./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/square_4+soft_float_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_4+soft_float_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 52e7e3a0d80d0519558794c69b54bf5c07c5549c1d780651d891121aff50735c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 14:55:41,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 14:55:41,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 14:55:41,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 14:55:41,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 14:55:41,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 14:55:41,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 14:55:41,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 14:55:41,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 14:55:41,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 14:55:41,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 14:55:41,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 14:55:41,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 14:55:41,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 14:55:41,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 14:55:41,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 14:55:41,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 14:55:41,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 14:55:41,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 14:55:41,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 14:55:41,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 14:55:41,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 14:55:41,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 14:55:41,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 14:55:41,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 14:55:41,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 14:55:41,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 14:55:41,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 14:55:41,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 14:55:41,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 14:55:41,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 14:55:41,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 14:55:41,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 14:55:41,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 14:55:41,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 14:55:41,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 14:55:41,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 14:55:41,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 14:55:41,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 14:55:41,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 14:55:41,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 14:55:41,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 14:55:41,767 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 14:55:41,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 14:55:41,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 14:55:41,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 14:55:41,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 14:55:41,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 14:55:41,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 14:55:41,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 14:55:41,772 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 14:55:41,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 14:55:41,773 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 14:55:41,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 14:55:41,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 14:55:41,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 14:55:41,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 14:55:41,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 14:55:41,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 14:55:41,774 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 14:55:41,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 14:55:41,774 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 14:55:41,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 14:55:41,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 14:55:41,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 14:55:41,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 14:55:41,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 14:55:41,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 14:55:41,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 14:55:41,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 14:55:41,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 14:55:41,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 14:55:41,776 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 14:55:41,776 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 14:55:41,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 14:55:41,776 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 14:55:41,776 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52e7e3a0d80d0519558794c69b54bf5c07c5549c1d780651d891121aff50735c [2021-12-21 14:55:41,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 14:55:41,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 14:55:41,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 14:55:41,960 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 14:55:41,961 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 14:55:41,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c [2021-12-21 14:55:42,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb83de3f/577ddffc50f64501b9ab61a8323642fb/FLAGcf2e8f79d [2021-12-21 14:55:42,379 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 14:55:42,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c [2021-12-21 14:55:42,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb83de3f/577ddffc50f64501b9ab61a8323642fb/FLAGcf2e8f79d [2021-12-21 14:55:42,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb83de3f/577ddffc50f64501b9ab61a8323642fb [2021-12-21 14:55:42,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 14:55:42,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 14:55:42,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 14:55:42,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 14:55:42,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 14:55:42,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:55:42" (1/1) ... [2021-12-21 14:55:42,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55cef5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:42, skipping insertion in model container [2021-12-21 14:55:42,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:55:42" (1/1) ... [2021-12-21 14:55:42,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 14:55:42,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 14:55:42,974 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_4+soft_float_3a.c.cil.c[1999,2012] [2021-12-21 14:55:42,979 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_4+soft_float_3a.c.cil.c[2368,2381] [2021-12-21 14:55:43,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 14:55:43,036 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 14:55:43,060 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_4+soft_float_3a.c.cil.c[1999,2012] [2021-12-21 14:55:43,062 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_4+soft_float_3a.c.cil.c[2368,2381] [2021-12-21 14:55:43,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 14:55:43,101 INFO L208 MainTranslator]: Completed translation [2021-12-21 14:55:43,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:43 WrapperNode [2021-12-21 14:55:43,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 14:55:43,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 14:55:43,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 14:55:43,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 14:55:43,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:43" (1/1) ... [2021-12-21 14:55:43,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:43" (1/1) ... [2021-12-21 14:55:43,143 INFO L137 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 133 [2021-12-21 14:55:43,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 14:55:43,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 14:55:43,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 14:55:43,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 14:55:43,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:43" (1/1) ... [2021-12-21 14:55:43,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:43" (1/1) ... [2021-12-21 14:55:43,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:43" (1/1) ... [2021-12-21 14:55:43,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:43" (1/1) ... [2021-12-21 14:55:43,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:43" (1/1) ... [2021-12-21 14:55:43,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:43" (1/1) ... [2021-12-21 14:55:43,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:43" (1/1) ... [2021-12-21 14:55:43,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 14:55:43,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 14:55:43,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 14:55:43,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 14:55:43,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:43" (1/1) ... [2021-12-21 14:55:43,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 14:55:43,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 14:55:43,187 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 14:55:43,188 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 14:55:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 14:55:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-12-21 14:55:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-12-21 14:55:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 14:55:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 14:55:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 14:55:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-21 14:55:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-21 14:55:43,261 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 14:55:43,262 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 14:55:43,459 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 14:55:43,476 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 14:55:43,476 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 14:55:43,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:55:43 BoogieIcfgContainer [2021-12-21 14:55:43,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 14:55:43,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 14:55:43,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 14:55:43,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 14:55:43,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 02:55:42" (1/3) ... [2021-12-21 14:55:43,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab2e4f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 02:55:43, skipping insertion in model container [2021-12-21 14:55:43,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:43" (2/3) ... [2021-12-21 14:55:43,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab2e4f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 02:55:43, skipping insertion in model container [2021-12-21 14:55:43,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:55:43" (3/3) ... [2021-12-21 14:55:43,483 INFO L111 eAbstractionObserver]: Analyzing ICFG square_4+soft_float_3a.c.cil.c [2021-12-21 14:55:43,497 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 14:55:43,497 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 14:55:43,547 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 14:55:43,562 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 14:55:43,563 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-21 14:55:43,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 50 states have (on average 1.56) internal successors, (78), 53 states have internal predecessors, (78), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-21 14:55:43,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-21 14:55:43,588 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 14:55:43,589 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:55:43,589 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 14:55:43,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:55:43,597 INFO L85 PathProgramCache]: Analyzing trace with hash -548115930, now seen corresponding path program 1 times [2021-12-21 14:55:43,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:55:43,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86184210] [2021-12-21 14:55:43,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:55:43,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:55:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:55:43,750 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 14:55:43,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 14:55:43,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86184210] [2021-12-21 14:55:43,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86184210] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 14:55:43,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 14:55:43,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 14:55:43,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718267171] [2021-12-21 14:55:43,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 14:55:43,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 14:55:43,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 14:55:43,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 14:55:43,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 14:55:43,783 INFO L87 Difference]: Start difference. First operand has 60 states, 50 states have (on average 1.56) internal successors, (78), 53 states have internal predecessors, (78), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) 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 14:55:43,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 14:55:43,810 INFO L93 Difference]: Finished difference Result 115 states and 173 transitions. [2021-12-21 14:55:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 14:55:43,812 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 14:55:43,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 14:55:43,819 INFO L225 Difference]: With dead ends: 115 [2021-12-21 14:55:43,820 INFO L226 Difference]: Without dead ends: 51 [2021-12-21 14:55:43,822 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 14:55:43,825 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 14:55:43,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 14:55:43,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-12-21 14:55:43,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-12-21 14:55:43,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 44 states have internal predecessors, (61), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 14:55:43,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 70 transitions. [2021-12-21 14:55:43,856 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 70 transitions. Word has length 7 [2021-12-21 14:55:43,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 14:55:43,856 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 70 transitions. [2021-12-21 14:55:43,857 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 14:55:43,857 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2021-12-21 14:55:43,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-21 14:55:43,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 14:55:43,857 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:55:43,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 14:55:43,858 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 14:55:43,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:55:43,859 INFO L85 PathProgramCache]: Analyzing trace with hash -548056348, now seen corresponding path program 1 times [2021-12-21 14:55:43,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:55:43,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336852225] [2021-12-21 14:55:43,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:55:43,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:55:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 14:55:43,871 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 14:55:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 14:55:43,914 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 14:55:43,915 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 14:55:43,916 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-12-21 14:55:43,917 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-21 14:55:43,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 14:55:43,920 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-21 14:55:43,922 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 14:55:43,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 02:55:43 BoogieIcfgContainer [2021-12-21 14:55:43,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 14:55:43,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 14:55:43,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 14:55:43,938 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 14:55:43,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:55:43" (3/4) ... [2021-12-21 14:55:43,941 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 14:55:43,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 14:55:43,941 INFO L158 Benchmark]: Toolchain (without parser) took 1147.30ms. Allocated memory is still 96.5MB. Free memory was 63.9MB in the beginning and 71.6MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 14:55:43,942 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 79.7MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 14:55:43,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.01ms. Allocated memory is still 96.5MB. Free memory was 63.7MB in the beginning and 70.0MB in the end (delta: -6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 14:55:43,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.01ms. Allocated memory is still 96.5MB. Free memory was 70.0MB in the beginning and 68.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 14:55:43,943 INFO L158 Benchmark]: Boogie Preprocessor took 16.90ms. Allocated memory is still 96.5MB. Free memory was 68.4MB in the beginning and 67.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 14:55:43,943 INFO L158 Benchmark]: RCFGBuilder took 315.70ms. Allocated memory is still 96.5MB. Free memory was 67.0MB in the beginning and 52.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 14:55:43,944 INFO L158 Benchmark]: TraceAbstraction took 458.52ms. Allocated memory is still 96.5MB. Free memory was 52.1MB in the beginning and 71.6MB in the end (delta: -19.4MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2021-12-21 14:55:43,944 INFO L158 Benchmark]: Witness Printer took 2.88ms. Allocated memory is still 96.5MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 14:55:43,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 79.7MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.01ms. Allocated memory is still 96.5MB. Free memory was 63.7MB in the beginning and 70.0MB in the end (delta: -6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.01ms. Allocated memory is still 96.5MB. Free memory was 70.0MB in the beginning and 68.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.90ms. Allocated memory is still 96.5MB. Free memory was 68.4MB in the beginning and 67.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 315.70ms. Allocated memory is still 96.5MB. Free memory was 67.0MB in the beginning and 52.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 458.52ms. Allocated memory is still 96.5MB. Free memory was 52.1MB in the beginning and 71.6MB in the end (delta: -19.4MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Witness Printer took 2.88ms. Allocated memory is still 96.5MB. Free memory is still 71.6MB. 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: [L320] COND TRUE __VERIFIER_nondet_int() [L321] 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 < 1.39844f) 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 3 procedures, 60 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, 81 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, 81 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=60occurred 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 14:55:43,992 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_4+soft_float_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 52e7e3a0d80d0519558794c69b54bf5c07c5549c1d780651d891121aff50735c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 14:55:46,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 14:55:46,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 14:55:46,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 14:55:46,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 14:55:46,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 14:55:46,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 14:55:46,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 14:55:46,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 14:55:46,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 14:55:46,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 14:55:46,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 14:55:46,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 14:55:46,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 14:55:46,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 14:55:46,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 14:55:46,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 14:55:46,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 14:55:46,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 14:55:46,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 14:55:46,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 14:55:46,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 14:55:46,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 14:55:46,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 14:55:46,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 14:55:46,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 14:55:46,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 14:55:46,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 14:55:46,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 14:55:46,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 14:55:46,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 14:55:46,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 14:55:46,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 14:55:46,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 14:55:46,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 14:55:46,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 14:55:46,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 14:55:46,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 14:55:46,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 14:55:46,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 14:55:46,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 14:55:46,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 14:55:46,138 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 14:55:46,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 14:55:46,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 14:55:46,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 14:55:46,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 14:55:46,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 14:55:46,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 14:55:46,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 14:55:46,142 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 14:55:46,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 14:55:46,143 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 14:55:46,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 14:55:46,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 14:55:46,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 14:55:46,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 14:55:46,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 14:55:46,144 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 14:55:46,145 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 14:55:46,145 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 14:55:46,145 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 14:55:46,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 14:55:46,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 14:55:46,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 14:55:46,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 14:55:46,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 14:55:46,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 14:55:46,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 14:55:46,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 14:55:46,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 14:55:46,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 14:55:46,147 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 14:55:46,147 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 14:55:46,147 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 14:55:46,147 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 14:55:46,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 14:55:46,148 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 14:55:46,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 14:55:46,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52e7e3a0d80d0519558794c69b54bf5c07c5549c1d780651d891121aff50735c [2021-12-21 14:55:46,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 14:55:46,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 14:55:46,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 14:55:46,486 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 14:55:46,487 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 14:55:46,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c [2021-12-21 14:55:46,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7639407c5/245cbd5db34746eb81853a9f16d8cc1d/FLAG1a444c3ce [2021-12-21 14:55:46,923 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 14:55:46,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c [2021-12-21 14:55:46,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7639407c5/245cbd5db34746eb81853a9f16d8cc1d/FLAG1a444c3ce [2021-12-21 14:55:46,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7639407c5/245cbd5db34746eb81853a9f16d8cc1d [2021-12-21 14:55:46,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 14:55:46,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 14:55:46,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 14:55:46,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 14:55:46,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 14:55:46,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:55:46" (1/1) ... [2021-12-21 14:55:46,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a689f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:46, skipping insertion in model container [2021-12-21 14:55:46,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:55:46" (1/1) ... [2021-12-21 14:55:46,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 14:55:46,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 14:55:47,092 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_4+soft_float_3a.c.cil.c[1999,2012] [2021-12-21 14:55:47,099 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_4+soft_float_3a.c.cil.c[2368,2381] [2021-12-21 14:55:47,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 14:55:47,188 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 14:55:47,204 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_4+soft_float_3a.c.cil.c[1999,2012] [2021-12-21 14:55:47,206 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_4+soft_float_3a.c.cil.c[2368,2381] [2021-12-21 14:55:47,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 14:55:47,240 INFO L208 MainTranslator]: Completed translation [2021-12-21 14:55:47,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:47 WrapperNode [2021-12-21 14:55:47,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 14:55:47,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 14:55:47,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 14:55:47,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 14:55:47,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:47" (1/1) ... [2021-12-21 14:55:47,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:47" (1/1) ... [2021-12-21 14:55:47,282 INFO L137 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 129 [2021-12-21 14:55:47,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 14:55:47,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 14:55:47,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 14:55:47,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 14:55:47,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:47" (1/1) ... [2021-12-21 14:55:47,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:47" (1/1) ... [2021-12-21 14:55:47,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:47" (1/1) ... [2021-12-21 14:55:47,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:47" (1/1) ... [2021-12-21 14:55:47,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:47" (1/1) ... [2021-12-21 14:55:47,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:47" (1/1) ... [2021-12-21 14:55:47,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:47" (1/1) ... [2021-12-21 14:55:47,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 14:55:47,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 14:55:47,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 14:55:47,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 14:55:47,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:55:47" (1/1) ... [2021-12-21 14:55:47,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 14:55:47,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 14:55:47,382 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 14:55:47,400 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 14:55:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 14:55:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 14:55:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-12-21 14:55:47,414 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-12-21 14:55:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 14:55:47,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 14:55:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-21 14:55:47,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-21 14:55:47,512 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 14:55:47,513 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 14:55:47,586 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 14:55:47,622 INFO L158 Benchmark]: Toolchain (without parser) took 677.09ms. Allocated memory was 48.2MB in the beginning and 67.1MB in the end (delta: 18.9MB). Free memory was 23.3MB in the beginning and 34.5MB in the end (delta: -11.2MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2021-12-21 14:55:47,623 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 48.2MB. Free memory was 30.0MB in the beginning and 29.9MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 14:55:47,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.44ms. Allocated memory was 48.2MB in the beginning and 67.1MB in the end (delta: 18.9MB). Free memory was 23.2MB in the beginning and 46.1MB in the end (delta: -22.9MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-12-21 14:55:47,624 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.71ms. Allocated memory is still 67.1MB. Free memory was 46.1MB in the beginning and 44.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 14:55:47,624 INFO L158 Benchmark]: Boogie Preprocessor took 58.59ms. Allocated memory is still 67.1MB. Free memory was 43.9MB in the beginning and 42.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 14:55:47,625 INFO L158 Benchmark]: RCFGBuilder took 277.96ms. Allocated memory is still 67.1MB. Free memory was 42.4MB in the beginning and 34.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 14:55:47,627 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 48.2MB. Free memory was 30.0MB in the beginning and 29.9MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.44ms. Allocated memory was 48.2MB in the beginning and 67.1MB in the end (delta: 18.9MB). Free memory was 23.2MB in the beginning and 46.1MB in the end (delta: -22.9MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.71ms. Allocated memory is still 67.1MB. Free memory was 46.1MB in the beginning and 44.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.59ms. Allocated memory is still 67.1MB. Free memory was 43.9MB in the beginning and 42.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 277.96ms. Allocated memory is still 67.1MB. Free memory was 42.4MB in the beginning and 34.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. 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 14:55:47,693 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