./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.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/nla-digbench-scaling/geo1-u_valuebound50.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 19f012d1196298e1f96209f85f7789e5e4a3317d14bda6693f5031f7a8a701f8 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:01:23,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:01:23,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:01:23,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:01:23,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:01:23,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:01:23,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:01:23,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:01:23,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:01:23,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:01:23,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:01:23,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:01:23,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:01:23,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:01:23,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:01:23,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:01:23,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:01:23,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:01:23,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:01:23,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:01:23,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:01:23,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:01:23,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:01:23,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:01:23,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:01:23,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:01:23,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:01:23,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:01:23,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:01:23,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:01:23,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:01:23,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:01:23,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:01:23,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:01:23,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:01:23,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:01:23,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:01:23,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:01:23,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:01:23,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:01:23,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:01:23,248 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:01:23,269 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:01:23,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:01:23,269 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:01:23,269 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:01:23,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:01:23,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:01:23,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:01:23,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:01:23,271 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:01:23,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:01:23,272 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:01:23,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:01:23,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:01:23,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:01:23,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:01:23,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:01:23,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:01:23,273 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:01:23,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:01:23,273 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:01:23,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:01:23,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:01:23,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:01:23,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:01:23,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:01:23,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:01:23,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:01:23,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:01:23,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:01:23,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:01:23,276 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:01:23,276 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:01:23,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:01:23,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:01:23,276 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19f012d1196298e1f96209f85f7789e5e4a3317d14bda6693f5031f7a8a701f8 [2021-12-15 11:01:23,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:01:23,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:01:23,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:01:23,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:01:23,526 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:01:23,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c [2021-12-15 11:01:23,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5132314fa/ccfe00e66df94eb6b76a555392a64669/FLAG4b0a7175e [2021-12-15 11:01:23,972 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:01:23,972 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c [2021-12-15 11:01:23,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5132314fa/ccfe00e66df94eb6b76a555392a64669/FLAG4b0a7175e [2021-12-15 11:01:24,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5132314fa/ccfe00e66df94eb6b76a555392a64669 [2021-12-15 11:01:24,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:01:24,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:01:24,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:01:24,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:01:24,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:01:24,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:01:24" (1/1) ... [2021-12-15 11:01:24,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebccc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:24, skipping insertion in model container [2021-12-15 11:01:24,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:01:24" (1/1) ... [2021-12-15 11:01:24,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:01:24,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:01:24,658 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/nla-digbench-scaling/geo1-u_valuebound50.c[555,568] [2021-12-15 11:01:24,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:01:24,689 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:01:24,700 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/nla-digbench-scaling/geo1-u_valuebound50.c[555,568] [2021-12-15 11:01:24,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:01:24,725 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:01:24,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:24 WrapperNode [2021-12-15 11:01:24,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:01:24,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:01:24,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:01:24,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:01:24,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:24" (1/1) ... [2021-12-15 11:01:24,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:24" (1/1) ... [2021-12-15 11:01:24,778 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2021-12-15 11:01:24,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:01:24,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:01:24,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:01:24,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:01:24,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:24" (1/1) ... [2021-12-15 11:01:24,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:24" (1/1) ... [2021-12-15 11:01:24,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:24" (1/1) ... [2021-12-15 11:01:24,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:24" (1/1) ... [2021-12-15 11:01:24,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:24" (1/1) ... [2021-12-15 11:01:24,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:24" (1/1) ... [2021-12-15 11:01:24,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:24" (1/1) ... [2021-12-15 11:01:24,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:01:24,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:01:24,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:01:24,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:01:24,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:24" (1/1) ... [2021-12-15 11:01:24,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:01:24,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:01:24,880 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 11:01:24,911 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 11:01:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:01:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 11:01:24,958 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 11:01:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:01:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:01:24,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:01:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 11:01:24,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 11:01:25,011 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:01:25,021 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:01:25,169 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:01:25,173 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:01:25,174 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:01:25,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:01:25 BoogieIcfgContainer [2021-12-15 11:01:25,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:01:25,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:01:25,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:01:25,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:01:25,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:01:24" (1/3) ... [2021-12-15 11:01:25,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab147ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:01:25, skipping insertion in model container [2021-12-15 11:01:25,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:24" (2/3) ... [2021-12-15 11:01:25,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab147ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:01:25, skipping insertion in model container [2021-12-15 11:01:25,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:01:25" (3/3) ... [2021-12-15 11:01:25,213 INFO L111 eAbstractionObserver]: Analyzing ICFG geo1-u_valuebound50.c [2021-12-15 11:01:25,218 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:01:25,221 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:01:25,299 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:01:25,313 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 11:01:25,313 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:01:25,326 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-15 11:01:25,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-15 11:01:25,330 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:01:25,331 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:01:25,331 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:01:25,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:01:25,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1975646755, now seen corresponding path program 1 times [2021-12-15 11:01:25,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:01:25,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248668102] [2021-12-15 11:01:25,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:01:25,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:01:25,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:01:25,417 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 11:01:25,422 INFO L158 Benchmark]: Toolchain (without parser) took 1023.10ms. Allocated memory is still 86.0MB. Free memory was 63.5MB in the beginning and 39.8MB in the end (delta: 23.7MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2021-12-15 11:01:25,423 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 60.9MB in the beginning and 60.9MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:01:25,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.60ms. Allocated memory is still 86.0MB. Free memory was 63.4MB in the beginning and 61.0MB in the end (delta: 2.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-12-15 11:01:25,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.76ms. Allocated memory is still 86.0MB. Free memory was 60.9MB in the beginning and 59.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:01:25,424 INFO L158 Benchmark]: Boogie Preprocessor took 33.38ms. Allocated memory is still 86.0MB. Free memory was 59.4MB in the beginning and 58.5MB in the end (delta: 957.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:01:25,425 INFO L158 Benchmark]: RCFGBuilder took 346.25ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 49.4MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 11:01:25,425 INFO L158 Benchmark]: TraceAbstraction took 231.19ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 39.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 11:01:25,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 60.9MB in the beginning and 60.9MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.60ms. Allocated memory is still 86.0MB. Free memory was 63.4MB in the beginning and 61.0MB in the end (delta: 2.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.76ms. Allocated memory is still 86.0MB. Free memory was 60.9MB in the beginning and 59.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.38ms. Allocated memory is still 86.0MB. Free memory was 59.4MB in the beginning and 58.5MB in the end (delta: 957.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 346.25ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 49.4MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 231.19ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 39.8MB in the end (delta: 9.3MB). 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 11:01:25,461 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/nla-digbench-scaling/geo1-u_valuebound50.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 19f012d1196298e1f96209f85f7789e5e4a3317d14bda6693f5031f7a8a701f8 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:01:27,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:01:27,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:01:27,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:01:27,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:01:27,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:01:27,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:01:27,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:01:27,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:01:27,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:01:27,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:01:27,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:01:27,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:01:27,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:01:27,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:01:27,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:01:27,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:01:27,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:01:27,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:01:27,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:01:27,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:01:27,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:01:27,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:01:27,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:01:27,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:01:27,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:01:27,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:01:27,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:01:27,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:01:27,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:01:27,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:01:27,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:01:27,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:01:27,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:01:27,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:01:27,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:01:27,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:01:27,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:01:27,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:01:27,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:01:27,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:01:27,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:01:27,964 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:01:27,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:01:27,965 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:01:27,965 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:01:27,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:01:27,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:01:27,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:01:27,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:01:27,967 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:01:27,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:01:27,967 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:01:27,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:01:27,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:01:27,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:01:27,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:01:27,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:01:27,968 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:01:27,968 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:01:27,969 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:01:27,969 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:01:27,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:01:27,973 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:01:27,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:01:27,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:01:27,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:01:27,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:01:27,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:01:27,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:01:27,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:01:27,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:01:27,975 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:01:27,975 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:01:27,975 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:01:27,975 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:01:27,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:01:27,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:01:27,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:01:27,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19f012d1196298e1f96209f85f7789e5e4a3317d14bda6693f5031f7a8a701f8 [2021-12-15 11:01:28,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:01:28,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:01:28,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:01:28,218 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:01:28,219 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:01:28,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c [2021-12-15 11:01:28,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/710db871a/66207f1fb3ff4bafa4d9cdaa823c5aa4/FLAG16fadc13c [2021-12-15 11:01:28,912 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:01:28,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c [2021-12-15 11:01:28,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/710db871a/66207f1fb3ff4bafa4d9cdaa823c5aa4/FLAG16fadc13c [2021-12-15 11:01:28,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/710db871a/66207f1fb3ff4bafa4d9cdaa823c5aa4 [2021-12-15 11:01:28,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:01:28,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:01:28,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:01:28,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:01:28,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:01:28,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:01:28" (1/1) ... [2021-12-15 11:01:28,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce61b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:28, skipping insertion in model container [2021-12-15 11:01:28,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:01:28" (1/1) ... [2021-12-15 11:01:28,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:01:28,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:01:29,077 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/nla-digbench-scaling/geo1-u_valuebound50.c[555,568] [2021-12-15 11:01:29,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:01:29,099 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:01:29,138 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/nla-digbench-scaling/geo1-u_valuebound50.c[555,568] [2021-12-15 11:01:29,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:01:29,160 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:01:29,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:29 WrapperNode [2021-12-15 11:01:29,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:01:29,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:01:29,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:01:29,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:01:29,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:29" (1/1) ... [2021-12-15 11:01:29,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:29" (1/1) ... [2021-12-15 11:01:29,182 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2021-12-15 11:01:29,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:01:29,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:01:29,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:01:29,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:01:29,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:29" (1/1) ... [2021-12-15 11:01:29,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:29" (1/1) ... [2021-12-15 11:01:29,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:29" (1/1) ... [2021-12-15 11:01:29,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:29" (1/1) ... [2021-12-15 11:01:29,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:29" (1/1) ... [2021-12-15 11:01:29,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:29" (1/1) ... [2021-12-15 11:01:29,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:29" (1/1) ... [2021-12-15 11:01:29,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:01:29,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:01:29,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:01:29,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:01:29,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:29" (1/1) ... [2021-12-15 11:01:29,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:01:29,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:01:29,241 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 11:01:29,277 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 11:01:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:01:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:01:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 11:01:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 11:01:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:01:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:01:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 11:01:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 11:01:29,327 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:01:29,329 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:01:29,536 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:01:29,541 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:01:29,542 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:01:29,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:01:29 BoogieIcfgContainer [2021-12-15 11:01:29,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:01:29,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:01:29,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:01:29,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:01:29,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:01:28" (1/3) ... [2021-12-15 11:01:29,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7788d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:01:29, skipping insertion in model container [2021-12-15 11:01:29,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:01:29" (2/3) ... [2021-12-15 11:01:29,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7788d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:01:29, skipping insertion in model container [2021-12-15 11:01:29,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:01:29" (3/3) ... [2021-12-15 11:01:29,551 INFO L111 eAbstractionObserver]: Analyzing ICFG geo1-u_valuebound50.c [2021-12-15 11:01:29,555 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:01:29,555 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:01:29,606 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:01:29,611 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 11:01:29,611 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:01:29,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-15 11:01:29,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-15 11:01:29,638 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:01:29,638 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:01:29,639 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:01:29,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:01:29,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1975646755, now seen corresponding path program 1 times [2021-12-15 11:01:29,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:01:29,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22552314] [2021-12-15 11:01:29,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:01:29,657 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:01:29,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:01:29,674 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 11:01:29,676 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 11:01:29,708 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 11:01:29,902 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 11:01:29,902 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 11:01:29,906 INFO L158 Benchmark]: Toolchain (without parser) took 962.96ms. Allocated memory was 46.1MB in the beginning and 56.6MB in the end (delta: 10.5MB). Free memory was 27.4MB in the beginning and 39.1MB in the end (delta: -11.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-12-15 11:01:29,907 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 37.7MB. Free memory was 20.4MB in the beginning and 20.3MB in the end (delta: 35.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:01:29,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.41ms. Allocated memory is still 46.1MB. Free memory was 27.3MB in the beginning and 29.6MB in the end (delta: -2.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-12-15 11:01:29,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.14ms. Allocated memory is still 46.1MB. Free memory was 29.6MB in the beginning and 28.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:01:29,908 INFO L158 Benchmark]: Boogie Preprocessor took 36.65ms. Allocated memory is still 46.1MB. Free memory was 28.1MB in the beginning and 26.9MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:01:29,908 INFO L158 Benchmark]: RCFGBuilder took 322.95ms. Allocated memory is still 46.1MB. Free memory was 26.9MB in the beginning and 27.3MB in the end (delta: -337.7kB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-12-15 11:01:29,909 INFO L158 Benchmark]: TraceAbstraction took 360.10ms. Allocated memory was 46.1MB in the beginning and 56.6MB in the end (delta: 10.5MB). Free memory was 26.7MB in the beginning and 39.1MB in the end (delta: -12.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-12-15 11:01:29,911 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 37.7MB. Free memory was 20.4MB in the beginning and 20.3MB in the end (delta: 35.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.41ms. Allocated memory is still 46.1MB. Free memory was 27.3MB in the beginning and 29.6MB in the end (delta: -2.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.14ms. Allocated memory is still 46.1MB. Free memory was 29.6MB in the beginning and 28.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.65ms. Allocated memory is still 46.1MB. Free memory was 28.1MB in the beginning and 26.9MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 322.95ms. Allocated memory is still 46.1MB. Free memory was 26.9MB in the beginning and 27.3MB in the end (delta: -337.7kB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * TraceAbstraction took 360.10ms. Allocated memory was 46.1MB in the beginning and 56.6MB in the end (delta: 10.5MB). Free memory was 26.7MB in the beginning and 39.1MB in the end (delta: -12.4MB). Peak memory consumption was 9.1MB. 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 11:01:29,967 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