/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/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf -i ../../../trunk/examples/svcomp/float-benchs/sqrt_Householder_interval.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 17:38:38,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 17:38:38,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 17:38:39,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 17:38:39,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 17:38:39,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 17:38:39,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 17:38:39,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 17:38:39,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 17:38:39,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 17:38:39,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 17:38:39,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 17:38:39,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 17:38:39,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 17:38:39,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 17:38:39,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 17:38:39,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 17:38:39,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 17:38:39,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 17:38:39,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 17:38:39,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 17:38:39,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 17:38:39,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 17:38:39,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 17:38:39,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 17:38:39,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 17:38:39,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 17:38:39,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 17:38:39,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 17:38:39,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 17:38:39,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 17:38:39,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 17:38:39,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 17:38:39,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 17:38:39,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 17:38:39,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 17:38:39,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 17:38:39,114 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 17:38:39,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 17:38:39,114 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 17:38:39,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 17:38:39,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 17:38:39,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 17:38:39,115 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 17:38:39,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 17:38:39,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 17:38:39,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 17:38:39,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 17:38:39,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 17:38:39,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 17:38:39,117 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 17:38:39,117 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 17:38:39,117 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 17:38:39,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 17:38:39,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 17:38:39,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 17:38:39,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 17:38:39,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 17:38:39,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 17:38:39,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 17:38:39,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 17:38:39,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 17:38:39,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 17:38:39,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 17:38:39,118 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 17:38:39,118 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 17:38:39,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 17:38:39,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 17:38:39,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 17:38:39,119 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 17:38:39,119 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 17:38:39,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 17:38:39,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 17:38:39,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 17:38:39,325 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 17:38:39,325 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 17:38:39,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sqrt_Householder_interval.c [2022-01-10 17:38:39,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba8db1ff3/5530dc05f1ba4c5890fd5db989243331/FLAG65b425313 [2022-01-10 17:38:39,753 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 17:38:39,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sqrt_Householder_interval.c [2022-01-10 17:38:39,758 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba8db1ff3/5530dc05f1ba4c5890fd5db989243331/FLAG65b425313 [2022-01-10 17:38:39,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba8db1ff3/5530dc05f1ba4c5890fd5db989243331 [2022-01-10 17:38:39,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 17:38:39,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 17:38:39,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 17:38:39,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 17:38:39,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 17:38:39,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:38:39" (1/1) ... [2022-01-10 17:38:39,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a23887d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:39, skipping insertion in model container [2022-01-10 17:38:39,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:38:39" (1/1) ... [2022-01-10 17:38:39,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 17:38:39,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 17:38:39,900 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/sqrt_Householder_interval.c[831,844] [2022-01-10 17:38:39,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 17:38:39,941 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 17:38:39,949 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/sqrt_Householder_interval.c[831,844] [2022-01-10 17:38:39,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 17:38:39,965 INFO L208 MainTranslator]: Completed translation [2022-01-10 17:38:39,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:39 WrapperNode [2022-01-10 17:38:39,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 17:38:39,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 17:38:39,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 17:38:39,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 17:38:39,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:39" (1/1) ... [2022-01-10 17:38:39,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:39" (1/1) ... [2022-01-10 17:38:39,989 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2022-01-10 17:38:39,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 17:38:39,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 17:38:39,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 17:38:39,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 17:38:39,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:39" (1/1) ... [2022-01-10 17:38:39,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:39" (1/1) ... [2022-01-10 17:38:39,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:39" (1/1) ... [2022-01-10 17:38:39,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:39" (1/1) ... [2022-01-10 17:38:40,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:39" (1/1) ... [2022-01-10 17:38:40,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:39" (1/1) ... [2022-01-10 17:38:40,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:39" (1/1) ... [2022-01-10 17:38:40,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 17:38:40,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 17:38:40,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 17:38:40,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 17:38:40,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:39" (1/1) ... [2022-01-10 17:38:40,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 17:38:40,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 17:38:40,061 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) [2022-01-10 17:38:40,107 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 [2022-01-10 17:38:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 17:38:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 17:38:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 17:38:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 17:38:40,175 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 17:38:40,176 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 17:38:40,307 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 17:38:40,311 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 17:38:40,311 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 17:38:40,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:38:40 BoogieIcfgContainer [2022-01-10 17:38:40,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 17:38:40,312 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 17:38:40,313 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 17:38:40,313 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 17:38:40,315 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:38:40" (1/1) ... [2022-01-10 17:38:40,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 05:38:40 BasicIcfg [2022-01-10 17:38:40,374 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 17:38:40,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 17:38:40,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 17:38:40,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 17:38:40,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 05:38:39" (1/4) ... [2022-01-10 17:38:40,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187a18a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:38:40, skipping insertion in model container [2022-01-10 17:38:40,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:39" (2/4) ... [2022-01-10 17:38:40,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187a18a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:38:40, skipping insertion in model container [2022-01-10 17:38:40,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:38:40" (3/4) ... [2022-01-10 17:38:40,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187a18a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:38:40, skipping insertion in model container [2022-01-10 17:38:40,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 05:38:40" (4/4) ... [2022-01-10 17:38:40,385 INFO L111 eAbstractionObserver]: Analyzing ICFG sqrt_Householder_interval.cTransformedIcfg [2022-01-10 17:38:40,395 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 17:38:40,395 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 17:38:40,422 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 17:38:40,426 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 [2022-01-10 17:38:40,426 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 17:38:40,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 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) [2022-01-10 17:38:40,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 17:38:40,436 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:38:40,437 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 17:38:40,437 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 17:38:40,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:38:40,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1602780461, now seen corresponding path program 1 times [2022-01-10 17:38:40,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:38:40,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010112269] [2022-01-10 17:38:40,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:38:40,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:38:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:38:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 17:38:40,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:38:40,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010112269] [2022-01-10 17:38:40,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010112269] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:38:40,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:38:40,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 17:38:40,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029822494] [2022-01-10 17:38:40,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:38:40,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 17:38:40,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:38:40,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 17:38:40,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 17:38:40,604 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-01-10 17:38:40,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:38:40,613 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-01-10 17:38:40,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 17:38:40,615 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2022-01-10 17:38:40,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:38:40,619 INFO L225 Difference]: With dead ends: 29 [2022-01-10 17:38:40,620 INFO L226 Difference]: Without dead ends: 12 [2022-01-10 17:38:40,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 17:38:40,624 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 17:38:40,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 17:38:40,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-01-10 17:38:40,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-01-10 17:38:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 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) [2022-01-10 17:38:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2022-01-10 17:38:40,644 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 11 [2022-01-10 17:38:40,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:38:40,644 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2022-01-10 17:38:40,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-01-10 17:38:40,644 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-01-10 17:38:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 17:38:40,644 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:38:40,645 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 17:38:40,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 17:38:40,645 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 17:38:40,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:38:40,646 INFO L85 PathProgramCache]: Analyzing trace with hash 885655893, now seen corresponding path program 1 times [2022-01-10 17:38:40,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:38:40,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753221672] [2022-01-10 17:38:40,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:38:40,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:38:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 17:38:40,666 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 17:38:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 17:38:40,694 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 17:38:40,695 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 17:38:40,696 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 17:38:40,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 17:38:40,699 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 17:38:40,701 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 17:38:40,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:38:40 BasicIcfg [2022-01-10 17:38:40,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 17:38:40,727 INFO L158 Benchmark]: Toolchain (without parser) took 957.67ms. Allocated memory is still 254.8MB. Free memory was 229.0MB in the beginning and 184.9MB in the end (delta: 44.1MB). Peak memory consumption was 43.5MB. Max. memory is 8.0GB. [2022-01-10 17:38:40,727 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 254.8MB. Free memory is still 217.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 17:38:40,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.79ms. Allocated memory is still 254.8MB. Free memory was 228.7MB in the beginning and 227.5MB in the end (delta: 1.3MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2022-01-10 17:38:40,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.78ms. Allocated memory is still 254.8MB. Free memory was 227.5MB in the beginning and 225.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 17:38:40,730 INFO L158 Benchmark]: Boogie Preprocessor took 16.10ms. Allocated memory is still 254.8MB. Free memory was 225.8MB in the beginning and 224.5MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 17:38:40,732 INFO L158 Benchmark]: RCFGBuilder took 305.81ms. Allocated memory is still 254.8MB. Free memory was 224.5MB in the beginning and 213.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-10 17:38:40,732 INFO L158 Benchmark]: IcfgTransformer took 61.17ms. Allocated memory is still 254.8MB. Free memory was 213.9MB in the beginning and 211.1MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 17:38:40,733 INFO L158 Benchmark]: TraceAbstraction took 349.89ms. Allocated memory is still 254.8MB. Free memory was 210.8MB in the beginning and 184.9MB in the end (delta: 25.9MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-01-10 17:38:40,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 254.8MB. Free memory is still 217.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 196.79ms. Allocated memory is still 254.8MB. Free memory was 228.7MB in the beginning and 227.5MB in the end (delta: 1.3MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.78ms. Allocated memory is still 254.8MB. Free memory was 227.5MB in the beginning and 225.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.10ms. Allocated memory is still 254.8MB. Free memory was 225.8MB in the beginning and 224.5MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 305.81ms. Allocated memory is still 254.8MB. Free memory was 224.5MB in the beginning and 213.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 61.17ms. Allocated memory is still 254.8MB. Free memory was 213.9MB in the beginning and 211.1MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 349.89ms. Allocated memory is still 254.8MB. Free memory was 210.8MB in the beginning and 184.9MB in the end (delta: 25.9MB). Peak memory consumption was 26.2MB. 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: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of floatingLiteral_0.000001_DOUBLE at line 22, overapproximation of fp.geq at line 56, overapproximation of fp.gt at line 33, overapproximation of fp.div at line 44, overapproximation of fp.neg at line 32, overapproximation of floatingLiteral_1.0_DOUBLE at line 28, overapproximation of fp.leq at line 56, overapproximation of fp.lt at line 33, overapproximation of fp.mul at line 30. Possible FailurePath: [L22] double _EPS = 1e-6; [L49] double d, r; [L51] d = __VERIFIER_nondet_double() [L52] CALL assume_abort_if_not(d >= 0.1 && d <= 20.0) [L18] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L52] RET assume_abort_if_not(d >= 0.1 && d <= 20.0) [L54] CALL, EXPR SqrtR(d) [L26] double xn, xnp1, residu, lsup, linf; [L27] int i, cond; [L28] COND TRUE Input <= 1.0 [L28] xn = 1.0 [L29] xnp1 = xn [L30] residu = 2.0*_EPS*(xn+xnp1) [L31] lsup = _EPS * (xn+xnp1) [L32] linf = -lsup [L33] cond = ((residu > lsup) || (residu < linf)) [L34] i = 0 VAL [cond=0, i=0] [L35] COND FALSE !(\read(cond)) VAL [cond=0, i=0] [L44] return 1.0 / xnp1; VAL [cond=0, i=0] [L54] RET, EXPR SqrtR(d) [L54] r = SqrtR(d) [L56] CALL __VERIFIER_assert(r >= 0.3 && r <= 5.) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 17 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 could not prove your program: unable to determine feasibility of some traces [2022-01-10 17:38:40,795 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...