/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_SUM.epf -i ../../../trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 05:19:56,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 05:19:56,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 05:19:56,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 05:19:56,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 05:19:56,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 05:19:56,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 05:19:56,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 05:19:56,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 05:19:56,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 05:19:56,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 05:19:56,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 05:19:56,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 05:19:56,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 05:19:56,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 05:19:56,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 05:19:56,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 05:19:56,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 05:19:56,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 05:19:56,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 05:19:56,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 05:19:56,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 05:19:56,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 05:19:56,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 05:19:56,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 05:19:56,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 05:19:56,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 05:19:56,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 05:19:56,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 05:19:56,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 05:19:56,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 05:19:56,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 05:19:56,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 05:19:56,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 05:19:56,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 05:19:56,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 05:19:56,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 05:19:56,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 05:19:56,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 05:19:56,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 05:19:56,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 05:19:56,193 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 05:19:56,220 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 05:19:56,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 05:19:56,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 05:19:56,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 05:19:56,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 05:19:56,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 05:19:56,221 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 05:19:56,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 05:19:56,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 05:19:56,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 05:19:56,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 05:19:56,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 05:19:56,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 05:19:56,221 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 05:19:56,222 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 05:19:56,222 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 05:19:56,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 05:19:56,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 05:19:56,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 05:19:56,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 05:19:56,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 05:19:56,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:19:56,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 05:19:56,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 05:19:56,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 05:19:56,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 05:19:56,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 05:19:56,223 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 05:19:56,223 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 05:19:56,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 05:19:56,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 05:19:56,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 05:19:56,223 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 05:19:56,224 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 05:19:56,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 05:19:56,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 05:19:56,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 05:19:56,409 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 05:19:56,412 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 05:19:56,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i [2022-01-11 05:19:56,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d0f9416/7bf5812673cc4ec19f2e3bd76ba4beac/FLAG568923738 [2022-01-11 05:19:56,762 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 05:19:56,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i [2022-01-11 05:19:56,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d0f9416/7bf5812673cc4ec19f2e3bd76ba4beac/FLAG568923738 [2022-01-11 05:19:57,212 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d0f9416/7bf5812673cc4ec19f2e3bd76ba4beac [2022-01-11 05:19:57,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 05:19:57,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 05:19:57,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 05:19:57,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 05:19:57,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 05:19:57,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:19:57" (1/1) ... [2022-01-11 05:19:57,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f2e9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:19:57, skipping insertion in model container [2022-01-11 05:19:57,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:19:57" (1/1) ... [2022-01-11 05:19:57,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 05:19:57,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 05:19:57,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i[295,308] [2022-01-11 05:19:57,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:19:57,433 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 05:19:57,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i[295,308] [2022-01-11 05:19:57,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:19:57,466 INFO L208 MainTranslator]: Completed translation [2022-01-11 05:19:57,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:19:57 WrapperNode [2022-01-11 05:19:57,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 05:19:57,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 05:19:57,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 05:19:57,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 05:19:57,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:19:57" (1/1) ... [2022-01-11 05:19:57,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:19:57" (1/1) ... [2022-01-11 05:19:57,486 INFO L137 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 36 [2022-01-11 05:19:57,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 05:19:57,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 05:19:57,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 05:19:57,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 05:19:57,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:19:57" (1/1) ... [2022-01-11 05:19:57,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:19:57" (1/1) ... [2022-01-11 05:19:57,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:19:57" (1/1) ... [2022-01-11 05:19:57,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:19:57" (1/1) ... [2022-01-11 05:19:57,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:19:57" (1/1) ... [2022-01-11 05:19:57,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:19:57" (1/1) ... [2022-01-11 05:19:57,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:19:57" (1/1) ... [2022-01-11 05:19:57,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 05:19:57,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 05:19:57,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 05:19:57,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 05:19:57,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:19:57" (1/1) ... [2022-01-11 05:19:57,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:19:57,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 05:19:57,522 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) [2022-01-11 05:19:57,525 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 [2022-01-11 05:19:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 05:19:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 05:19:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-11 05:19:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-11 05:19:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 05:19:57,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 05:19:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-11 05:19:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-11 05:19:57,661 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 05:19:57,663 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 05:19:57,746 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 05:19:57,750 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 05:19:57,750 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-11 05:19:57,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:19:57 BoogieIcfgContainer [2022-01-11 05:19:57,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 05:19:57,752 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 05:19:57,752 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 05:19:57,753 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 05:19:57,755 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:19:57" (1/1) ... [2022-01-11 05:19:57,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:19:57 BasicIcfg [2022-01-11 05:19:57,794 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 05:19:57,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 05:19:57,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 05:19:57,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 05:19:57,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 05:19:57" (1/4) ... [2022-01-11 05:19:57,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c38c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:19:57, skipping insertion in model container [2022-01-11 05:19:57,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:19:57" (2/4) ... [2022-01-11 05:19:57,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c38c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:19:57, skipping insertion in model container [2022-01-11 05:19:57,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:19:57" (3/4) ... [2022-01-11 05:19:57,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c38c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:19:57, skipping insertion in model container [2022-01-11 05:19:57,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:19:57" (4/4) ... [2022-01-11 05:19:57,799 INFO L111 eAbstractionObserver]: Analyzing ICFG mutex_lock_struct.iTransformedIcfg [2022-01-11 05:19:57,802 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 05:19:57,802 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-11 05:19:57,830 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 05:19:57,834 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 [2022-01-11 05:19:57,834 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-11 05:19:57,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:19:57,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-01-11 05:19:57,846 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:19:57,846 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-01-11 05:19:57,847 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:19:57,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:19:57,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1971204, now seen corresponding path program 1 times [2022-01-11 05:19:57,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:19:57,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210636054] [2022-01-11 05:19:57,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:19:57,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:19:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:19:57,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 05:19:57,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:19:57,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210636054] [2022-01-11 05:19:57,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210636054] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:19:57,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:19:57,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 05:19:58,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153519642] [2022-01-11 05:19:58,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:19:58,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 05:19:58,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:19:58,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 05:19:58,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:19:58,024 INFO L87 Difference]: Start difference. First operand has 17 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-01-11 05:19:58,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:19:58,040 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2022-01-11 05:19:58,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 05:19:58,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-01-11 05:19:58,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:19:58,047 INFO L225 Difference]: With dead ends: 27 [2022-01-11 05:19:58,047 INFO L226 Difference]: Without dead ends: 8 [2022-01-11 05:19:58,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:19:58,052 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 05:19:58,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:19:58,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-01-11 05:19:58,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-01-11 05:19:58,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 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) [2022-01-11 05:19:58,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-01-11 05:19:58,071 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 4 [2022-01-11 05:19:58,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:19:58,072 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-01-11 05:19:58,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-01-11 05:19:58,072 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-01-11 05:19:58,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-01-11 05:19:58,073 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:19:58,073 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:19:58,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 05:19:58,073 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:19:58,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:19:58,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1404378937, now seen corresponding path program 1 times [2022-01-11 05:19:58,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:19:58,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328076249] [2022-01-11 05:19:58,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:19:58,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:19:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 05:19:58,114 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-11 05:19:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 05:19:58,150 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-11 05:19:58,150 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-11 05:19:58,151 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-11 05:19:58,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-11 05:19:58,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 05:19:58,155 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-11 05:19:58,157 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 05:19:58,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:19:58 BasicIcfg [2022-01-11 05:19:58,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 05:19:58,177 INFO L158 Benchmark]: Toolchain (without parser) took 960.63ms. Allocated memory was 161.5MB in the beginning and 202.4MB in the end (delta: 40.9MB). Free memory was 106.1MB in the beginning and 131.3MB in the end (delta: -25.2MB). Peak memory consumption was 16.2MB. Max. memory is 8.0GB. [2022-01-11 05:19:58,177 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 161.5MB. Free memory was 121.9MB in the beginning and 121.9MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 05:19:58,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.94ms. Allocated memory was 161.5MB in the beginning and 202.4MB in the end (delta: 40.9MB). Free memory was 105.9MB in the beginning and 175.3MB in the end (delta: -69.4MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2022-01-11 05:19:58,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.95ms. Allocated memory is still 202.4MB. Free memory was 175.3MB in the beginning and 173.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-11 05:19:58,178 INFO L158 Benchmark]: Boogie Preprocessor took 12.03ms. Allocated memory is still 202.4MB. Free memory was 173.7MB in the beginning and 172.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-11 05:19:58,178 INFO L158 Benchmark]: RCFGBuilder took 251.93ms. Allocated memory is still 202.4MB. Free memory was 172.7MB in the beginning and 162.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-11 05:19:58,179 INFO L158 Benchmark]: IcfgTransformer took 42.80ms. Allocated memory is still 202.4MB. Free memory was 162.7MB in the beginning and 159.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-11 05:19:58,179 INFO L158 Benchmark]: TraceAbstraction took 380.66ms. Allocated memory is still 202.4MB. Free memory was 159.1MB in the beginning and 131.3MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-01-11 05:19:58,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 161.5MB. Free memory was 121.9MB in the beginning and 121.9MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 248.94ms. Allocated memory was 161.5MB in the beginning and 202.4MB in the end (delta: 40.9MB). Free memory was 105.9MB in the beginning and 175.3MB in the end (delta: -69.4MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.95ms. Allocated memory is still 202.4MB. Free memory was 175.3MB in the beginning and 173.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.03ms. Allocated memory is still 202.4MB. Free memory was 173.7MB in the beginning and 172.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 251.93ms. Allocated memory is still 202.4MB. Free memory was 172.7MB in the beginning and 162.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 42.80ms. Allocated memory is still 202.4MB. Free memory was 162.7MB in the beginning and 159.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 380.66ms. Allocated memory is still 202.4MB. Free memory was 159.1MB in the beginning and 131.3MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L35] struct mutex m; [L36] m.is_locked = 0 [L38] CALL mutex_lock(&m) [L23] EXPR a->is_locked VAL [a={-3:0}, a={-3:0}, a->is_locked=0] [L23] COND FALSE !(a->is_locked == 1) [L24] a->is_locked = 1 VAL [a={-3:0}, a={-3:0}] [L38] RET mutex_lock(&m) [L42] CALL mutex_lock(&m) [L23] EXPR a->is_locked VAL [a={-3:0}, a={-3:0}, a->is_locked=-1] [L23] COND TRUE a->is_locked == 1 [L23] CALL err() [L15] reach_error() - UnprovableResult [Line: 15]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 2 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, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-01-11 05:19:58,231 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...