./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/sin_interpolated_negation.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/sin_interpolated_negation.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 9fc903c4e042f1a917ff23806dc398a0ae6250449674c68af7855fc8b73da478 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 10:25:59,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 10:25:59,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 10:25:59,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 10:25:59,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 10:25:59,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 10:25:59,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 10:25:59,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 10:25:59,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 10:25:59,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 10:25:59,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 10:25:59,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 10:25:59,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 10:25:59,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 10:25:59,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 10:25:59,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 10:25:59,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 10:25:59,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 10:25:59,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 10:25:59,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 10:25:59,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 10:25:59,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 10:25:59,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 10:25:59,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 10:25:59,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 10:25:59,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 10:25:59,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 10:25:59,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 10:25:59,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 10:25:59,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 10:25:59,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 10:25:59,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 10:25:59,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 10:25:59,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 10:25:59,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 10:25:59,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 10:25:59,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 10:25:59,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 10:25:59,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 10:25:59,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 10:25:59,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 10:25:59,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 10:25:59,998 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 10:26:00,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 10:26:00,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 10:26:00,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 10:26:00,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 10:26:00,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 10:26:00,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 10:26:00,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 10:26:00,002 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 10:26:00,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 10:26:00,003 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 10:26:00,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 10:26:00,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 10:26:00,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 10:26:00,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 10:26:00,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 10:26:00,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 10:26:00,004 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 10:26:00,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 10:26:00,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 10:26:00,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 10:26:00,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 10:26:00,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 10:26:00,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 10:26:00,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:26:00,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 10:26:00,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 10:26:00,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 10:26:00,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 10:26:00,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 10:26:00,006 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 10:26:00,006 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 10:26:00,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 10:26:00,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 10:26:00,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fc903c4e042f1a917ff23806dc398a0ae6250449674c68af7855fc8b73da478 [2021-12-15 10:26:00,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 10:26:00,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 10:26:00,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 10:26:00,199 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 10:26:00,199 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 10:26:00,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_negation.c [2021-12-15 10:26:00,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54cf2718/d10b5b8b721542399432550714ff2eb3/FLAGf8af8085b [2021-12-15 10:26:00,587 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 10:26:00,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c [2021-12-15 10:26:00,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54cf2718/d10b5b8b721542399432550714ff2eb3/FLAGf8af8085b [2021-12-15 10:26:01,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54cf2718/d10b5b8b721542399432550714ff2eb3 [2021-12-15 10:26:01,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 10:26:01,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 10:26:01,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 10:26:01,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 10:26:01,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 10:26:01,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64135a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01, skipping insertion in model container [2021-12-15 10:26:01,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 10:26:01,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:26:01,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c[684,697] [2021-12-15 10:26:01,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:26:01,229 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 10:26:01,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c[684,697] [2021-12-15 10:26:01,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:26:01,278 INFO L208 MainTranslator]: Completed translation [2021-12-15 10:26:01,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01 WrapperNode [2021-12-15 10:26:01,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 10:26:01,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 10:26:01,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 10:26:01,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 10:26:01,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,317 INFO L137 Inliner]: procedures = 21, calls = 382, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 405 [2021-12-15 10:26:01,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 10:26:01,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 10:26:01,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 10:26:01,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 10:26:01,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 10:26:01,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 10:26:01,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 10:26:01,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 10:26:01,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:26:01,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 10:26:01,365 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) [2021-12-15 10:26:01,394 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 [2021-12-15 10:26:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 10:26:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-12-15 10:26:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-12-15 10:26:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 10:26:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-12-15 10:26:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-12-15 10:26:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-12-15 10:26:01,415 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-12-15 10:26:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-15 10:26:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure SIN [2021-12-15 10:26:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN [2021-12-15 10:26:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 10:26:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 10:26:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-15 10:26:01,480 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 10:26:01,482 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 10:26:01,728 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 10:26:01,733 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 10:26:01,733 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 10:26:01,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:26:01 BoogieIcfgContainer [2021-12-15 10:26:01,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 10:26:01,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 10:26:01,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 10:26:01,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 10:26:01,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:26:01" (1/3) ... [2021-12-15 10:26:01,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f158aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:26:01, skipping