/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/filter2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 07:05:27,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 07:05:27,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 07:05:27,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 07:05:27,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 07:05:27,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 07:05:27,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 07:05:27,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 07:05:27,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 07:05:27,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 07:05:27,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 07:05:27,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 07:05:27,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 07:05:27,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 07:05:27,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 07:05:27,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 07:05:27,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 07:05:27,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 07:05:27,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 07:05:27,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 07:05:27,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 07:05:27,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 07:05:27,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 07:05:27,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 07:05:27,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 07:05:27,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 07:05:27,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 07:05:27,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 07:05:27,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 07:05:27,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 07:05:27,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 07:05:27,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 07:05:27,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 07:05:27,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 07:05:27,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 07:05:27,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 07:05:27,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 07:05:27,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 07:05:27,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 07:05:27,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 07:05:27,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 07:05:27,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2022-01-31 07:05:27,641 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 07:05:27,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 07:05:27,642 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-31 07:05:27,642 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-31 07:05:27,642 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-31 07:05:27,642 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-31 07:05:27,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-31 07:05:27,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-31 07:05:27,643 INFO L138 SettingsManager]: * Use SBE=true [2022-01-31 07:05:27,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 07:05:27,643 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 07:05:27,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 07:05:27,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 07:05:27,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 07:05:27,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 07:05:27,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 07:05:27,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 07:05:27,644 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 07:05:27,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 07:05:27,644 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 07:05:27,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 07:05:27,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 07:05:27,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 07:05:27,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 07:05:27,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 07:05:27,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 07:05:27,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-31 07:05:27,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-31 07:05:27,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 07:05:27,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-31 07:05:27,645 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-31 07:05:27,645 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-31 07:05:27,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 07:05:27,645 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 07:05:27,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 07:05:27,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 07:05:27,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 07:05:27,847 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 07:05:27,849 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 07:05:27,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/filter2.c [2022-01-31 07:05:27,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40495e1fb/cd92534ddf174c8baed99a21a14a15f3/FLAG3562b6809 [2022-01-31 07:05:28,293 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 07:05:28,293 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter2.c [2022-01-31 07:05:28,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40495e1fb/cd92534ddf174c8baed99a21a14a15f3/FLAG3562b6809 [2022-01-31 07:05:28,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40495e1fb/cd92534ddf174c8baed99a21a14a15f3 [2022-01-31 07:05:28,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 07:05:28,326 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 07:05:28,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 07:05:28,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 07:05:28,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 07:05:28,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 07:05:28" (1/1) ... [2022-01-31 07:05:28,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c3841a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:05:28, skipping insertion in model container [2022-01-31 07:05:28,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 07:05:28" (1/1) ... [2022-01-31 07:05:28,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 07:05:28,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 07:05:28,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter2.c[652,665] [2022-01-31 07:05:28,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 07:05:28,491 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 07:05:28,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter2.c[652,665] [2022-01-31 07:05:28,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 07:05:28,550 INFO L208 MainTranslator]: Completed translation [2022-01-31 07:05:28,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:05:28 WrapperNode [2022-01-31 07:05:28,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 07:05:28,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 07:05:28,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 07:05:28,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 07:05:28,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:05:28" (1/1) ... [2022-01-31 07:05:28,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:05:28" (1/1) ... [2022-01-31 07:05:28,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:05:28" (1/1) ... [2022-01-31 07:05:28,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:05:28" (1/1) ... [2022-01-31 07:05:28,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:05:28" (1/1) ... [2022-01-31 07:05:28,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:05:28" (1/1) ... [2022-01-31 07:05:28,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:05:28" (1/1) ... [2022-01-31 07:05:28,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 07:05:28,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 07:05:28,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 07:05:28,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 07:05:28,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:05:28" (1/1) ... [2022-01-31 07:05:28,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 07:05:28,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 07:05:28,617 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) [2022-01-31 07:05:28,619 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 [2022-01-31 07:05:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 07:05:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 07:05:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 07:05:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 07:05:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 07:05:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 07:05:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 07:05:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 07:05:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 07:05:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 07:05:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-01-31 07:05:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 07:05:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 07:05:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 07:05:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 07:05:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 07:05:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 07:05:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 07:05:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 07:05:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 07:05:28,713 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 07:05:28,714 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 07:05:28,866 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 07:05:28,870 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 07:05:28,870 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-31 07:05:28,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 07:05:28 BoogieIcfgContainer [2022-01-31 07:05:28,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 07:05:28,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 07:05:28,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 07:05:28,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 07:05:28,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 07:05:28" (1/3) ... [2022-01-31 07:05:28,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20660971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 07:05:28, skipping insertion in model container [2022-01-31 07:05:28,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:05:28" (2/3) ... [2022-01-31 07:05:28,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20660971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 07:05:28, skipping insertion in model container [2022-01-31 07:05:28,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 07:05:28" (3/3) ... [2022-01-31 07:05:28,907 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2.c [2022-01-31 07:05:28,914 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-31 07:05:28,914 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 07:05:28,941 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 07:05:28,952 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-31 07:05:28,952 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 07:05:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 18 states have internal predecessors, (22), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 07:05:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-01-31 07:05:28,988 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 07:05:28,988 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 07:05:28,989 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 07:05:28,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 07:05:28,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1164239454, now seen corresponding path program 1 times [2022-01-31 07:05:28,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 07:05:28,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799251175] [2022-01-31 07:05:28,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 07:05:28,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 07:05:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 07:05:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 07:05:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 07:05:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 07:05:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 07:05:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-01-31 07:05:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 07:05:29,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 07:05:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 07:05:29,181 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-31 07:05:29,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 07:05:29,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799251175] [2022-01-31 07:05:29,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799251175] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 07:05:29,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 07:05:29,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-31 07:05:29,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724380868] [2022-01-31 07:05:29,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 07:05:29,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-31 07:05:29,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 07:05:29,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-31 07:05:29,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 07:05:29,211 INFO L87 Difference]: Start difference. First operand has 29 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 18 states have internal predecessors, (22), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-31 07:05:29,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 07:05:29,260 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2022-01-31 07:05:29,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-31 07:05:29,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2022-01-31 07:05:29,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 07:05:29,271 INFO L225 Difference]: With dead ends: 51 [2022-01-31 07:05:29,271 INFO L226 Difference]: Without dead ends: 24 [2022-01-31 07:05:29,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 07:05:29,277 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 16 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-31 07:05:29,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 30 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-31 07:05:29,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-01-31 07:05:29,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-01-31 07:05:29,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-01-31 07:05:29,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2022-01-31 07:05:29,308 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 28 [2022-01-31 07:05:29,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 07:05:29,308 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2022-01-31 07:05:29,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-31 07:05:29,309 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2022-01-31 07:05:29,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-01-31 07:05:29,311 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 07:05:29,311 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 07:05:29,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 07:05:29,312 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 07:05:29,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 07:05:29,313 INFO L85 PathProgramCache]: Analyzing trace with hash 223869088, now seen corresponding path program 1 times [2022-01-31 07:05:29,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 07:05:29,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440092939] [2022-01-31 07:05:29,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 07:05:29,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 07:05:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 07:05:29,356 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 07:05:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 07:05:29,390 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 07:05:29,391 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 07:05:29,392 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 07:05:29,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 07:05:29,395 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 07:05:29,396 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 07:05:29,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 07:05:29 BoogieIcfgContainer [2022-01-31 07:05:29,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 07:05:29,419 INFO L158 Benchmark]: Toolchain (without parser) took 1092.46ms. Allocated memory was 178.3MB in the beginning and 277.9MB in the end (delta: 99.6MB). Free memory was 120.3MB in the beginning and 209.5MB in the end (delta: -89.1MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. [2022-01-31 07:05:29,419 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 178.3MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 07:05:29,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.92ms. Allocated memory was 178.3MB in the beginning and 277.9MB in the end (delta: 99.6MB). Free memory was 120.1MB in the beginning and 253.0MB in the end (delta: -132.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-31 07:05:29,422 INFO L158 Benchmark]: Boogie Preprocessor took 22.69ms. Allocated memory is still 277.9MB. Free memory was 253.0MB in the beginning and 251.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 07:05:29,423 INFO L158 Benchmark]: RCFGBuilder took 310.00ms. Allocated memory is still 277.9MB. Free memory was 251.4MB in the beginning and 239.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-31 07:05:29,424 INFO L158 Benchmark]: TraceAbstraction took 530.71ms. Allocated memory is still 277.9MB. Free memory was 239.3MB in the beginning and 209.5MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-01-31 07:05:29,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 178.3MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 223.92ms. Allocated memory was 178.3MB in the beginning and 277.9MB in the end (delta: 99.6MB). Free memory was 120.1MB in the beginning and 253.0MB in the end (delta: -132.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.69ms. Allocated memory is still 277.9MB. Free memory was 253.0MB in the beginning and 251.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 310.00ms. Allocated memory is still 277.9MB. Free memory was 251.4MB in the beginning and 239.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 530.71ms. Allocated memory is still 277.9MB. Free memory was 239.3MB in the beginning and 209.5MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 17]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of to_real at line 30, overapproximation of someBinaryArithmeticDOUBLEoperation at line 42. Possible FailurePath: [L22] double E, E0, E1, S0, S1, S; [L23] int i; [L25] E = __VERIFIER_nondet_double() [L26] E0 = __VERIFIER_nondet_double() [L27] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L27] RET assume_abort_if_not(E >= 0. && E <= 1.) VAL [E=54, E=53] [L28] CALL assume_abort_if_not(E0 >= 0. && E0 <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L28] RET assume_abort_if_not(E0 >= 0. && E0 <= 1.) VAL [E=54, E=53] [L30] S0 = 0 [L31] S = 0 [L33] i = 0 VAL [E=54, E=53, i=0] [L33] COND TRUE i <= 1000000 [L34] E1 = E0 [L35] E0 = E [L37] E = __VERIFIER_nondet_double() [L38] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L38] RET assume_abort_if_not(E >= 0. && E <= 1.) VAL [E=55, E=54, E=53, i=0] [L40] S1 = S0 [L41] S0 = S [L42] S = 0.7*E - E0*1.3 + E1*1.1 + S0*1.4 - S1*0.7 VAL [E=54, E=55, E=53, i=0, S0=51, S1=50] [L44] CALL __VERIFIER_assert(S >= -4. && S <= 4.) VAL [\old(cond)=0] [L17] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L17] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 27 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-31 07:05:29,454 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...