21,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2127144876] [2022-07-22 14:25:21,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2127144876] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:25:21,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:25:21,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 14:25:21,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480245080] [2022-07-22 14:25:21,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:25:21,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 14:25:21,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:25:21,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 14:25:21,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:25:21,456 INFO L87 Difference]: Start difference. First operand has 60 states, 58 states have (on average 1.793103448275862) internal successors, (104), 59 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:21,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:25:21,487 INFO L93 Difference]: Finished difference Result 118 states and 206 transitions. [2022-07-22 14:25:21,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 14:25:21,489 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2022-07-22 14:25:21,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:25:21,497 INFO L225 Difference]: With dead ends: 118 [2022-07-22 14:25:21,497 INFO L226 Difference]: Without dead ends: 56 [2022-07-22 14:25:21,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:25:21,510 INFO L413 NwaCegarLoop]: 87 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, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:25:21,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:25:21,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-07-22 14:25:21,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-07-22 14:25:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.490909090909091) internal successors, (82), 55 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:21,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2022-07-22 14:25:21,537 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 13 [2022-07-22 14:25:21,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:25:21,538 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2022-07-22 14:25:21,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:21,538 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2022-07-22 14:25:21,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-22 14:25:21,539 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:25:21,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:25:21,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-22 14:25:21,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:25:21,744 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:25:21,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:25:21,744 INFO L85 PathProgramCache]: Analyzing trace with hash -794890891, now seen corresponding path program 1 times [2022-07-22 14:25:21,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:25:21,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500347193] [2022-07-22 14:25:21,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:25:21,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:25:21,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:25:21,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:25:21,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 14:25:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:25:22,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2022-07-22 14:25:22,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:25:23,160 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2022-07-22 14:25:25,108 INFO L356 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-07-22 14:25:25,108 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2022-07-22 14:25:25,913 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-22 14:25:25,914 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2022-07-22 14:25:29,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:25:29,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:25:29,361 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:25:29,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500347193] [2022-07-22 14:25:29,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500347193] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:25:29,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:25:29,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 14:25:29,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669427602] [2022-07-22 14:25:29,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:25:29,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 14:25:29,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:25:29,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 14:25:29,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 14:25:29,364 INFO L87 Difference]: Start difference. First operand 56 states and 82 transitions. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:29,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:25:29,385 INFO L93 Difference]: Finished difference Result 60 states and 85 transitions. [2022-07-22 14:25:29,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 14:25:29,386 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16 [2022-07-22 14:25:29,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:25:29,387 INFO L225 Difference]: With dead ends: 60 [2022-07-22 14:25:29,387 INFO L226 Difference]: Without dead ends: 56 [2022-07-22 14:25:29,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 14:25:29,389 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 149 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:25:29,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 512 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 149 Unchecked, 0.0s Time] [2022-07-22 14:25:29,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-07-22 14:25:29,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-07-22 14:25:29,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4727272727272727) internal successors, (81), 55 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:29,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2022-07-22 14:25:29,397 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 16 [2022-07-22 14:25:29,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:25:29,397 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2022-07-22 14:25:29,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:29,397 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2022-07-22 14:25:29,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-22 14:25:29,398 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:25:29,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:25:29,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-22 14:25:29,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:25:29,599 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:25:29,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:25:29,600 INFO L85 PathProgramCache]: Analyzing trace with hash 