/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_BITWISE.epf -i ../../../trunk/examples/svcomp/float-benchs/sqrt_Householder_interval.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 11:48:37,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 11:48:37,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 11:48:37,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 11:48:37,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 11:48:37,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 11:48:37,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 11:48:37,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 11:48:37,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 11:48:37,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 11:48:37,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 11:48:37,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 11:48:37,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 11:48:37,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 11:48:37,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 11:48:37,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 11:48:37,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 11:48:37,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 11:48:37,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 11:48:37,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 11:48:37,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 11:48:37,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 11:48:37,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 11:48:37,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 11:48:37,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 11:48:37,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 11:48:37,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 11:48:37,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 11:48:37,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 11:48:37,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 11:48:37,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 11:48:37,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 11:48:37,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 11:48:37,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 11:48:37,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 11:48:37,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 11:48:37,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 11:48:37,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 11:48:37,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 11:48:37,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 11:48:37,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 11:48:37,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 11:48:37,293 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 11:48:37,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 11:48:37,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 11:48:37,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 11:48:37,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 11:48:37,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 11:48:37,295 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 11:48:37,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 11:48:37,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 11:48:37,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 11:48:37,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 11:48:37,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 11:48:37,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 11:48:37,296 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 11:48:37,296 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 11:48:37,296 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 11:48:37,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 11:48:37,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 11:48:37,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 11:48:37,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 11:48:37,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 11:48:37,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 11:48:37,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 11:48:37,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 11:48:37,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 11:48:37,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 11:48:37,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 11:48:37,298 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 11:48:37,298 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 11:48:37,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 11:48:37,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 11:48:37,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 11:48:37,299 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 11:48:37,299 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 11:48:37,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 11:48:37,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 11:48:37,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 11:48:37,501 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 11:48:37,502 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 11:48:37,503 INFO L432 ainManager$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 11:48:37,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8c71ff24/746b6c7e7fb148dc8d314cf9ad5fbbbd/FLAG68800594f [2022-01-10 11:48:37,851 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 11:48:37,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sqrt_Householder_interval.c [2022-01-10 11:48:37,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8c71ff24/746b6c7e7fb148dc8d314cf9ad5fbbbd/FLAG68800594f [2022-01-10 11:48:38,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8c71ff24/746b6c7e7fb148dc8d314cf9ad5fbbbd [2022-01-10 11:48:38,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 11:48:38,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 11:48:38,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 11:48:38,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 11:48:38,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 11:48:38,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:48:38" (1/1) ... [2022-01-10 11:48:38,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7601c119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:48:38, skipping insertion in model container [2022-01-10 11:48:38,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:48:38" (1/1) ... [2022-01-10 11:48:38,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 11:48:38,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 11:48:38,449 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 11:48:38,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 11:48:38,484 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 11:48:38,498 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 11:48:38,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 11:48:38,522 INFO L208 MainTranslator]: Completed translation [2022-01-10 11:48:38,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:48:38 WrapperNode [2022-01-10 11:48:38,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 11:48:38,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 11:48:38,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 11:48:38,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 11:48:38,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:48:38" (1/1) ... [2022-01-10 11:48:38,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:48:38" (1/1) ... [2022-01-10 11:48:38,556 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2022-01-10 11:48:38,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 11:48:38,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 11:48:38,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 11:48:38,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 11:48:38,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:48:38" (1/1) ... [2022-01-10 11:48:38,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:48:38" (1/1) ... [2022-01-10 11:48:38,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:48:38" (1/1) ... [2022-01-10 11:48:38,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:48:38" (1/1) ... [2022-01-10 11:48:38,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:48:38" (1/1) ... [2022-01-10 11:48:38,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:48:38" (1/1) ... [2022-01-10 11:48:38,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:48:38" (1/1) ... [2022-01-10 11:48:38,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 11:48:38,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 11:48:38,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 11:48:38,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 11:48:38,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:48:38" (1/1) ... [2022-01-10 11:48:38,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 11:48:38,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 11:48:38,697 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 11:48:38,712 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 11:48:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 11:48:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 11:48:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 11:48:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 11:48:38,773 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 11:48:38,774 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 11:48:38,917 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 11:48:38,921 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 11:48:38,921 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 11:48:38,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:48:38 BoogieIcfgContainer [2022-01-10 11:48:38,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 11:48:38,923 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 11:48:38,923 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 11:48:38,927 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 11:48:38,930 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:48:38" (1/1) ... [2022-01-10 11:48:38,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:48:38 BasicIcfg [2022-01-10 11:48:39,000 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 11:48:39,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 11:48:39,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 11:48:39,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 11:48:39,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 11:48:38" (1/4) ... [2022-01-10 11:48:39,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515a7601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:48:39, skipping insertion in model container [2022-01-10 11:48:39,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:48:38" (2/4) ... [2022-01-10 11:48:39,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515a7601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:48:39, skipping insertion in model container [2022-01-10 11:48:39,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:48:38" (3/4) ... [2022-01-10 11:48:39,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515a7601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:48:39, skipping insertion in model container [2022-01-10 11:48:39,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:48:38" (4/4) ... [2022-01-10 11:48:39,005 INFO L111 eAbstractionObserver]: Analyzing ICFG sqrt_Householder_interval.cTransformedIcfg [2022-01-10 11:48:39,010 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 11:48:39,010 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 11:48:39,039 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 11:48:39,044 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 11:48:39,044 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 11:48:39,053 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 11:48:39,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 11:48:39,056 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:48:39,057 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:48:39,057 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 11:48:39,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:48:39,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1602780461, now seen corresponding path program 1 times [2022-01-10 11:48:39,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:48:39,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526762244] [2022-01-10 11:48:39,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:48:39,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:48:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:48:39,208 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 11:48:39,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:48:39,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526762244] [2022-01-10 11:48:39,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526762244] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 11:48:39,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 11:48:39,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 11:48:39,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925924182] [2022-01-10 11:48:39,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 11:48:39,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 11:48:39,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:48:39,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 11:48:39,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 11:48:39,239 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 11:48:39,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:48:39,250 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-01-10 11:48:39,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 11:48:39,252 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 11:48:39,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:48:39,257 INFO L225 Difference]: With dead ends: 29 [2022-01-10 11:48:39,257 INFO L226 Difference]: Without dead ends: 12 [2022-01-10 11:48:39,259 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 11:48:39,262 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 11:48:39,263 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 11:48:39,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-01-10 11:48:39,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-01-10 11:48:39,290 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 11:48:39,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2022-01-10 11:48:39,291 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 11 [2022-01-10 11:48:39,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:48:39,292 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2022-01-10 11:48:39,292 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 11:48:39,293 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-01-10 11:48:39,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 11:48:39,294 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:48:39,294 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:48:39,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 11:48:39,294 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 11:48:39,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:48:39,297 INFO L85 PathProgramCache]: Analyzing trace with hash 885655893, now seen corresponding path program 1 times [2022-01-10 11:48:39,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:48:39,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54878049] [2022-01-10 11:48:39,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:48:39,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:48:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 11:48:39,329 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 11:48:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 11:48:39,378 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 11:48:39,378 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 11:48:39,379 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 11:48:39,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 11:48:39,385 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 11:48:39,386 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 11:48:39,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:48:39 BasicIcfg [2022-01-10 11:48:39,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 11:48:39,415 INFO L158 Benchmark]: Toolchain (without parser) took 1120.01ms. Allocated memory was 183.5MB in the beginning and 252.7MB in the end (delta: 69.2MB). Free memory was 129.5MB in the beginning and 182.5MB in the end (delta: -53.0MB). Peak memory consumption was 16.2MB. Max. memory is 8.0GB. [2022-01-10 11:48:39,415 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 11:48:39,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.73ms. Allocated memory was 183.5MB in the beginning and 252.7MB in the end (delta: 69.2MB). Free memory was 129.3MB in the beginning and 225.5MB in the end (delta: -96.2MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. [2022-01-10 11:48:39,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.97ms. Allocated memory is still 252.7MB. Free memory was 225.5MB in the beginning and 223.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 11:48:39,425 INFO L158 Benchmark]: Boogie Preprocessor took 34.56ms. Allocated memory is still 252.7MB. Free memory was 223.9MB in the beginning and 222.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 11:48:39,426 INFO L158 Benchmark]: RCFGBuilder took 330.94ms. Allocated memory is still 252.7MB. Free memory was 222.3MB in the beginning and 211.3MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-10 11:48:39,426 INFO L158 Benchmark]: IcfgTransformer took 76.44ms. Allocated memory is still 252.7MB. Free memory was 211.3MB in the beginning and 208.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 11:48:39,426 INFO L158 Benchmark]: TraceAbstraction took 413.39ms. Allocated memory is still 252.7MB. Free memory was 208.2MB in the beginning and 182.5MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-01-10 11:48:39,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 225.73ms. Allocated memory was 183.5MB in the beginning and 252.7MB in the end (delta: 69.2MB). Free memory was 129.3MB in the beginning and 225.5MB in the end (delta: -96.2MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.97ms. Allocated memory is still 252.7MB. Free memory was 225.5MB in the beginning and 223.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.56ms. Allocated memory is still 252.7MB. Free memory was 223.9MB in the beginning and 222.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 330.94ms. Allocated memory is still 252.7MB. Free memory was 222.3MB in the beginning and 211.3MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * IcfgTransformer took 76.44ms. Allocated memory is still 252.7MB. Free memory was 211.3MB in the beginning and 208.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 413.39ms. Allocated memory is still 252.7MB. Free memory was 208.2MB in the beginning and 182.5MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. 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: 0.1s, 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 11:48:39,463 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...