./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.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 7f9af890a0b98df8fb43a2c8ebf2715c4a4b8a7c4e81db20c6dd9c8d356ba701 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 14:55:52,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 14:55:52,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 14:55:52,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 14:55:52,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 14:55:52,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 14:55:52,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 14:55:52,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 14:55:52,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 14:55:52,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 14:55:52,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 14:55:52,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 14:55:52,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 14:55:52,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 14:55:52,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 14:55:52,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 14:55:52,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 14:55:52,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 14:55:52,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 14:55:52,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 14:55:52,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 14:55:52,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 14:55:52,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 14:55:52,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 14:55:52,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 14:55:52,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 14:55:52,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 14:55:52,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 14:55:52,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 14:55:52,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 14:55:52,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 14:55:52,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 14:55:52,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 14:55:52,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 14:55:52,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 14:55:52,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 14:55:52,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 14:55:52,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 14:55:52,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 14:55:52,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 14:55:52,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 14:55:52,952 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 14:55:52,972 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 14:55:52,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 14:55:52,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 14:55:52,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 14:55:52,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 14:55:52,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 14:55:52,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 14:55:52,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 14:55:52,975 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 14:55:52,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 14:55:52,975 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 14:55:52,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 14:55:52,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 14:55:52,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 14:55:52,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 14:55:52,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 14:55:52,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 14:55:52,976 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 14:55:52,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 14:55:52,977 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 14:55:52,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 14:55:52,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 14:55:52,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 14:55:52,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 14:55:52,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 14:55:52,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 14:55:52,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 14:55:52,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 14:55:52,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 14:55:52,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 14:55:52,979 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 14:55:52,979 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 14:55:52,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 14:55:52,979 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 14:55:52,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f9af890a0b98df8fb43a2c8ebf2715c4a4b8a7c4e81db20c6dd9c8d356ba701 [2021-12-21 14:55:53,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 14:55:53,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 14:55:53,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 14:55:53,196 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 14:55:53,196 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 14:55:53,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c [2021-12-21 14:55:53,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b316f2ed/4fed9f1f93a249b2985baf1d010e1bf9/FLAG95cd596cc [2021-12-21 14:55:53,644 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 14:55:53,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c [2021-12-21 14:55:53,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b316f2ed/4fed9f1f93a249b2985baf1d010e1bf9/FLAG95cd596cc [2021-12-21 14:55:53,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b316f2ed/4fed9f1f93a249b2985baf1d010e1bf9 [2021-12-21 14:55:53,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 14:55:53,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 14:55:53,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 14:55:53,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 14:55:53,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 14:55:53,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:55:53" (1/1) ... [2021-12-21 14:55:53,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2298c90d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:53, skipping insertion in model container [2021-12-21 14:55:53,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:55:53" (1/1) ... [2021-12-21 14:55:53,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 14:55:53,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 14:55:53,887 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/combinations/square_6+soft_float_4-3a.c.cil.c[1997,2010] [2021-12-21 14:55:53,894 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/combinations/square_6+soft_float_4-3a.c.cil.c[2366,2379] [2021-12-21 14:55:53,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 14:55:53,951 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 14:55:53,978 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/combinations/square_6+soft_float_4-3a.c.cil.c[1997,2010] [2021-12-21 14:55:53,980 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/combinations/square_6+soft_float_4-3a.c.cil.c[2366,2379] [2021-12-21 14:55:54,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 14:55:54,012 INFO L208 MainTranslator]: Completed translation [2021-12-21 14:55:54,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:54 WrapperNode [2021-12-21 14:55:54,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 14:55:54,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 14:55:54,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 14:55:54,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 14:55:54,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:54" (1/1) ... [2021-12-21 14:55:54,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:54" (1/1) ... [2021-12-21 14:55:54,064 INFO L137 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2021-12-21 14:55:54,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 14:55:54,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 14:55:54,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 14:55:54,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 14:55:54,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:54" (1/1) ... [2021-12-21 14:55:54,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:54" (1/1) ... [2021-12-21 14:55:54,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:54" (1/1) ... [2021-12-21 14:55:54,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:54" (1/1) ... [2021-12-21 14:55:54,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:54" (1/1) ... [2021-12-21 14:55:54,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:54" (1/1) ... [2021-12-21 14:55:54,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:54" (1/1) ... [2021-12-21 14:55:54,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 14:55:54,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 14:55:54,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 14:55:54,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 14:55:54,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:54" (1/1) ... [2021-12-21 14:55:54,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 14:55:54,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 14:55:54,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 14:55:54,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 14:55:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 14:55:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-12-21 14:55:54,178 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-12-21 14:55:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2021-12-21 14:55:54,178 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2021-12-21 14:55:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 14:55:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 14:55:54,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 14:55:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-21 14:55:54,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-21 14:55:54,253 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 14:55:54,254 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 14:55:54,460 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 14:55:54,470 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 14:55:54,471 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 14:55:54,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:55:54 BoogieIcfgContainer [2021-12-21 14:55:54,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 14:55:54,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 14:55:54,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 14:55:54,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 14:55:54,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 02:55:53" (1/3) ... [2021-12-21 14:55:54,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f936eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 02:55:54, skipping insertion in model container [2021-12-21 14:55:54,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:54" (2/3) ... [2021-12-21 14:55:54,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f936eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 02:55:54, skipping insertion in model container [2021-12-21 14:55:54,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:55:54" (3/3) ... [2021-12-21 14:55:54,486 INFO L111 eAbstractionObserver]: Analyzing ICFG square_6+soft_float_4-3a.c.cil.c [2021-12-21 14:55:54,491 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 14:55:54,491 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 14:55:54,530 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 14:55:54,535 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 14:55:54,536 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-21 14:55:54,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 50 states have internal predecessors, (71), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-21 14:55:54,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-21 14:55:54,556 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 14:55:54,556 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:55:54,557 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 14:55:54,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:55:54,562 INFO L85 PathProgramCache]: Analyzing trace with hash -548115930, now seen corresponding path program 1 times [2021-12-21 14:55:54,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:55:54,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365713025] [2021-12-21 14:55:54,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:55:54,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:55:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:55:54,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:55:54,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 14:55:54,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365713025] [2021-12-21 14:55:54,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365713025] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 14:55:54,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 14:55:54,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 14:55:54,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078344334] [2021-12-21 14:55:54,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 14:55:54,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 14:55:54,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 14:55:54,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 14:55:54,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 14:55:54,726 INFO L87 Difference]: Start difference. First operand has 63 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 50 states have internal predecessors, (71), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:55:54,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 14:55:54,765 INFO L93 Difference]: Finished difference Result 121 states and 179 transitions. [2021-12-21 14:55:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 14:55:54,767 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-12-21 14:55:54,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 14:55:54,776 INFO L225 Difference]: With dead ends: 121 [2021-12-21 14:55:54,776 INFO L226 Difference]: Without dead ends: 56 [2021-12-21 14:55:54,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 14:55:54,783 INFO L933 BasicCegarLoop]: 82 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, 82 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 14:55:54,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 14:55:54,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-12-21 14:55:54,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-12-21 14:55:54,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 44 states have internal predecessors, (57), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-21 14:55:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 74 transitions. [2021-12-21 14:55:54,837 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 74 transitions. Word has length 7 [2021-12-21 14:55:54,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 14:55:54,838 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 74 transitions. [2021-12-21 14:55:54,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:55:54,838 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2021-12-21 14:55:54,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-21 14:55:54,840 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 14:55:54,840 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:55:54,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 14:55:54,841 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 14:55:54,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:55:54,846 INFO L85 PathProgramCache]: Analyzing trace with hash -548056348, now seen corresponding path program 1 times [2021-12-21 14:55:54,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:55:54,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161141310] [2021-12-21 14:55:54,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:55:54,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:55:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 14:55:54,863 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 14:55:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 14:55:54,891 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 14:55:54,891 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 14:55:54,892 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-12-21 14:55:54,894 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-21 14:55:54,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 14:55:54,898 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-21 14:55:54,900 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 14:55:54,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 02:55:54 BoogieIcfgContainer [2021-12-21 14:55:54,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 14:55:54,921 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 14:55:54,921 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 14:55:54,922 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 14:55:54,922 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:55:54" (3/4) ... [2021-12-21 14:55:54,925 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 14:55:54,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 14:55:54,927 INFO L158 Benchmark]: Toolchain (without parser) took 1257.78ms. Allocated memory is still 113.2MB. Free memory was 81.3MB in the beginning and 45.1MB in the end (delta: 36.2MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2021-12-21 14:55:54,927 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 14:55:54,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.87ms. Allocated memory is still 113.2MB. Free memory was 81.1MB in the beginning and 86.4MB in the end (delta: -5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 14:55:54,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.09ms. Allocated memory is still 113.2MB. Free memory was 86.4MB in the beginning and 84.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 14:55:54,933 INFO L158 Benchmark]: Boogie Preprocessor took 44.51ms. Allocated memory is still 113.2MB. Free memory was 84.8MB in the beginning and 83.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 14:55:54,933 INFO L158 Benchmark]: RCFGBuilder took 362.16ms. Allocated memory is still 113.2MB. Free memory was 83.5MB in the beginning and 69.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 14:55:54,933 INFO L158 Benchmark]: TraceAbstraction took 444.14ms. Allocated memory is still 113.2MB. Free memory was 69.6MB in the beginning and 45.1MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-21 14:55:54,934 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 113.2MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 14:55:54,943 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.87ms. Allocated memory is still 113.2MB. Free memory was 81.1MB in the beginning and 86.4MB in the end (delta: -5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.09ms. Allocated memory is still 113.2MB. Free memory was 86.4MB in the beginning and 84.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.51ms. Allocated memory is still 113.2MB. Free memory was 84.8MB in the beginning and 83.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.16ms. Allocated memory is still 113.2MB. Free memory was 83.5MB in the beginning and 69.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 444.14ms. Allocated memory is still 113.2MB. Free memory was 69.6MB in the beginning and 45.1MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 113.2MB. Free memory is still 45.1MB. 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: 48]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L309] COND TRUE __VERIFIER_nondet_int() [L310] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=49, x=49] [L47] COND TRUE !(result >= 0.0f && result < 1.399f) VAL [IN=49, x=49] [L48] reach_error() VAL [IN=49, x=49] - UnprovableResult [Line: 60]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 63 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 82 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, 82 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=63occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-21 14:55:54,992 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 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/combinations/square_6+soft_float_4-3a.c.cil.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 7f9af890a0b98df8fb43a2c8ebf2715c4a4b8a7c4e81db20c6dd9c8d356ba701 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 14:55:56,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 14:55:56,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 14:55:57,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 14:55:57,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 14:55:57,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 14:55:57,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 14:55:57,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 14:55:57,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 14:55:57,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 14:55:57,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 14:55:57,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 14:55:57,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 14:55:57,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 14:55:57,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 14:55:57,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 14:55:57,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 14:55:57,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 14:55:57,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 14:55:57,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 14:55:57,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 14:55:57,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 14:55:57,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 14:55:57,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 14:55:57,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 14:55:57,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 14:55:57,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 14:55:57,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 14:55:57,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 14:55:57,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 14:55:57,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 14:55:57,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 14:55:57,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 14:55:57,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 14:55:57,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 14:55:57,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 14:55:57,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 14:55:57,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 14:55:57,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 14:55:57,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 14:55:57,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 14:55:57,056 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 14:55:57,093 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 14:55:57,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 14:55:57,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 14:55:57,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 14:55:57,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 14:55:57,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 14:55:57,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 14:55:57,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 14:55:57,095 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 14:55:57,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 14:55:57,095 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 14:55:57,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 14:55:57,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 14:55:57,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 14:55:57,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 14:55:57,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 14:55:57,096 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 14:55:57,096 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 14:55:57,096 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 14:55:57,097 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 14:55:57,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 14:55:57,097 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 14:55:57,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 14:55:57,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 14:55:57,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 14:55:57,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 14:55:57,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 14:55:57,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 14:55:57,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 14:55:57,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 14:55:57,104 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 14:55:57,104 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 14:55:57,107 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 14:55:57,108 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 14:55:57,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 14:55:57,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 