467286736, now seen corresponding path program 1 times [2022-07-22 14:25:29,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:25:29,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251565055] [2022-07-22 14:25:29,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:25:29,601 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:25:29,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:25:29,603 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:25:29,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 14:25:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:25:29,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-22 14:25:29,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:25:32,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:25:32,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:25:32,549 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:25:32,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251565055] [2022-07-22 14:25:32,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251565055] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:25:32,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:25:32,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 14:25:32,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370301357] [2022-07-22 14:25:32,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:25:32,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 14:25:32,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:25:32,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 14:25:32,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 14:25:32,551 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2022-07-22 14:25:33,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 14:25:33,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:25:33,947 INFO L93 Difference]: Finished difference Result 62 states and 86 transitions. [2022-07-22 14:25:33,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 14:25:33,947 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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 [2022-07-22 14:25:33,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:25:33,948 INFO L225 Difference]: With dead ends: 62 [2022-07-22 14:25:33,948 INFO L226 Difference]: Without dead ends: 58 [2022-07-22 14:25:33,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-22 14:25:33,949 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 60 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-22 14:25:33,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 510 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 28 Unchecked, 1.2s Time] [2022-07-22 14:25:33,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-07-22 14:25:33,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2022-07-22 14:25:33,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 55 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:33,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 80 transitions. [2022-07-22 14:25:33,957 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 80 transitions. Word has length 18 [2022-07-22 14:25:33,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:25:33,957 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 80 transitions. [2022-07-22 14:25:33,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2022-07-22 14:25:33,958 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2022-07-22 14:25:33,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-22 14:25:33,959 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:25:33,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:25:33,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-22 14:25:34,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:25:34,170 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:25:34,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:25:34,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1596694380, now seen corresponding path program 1 times [2022-07-22 14:25:34,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:25:34,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514018281] [2022-07-22 14:25:34,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:25:34,172 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:25:34,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:25:34,173 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) [2022-07-22 14:25:34,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 14:25:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:25:34,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 14:25:34,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:25:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:25:35,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:25:35,796 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:25:35,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514018281] [2022-07-22 14:25:35,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514018281] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:25:35,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:25:35,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 14:25:35,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369474208] [2022-07-22 14:25:35,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:25:35,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 14:25:35,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:25:35,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 14:25:35,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 14:25:35,800 INFO L87 Difference]: Start difference. First operand 56 states and 80 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:35,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:25:35,810 INFO L93 Difference]: Finished difference Result 96 states and 142 transitions. [2022-07-22 14:25:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 14:25:35,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-22 14:25:35,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:25:35,812 INFO L225 Difference]: With dead ends: 96 [2022-07-22 14:25:35,812 INFO L226 Difference]: Without dead ends: 54 [2022-07-22 14:25:35,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 14:25:35,813 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:25:35,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 308 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 45 Unchecked, 0.0s Time] [2022-07-22 14:25:35,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-07-22 14:25:35,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-07-22 14:25:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 53 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:35,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 76 transitions. [2022-07-22 14:25:35,821 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 76 transitions. Word has length 19 [2022-07-22 14:25:35,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:25:35,821 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 76 transitions. [2022-07-22 14:25:35,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:35,822 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2022-07-22 14:25:35,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-22 14:25:35,822 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:25:35,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:25:35,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-22 14:25:36,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:25:36,025 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:25:36,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:25:36,025 INFO L85 PathProgramCache]: Analyzing trace with hash 690157958, now seen corresponding path program 1 times [2022-07-22 14:25:36,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:25:36,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099408858] [2022-07-22 14:25:36,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:25:36,026 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:25:36,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:25:36,027 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) [2022-07-22 14:25:36,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-22 14:25:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:25:36,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 14:25:36,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:25:37,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:25:37,644 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:25:37,644 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:25:37,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099408858] [2022-07-22 14:25:37,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2099408858] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:25:37,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:25:37,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 14:25:37,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494968352] [2022-07-22 14:25:37,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:25:37,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 14:25:37,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:25:37,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 14:25:37,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 14:25:37,647 INFO L87 Difference]: Start difference. First operand 54 states and 76 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:37,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:25:37,653 INFO L93 Difference]: Finished difference Result 54 states and 76 transitions. [2022-07-22 14:25:37,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 14:25:37,653 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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 27 [2022-07-22 14:25:37,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:25:37,654 INFO L225 Difference]: With dead ends: 54 [2022-07-22 14:25:37,654 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 14:25:37,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 14:25:37,655 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:25:37,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2022-07-22 14:25:37,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 14:25:37,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 14:25:37,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:37,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 14:25:37,657 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-07-22 14:25:37,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:25:37,657 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 14:25:37,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:25:37,658 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 14:25:37,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 14:25:37,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 14:25:37,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-22 14:25:37,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:25:37,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 14:25:38,571 INFO L895 garLoopResultBuilder]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2022-07-22 14:25:38,571 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 156) no Hoare annotation was computed. [2022-07-22 14:25:38,571 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 139 158) no Hoare annotation was computed. [2022-07-22 14:25:38,571 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 151 156) no Hoare annotation was computed. [2022-07-22 14:25:38,571 INFO L899 garLoopResultBuilder]: For program point L52(lines 22 160) no Hoare annotation was computed. [2022-07-22 14:25:38,571 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 14:25:38,572 INFO L899 garLoopResultBuilder]: For program point L119-1(lines 22 160) no Hoare annotation was computed. [2022-07-22 14:25:38,572 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 59) no Hoare annotation was computed. [2022-07-22 14:25:38,572 INFO L895 garLoopResultBuilder]: At program point L169(lines 162 170) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_main_~y~0#1|)) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6|) (_ bv4 32)))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) .cse0) (= |ULTIMATE.start_main_~x~0#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))) (= (bvlshr (bvadd (_ bv2148532224 32) (bvand (_ bv2147483647 32) .cse0)) (_ bv31 32)) |ULTIMATE.start_isfinite_double_#res#1|))))) [2022-07-22 14:25:38,572 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 104) no Hoare annotation was computed. [2022-07-22 14:25:38,572 INFO L899 garLoopResultBuilder]: For program point L103-2(lines 100 114) no Hoare annotation was computed. [2022-07-22 14:25:38,572 INFO L899 garLoopResultBuilder]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2022-07-22 14:25:38,572 INFO L895 garLoopResultBuilder]: At program point L54-3(lines 54 55) the Hoare annotation is: false [2022-07-22 14:25:38,572 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 190) no Hoare annotation was computed. [2022-07-22 14:25:38,572 INFO L895 garLoopResultBuilder]: At program point L105-1(lines 100 114) the Hoare annotation is: false [2022-07-22 14:25:38,572 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-22 14:25:38,572 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 96) no Hoare annotation was computed. [2022-07-22 14:25:38,572 INFO L899 garLoopResultBuilder]: For program point L90-2(lines 86 97) no Hoare annotation was computed. [2022-07-22 14:25:38,572 INFO L899 garLoopResultBuilder]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2022-07-22 14:25:38,573 INFO L895 garLoopResultBuilder]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2022-07-22 14:25:38,573 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 14:25:38,573 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 150) no Hoare annotation was computed. [2022-07-22 14:25:38,573 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 44) no Hoare annotation was computed. [2022-07-22 14:25:38,573 INFO L899 garLoopResultBuilder]: For program point L26-1(lines 26 31) no Hoare annotation was computed. [2022-07-22 14:25:38,573 INFO L895 garLoopResultBuilder]: At program point L26-2(lines 26 31) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6|) (_ bv4 32)))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) .cse0) (not (= (bvlshr (bvadd (_ bv2148532224 32) (bvand (_ bv2147483647 32) .cse0)) (_ bv31 32)) (_ bv0 32))) (= |ULTIMATE.start_fmod_double_~x#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|)))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fmod_double_~y#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) [2022-07-22 14:25:38,573 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 110) no Hoare annotation was computed. [2022-07-22 14:25:38,573 INFO L895 garLoopResultBuilder]: At program point L159(lines 22 160) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_#res#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) |ULTIMATE.start_main_~x~0#1|) (not (= (bvlshr (bvadd (_ bv2148532224 32) (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|))) (_ bv31 32)) (_ bv0 32)))))) [2022-07-22 14:25:38,573 INFO L895 garLoopResultBuilder]: At program point L126-2(lines 126 130) the Hoare annotation is: false [2022-07-22 14:25:38,573 INFO L899 garLoopResultBuilder]: For program point L126-3(lines 22 160) no Hoare annotation was computed. [2022-07-22 14:25:38,573 INFO L902 garLoopResultBuilder]: At program point L193(lines 172 194) the Hoare annotation is: true [2022-07-22 14:25:38,573 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 14:25:38,573 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 150) no Hoare annotation was computed. [2022-07-22 14:25:38,575 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 84) no Hoare annotation was computed. [2022-07-22 14:25:38,575 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 50) no Hoare annotation was computed. [2022-07-22 14:25:38,575 INFO L899 garLoopResultBuilder]: For program point L78-2(lines 22 160) no Hoare annotation was computed. [2022-07-22 14:25:38,575 INFO L899 garLoopResultBuilder]: For program point L45-2(lines 22 160) no Hoare annotation was computed. [2022-07-22 14:25:38,576 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2022-07-22 14:25:38,576 INFO L899 garLoopResultBuilder]: For program point L63(lines 22 160) no Hoare annotation was computed. [2022-07-22 14:25:38,576 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 70) no Hoare annotation was computed. [2022-07-22 14:25:38,576 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 49) no Hoare annotation was computed. [2022-07-22 14:25:38,576 INFO L899 garLoopResultBuilder]: For program point L164-1(lines 164 168) no Hoare annotation was computed. [2022-07-22 14:25:38,576 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 158) no Hoare annotation was computed. [2022-07-22 14:25:38,576 INFO L895 garLoopResultBuilder]: At program point L164-2(lines 164 168) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_main_~y~0#1|))) [2022-07-22 14:25:38,576 INFO L899 garLoopResultBuilder]: For program point L164-3(lines 164 168) no Hoare annotation was computed. [2022-07-22 14:25:38,576 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 37) no Hoare annotation was computed. [2022-07-22 14:25:38,577 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 14:25:38,577 INFO L899 garLoopResultBuilder]: For program point L32-1(lines 22 160) no Hoare annotation was computed. [2022-07-22 14:25:38,577 INFO L899 garLoopResultBuilder]: For program point L65-2(lines 65 66) no Hoare annotation was computed. [2022-07-22 14:25:38,577 INFO L899 garLoopResultBuilder]: For program point L32-2(lines 32 37) no Hoare annotation was computed. [2022-07-22 14:25:38,577 INFO L895 garLoopResultBuilder]: At program point L65-3(lines 65 66) the Hoare annotation is: false [2022-07-22 14:25:38,577 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2022-07-22 14:25:38,577 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 191) no Hoare annotation was computed. [2022-07-22 14:25:38,577 INFO L899 garLoopResultBuilder]: For program point L182-2(lines 182 191) no Hoare annotation was computed. [2022-07-22 14:25:38,577 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 133 138) no Hoare annotation was computed. [2022-07-22 14:25:38,577 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 100 114) no Hoare annotation was computed. [2022-07-22 14:25:38,577 INFO L895 garLoopResultBuilder]: At program point L133-2(lines 133 138) the Hoare annotation is: false [2022-07-22 14:25:38,578 INFO L899 garLoopResultBuilder]: For program point L100-3(lines 100 114) no Hoare annotation was computed. [2022-07-22 14:25:38,578 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2022-07-22 14:25:38,578 INFO L899 garLoopResultBuilder]: For program point L117-2(lines 22 160) no Hoare annotation was computed. [2022-07-22 14:25:38,578 INFO L899 garLoopResultBuilder]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2022-07-22 14:25:38,581 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-22 14:25:38,584 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 14:25:38,591 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,601 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,601 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,603 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,604 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,604 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,604 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,604 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,604 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,607 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,608 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,608 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,611 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,613 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,613 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,613 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,613 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,614 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,614 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,614 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,614 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,614 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,615 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,615 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,615 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,619 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,619 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,619 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,619 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:25:38 BoogieIcfgContainer [2022-07-22 14:25:38,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 14:25:38,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 14:25:38,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 14:25:38,637 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 14:25:38,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:25:20" (3/4) ... [2022-07-22 14:25:38,640 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 14:25:38,654 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-07-22 14:25:38,654 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-07-22 14:25:38,654 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 14:25:38,655 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 14:25:38,677 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == x && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) [2022-07-22 14:25:38,678 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6 : bv32 :: (v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32] && x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) && ~bvlshr32(~bvadd64(2148532224bv32, ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32])), 31bv32) == \result) [2022-07-22 14:25:38,678 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == x && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6 : bv32 :: (v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32] && !