insertion in model container [2021-12-15 10:26:01,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (2/3) ... [2021-12-15 10:26:01,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f158aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:26:01, skipping insertion in model container [2021-12-15 10:26:01,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:26:01" (3/3) ... [2021-12-15 10:26:01,741 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_negation.c [2021-12-15 10:26:01,744 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 10:26:01,745 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 10:26:01,782 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 10:26:01,788 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 [2021-12-15 10:26:01,789 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 10:26:01,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-15 10:26:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-15 10:26:01,822 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:26:01,823 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:26:01,824 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:26:01,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:26:01,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1228543863, now seen corresponding path program 1 times [2021-12-15 10:26:01,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 10:26:01,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945962756] [2021-12-15 10:26:01,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:26:01,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 10:26:01,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 10:26:01,890 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2021-12-15 10:26:01,897 INFO L158 Benchmark]: Toolchain (without parser) took 860.19ms. Allocated memory is still 134.2MB. Free memory was 104.1MB in the beginning and 63.2MB in the end (delta: 40.9MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2021-12-15 10:26:01,898 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 88.1MB. Free memory was 44.3MB in the beginning and 44.2MB in the end (delta: 40.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:26:01,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.81ms. Allocated memory is still 134.2MB. Free memory was 104.1MB in the beginning and 100.6MB in the end (delta: 3.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-12-15 10:26:01,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.81ms. Allocated memory is still 134.2MB. Free memory was 100.6MB in the beginning and 95.9MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 10:26:01,901 INFO L158 Benchmark]: Boogie Preprocessor took 26.15ms. Allocated memory is still 134.2MB. Free memory was 95.9MB in the beginning and 92.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 10:26:01,901 INFO L158 Benchmark]: RCFGBuilder took 390.66ms. Allocated memory is still 134.2MB. Free memory was 92.6MB in the beginning and 72.8MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 10:26:01,906 INFO L158 Benchmark]: TraceAbstraction took 159.80ms. Allocated memory is still 134.2MB. Free memory was 72.4MB in the beginning and 63.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 10:26:01,911 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 88.1MB. Free memory was 44.3MB in the beginning and 44.2MB in the end (delta: 40.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.81ms. Allocated memory is still 134.2MB. Free memory was 104.1MB in the beginning and 100.6MB in the end (delta: 3.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.81ms. Allocated memory is still 134.2MB. Free memory was 100.6MB in the beginning and 95.9MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.15ms. Allocated memory is still 134.2MB. Free memory was 95.9MB in the beginning and 92.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.66ms. Allocated memory is still 134.2MB. Free memory was 92.6MB in the beginning and 72.8MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 159.80ms. Allocated memory is still 134.2MB. Free memory was 72.4MB in the beginning and 63.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 10:26:01,955 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/float-benchs/sin_interpolated_negation.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 9fc903c4e042f1a917ff23806dc398a0ae6250449674c68af7855fc8b73da478 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 10:26:03,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 10:26:03,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 10:26:03,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 10:26:03,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 10:26:03,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 10:26:03,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 10:26:03,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 10:26:03,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 10:26:03,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 10:26:03,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 10:26:03,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 10:26:03,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 10:26:03,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 10:26:03,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 10:26:03,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 10:26:03,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 10:26:03,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 10:26:03,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 10:26:03,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 10:26:03,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 10:26:03,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 10:26:03,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 10:26:03,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 10:26:03,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 10:26:03,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 10:26:03,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 10:26:03,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 10:26:03,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 10:26:03,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 10:26:03,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 10:26:03,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 10:26:03,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 10:26:03,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 10:26:03,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 10:26:03,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 10:26:03,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 10:26:03,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 10:26:03,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 10:26:03,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 10:26:03,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 10:26:03,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 10:26:03,922 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 10:26:03,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 10:26:03,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 10:26:03,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 10:26:03,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 10:26:03,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 10:26:03,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 10:26:03,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 10:26:03,926 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 10:26:03,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 10:26:03,927 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 10:26:03,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 10:26:03,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 10:26:03,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 10:26:03,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 10:26:03,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 10:26:03,928 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 10:26:03,928 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 10:26:03,929 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 10:26:03,929 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 10:26:03,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 10:26:03,929 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 10:26:03,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 10:26:03,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 10:26:03,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 10:26:03,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 10:26:03,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:26:03,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 10:26:03,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 10:26:03,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 10:26:03,931 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 10:26:03,932 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 10:26:03,932 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 10:26:03,932 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 10:26:03,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 10:26:03,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 10:26:03,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 10:26:03,933 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fc903c4e042f1a917ff23806dc398a0ae6250449674c68af7855fc8b73da478 [2021-12-15 10:26:04,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 10:26:04,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 10:26:04,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 10:26:04,245 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 10:26:04,246 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 10:26:04,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_negation.c [2021-12-15 10:26:04,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d625cae9c/cba3543893784413b98dad12deeeb6a4/FLAGa069d138a [2021-12-15 10:26:04,653 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 10:26:04,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c [2021-12-15 10:26:04,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d625cae9c/cba3543893784413b98dad12deeeb6a4/FLAGa069d138a [2021-12-15 10:26:05,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d625cae9c/cba3543893784413b98dad12deeeb6a4 [2021-12-15 10:26:05,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 10:26:05,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 10:26:05,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 10:26:05,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 10:26:05,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 10:26:05,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:26:05" (1/1) ... [2021-12-15 10:26:05,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41bc091c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:05, skipping insertion in model container [2021-12-15 10:26:05,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:26:05" (1/1) ... [2021-12-15 10:26:05,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 10:26:05,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:26:05,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c[684,697] [2021-12-15 10:26:05,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:26:05,354 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 10:26:05,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c[684,697] [2021-12-15 10:26:05,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:26:05,470 INFO L208 MainTranslator]: Completed translation [2021-12-15 10:26:05,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:05 WrapperNode [2021-12-15 10:26:05,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 10:26:05,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 10:26:05,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 10:26:05,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 10:26:05,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:05" (1/1) ... [2021-12-15 10:26:05,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:05" (1/1) ... [2021-12-15 10:26:05,546 INFO L137 Inliner]: procedures = 22, calls = 382, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 406 [2021-12-15 10:26:05,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 10:26:05,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 10:26:05,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 10:26:05,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 10:26:05,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:05" (1/1) ... [2021-12-15 10:26:05,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:05" (1/1) ... [2021-12-15 10:26:05,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:05" (1/1) ... [2021-12-15 10:26:05,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:05" (1/1) ... [2021-12-15 10:26:05,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:05" (1/1) ... [2021-12-15 10:26:05,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:05" (1/1) ... [2021-12-15 10:26:05,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:05" (1/1) ... [2021-12-15 10:26:05,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 10:26:05,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 10:26:05,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 10:26:05,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 10:26:05,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:05" (1/1) ... [2021-12-15 10:26:05,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:26:05,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 10:26:05,690 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) [2021-12-15 10:26:05,693 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 [2021-12-15 10:26:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 10:26:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-15 10:26:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-12-15 10:26:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-12-15 10:26:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 10:26:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-12-15 10:26:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-12-15 10:26:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-12-15 10:26:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-12-15 10:26:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-12-15 10:26:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure SIN [2021-12-15 10:26:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN [2021-12-15 10:26:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 10:26:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 10:26:05,801 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 10:26:05,802 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 10:26:11,023 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 10:26:11,027 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 10:26:11,027 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 10:26:11,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:26:11 BoogieIcfgContainer [2021-12-15 10:26:11,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 10:26:11,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 10:26:11,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 10:26:11,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 10:26:11,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:26:05" (1/3) ... [2021-12-15 10:26:11,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9bd7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:26:11, skipping insertion in model container [2021-12-15 10:26:11,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:05" (2/3) ... [2021-12-15 10:26:11,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9bd7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:26:11, skipping insertion in model container [2021-12-15 10:26:11,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:26:11" (3/3) ... [2021-12-15 10:26:11,036 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_negation.c [2021-12-15 10:26:11,040 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 10:26:11,040 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 10:26:11,088 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 10:26:11,094 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 [2021-12-15 10:26:11,095 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 10:26:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-15 10:26:11,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-15 10:26:11,110 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:26:11,111 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:26:11,111 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:26:11,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:26:11,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1228543863, now seen corresponding path program 1 times [2021-12-15 10:26:11,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 10:26:11,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324375593] [2021-12-15 10:26:11,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:26:11,128 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 10:26:11,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 10:26:11,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 10:26:11,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 10:26:11,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 10:26:11,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 10:26:11,454 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2021-12-15 10:26:11,458 INFO L158 Benchmark]: Toolchain (without parser) took 6395.99ms. Allocated memory was 52.4MB in the beginning and 109.1MB in the end (delta: 56.6MB). Free memory was 29.2MB in the beginning and 81.4MB in the end (delta: -52.2MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2021-12-15 10:26:11,459 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory was 34.6MB in the beginning and 34.6MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:26:11,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.52ms. Allocated memory was 52.4MB in the beginning and 77.6MB in the end (delta: 25.2MB). Free memory was 29.0MB in the beginning and 46.1MB in the end (delta: -17.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2021-12-15 10:26:11,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.75ms. Allocated memory is still 77.6MB. Free memory was 46.1MB in the beginning and 41.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 10:26:11,461 INFO L158 Benchmark]: Boogie Preprocessor took 68.55ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 57.0MB in the end (delta: -15.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-12-15 10:26:11,462 INFO L158 Benchmark]: RCFGBuilder took 5408.96ms. Allocated memory was 77.6MB in the beginning and 109.1MB in the end (delta: 31.5MB). Free memory was 57.0MB in the beginning and 66.1MB in the end (delta: -9.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-12-15 10:26:11,462 INFO L158 Benchmark]: TraceAbstraction took 427.01ms. Allocated memory is still 109.1MB. Free memory was 65.5MB in the beginning and 81.4MB in the end (delta: -15.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-12-15 10:26:11,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory was 34.6MB in the beginning and 34.6MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.52ms. Allocated memory was 52.4MB in the beginning and 77.6MB in the end (delta: 25.2MB). Free memory was 29.0MB in the beginning and 46.1MB in the end (delta: -17.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.75ms. Allocated memory is still 77.6MB. Free memory was 46.1MB in the beginning and 41.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.55ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 57.0MB in the end (delta: -15.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * RCFGBuilder took 5408.96ms. Allocated memory was 77.6MB in the beginning and 109.1MB in the end (delta: 31.5MB). Free memory was 57.0MB in the beginning and 66.1MB in the end (delta: -9.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * TraceAbstraction took 427.01ms. Allocated memory is still 109.1MB. Free memory was 65.5MB in the beginning and 81.4MB in the end (delta: -15.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 10:26:11,531 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: UnsupportedOperationException: Set is immutable