14:55:57,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 14:55:57,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f9af890a0b98df8fb43a2c8ebf2715c4a4b8a7c4e81db20c6dd9c8d356ba701 [2021-12-21 14:55:57,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 14:55:57,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 14:55:57,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 14:55:57,468 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 14:55:57,470 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 14:55:57,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c [2021-12-21 14:55:57,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2a357482/34599d4bedc3466cac14da133a21be3c/FLAGa84a8f5b4 [2021-12-21 14:55:58,010 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 14:55:58,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c [2021-12-21 14:55:58,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2a357482/34599d4bedc3466cac14da133a21be3c/FLAGa84a8f5b4 [2021-12-21 14:55:58,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2a357482/34599d4bedc3466cac14da133a21be3c [2021-12-21 14:55:58,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 14:55:58,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 14:55:58,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 14:55:58,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 14:55:58,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 14:55:58,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:55:58" (1/1) ... [2021-12-21 14:55:58,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4f6a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:58, skipping insertion in model container [2021-12-21 14:55:58,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:55:58" (1/1) ... [2021-12-21 14:55:58,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 14:55:58,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 14:55:58,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_6+soft_float_4-3a.c.cil.c[1997,2010] [2021-12-21 14:55:58,200 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/combinations/square_6+soft_float_4-3a.c.cil.c[2366,2379] [2021-12-21 14:55:58,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 14:55:58,283 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 14:55:58,307 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/combinations/square_6+soft_float_4-3a.c.cil.c[1997,2010] [2021-12-21 14:55:58,308 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/combinations/square_6+soft_float_4-3a.c.cil.c[2366,2379] [2021-12-21 14:55:58,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 14:55:58,342 INFO L208 MainTranslator]: Completed translation [2021-12-21 14:55:58,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:58 WrapperNode [2021-12-21 14:55:58,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 14:55:58,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 14:55:58,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 14:55:58,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 14:55:58,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:58" (1/1) ... [2021-12-21 14:55:58,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:58" (1/1) ... [2021-12-21 14:55:58,377 INFO L137 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2021-12-21 14:55:58,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 14:55:58,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 14:55:58,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 14:55:58,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 14:55:58,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:58" (1/1) ... [2021-12-21 14:55:58,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:58" (1/1) ... [2021-12-21 14:55:58,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:58" (1/1) ... [2021-12-21 14:55:58,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:58" (1/1) ... [2021-12-21 14:55:58,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:58" (1/1) ... [2021-12-21 14:55:58,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:58" (1/1) ... [2021-12-21 14:55:58,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:58" (1/1) ... [2021-12-21 14:55:58,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 14:55:58,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 14:55:58,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 14:55:58,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 14:55:58,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:58" (1/1) ... [2021-12-21 14:55:58,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 14:55:58,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 14:55:58,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 14:55:58,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 14:55:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 14:55:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 14:55:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-12-21 14:55:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-12-21 14:55:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2021-12-21 14:55:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2021-12-21 14:55:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 14:55:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 14:55:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-21 14:55:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-21 14:55:58,594 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 14:55:58,595 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 14:55:58,690 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: Not a regular bitvector operator with bitvector result: bvshl at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.notSimplified(BitvectorUtils.java:296) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplify_NonConstantCase(BitvectorUtils.java:291) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplifiedResult(BitvectorUtils.java:286) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils.termWithLocalSimplification(BitvectorUtils.java:217) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1490) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:405) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateToTerm(Expression2Term.java:120) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.addAssignment(Statements2TransFormula.java:288) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:703) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:733) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 14:55:58,694 INFO L158 Benchmark]: Toolchain (without parser) took 658.77ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 27.2MB in the beginning and 31.1MB in the end (delta: -3.9MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-12-21 14:55:58,695 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 50.3MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 14:55:58,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.33ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 27.0MB in the beginning and 42.3MB in the end (delta: -15.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-12-21 14:55:58,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.31ms. Allocated memory is still 62.9MB. Free memory was 42.2MB in the beginning and 40.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 14:55:58,697 INFO L158 Benchmark]: Boogie Preprocessor took 66.79ms. Allocated memory is still 62.9MB. Free memory was 40.5MB in the beginning and 38.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 14:55:58,698 INFO L158 Benchmark]: RCFGBuilder took 247.18ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 31.1MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 14:55:58,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 50.3MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.33ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 27.0MB in the beginning and 42.3MB in the end (delta: -15.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.31ms. Allocated memory is still 62.9MB. Free memory was 42.2MB in the beginning and 40.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.79ms. Allocated memory is still 62.9MB. Free memory was 40.5MB in the beginning and 38.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 247.18ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 31.1MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: Not a regular bitvector operator with bitvector result: bvshl: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-21 14:55:58,756 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: ERROR: ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl