./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/joey.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 20ed64ec 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/termination-crafted-lit/joey.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6360f720317c1229a4bb277806239106bfb4e5c0 ................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 10:57:02,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 10:57:02,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 10:57:02,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 10:57:02,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 10:57:02,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 10:57:02,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 10:57:02,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 10:57:02,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 10:57:02,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 10:57:02,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 10:57:02,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 10:57:02,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 10:57:02,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 10:57:02,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 10:57:02,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 10:57:02,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 10:57:02,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 10:57:02,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 10:57:02,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 10:57:02,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 10:57:02,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 10:57:02,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 10:57:02,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 10:57:02,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 10:57:02,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 10:57:02,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 10:57:02,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 10:57:02,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 10:57:02,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 10:57:02,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 10:57:02,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 10:57:02,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 10:57:02,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 10:57:02,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 10:57:02,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 10:57:02,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 10:57:02,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 10:57:02,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 10:57:02,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 10:57:02,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 10:57:02,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-08-27 10:57:02,181 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 10:57:02,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 10:57:02,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 10:57:02,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 10:57:02,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 10:57:02,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 10:57:02,183 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 10:57:02,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 10:57:02,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 10:57:02,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 10:57:02,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 10:57:02,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-27 10:57:02,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 10:57:02,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-27 10:57:02,185 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-27 10:57:02,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 10:57:02,185 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 10:57:02,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-27 10:57:02,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 10:57:02,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 10:57:02,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 10:57:02,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 10:57:02,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 10:57:02,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 10:57:02,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-27 10:57:02,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 10:57:02,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 10:57:02,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-27 10:57:02,191 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 10:57:02,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6360f720317c1229a4bb277806239106bfb4e5c0 [2021-08-27 10:57:02,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 10:57:02,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 10:57:02,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 10:57:02,460 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 10:57:02,460 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 10:57:02,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/joey.c [2021-08-27 10:57:02,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec7db2e7e/6ee8c137d64849f185e4144188c61691/FLAGbef203423 [2021-08-27 10:57:02,816 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 10:57:02,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/joey.c [2021-08-27 10:57:02,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec7db2e7e/6ee8c137d64849f185e4144188c61691/FLAGbef203423 [2021-08-27 10:57:03,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec7db2e7e/6ee8c137d64849f185e4144188c61691 [2021-08-27 10:57:03,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 10:57:03,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 10:57:03,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 10:57:03,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 10:57:03,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 10:57:03,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 10:57:03" (1/1) ... [2021-08-27 10:57:03,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45496c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:57:03, skipping insertion in model container [2021-08-27 10:57:03,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 10:57:03" (1/1) ... [2021-08-27 10:57:03,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 10:57:03,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 10:57:03,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 10:57:03,370 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 10:57:03,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 10:57:03,385 INFO L208 MainTranslator]: Completed translation [2021-08-27 10:57:03,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:57:03 WrapperNode [2021-08-27 10:57:03,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 10:57:03,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 10:57:03,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 10:57:03,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 10:57:03,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:57:03" (1/1) ... [2021-08-27 10:57:03,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:57:03" (1/1) ... [2021-08-27 10:57:03,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 10:57:03,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 10:57:03,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 10:57:03,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 10:57:03,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:57:03" (1/1) ... [2021-08-27 10:57:03,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:57:03" (1/1) ... [2021-08-27 10:57:03,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:57:03" (1/1) ... [2021-08-27 10:57:03,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:57:03" (1/1) ... [2021-08-27 10:57:03,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:57:03" (1/1) ... [2021-08-27 10:57:03,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:57:03" (1/1) ... [2021-08-27 10:57:03,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:57:03" (1/1) ... [2021-08-27 10:57:03,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 10:57:03,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 10:57:03,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 10:57:03,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 10:57:03,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:57:03" (1/1) ... [2021-08-27 10:57:03,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 10:57:03,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 10:57:03,472 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) [2021-08-27 10:57:03,479 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 [2021-08-27 10:57:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-08-27 10:57:03,499 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-08-27 10:57:03,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 10:57:03,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 10:57:03,621 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 10:57:03,622 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-27 10:57:03,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 10:57:03 BoogieIcfgContainer [2021-08-27 10:57:03,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 10:57:03,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 10:57:03,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 10:57:03,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 10:57:03,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 10:57:03" (1/3) ... [2021-08-27 10:57:03,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7c964d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 10:57:03, skipping insertion in model container [2021-08-27 10:57:03,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:57:03" (2/3) ... [2021-08-27 10:57:03,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7c964d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 10:57:03, skipping insertion in model container [2021-08-27 10:57:03,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 10:57:03" (3/3) ... [2021-08-27 10:57:03,628 INFO L111 eAbstractionObserver]: Analyzing ICFG joey.c [2021-08-27 10:57:03,631 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 10:57:03,631 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-08-27 10:57:03,656 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 10:57:03,662 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-08-27 10:57:03,663 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-08-27 10:57:03,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 27 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-08-27 10:57:03,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-27 10:57:03,680 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 10:57:03,680 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-27 10:57:03,680 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting recErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [recErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, recErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, recErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-08-27 10:57:03,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 10:57:03,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1873828178, now seen corresponding path program 1 times [2021-08-27 10:57:03,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 10:57:03,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442941582] [2021-08-27 10:57:03,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 10:57:03,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 10:57:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 10:57:03,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 10:57:03,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 10:57:03,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442941582] [2021-08-27 10:57:03,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442941582] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 10:57:03,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 10:57:03,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 10:57:03,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735776936] [2021-08-27 10:57:03,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-27 10:57:03,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 10:57:03,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 10:57:03,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-27 10:57:03,938 INFO L87 Difference]: Start difference. First operand has 33 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 27 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 7 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 10:57:04,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 10:57:04,116 INFO L93 Difference]: Finished difference Result 66 states and 80 transitions. [2021-08-27 10:57:04,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 10:57:04,117 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-08-27 10:57:04,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 10:57:04,122 INFO L225 Difference]: With dead ends: 66 [2021-08-27 10:57:04,122 INFO L226 Difference]: Without dead ends: 52 [2021-08-27 10:57:04,124 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 70.9ms TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-08-27 10:57:04,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-08-27 10:57:04,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 45. [2021-08-27 10:57:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 37 states have internal predecessors, (44), 7 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-08-27 10:57:04,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2021-08-27 10:57:04,189 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 6 [2021-08-27 10:57:04,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 10:57:04,189 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2021-08-27 10:57:04,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 10:57:04,189 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2021-08-27 10:57:04,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-27 10:57:04,190 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 10:57:04,190 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-27 10:57:04,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-27 10:57:04,190 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting recErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [recErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, recErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, recErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-08-27 10:57:04,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 10:57:04,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1873828402, now seen corresponding path program 1 times [2021-08-27 10:57:04,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 10:57:04,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439321083] [2021-08-27 10:57:04,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 10:57:04,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 10:57:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 10:57:04,196 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 10:57:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 10:57:04,209 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 10:57:04,209 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-27 10:57:04,210 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location recErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 10:57:04,211 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location recErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 10:57:04,211 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location recErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 10:57:04,211 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location recErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 10:57:04,211 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location recErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 10:57:04,212 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location recErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 10:57:04,212 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location recErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 10:57:04,212 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location recErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 10:57:04,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-27 10:57:04,232 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 10:57:04,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 10:57:04 BoogieIcfgContainer [2021-08-27 10:57:04,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 10:57:04,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 10:57:04,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 10:57:04,255 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 10:57:04,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 10:57:03" (3/4) ... [2021-08-27 10:57:04,257 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-27 10:57:04,281 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 10:57:04,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 10:57:04,282 INFO L168 Benchmark]: Toolchain (without parser) took 1006.50 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 31.0 MB in the beginning and 65.1 MB in the end (delta: -34.1 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-08-27 10:57:04,282 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.1 MB in the end (delta: 39.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 10:57:04,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 109.78 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.8 MB in the beginning and 50.5 MB in the end (delta: -19.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-08-27 10:57:04,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.70 ms. Allocated memory is still 69.2 MB. Free memory was 50.3 MB in the beginning and 49.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 10:57:04,284 INFO L168 Benchmark]: Boogie Preprocessor took 32.06 ms. Allocated memory is still 69.2 MB. Free memory was 49.2 MB in the beginning and 52.6 MB in the end (delta: -3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 10:57:04,284 INFO L168 Benchmark]: RCFGBuilder took 188.49 ms. Allocated memory is still 69.2 MB. Free memory was 52.6 MB in the beginning and 40.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 10:57:04,300 INFO L168 Benchmark]: TraceAbstraction took 630.80 ms. Allocated memory is still 69.2 MB. Free memory was 40.1 MB in the beginning and 30.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-08-27 10:57:04,301 INFO L168 Benchmark]: Witness Printer took 25.56 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 30.9 MB in the beginning and 65.1 MB in the end (delta: -34.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 10:57:04,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.1 MB in the end (delta: 39.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 109.78 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.8 MB in the beginning and 50.5 MB in the end (delta: -19.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 15.70 ms. Allocated memory is still 69.2 MB. Free memory was 50.3 MB in the beginning and 49.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.06 ms. Allocated memory is still 69.2 MB. Free memory was 49.2 MB in the beginning and 52.6 MB in the end (delta: -3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 188.49 ms. Allocated memory is still 69.2 MB. Free memory was 52.6 MB in the beginning and 40.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 630.80 ms. Allocated memory is still 69.2 MB. Free memory was 40.1 MB in the beginning and 30.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Witness Printer took 25.56 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 30.9 MB in the beginning and 65.1 MB in the end (delta: -34.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y; [L22] CALL rec(x) VAL [\old(x)=2147483647] [L10] COND FALSE !(x <= 0) VAL [\old(x)=2147483647, x=2147483647] [L12] COND FALSE !(x%2 == 0) VAL [\old(x)=2147483647, x=2147483647] [L15] ++x VAL [\old(x)=2147483647, x=2147483647] - UnprovableResult [Line: 13]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 13]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 15]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 15]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 15]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 15]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 15]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 576.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 6.1ms, AutomataDifference: 198.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 28 SDtfs, 52 SDslu, 70 SDs, 0 SdLazy, 62 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 76.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 70.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=1, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 45.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.5ms SsaConstructionTime, 27.8ms SatisfiabilityAnalysisTime, 157.5ms InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-08-27 10:57:04,341 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...