./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/jain_6-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 574ddb4e 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/bitvector/jain_6-1.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 de5b2075d4abb79268518f13a43be5f1c1d9b9145e6334b0e9e03aa6c29e2c89 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-18 13:19:20,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 13:19:20,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 13:19:20,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 13:19:20,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 13:19:20,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 13:19:20,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 13:19:20,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 13:19:20,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 13:19:20,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 13:19:20,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 13:19:20,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 13:19:20,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 13:19:20,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 13:19:20,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 13:19:20,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 13:19:20,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 13:19:20,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 13:19:20,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 13:19:20,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 13:19:20,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 13:19:20,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 13:19:20,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 13:19:20,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 13:19:20,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 13:19:20,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 13:19:20,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 13:19:20,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 13:19:20,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 13:19:20,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 13:19:20,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 13:19:20,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 13:19:20,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 13:19:20,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 13:19:20,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 13:19:20,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 13:19:20,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 13:19:20,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 13:19:20,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 13:19:20,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 13:19:20,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 13:19:20,403 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-18 13:19:20,429 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 13:19:20,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 13:19:20,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 13:19:20,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 13:19:20,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 13:19:20,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 13:19:20,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 13:19:20,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 13:19:20,433 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 13:19:20,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 13:19:20,434 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 13:19:20,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 13:19:20,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 13:19:20,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 13:19:20,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 13:19:20,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 13:19:20,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 13:19:20,435 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 13:19:20,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 13:19:20,436 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 13:19:20,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 13:19:20,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 13:19:20,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 13:19:20,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 13:19:20,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 13:19:20,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 13:19:20,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 13:19:20,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 13:19:20,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 13:19:20,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 13:19:20,438 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 13:19:20,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 13:19:20,439 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 13:19:20,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 13:19:20,439 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 13:19:20,439 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de5b2075d4abb79268518f13a43be5f1c1d9b9145e6334b0e9e03aa6c29e2c89 [2023-02-18 13:19:20,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 13:19:20,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 13:19:20,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 13:19:20,729 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 13:19:20,730 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 13:19:20,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_6-1.c [2023-02-18 13:19:21,824 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 13:19:22,020 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 13:19:22,021 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_6-1.c [2023-02-18 13:19:22,026 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0f67d438/f74d10de8ee44777975bb8a30f3dbcdc/FLAG2353e097c [2023-02-18 13:19:22,044 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0f67d438/f74d10de8ee44777975bb8a30f3dbcdc [2023-02-18 13:19:22,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 13:19:22,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 13:19:22,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 13:19:22,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 13:19:22,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 13:19:22,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:19:22" (1/1) ... [2023-02-18 13:19:22,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f080672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:19:22, skipping insertion in model container [2023-02-18 13:19:22,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:19:22" (1/1) ... [2023-02-18 13:19:22,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 13:19:22,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 13:19:22,214 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_6-1.c[675,688] [2023-02-18 13:19:22,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 13:19:22,235 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 13:19:22,245 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_6-1.c[675,688] [2023-02-18 13:19:22,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 13:19:22,257 INFO L208 MainTranslator]: Completed translation [2023-02-18 13:19:22,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:19:22 WrapperNode [2023-02-18 13:19:22,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 13:19:22,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 13:19:22,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 13:19:22,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 13:19:22,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:19:22" (1/1) ... [2023-02-18 13:19:22,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:19:22" (1/1) ... [2023-02-18 13:19:22,282 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2023-02-18 13:19:22,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 13:19:22,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 13:19:22,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 13:19:22,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 13:19:22,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:19:22" (1/1) ... [2023-02-18 13:19:22,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:19:22" (1/1) ... [2023-02-18 13:19:22,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:19:22" (1/1) ... [2023-02-18 