(~bvlshr32(~bvadd64(2148532224bv32, ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32])), 31bv32) == 0bv32)) && x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) [2022-07-22 14:25:38,691 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 14:25:38,691 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 14:25:38,692 INFO L158 Benchmark]: Toolchain (without parser) took 24525.84ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 27.1MB in the beginning and 23.1MB in the end (delta: 4.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-22 14:25:38,692 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:25:38,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.29ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 26.9MB in the beginning and 43.5MB in the end (delta: -16.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-07-22 14:25:38,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.87ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 41.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 14:25:38,693 INFO L158 Benchmark]: Boogie Preprocessor took 56.40ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 39.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 14:25:38,693 INFO L158 Benchmark]: RCFGBuilder took 5659.75ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 34.0MB in the end (delta: 5.1MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-07-22 14:25:38,694 INFO L158 Benchmark]: TraceAbstraction took 18403.31ms. Allocated memory is still 62.9MB. Free memory was 33.5MB in the beginning and 26.1MB in the end (delta: 7.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-07-22 14:25:38,694 INFO L158 Benchmark]: Witness Printer took 56.47ms. Allocated memory is still 62.9MB. Free memory was 26.1MB in the beginning and 23.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 14:25:38,696 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.29ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 26.9MB in the beginning and 43.5MB in the end (delta: -16.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.87ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 41.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.40ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 39.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5659.75ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 34.0MB in the end (delta: 5.1MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * TraceAbstraction took 18403.31ms. Allocated memory is still 62.9MB. Free memory was 33.5MB in the beginning and 26.1MB in the end (delta: 7.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Witness Printer took 56.47ms. Allocated memory is still 62.9MB. Free memory was 26.1MB in the beginning and 23.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. 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[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#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_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#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[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,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_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,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_skolemized_q#valueAsBitvector_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,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: 188]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 1461 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 228 IncrementalHoareTripleChecker+Unchecked, 1147 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 314 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 35, 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 138 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 43 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 12.5s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 88 ConstructedInterpolants, 50 QuantifiedInterpolants, 1311 SizeOfPredicates, 42 NumberOfNonLiveVariables, 429 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 162]: Loop Invariant [2022-07-22 14:25:38,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6 : bv32 :: (v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32] && x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) && ~bvlshr32(~bvadd64(2148532224bv32, ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32])), 31bv32) == \result) - InvariantResult [Line: 164]: Loop Invariant [2022-07-22 14:25:38,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: x == x && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant [2022-07-22 14:25:38,736 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,736 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,736 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,736 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,736 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,737 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,737 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,737 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-22 14:25:38,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-22 14:25:38,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:25:38,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (x == x && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6 : bv32 :: (v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32] && !(~bvlshr32(~bvadd64(2148532224bv32, ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32])), 31bv32) == 0bv32)) && x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant [2022-07-22 14:25:38,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-22 14:25:38,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] Derived loop invariant: \result == x && (\exists v_skolemized_q#valueAsBitvector_21 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == x && !(~bvlshr32(~bvadd64(2148532224bv32, ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_21[63:32])), 31bv32) == 0bv32)) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-07-22 14:25:38,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE