./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/square_8+soft_float_1-2a.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_8+soft_float_1-2a.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 be176f230c0ddf2a166ae209d5d0fb467abe0ece694096a2cf73b073fb0117ce --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 14:55:59,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 14:55:59,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 14:55:59,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 14:55:59,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 14:55:59,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 14:55:59,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 14:55:59,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 14:55:59,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 14:55:59,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 14:55:59,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 14:55:59,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 14:55:59,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 14:55:59,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 14:55:59,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 14:55:59,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 14:55:59,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 14:55:59,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 14:55:59,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 14:55:59,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 14:55:59,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 14:55:59,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 14:55:59,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 14:55:59,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 14:55:59,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 14:55:59,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 14:55:59,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 14:55:59,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 14:55:59,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 14:55:59,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 14:55:59,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 14:55:59,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 14:55:59,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 14:55:59,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 14:55:59,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 14:55:59,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 14:55:59,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 14:55:59,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 14:55:59,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 14:55:59,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 14:55:59,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 14:55:59,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 14:55:59,346 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 14:55:59,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 14:55:59,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 14:55:59,347 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 14:55:59,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 14:55:59,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 14:55:59,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 14:55:59,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 14:55:59,348 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 14:55:59,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 14:55:59,349 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 14:55:59,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 14:55:59,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 14:55:59,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 14:55:59,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 14:55:59,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 14:55:59,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 14:55:59,350 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 14:55:59,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 14:55:59,351 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 14:55:59,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 14:55:59,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 14:55:59,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 14:55:59,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 14:55:59,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 14:55:59,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 14:55:59,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 14:55:59,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 14:55:59,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 14:55:59,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 14:55:59,353 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 14:55:59,353 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 14:55:59,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 14:55:59,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 14:55:59,353 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be176f230c0ddf2a166ae209d5d0fb467abe0ece694096a2cf73b073fb0117ce [2021-12-21 14:55:59,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 14:55:59,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 14:55:59,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 14:55:59,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 14:55:59,572 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 14:55:59,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c [2021-12-21 14:55:59,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddf7354ec/257d98cbb6cc44b0a1cae8a25fc399d9/FLAG87b3d47a0 [2021-12-21 14:56:00,049 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 14:56:00,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c [2021-12-21 14:56:00,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddf7354ec/257d98cbb6cc44b0a1cae8a25fc399d9/FLAG87b3d47a0 [2021-12-21 14:56:00,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddf7354ec/257d98cbb6cc44b0a1cae8a25fc399d9 [2021-12-21 14:56:00,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 14:56:00,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 14:56:00,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 14:56:00,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 14:56:00,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 14:56:00,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:56:00" (1/1) ... [2021-12-21 14:56:00,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426c1b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:00, skipping insertion in model container [2021-12-21 14:56:00,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:56:00" (1/1) ... [2021-12-21 14:56:00,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 14:56:00,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 14:56:00,302 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_8+soft_float_1-2a.c.cil.c[1995,2008] [2021-12-21 14:56:00,307 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_8+soft_float_1-2a.c.cil.c[2389,2402] [2021-12-21 14:56:00,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 14:56:00,405 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 14:56:00,442 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_8+soft_float_1-2a.c.cil.c[1995,2008] [2021-12-21 14:56:00,445 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_8+soft_float_1-2a.c.cil.c[2389,2402] [2021-12-21 14:56:00,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 14:56:00,510 INFO L208 MainTranslator]: Completed translation [2021-12-21 14:56:00,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:00 WrapperNode [2021-12-21 14:56:00,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 14:56:00,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 14:56:00,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 14:56:00,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 14:56:00,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:00" (1/1) ... [2021-12-21 14:56:00,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:00" (1/1) ... [2021-12-21 14:56:00,541 INFO L137 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2021-12-21 14:56:00,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 14:56:00,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 14:56:00,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 14:56:00,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 14:56:00,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:00" (1/1) ... [2021-12-21 14:56:00,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:00" (1/1) ... [2021-12-21 14:56:00,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:00" (1/1) ... [2021-12-21 14:56:00,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:00" (1/1) ... [2021-12-21 14:56:00,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:00" (1/1) ... [2021-12-21 14:56:00,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:00" (1/1) ... [2021-12-21 14:56:00,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:00" (1/1) ... [2021-12-21 14:56:00,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 14:56:00,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 14:56:00,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 14:56:00,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 14:56:00,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:00" (1/1) ... [2021-12-21 14:56:00,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 14:56:00,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 14:56:00,619 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 14:56:00,634 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 14:56:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 14:56:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-12-21 14:56:00,647 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-12-21 14:56:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 14:56:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 14:56:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 14:56:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-21 14:56:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-21 14:56:00,696 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 14:56:00,697 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 14:56:00,975 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 14:56:00,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 14:56:00,990 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 14:56:00,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:56:00 BoogieIcfgContainer [2021-12-21 14:56:00,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 14:56:00,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 14:56:00,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 14:56:01,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 14:56:01,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 02:56:00" (1/3) ... [2021-12-21 14:56:01,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d204c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 02:56:01, skipping insertion in model container [2021-12-21 14:56:01,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:00" (2/3) ... [2021-12-21 14:56:01,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d204c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 02:56:01, skipping insertion in model container [2021-12-21 14:56:01,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:56:00" (3/3) ... [2021-12-21 14:56:01,003 INFO L111 eAbstractionObserver]: Analyzing ICFG square_8+soft_float_1-2a.c.cil.c [2021-12-21 14:56:01,007 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 14:56:01,007 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 14:56:01,039 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 14:56:01,044 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 14:56:01,045 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-21 14:56:01,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 68 states have (on average 1.588235294117647) internal successors, (108), 72 states have internal predecessors, (108), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-21 14:56:01,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-21 14:56:01,060 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 14:56:01,060 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:56:01,061 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 14:56:01,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:56:01,064 INFO L85 PathProgramCache]: Analyzing trace with hash -548115930, now seen corresponding path program 1 times [2021-12-21 14:56:01,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:56:01,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620306230] [2021-12-21 14:56:01,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:56:01,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:56:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:56:01,170 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 14:56:01,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 14:56:01,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620306230] [2021-12-21 14:56:01,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620306230] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 14:56:01,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 14:56:01,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 14:56:01,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874606878] [2021-12-21 14:56:01,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 14:56:01,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 14:56:01,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 14:56:01,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 14:56:01,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 14:56:01,197 INFO L87 Difference]: Start difference. First operand has 81 states, 68 states have (on average 1.588235294117647) internal successors, (108), 72 states have internal predecessors, (108), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) 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 14:56:01,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 14:56:01,220 INFO L93 Difference]: Finished difference Result 157 states and 248 transitions. [2021-12-21 14:56:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 14:56:01,222 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 14:56:01,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 14:56:01,228 INFO L225 Difference]: With dead ends: 157 [2021-12-21 14:56:01,228 INFO L226 Difference]: Without dead ends: 74 [2021-12-21 14:56:01,231 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 14:56:01,234 INFO L933 BasicCegarLoop]: 116 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, 116 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 14:56:01,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 14:56:01,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-12-21 14:56:01,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-12-21 14:56:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 62 states have (on average 1.4838709677419355) internal successors, (92), 65 states have internal predecessors, (92), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-21 14:56:01,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 107 transitions. [2021-12-21 14:56:01,264 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 107 transitions. Word has length 7 [2021-12-21 14:56:01,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 14:56:01,265 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 107 transitions. [2021-12-21 14:56:01,265 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 14:56:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2021-12-21 14:56:01,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-21 14:56:01,266 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 14:56:01,266 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:56:01,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 14:56:01,266 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 14:56:01,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:56:01,267 INFO L85 PathProgramCache]: Analyzing trace with hash -548056348, now seen corresponding path program 1 times [2021-12-21 14:56:01,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:56:01,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271702] [2021-12-21 14:56:01,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:56:01,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:56:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 14:56:01,278 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 14:56:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 14:56:01,296 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 14:56:01,297 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 14:56:01,298 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-12-21 14:56:01,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-21 14:56:01,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 14:56:01,304 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-21 14:56:01,306 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 14:56:01,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 02:56:01 BoogieIcfgContainer [2021-12-21 14:56:01,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 14:56:01,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 14:56:01,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 14:56:01,329 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 14:56:01,330 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:56:00" (3/4) ... [2021-12-21 14:56:01,332 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 14:56:01,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 14:56:01,334 INFO L158 Benchmark]: Toolchain (without parser) took 1257.62ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 75.4MB in the beginning and 83.2MB in the end (delta: -7.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2021-12-21 14:56:01,334 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 14:56:01,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.55ms. Allocated memory is still 104.9MB. Free memory was 75.2MB in the beginning and 76.0MB in the end (delta: -860.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 14:56:01,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.05ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 73.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 14:56:01,338 INFO L158 Benchmark]: Boogie Preprocessor took 25.31ms. Allocated memory is still 104.9MB. Free memory was 73.8MB in the beginning and 72.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 14:56:01,338 INFO L158 Benchmark]: RCFGBuilder took 424.49ms. Allocated memory is still 104.9MB. Free memory was 72.2MB in the beginning and 56.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-21 14:56:01,339 INFO L158 Benchmark]: TraceAbstraction took 330.56ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 56.3MB in the beginning and 84.0MB in the end (delta: -27.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 14:56:01,339 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 125.8MB. Free memory was 83.8MB in the beginning and 83.2MB in the end (delta: 610.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 14:56:01,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.55ms. Allocated memory is still 104.9MB. Free memory was 75.2MB in the beginning and 76.0MB in the end (delta: -860.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.05ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 73.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.31ms. Allocated memory is still 104.9MB. Free memory was 73.8MB in the beginning and 72.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 424.49ms. Allocated memory is still 104.9MB. Free memory was 72.2MB in the beginning and 56.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 330.56ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 56.3MB in the beginning and 84.0MB in the end (delta: -27.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 125.8MB. Free memory was 83.8MB in the beginning and 83.2MB in the end (delta: 610.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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: [L403] COND TRUE __VERIFIER_nondet_int() [L404] 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 < 1.5f) VAL [IN=49, x=49] [L48] reach_error() VAL [IN=49, x=49] - UnprovableResult [Line: 61]: 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, 81 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 116 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, 116 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=81occurred 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 14:56:01,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/combinations/square_8+soft_float_1-2a.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 be176f230c0ddf2a166ae209d5d0fb467abe0ece694096a2cf73b073fb0117ce --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 14:56:03,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 14:56:03,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 14:56:03,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 14:56:03,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 14:56:03,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 14:56:03,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 14:56:03,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 14:56:03,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 14:56:03,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 14:56:03,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 14:56:03,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 14:56:03,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 14:56:03,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 14:56:03,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 14:56:03,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 14:56:03,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 14:56:03,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 14:56:03,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 14:56:03,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 14:56:03,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 14:56:03,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 14:56:03,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 14:56:03,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 14:56:03,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 14:56:03,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 14:56:03,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 14:56:03,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 14:56:03,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 14:56:03,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 14:56:03,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 14:56:03,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 14:56:03,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 14:56:03,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 14:56:03,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 14:56:03,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 14:56:03,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 14:56:03,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 14:56:03,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 14:56:03,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 14:56:03,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 14:56:03,227 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 14:56:03,242 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 14:56:03,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 14:56:03,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 14:56:03,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 14:56:03,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 14:56:03,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 14:56:03,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 14:56:03,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 14:56:03,244 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 14:56:03,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 14:56:03,244 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 14:56:03,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 14:56:03,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 14:56:03,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 14:56:03,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 14:56:03,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 14:56:03,245 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 14:56:03,245 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 14:56:03,246 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 14:56:03,246 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 14:56:03,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 14:56:03,246 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 14:56:03,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 14:56:03,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 14:56:03,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 14:56:03,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 14:56:03,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 14:56:03,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 14:56:03,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 14:56:03,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 14:56:03,248 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 14:56:03,248 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 14:56:03,248 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 14:56:03,248 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 14:56:03,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 14:56:03,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 14:56:03,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 14:56:03,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be176f230c0ddf2a166ae209d5d0fb467abe0ece694096a2cf73b073fb0117ce [2021-12-21 14:56:03,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 14:56:03,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 14:56:03,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 14:56:03,550 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 14:56:03,551 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 14:56:03,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c [2021-12-21 14:56:03,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71361532/39f43995b6c244ae958338619e4f4f92/FLAG122c203fd [2021-12-21 14:56:04,078 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 14:56:04,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c [2021-12-21 14:56:04,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71361532/39f43995b6c244ae958338619e4f4f92/FLAG122c203fd [2021-12-21 14:56:04,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71361532/39f43995b6c244ae958338619e4f4f92 [2021-12-21 14:56:04,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 14:56:04,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 14:56:04,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 14:56:04,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 14:56:04,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 14:56:04,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:56:04" (1/1) ... [2021-12-21 14:56:04,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b89ac65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:04, skipping insertion in model container [2021-12-21 14:56:04,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:56:04" (1/1) ... [2021-12-21 14:56:04,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 14:56:04,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 14:56:04,597 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_8+soft_float_1-2a.c.cil.c[1995,2008] [2021-12-21 14:56:04,600 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_8+soft_float_1-2a.c.cil.c[2389,2402] [2021-12-21 14:56:04,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 14:56:04,639 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 14:56:04,697 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_8+soft_float_1-2a.c.cil.c[1995,2008] [2021-12-21 14:56:04,701 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_8+soft_float_1-2a.c.cil.c[2389,2402] [2021-12-21 14:56:04,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 14:56:04,750 INFO L208 MainTranslator]: Completed translation [2021-12-21 14:56:04,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:04 WrapperNode [2021-12-21 14:56:04,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 14:56:04,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 14:56:04,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 14:56:04,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 14:56:04,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:04" (1/1) ... [2021-12-21 14:56:04,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:04" (1/1) ... [2021-12-21 14:56:04,803 INFO L137 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 165 [2021-12-21 14:56:04,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 14:56:04,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 14:56:04,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 14:56:04,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 14:56:04,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:04" (1/1) ... [2021-12-21 14:56:04,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:04" (1/1) ... [2021-12-21 14:56:04,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:04" (1/1) ... [2021-12-21 14:56:04,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:04" (1/1) ... [2021-12-21 14:56:04,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:04" (1/1) ... [2021-12-21 14:56:04,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:04" (1/1) ... [2021-12-21 14:56:04,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:04" (1/1) ... [2021-12-21 14:56:04,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 14:56:04,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 14:56:04,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 14:56:04,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 14:56:04,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:56:04" (1/1) ... [2021-12-21 14:56:04,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 14:56:04,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 14:56:04,878 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 14:56:04,885 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 14:56:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 14:56:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 14:56:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-12-21 14:56:04,911 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-12-21 14:56:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 14:56:04,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 14:56:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-21 14:56:04,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-21 14:56:04,985 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 14:56:04,986 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 14:56:05,062 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 14:56:05,073 INFO L158 Benchmark]: Toolchain (without parser) took 635.23ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 34.1MB in the end (delta: 11.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-12-21 14:56:05,074 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 14:56:05,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.18ms. Allocated memory is still 65.0MB. Free memory was 45.8MB in the beginning and 45.8MB in the end (delta: -45.6kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 14:56:05,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.04ms. Allocated memory is still 65.0MB. Free memory was 45.8MB in the beginning and 43.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 14:56:05,075 INFO L158 Benchmark]: Boogie Preprocessor took 48.75ms. Allocated memory is still 65.0MB. Free memory was 43.8MB in the beginning and 42.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 14:56:05,076 INFO L158 Benchmark]: RCFGBuilder took 218.05ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 34.1MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 14:56:05,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.18ms. Allocated memory is still 65.0MB. Free memory was 45.8MB in the beginning and 45.8MB in the end (delta: -45.6kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.04ms. Allocated memory is still 65.0MB. Free memory was 45.8MB in the beginning and 43.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.75ms. Allocated memory is still 65.0MB. Free memory was 43.8MB in the beginning and 42.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 218.05ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 34.1MB in the end (delta: 7.6MB). 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 14:56:05,108 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