13:19:22,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:19:22" (1/1) ... [2023-02-18 13:19:22,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:19:22" (1/1) ... [2023-02-18 13:19:22,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:19:22" (1/1) ... [2023-02-18 13:19:22,306 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:19:22" (1/1) ... [2023-02-18 13:19:22,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:19:22" (1/1) ... [2023-02-18 13:19:22,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 13:19:22,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 13:19:22,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 13:19:22,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 13:19:22,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:19:22" (1/1) ... [2023-02-18 13:19:22,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 13:19:22,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 13:19:22,337 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) [2023-02-18 13:19:22,342 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 [2023-02-18 13:19:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 13:19:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 13:19:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 13:19:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 13:19:22,427 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 13:19:22,429 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 13:19:22,528 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 13:19:22,534 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 13:19:22,535 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-18 13:19:22,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:19:22 BoogieIcfgContainer [2023-02-18 13:19:22,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 13:19:22,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 13:19:22,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 13:19:22,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 13:19:22,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 01:19:22" (1/3) ... [2023-02-18 13:19:22,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784062be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:19:22, skipping insertion in model container [2023-02-18 13:19:22,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:19:22" (2/3) ... [2023-02-18 13:19:22,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784062be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:19:22, skipping insertion in model container [2023-02-18 13:19:22,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:19:22" (3/3) ... [2023-02-18 13:19:22,543 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_6-1.c [2023-02-18 13:19:22,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 13:19:22,558 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 13:19:22,603 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 13:19:22,610 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@636ddb2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 13:19:22,611 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 13:19:22,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 13:19:22,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-18 13:19:22,618 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 13:19:22,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-18 13:19:22,620 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 13:19:22,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 13:19:22,626 INFO L85 PathProgramCache]: Analyzing trace with hash 28699754, now seen corresponding path program 1 times [2023-02-18 13:19:22,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 13:19:22,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062156525] [2023-02-18 13:19:22,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 13:19:22,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 13:19:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 13:19:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 13:19:22,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 13:19:22,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062156525] [2023-02-18 13:19:22,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062156525] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 13:19:22,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 13:19:22,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 13:19:22,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400134818] [2023-02-18 13:19:22,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 13:19:22,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 13:19:22,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 13:19:23,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 13:19:23,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 13:19:23,014 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 13:19:23,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 13:19:23,062 INFO L93 Difference]: Finished difference Result 18 states and 26 transitions. [2023-02-18 13:19:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 13:19:23,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-02-18 13:19:23,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 13:19:23,071 INFO L225 Difference]: With dead ends: 18 [2023-02-18 13:19:23,071 INFO L226 Difference]: Without dead ends: 9 [2023-02-18 13:19:23,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 13:19:23,076 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 13:19:23,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 13:19:23,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-02-18 13:19:23,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-02-18 13:19:23,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 13:19:23,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-02-18 13:19:23,106 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-02-18 13:19:23,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 13:19:23,107 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-02-18 13:19:23,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 13:19:23,107 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-02-18 13:19:23,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-18 13:19:23,108 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 13:19:23,108 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-02-18 13:19:23,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 13:19:23,108 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 13:19:23,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 13:19:23,109 INFO L85 PathProgramCache]: Analyzing trace with hash 300686882, now seen corresponding path program 1 times [2023-02-18 13:19:23,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 13:19:23,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588893008] [2023-02-18 13:19:23,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 13:19:23,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 13:19:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 13:19:23,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 13:19:23,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 13:19:23,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588893008] [2023-02-18 13:19:23,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588893008] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 13:19:23,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812323223] [2023-02-18 13:19:23,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 13:19:23,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 13:19:23,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 13:19:23,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 13:19:23,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 13:19:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 13:19:23,506 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 29 conjunts are in the unsatisfiable core [2023-02-18 13:19:23,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 13:19:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 13:19:23,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 13:19:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 13:19:30,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812323223] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 13:19:30,124 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 13:19:30,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 11 [2023-02-18 13:19:30,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301228255] [2023-02-18 13:19:30,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 13:19:30,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-18 13:19:30,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 13:19:30,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-18 13:19:30,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=67, Unknown=3, NotChecked=0, Total=110 [2023-02-18 13:19:30,128 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 13:19:32,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-02-18 13:19:32,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 13:19:32,215 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2023-02-18 13:19:32,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 13:19:32,215 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-02-18 13:19:32,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 13:19:32,216 INFO L225 Difference]: With dead ends: 9 [2023-02-18 13:19:32,216 INFO L226 Difference]: Without dead ends: 0 [2023-02-18 13:19:32,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=40, Invalid=67, Unknown=3, NotChecked=0, Total=110 [2023-02-18 13:19:32,218 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-02-18 13:19:32,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 11 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-02-18 13:19:32,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-18 13:19:32,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-18 13:19:32,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 13:19:32,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-18 13:19:32,220 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2023-02-18 13:19:32,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 13:19:32,220 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 13:19:32,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 13:19:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-18 13:19:32,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-18 13:19:32,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-18 13:19:32,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-18 13:19:32,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 13:19:32,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-18 13:19:32,432 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-18 13:19:32,432 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 17) no Hoare annotation was computed. [2023-02-18 13:19:32,433 INFO L895 garLoopResultBuilder]: At program point L15-2(lines 14 19) the Hoare annotation is: (and (= (mod (* |ULTIMATE.start_main_~z~0#1| 7) 8) 0) (= (mod |ULTIMATE.start_main_~x~0#1| 2) 0) (let ((.cse0 (= 4 (mod (+ (* |ULTIMATE.start_main_~y~0#1| 2) |ULTIMATE.start_main_~z~0#1| (* |ULTIMATE.start_main_~x~0#1| 4)) 4294967296)))) (or (and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (not .cse0)) (and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) .cse0))) (= (mod (* |ULTIMATE.start_main_~y~0#1| 3) 4) 0) (not (= 0 |ULTIMATE.start___VERIFIER_assert_~cond#1|))) [2023-02-18 13:19:32,433 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-18 13:19:32,433 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 20 37) the Hoare annotation is: false [2023-02-18 13:19:32,433 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-18 13:19:32,434 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-18 13:19:32,434 INFO L895 garLoopResultBuilder]: At program point L28-2(lines 28 35) the Hoare annotation is: (or (and (= (mod (* |ULTIMATE.start_main_~z~0#1| 7) 8) 0) (= (mod |ULTIMATE.start_main_~x~0#1| 2) 0) (let ((.cse0 (= 4 (mod (+ (* |ULTIMATE.start_main_~y~0#1| 2) |ULTIMATE.start_main_~z~0#1| (* |ULTIMATE.start_main_~x~0#1| 4)) 4294967296)))) (or (and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (not .cse0)) (and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) .cse0))) (= (mod (* |ULTIMATE.start_main_~y~0#1| 3) 4) 0) (not (= 0 |ULTIMATE.start___VERIFIER_assert_~cond#1|))) (and (= |ULTIMATE.start_main_~x~0#1| 0) (= |ULTIMATE.start_main_~z~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0))) [2023-02-18 13:19:32,434 INFO L899 garLoopResultBuilder]: For program point L28-3(lines 28 35) no Hoare annotation was computed. [2023-02-18 13:19:32,434 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2023-02-18 13:19:32,435 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2023-02-18 13:19:32,438 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-02-18 13:19:32,440 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 13:19:32,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 01:19:32 BoogieIcfgContainer [2023-02-18 13:19:32,471 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 13:19:32,472 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 13:19:32,472 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 13:19:32,472 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 13:19:32,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:19:22" (3/4) ... [2023-02-18 13:19:32,475 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-18 13:19:32,485 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-02-18 13:19:32,485 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-18 13:19:32,486 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-18 13:19:32,486 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-18 13:19:32,516 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 13:19:32,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 13:19:32,517 INFO L158 Benchmark]: Toolchain (without parser) took 10468.47ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 106.6MB in the beginning and 176.5MB in the end (delta: -69.8MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2023-02-18 13:19:32,517 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 13:19:32,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.85ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 96.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 13:19:32,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.15ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 13:19:32,518 INFO L158 Benchmark]: Boogie Preprocessor took 25.31ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 94.5MB in the end (delta: 939.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 13:19:32,518 INFO L158 Benchmark]: RCFGBuilder took 227.01ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 85.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-18 13:19:32,518 INFO L158 Benchmark]: TraceAbstraction took 9932.79ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 84.9MB in the beginning and 178.6MB in the end (delta: -93.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 13:19:32,519 INFO L158 Benchmark]: Witness Printer took 44.18ms. Allocated memory is still 211.8MB. Free memory was 178.6MB in the beginning and 176.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 13:19:32,520 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 142.6MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.85ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 96.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.15ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.31ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 94.5MB in the end (delta: 939.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 227.01ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 85.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 9932.79ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 84.9MB in the beginning and 178.6MB in the end (delta: -93.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 44.18ms. Allocated memory is still 211.8MB. Free memory was 178.6MB in the beginning and 176.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 9 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 128 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 4 QuantifiedInterpolants, 370 SizeOfPredicates, 13 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((((z * 7 % 8 == 0 && x % 2 == 0) && ((cond == 1 && !(4 == (y * 2 + z + x * 4) % 4294967296)) || (cond == 0 && 4 == (y * 2 + z + x * 4) % 4294967296))) && y * 3 % 4 == 0) && !(0 == cond)) || ((x == 0 && z == 0) && y == 0) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: (((z * 7 % 8 == 0 && x % 2 == 0) && ((cond == 1 && !(4 == (y * 2 + z + x * 4) % 4294967296)) || (cond == 0 && 4 == (y * 2 + z + x * 4) % 4294967296))) && y * 3 % 4 == 0) && !(0 == cond) RESULT: Ultimate proved your program to be correct! [2023-02-18 13:19:32,542 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: TRUE