/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:33:43,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:33:43,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:33:43,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:33:43,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:33:43,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:33:43,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:33:43,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:33:43,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:33:43,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:33:43,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:33:43,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:33:43,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:33:43,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:33:43,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:33:43,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:33:43,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:33:43,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:33:43,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:33:43,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:33:43,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:33:43,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:33:43,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:33:43,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:33:43,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 06:33:43,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:33:43,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:33:43,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:33:43,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:33:43,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:33:43,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:33:43,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:33:43,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:33:43,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:33:43,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:33:43,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:33:43,590 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:33:43,628 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:33:43,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:33:43,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:33:43,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:33:43,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:33:43,630 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:33:43,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:33:43,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:33:43,631 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:33:43,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:33:43,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:33:43,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:33:43,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:33:43,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:33:43,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:33:43,633 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:33:43,633 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:33:43,633 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:33:43,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:33:43,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:33:43,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:33:43,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:33:43,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:33:43,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:43,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:33:43,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:33:43,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:33:43,636 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:33:43,636 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:33:43,636 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:33:43,636 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:33:43,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:33:43,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:33:43,637 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:33:43,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:33:43,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:33:43,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:33:43,859 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:33:43,859 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:33:43,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c [2022-01-10 06:33:43,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ea97885/b8459f2f86414fd797884daf7827b15d/FLAGf455cb51f [2022-01-10 06:33:44,310 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:33:44,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c [2022-01-10 06:33:44,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ea97885/b8459f2f86414fd797884daf7827b15d/FLAGf455cb51f [2022-01-10 06:33:44,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ea97885/b8459f2f86414fd797884daf7827b15d [2022-01-10 06:33:44,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:33:44,342 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:33:44,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:44,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:33:44,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:33:44,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:44" (1/1) ... [2022-01-10 06:33:44,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf26fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:44, skipping insertion in model container [2022-01-10 06:33:44,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:44" (1/1) ... [2022-01-10 06:33:44,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:33:44,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:44,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c[13817,13830] [2022-01-10 06:33:44,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:44,620 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:33:44,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:44,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c[13817,13830] [2022-01-10 06:33:44,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:44,684 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:33:44,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product21.cil.c[13817,13830] [2022-01-10 06:33:44,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:44,740 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:33:44,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:44 WrapperNode [2022-01-10 06:33:44,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:44,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:44,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:33:44,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:33:44,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:44" (1/1) ... [2022-01-10 06:33:44,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:44" (1/1) ... [2022-01-10 06:33:44,796 INFO L137 Inliner]: procedures = 55, calls = 154, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 231 [2022-01-10 06:33:44,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:44,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:33:44,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:33:44,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:33:44,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:44" (1/1) ... [2022-01-10 06:33:44,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:44" (1/1) ... [2022-01-10 06:33:44,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:44" (1/1) ... [2022-01-10 06:33:44,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:44" (1/1) ... [2022-01-10 06:33:44,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:44" (1/1) ... [2022-01-10 06:33:44,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:44" (1/1) ... [2022-01-10 06:33:44,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:44" (1/1) ... [2022-01-10 06:33:44,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:33:44,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:33:44,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:33:44,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:33:44,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:44" (1/1) ... [2022-01-10 06:33:44,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:44,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:33:44,878 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 06:33:44,880 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 06:33:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:33:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:33:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:33:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:33:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:33:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:33:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:33:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:33:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:33:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:33:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:33:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-01-10 06:33:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-01-10 06:33:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:33:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:33:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:33:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:33:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:33:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:33:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:33:44,992 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:33:45,007 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:33:45,203 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:33:45,207 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:33:45,208 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:33:45,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:45 BoogieIcfgContainer [2022-01-10 06:33:45,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:33:45,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:33:45,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:33:45,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:33:45,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:33:44" (1/3) ... [2022-01-10 06:33:45,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd1f993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:45, skipping insertion in model container [2022-01-10 06:33:45,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:44" (2/3) ... [2022-01-10 06:33:45,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd1f993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:45, skipping insertion in model container [2022-01-10 06:33:45,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:45" (3/3) ... [2022-01-10 06:33:45,219 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product21.cil.c [2022-01-10 06:33:45,222 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:33:45,223 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:33:45,257 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:33:45,262 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 06:33:45,262 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:33:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 73 states have internal predecessors, (90), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:33:45,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:33:45,281 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:45,281 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:45,282 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:45,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:45,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1281352950, now seen corresponding path program 1 times [2022-01-10 06:33:45,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:45,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827869944] [2022-01-10 06:33:45,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:45,294 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:45,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:45,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:45,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:33:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:45,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:33:45,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:45,474 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 06:33:45,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:45,475 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:45,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827869944] [2022-01-10 06:33:45,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827869944] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:45,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:45,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:45,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394425457] [2022-01-10 06:33:45,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:45,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:33:45,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:45,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:33:45,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:45,501 INFO L87 Difference]: Start difference. First operand has 89 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 73 states have internal predecessors, (90), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:45,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:45,522 INFO L93 Difference]: Finished difference Result 170 states and 231 transitions. [2022-01-10 06:33:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:33:45,524 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-01-10 06:33:45,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:45,529 INFO L225 Difference]: With dead ends: 170 [2022-01-10 06:33:45,529 INFO L226 Difference]: Without dead ends: 80 [2022-01-10 06:33:45,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 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 06:33:45,534 INFO L933 BasicCegarLoop]: 112 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, 112 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 06:33:45,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:45,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-01-10 06:33:45,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-01-10 06:33:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 65 states have internal predecessors, (76), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:33:45,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-01-10 06:33:45,561 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 25 [2022-01-10 06:33:45,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:45,561 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-01-10 06:33:45,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:45,561 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-01-10 06:33:45,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:33:45,563 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:45,563 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:45,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:45,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:45,771 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:45,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:45,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1199577739, now seen corresponding path program 1 times [2022-01-10 06:33:45,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:45,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153599169] [2022-01-10 06:33:45,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:45,773 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:45,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:45,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:45,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:33:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:45,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:45,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:45,898 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 06:33:45,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:45,898 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:45,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1153599169] [2022-01-10 06:33:45,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1153599169] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:45,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:45,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:45,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147305610] [2022-01-10 06:33:45,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:45,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:45,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:45,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:45,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:45,908 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:45,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:45,931 INFO L93 Difference]: Finished difference Result 126 states and 162 transitions. [2022-01-10 06:33:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:45,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-01-10 06:33:45,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:45,935 INFO L225 Difference]: With dead ends: 126 [2022-01-10 06:33:45,935 INFO L226 Difference]: Without dead ends: 71 [2022-01-10 06:33:45,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:45,944 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 12 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:45,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 164 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:45,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-01-10 06:33:45,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-01-10 06:33:45,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 59 states have internal predecessors, (69), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:33:45,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2022-01-10 06:33:45,960 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 26 [2022-01-10 06:33:45,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:45,961 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2022-01-10 06:33:45,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:45,961 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2022-01-10 06:33:45,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-10 06:33:45,962 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:45,962 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:45,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:46,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:46,163 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:46,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:46,163 INFO L85 PathProgramCache]: Analyzing trace with hash -340504598, now seen corresponding path program 1 times [2022-01-10 06:33:46,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:46,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438936792] [2022-01-10 06:33:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:46,164 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:46,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:46,165 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:46,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:33:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:46,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:46,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:46,282 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 06:33:46,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:46,283 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:46,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438936792] [2022-01-10 06:33:46,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438936792] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:46,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:46,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:46,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133528410] [2022-01-10 06:33:46,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:46,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:46,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:46,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:46,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:46,284 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:46,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:46,293 INFO L93 Difference]: Finished difference Result 135 states and 176 transitions. [2022-01-10 06:33:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:46,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-01-10 06:33:46,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:46,295 INFO L225 Difference]: With dead ends: 135 [2022-01-10 06:33:46,295 INFO L226 Difference]: Without dead ends: 71 [2022-01-10 06:33:46,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:46,296 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 73 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:46,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 89 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:46,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-01-10 06:33:46,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-01-10 06:33:46,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 59 states have internal predecessors, (68), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:33:46,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-01-10 06:33:46,312 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 30 [2022-01-10 06:33:46,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:46,312 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-01-10 06:33:46,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:46,312 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-01-10 06:33:46,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-10 06:33:46,313 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:46,313 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:46,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:46,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:46,527 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:46,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:46,527 INFO L85 PathProgramCache]: Analyzing trace with hash 258812542, now seen corresponding path program 1 times [2022-01-10 06:33:46,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:46,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366030125] [2022-01-10 06:33:46,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:46,528 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:46,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:46,529 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:46,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:33:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:46,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:33:46,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:46,693 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 06:33:46,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:46,694 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:46,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366030125] [2022-01-10 06:33:46,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366030125] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:46,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:46,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:33:46,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556897266] [2022-01-10 06:33:46,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:46,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:46,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:46,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:46,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:46,698 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:33:46,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:46,759 INFO L93 Difference]: Finished difference Result 195 states and 256 transitions. [2022-01-10 06:33:46,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:33:46,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2022-01-10 06:33:46,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:46,764 INFO L225 Difference]: With dead ends: 195 [2022-01-10 06:33:46,765 INFO L226 Difference]: Without dead ends: 131 [2022-01-10 06:33:46,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:33:46,768 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 51 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:46,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 368 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:46,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-01-10 06:33:46,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2022-01-10 06:33:46,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 92 states have (on average 1.3043478260869565) internal successors, (120), 104 states have internal predecessors, (120), 22 states have call successors, (22), 14 states have call predecessors, (22), 13 states have return successors, (23), 13 states have call predecessors, (23), 22 states have call successors, (23) [2022-01-10 06:33:46,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 165 transitions. [2022-01-10 06:33:46,780 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 165 transitions. Word has length 40 [2022-01-10 06:33:46,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:46,780 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 165 transitions. [2022-01-10 06:33:46,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:33:46,781 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 165 transitions. [2022-01-10 06:33:46,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-10 06:33:46,782 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:46,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:46,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:46,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:46,993 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:46,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:46,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1790167811, now seen corresponding path program 1 times [2022-01-10 06:33:46,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:46,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469679543] [2022-01-10 06:33:46,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:46,995 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:46,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:46,996 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:46,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 06:33:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:47,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:47,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:47,126 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 06:33:47,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:47,126 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:47,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1469679543] [2022-01-10 06:33:47,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1469679543] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:47,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:47,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:47,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664729710] [2022-01-10 06:33:47,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:47,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:47,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:47,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:47,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:47,128 INFO L87 Difference]: Start difference. First operand 128 states and 165 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:33:47,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:47,144 INFO L93 Difference]: Finished difference Result 214 states and 277 transitions. [2022-01-10 06:33:47,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:47,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-01-10 06:33:47,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:47,146 INFO L225 Difference]: With dead ends: 214 [2022-01-10 06:33:47,146 INFO L226 Difference]: Without dead ends: 93 [2022-01-10 06:33:47,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:47,147 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:47,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 57 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:47,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-01-10 06:33:47,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-01-10 06:33:47,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 73 states have internal predecessors, (84), 12 states have call successors, (12), 12 states have call predecessors, (12), 11 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-01-10 06:33:47,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 108 transitions. [2022-01-10 06:33:47,167 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 108 transitions. Word has length 42 [2022-01-10 06:33:47,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:47,168 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 108 transitions. [2022-01-10 06:33:47,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:33:47,168 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 108 transitions. [2022-01-10 06:33:47,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-10 06:33:47,174 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:47,174 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:47,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:47,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:47,381 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:47,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:47,382 INFO L85 PathProgramCache]: Analyzing trace with hash 20451684, now seen corresponding path program 1 times [2022-01-10 06:33:47,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:47,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455408146] [2022-01-10 06:33:47,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:47,382 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:47,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:47,383 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:47,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 06:33:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 06:33:47,438 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 06:33:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 06:33:47,525 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-01-10 06:33:47,525 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 06:33:47,526 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:33:47,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:47,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:47,730 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-01-10 06:33:47,732 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:33:47,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:33:47 BoogieIcfgContainer [2022-01-10 06:33:47,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:33:47,784 INFO L158 Benchmark]: Toolchain (without parser) took 3441.64ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 124.9MB in the beginning and 148.3MB in the end (delta: -23.3MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. [2022-01-10 06:33:47,784 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 176.2MB. Free memory was 142.2MB in the beginning and 142.0MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:33:47,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.41ms. Allocated memory is still 176.2MB. Free memory was 124.8MB in the beginning and 138.3MB in the end (delta: -13.5MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2022-01-10 06:33:47,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.19ms. Allocated memory is still 176.2MB. Free memory was 138.3MB in the beginning and 135.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:33:47,785 INFO L158 Benchmark]: Boogie Preprocessor took 39.87ms. Allocated memory is still 176.2MB. Free memory was 135.7MB in the beginning and 134.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:33:47,785 INFO L158 Benchmark]: RCFGBuilder took 371.81ms. Allocated memory is still 176.2MB. Free memory was 134.1MB in the beginning and 117.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 06:33:47,786 INFO L158 Benchmark]: TraceAbstraction took 2573.72ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 116.8MB in the beginning and 148.3MB in the end (delta: -31.5MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 06:33:47,787 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 176.2MB. Free memory was 142.2MB in the beginning and 142.0MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 397.41ms. Allocated memory is still 176.2MB. Free memory was 124.8MB in the beginning and 138.3MB in the end (delta: -13.5MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.19ms. Allocated memory is still 176.2MB. Free memory was 138.3MB in the beginning and 135.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.87ms. Allocated memory is still 176.2MB. Free memory was 135.7MB in the beginning and 134.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 371.81ms. Allocated memory is still 176.2MB. Free memory was 134.1MB in the beginning and 117.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2573.72ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 116.8MB in the beginning and 148.3MB in the end (delta: -31.5MB). Peak memory consumption was 5.2MB. 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 - CounterExampleResult [Line: 608]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L425] int pumpRunning = 0; [L426] int systemActive = 1; [L682] int waterLevel = 1; [L683] int methaneLevelCritical = 0; [L771] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L847] int retValue_acc ; [L848] int tmp ; [L852] FCALL select_helpers() [L853] FCALL select_features() [L854] CALL, EXPR valid_product() [L930] int retValue_acc ; [L933] retValue_acc = 1 [L934] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L854] RET, EXPR valid_product() [L854] tmp = valid_product() [L856] COND TRUE \read(tmp) [L858] FCALL setup() [L859] CALL runTest() [L838] CALL test() [L617] int splverifierCounter ; [L618] int tmp ; [L619] int tmp___0 ; [L620] int tmp___1 ; [L621] int tmp___2 ; [L624] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L626] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L628] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L634] tmp = __VERIFIER_nondet_int() [L636] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2147483648, waterLevel=1] [L638] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L700] COND TRUE waterLevel < 2 [L701] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L638] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2147483648, waterLevel=2] [L644] tmp___0 = __VERIFIER_nondet_int() [L646] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2147483648, tmp___0=0, waterLevel=2] [L654] tmp___2 = __VERIFIER_nondet_int() [L656] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2147483648, tmp___0=0, tmp___2=2147483648, waterLevel=2] [L669] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L440] COND TRUE \read(systemActive) [L442] CALL processEnvironment() [L488] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L491] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L506] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L462] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L465] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L480] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L506] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L442] RET processEnvironment() [L448] CALL __utac_acc__Specification3_spec__1() [L871] int tmp ; [L872] int tmp___0 ; [L873] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L877] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L721] int retValue_acc ; [L724] retValue_acc = methaneLevelCritical [L725] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L877] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L877] tmp = isMethaneLevelCritical() [L879] COND FALSE !(\read(tmp)) [L883] CALL, EXPR getWaterLevel() [L753] int retValue_acc ; [L756] retValue_acc = waterLevel [L757] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L883] RET, EXPR getWaterLevel() [L883] tmp___0 = getWaterLevel() [L885] COND TRUE tmp___0 == 2 [L887] CALL, EXPR isPumpRunning() [L540] int retValue_acc ; [L543] retValue_acc = pumpRunning [L544] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L887] RET, EXPR isPumpRunning() [L887] tmp___1 = isPumpRunning() [L889] COND FALSE !(\read(tmp___1)) [L893] CALL __automaton_fail() [L608] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 790 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 344 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 446 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 SizeOfPredicates, 6 NumberOfNonLiveVariables, 805 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2022-01-10 06:33:47,819 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...