/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_spec2_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:33:10,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:33:10,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:33:10,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:33:10,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:33:10,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:33:10,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:33:10,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:33:10,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:33:10,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:33:10,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:33:10,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:33:10,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:33:10,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:33:10,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:33:10,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:33:10,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:33:10,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:33:10,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:33:10,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:33:10,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:33:10,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:33:10,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:33:10,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:33:10,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:33:10,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:33:10,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:33:10,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:33:10,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:33:10,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:33:10,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:33:10,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:33:10,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:33:10,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:33:10,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:33:10,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:33:10,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:33:10,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:33:10,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:33:10,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:33:10,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:33:10,412 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 06:33:10,433 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:33:10,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:33:10,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:33:10,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:33:10,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:33:10,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:33:10,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:33:10,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:33:10,435 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:33:10,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:33:10,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:33:10,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:33:10,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:33:10,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:33:10,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:33:10,437 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:33:10,437 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:33:10,437 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:33:10,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:33:10,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:33:10,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:33:10,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:33:10,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:33:10,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:10,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:33:10,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:33:10,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:33:10,438 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:33:10,438 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:33:10,438 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:33:10,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:33:10,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:33:10,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:33:10,439 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:33:10,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:33:10,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:33:10,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:33:10,630 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:33:10,630 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:33:10,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c [2022-01-10 06:33:10,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34d06d5bb/cfa6c31d167b4903a7a9b055c9a4234e/FLAGa3bbaa1bc [2022-01-10 06:33:11,072 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:33:11,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c [2022-01-10 06:33:11,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34d06d5bb/cfa6c31d167b4903a7a9b055c9a4234e/FLAGa3bbaa1bc [2022-01-10 06:33:11,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34d06d5bb/cfa6c31d167b4903a7a9b055c9a4234e [2022-01-10 06:33:11,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:33:11,096 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:33:11,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:11,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:33:11,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:33:11,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:11" (1/1) ... [2022-01-10 06:33:11,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea00376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:11, skipping insertion in model container [2022-01-10 06:33:11,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:11" (1/1) ... [2022-01-10 06:33:11,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:33:11,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:11,463 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_spec2_product48.cil.c[17766,17779] [2022-01-10 06:33:11,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:11,479 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:33:11,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:11,550 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_spec2_product48.cil.c[17766,17779] [2022-01-10 06:33:11,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:11,556 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:33:11,588 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_spec2_product48.cil.c[17766,17779] [2022-01-10 06:33:11,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:11,608 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:33:11,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:11 WrapperNode [2022-01-10 06:33:11,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:11,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:11,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:33:11,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:33:11,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:11" (1/1) ... [2022-01-10 06:33:11,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:11" (1/1) ... [2022-01-10 06:33:11,651 INFO L137 Inliner]: procedures = 59, calls = 159, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 241 [2022-01-10 06:33:11,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:11,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:33:11,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:33:11,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:33:11,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:11" (1/1) ... [2022-01-10 06:33:11,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:11" (1/1) ... [2022-01-10 06:33:11,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:11" (1/1) ... [2022-01-10 06:33:11,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:11" (1/1) ... [2022-01-10 06:33:11,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:11" (1/1) ... [2022-01-10 06:33:11,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:11" (1/1) ... [2022-01-10 06:33:11,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:11" (1/1) ... [2022-01-10 06:33:11,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:33:11,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:33:11,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:33:11,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:33:11,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:11" (1/1) ... [2022-01-10 06:33:11,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:11,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:33:11,714 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 06:33:11,724 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 06:33:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:33:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:33:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:33:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:33:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:33:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:33:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:33:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:33:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:33:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:33:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:33:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:33:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:33:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:33:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-01-10 06:33:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-01-10 06:33:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:33:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:33:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:33:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:33:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:33:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:33:11,826 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:33:11,827 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:33:12,151 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:33:12,155 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:33:12,156 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:33:12,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:12 BoogieIcfgContainer [2022-01-10 06:33:12,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:33:12,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:33:12,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:33:12,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:33:12,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:33:11" (1/3) ... [2022-01-10 06:33:12,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9479bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:12, skipping insertion in model container [2022-01-10 06:33:12,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:11" (2/3) ... [2022-01-10 06:33:12,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9479bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:12, skipping insertion in model container [2022-01-10 06:33:12,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:12" (3/3) ... [2022-01-10 06:33:12,169 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2022-01-10 06:33:12,173 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:33:12,173 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:33:12,207 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:33:12,211 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 06:33:12,211 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:33:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-01-10 06:33:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:33:12,227 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:12,228 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 06:33:12,228 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:12,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:12,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1420238352, now seen corresponding path program 1 times [2022-01-10 06:33:12,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:12,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228118024] [2022-01-10 06:33:12,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:12,240 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:12,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:12,242 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 06:33:12,242 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 06:33:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:12,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:33:12,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:12,397 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 06:33:12,398 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:12,398 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:12,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228118024] [2022-01-10 06:33:12,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1228118024] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:12,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:12,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:12,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738749460] [2022-01-10 06:33:12,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:12,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:33:12,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:12,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:33:12,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:12,424 INFO L87 Difference]: Start difference. First operand has 103 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) 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 06:33:12,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:12,446 INFO L93 Difference]: Finished difference Result 197 states and 266 transitions. [2022-01-10 06:33:12,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:33:12,448 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 06:33:12,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:12,453 INFO L225 Difference]: With dead ends: 197 [2022-01-10 06:33:12,453 INFO L226 Difference]: Without dead ends: 94 [2022-01-10 06:33:12,457 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 06:33:12,459 INFO L933 BasicCegarLoop]: 130 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, 130 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 06:33:12,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:12,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-01-10 06:33:12,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-01-10 06:33:12,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 77 states have internal predecessors, (90), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2022-01-10 06:33:12,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 121 transitions. [2022-01-10 06:33:12,487 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 121 transitions. Word has length 25 [2022-01-10 06:33:12,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:12,488 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 121 transitions. [2022-01-10 06:33:12,488 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 06:33:12,488 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2022-01-10 06:33:12,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:33:12,489 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:12,489 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 06:33:12,496 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 06:33:12,698 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 06:33:12,699 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:12,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:12,699 INFO L85 PathProgramCache]: Analyzing trace with hash -193757144, now seen corresponding path program 1 times [2022-01-10 06:33:12,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:12,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [587496928] [2022-01-10 06:33:12,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:12,700 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:12,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:12,701 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 06:33:12,703 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 06:33:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:12,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:12,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:12,906 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 06:33:12,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:12,907 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:12,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [587496928] [2022-01-10 06:33:12,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [587496928] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:12,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:12,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:12,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032540721] [2022-01-10 06:33:12,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:12,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:12,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:12,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:12,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:12,915 INFO L87 Difference]: Start difference. First operand 94 states and 121 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 06:33:12,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:12,936 INFO L93 Difference]: Finished difference Result 148 states and 190 transitions. [2022-01-10 06:33:12,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:12,939 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 06:33:12,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:12,942 INFO L225 Difference]: With dead ends: 148 [2022-01-10 06:33:12,942 INFO L226 Difference]: Without dead ends: 85 [2022-01-10 06:33:12,945 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 06:33:12,945 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 17 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 194 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 06:33:12,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 194 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:12,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-01-10 06:33:12,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-01-10 06:33:12,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 71 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:33:12,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2022-01-10 06:33:12,958 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 26 [2022-01-10 06:33:12,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:12,958 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2022-01-10 06:33:12,958 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 06:33:12,958 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2022-01-10 06:33:12,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 06:33:12,959 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:12,959 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] [2022-01-10 06:33:12,980 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 06:33:13,168 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 06:33:13,168 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:13,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:13,169 INFO L85 PathProgramCache]: Analyzing trace with hash -150671396, now seen corresponding path program 1 times [2022-01-10 06:33:13,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:13,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826188424] [2022-01-10 06:33:13,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:13,170 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:13,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:13,171 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 06:33:13,177 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 06:33:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:13,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:13,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:13,304 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 06:33:13,304 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:13,304 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:13,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826188424] [2022-01-10 06:33:13,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826188424] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:13,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:13,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:13,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019254567] [2022-01-10 06:33:13,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:13,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:13,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:13,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:13,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:13,311 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 06:33:13,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:13,345 INFO L93 Difference]: Finished difference Result 237 states and 310 transitions. [2022-01-10 06:33:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:13,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 31 [2022-01-10 06:33:13,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:13,353 INFO L225 Difference]: With dead ends: 237 [2022-01-10 06:33:13,353 INFO L226 Difference]: Without dead ends: 160 [2022-01-10 06:33:13,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 06:33:13,356 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 86 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 235 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 06:33:13,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 235 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:13,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-01-10 06:33:13,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 157. [2022-01-10 06:33:13,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 129 states have internal predecessors, (153), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2022-01-10 06:33:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 205 transitions. [2022-01-10 06:33:13,385 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 205 transitions. Word has length 31 [2022-01-10 06:33:13,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:13,385 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 205 transitions. [2022-01-10 06:33:13,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 06:33:13,385 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 205 transitions. [2022-01-10 06:33:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-10 06:33:13,390 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:13,391 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] [2022-01-10 06:33:13,411 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 06:33:13,597 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 06:33:13,599 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:13,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:13,600 INFO L85 PathProgramCache]: Analyzing trace with hash 153261204, now seen corresponding path program 1 times [2022-01-10 06:33:13,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:13,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312171814] [2022-01-10 06:33:13,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:13,601 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:13,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:13,602 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 06:33:13,603 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 06:33:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:13,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:33:13,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:13,746 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 06:33:13,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:13,746 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:13,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1312171814] [2022-01-10 06:33:13,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1312171814] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:13,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:13,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:13,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244126484] [2022-01-10 06:33:13,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:13,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:13,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:13,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:13,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:13,749 INFO L87 Difference]: Start difference. First operand 157 states and 205 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 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 06:33:13,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:13,842 INFO L93 Difference]: Finished difference Result 453 states and 600 transitions. [2022-01-10 06:33:13,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:33:13,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 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 34 [2022-01-10 06:33:13,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:13,848 INFO L225 Difference]: With dead ends: 453 [2022-01-10 06:33:13,848 INFO L226 Difference]: Without dead ends: 304 [2022-01-10 06:33:13,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:33:13,853 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 76 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:13,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 543 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:13,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2022-01-10 06:33:13,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 298. [2022-01-10 06:33:13,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 213 states have (on average 1.3286384976525822) internal successors, (283), 242 states have internal predecessors, (283), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (54), 38 states have call predecessors, (54), 52 states have call successors, (54) [2022-01-10 06:33:13,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 389 transitions. [2022-01-10 06:33:13,882 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 389 transitions. Word has length 34 [2022-01-10 06:33:13,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:13,883 INFO L470 AbstractCegarLoop]: Abstraction has 298 states and 389 transitions. [2022-01-10 06:33:13,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 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 06:33:13,883 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 389 transitions. [2022-01-10 06:33:13,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:33:13,892 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:13,893 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] [2022-01-10 06:33:13,903 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 06:33:14,099 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 06:33:14,099 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:14,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:14,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1754015376, now seen corresponding path program 1 times [2022-01-10 06:33:14,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:14,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897812742] [2022-01-10 06:33:14,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:14,100 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:14,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:14,101 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 06:33:14,102 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 06:33:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:14,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:33:14,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:14,273 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 06:33:14,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:14,273 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:14,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897812742] [2022-01-10 06:33:14,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [897812742] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:14,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:14,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:33:14,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090084754] [2022-01-10 06:33:14,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:14,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:14,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:14,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:14,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:14,275 INFO L87 Difference]: Start difference. First operand 298 states and 389 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:33:14,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:14,344 INFO L93 Difference]: Finished difference Result 786 states and 1038 transitions. [2022-01-10 06:33:14,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:33:14,345 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2022-01-10 06:33:14,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:14,347 INFO L225 Difference]: With dead ends: 786 [2022-01-10 06:33:14,347 INFO L226 Difference]: Without dead ends: 496 [2022-01-10 06:33:14,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 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 06:33:14,349 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 62 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:14,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 413 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:14,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2022-01-10 06:33:14,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 482. [2022-01-10 06:33:14,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 349 states have (on average 1.2750716332378222) internal successors, (445), 382 states have internal predecessors, (445), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (92), 66 states have call predecessors, (92), 72 states have call successors, (92) [2022-01-10 06:33:14,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 609 transitions. [2022-01-10 06:33:14,385 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 609 transitions. Word has length 38 [2022-01-10 06:33:14,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:14,386 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 609 transitions. [2022-01-10 06:33:14,386 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:33:14,386 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 609 transitions. [2022-01-10 06:33:14,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-01-10 06:33:14,388 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:14,388 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:14,397 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 06:33:14,595 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 06:33:14,595 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:14,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:14,596 INFO L85 PathProgramCache]: Analyzing trace with hash 684559813, now seen corresponding path program 1 times [2022-01-10 06:33:14,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:14,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115351026] [2022-01-10 06:33:14,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:14,596 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:14,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:14,597 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 06:33:14,598 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 06:33:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:14,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:33:14,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:33:14,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:14,746 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:14,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115351026] [2022-01-10 06:33:14,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115351026] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:14,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:14,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:14,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269760083] [2022-01-10 06:33:14,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:14,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:14,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:14,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:14,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:14,747 INFO L87 Difference]: Start difference. First operand 482 states and 609 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:33:14,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:14,792 INFO L93 Difference]: Finished difference Result 988 states and 1290 transitions. [2022-01-10 06:33:14,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:33:14,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2022-01-10 06:33:14,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:14,796 INFO L225 Difference]: With dead ends: 988 [2022-01-10 06:33:14,796 INFO L226 Difference]: Without dead ends: 514 [2022-01-10 06:33:14,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 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 06:33:14,799 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 9 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:14,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 430 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:14,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2022-01-10 06:33:14,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 494. [2022-01-10 06:33:14,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 361 states have (on average 1.265927977839335) internal successors, (457), 394 states have internal predecessors, (457), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (92), 66 states have call predecessors, (92), 72 states have call successors, (92) [2022-01-10 06:33:14,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 621 transitions. [2022-01-10 06:33:14,829 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 621 transitions. Word has length 61 [2022-01-10 06:33:14,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:14,830 INFO L470 AbstractCegarLoop]: Abstraction has 494 states and 621 transitions. [2022-01-10 06:33:14,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:33:14,830 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 621 transitions. [2022-01-10 06:33:14,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-01-10 06:33:14,832 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:14,832 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:14,851 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 06:33:15,041 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 06:33:15,042 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:15,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:15,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1386159687, now seen corresponding path program 1 times [2022-01-10 06:33:15,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:15,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663749938] [2022-01-10 06:33:15,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:15,043 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:15,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:15,043 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:15,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 06:33:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:15,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:15,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:15,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:33:15,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:15,207 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:15,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663749938] [2022-01-10 06:33:15,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663749938] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:15,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:15,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:33:15,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695018637] [2022-01-10 06:33:15,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:15,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:33:15,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:15,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:33:15,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:33:15,210 INFO L87 Difference]: Start difference. First operand 494 states and 621 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:33:15,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:15,237 INFO L93 Difference]: Finished difference Result 1012 states and 1310 transitions. [2022-01-10 06:33:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:33:15,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2022-01-10 06:33:15,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:15,240 INFO L225 Difference]: With dead ends: 1012 [2022-01-10 06:33:15,240 INFO L226 Difference]: Without dead ends: 526 [2022-01-10 06:33:15,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:15,242 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 11 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:15,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 321 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:15,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2022-01-10 06:33:15,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 502. [2022-01-10 06:33:15,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 369 states have (on average 1.2601626016260163) internal successors, (465), 402 states have internal predecessors, (465), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (92), 66 states have call predecessors, (92), 72 states have call successors, (92) [2022-01-10 06:33:15,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 629 transitions. [2022-01-10 06:33:15,260 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 629 transitions. Word has length 61 [2022-01-10 06:33:15,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:15,261 INFO L470 AbstractCegarLoop]: Abstraction has 502 states and 629 transitions. [2022-01-10 06:33:15,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:33:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 629 transitions. [2022-01-10 06:33:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-01-10 06:33:15,262 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:15,262 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:15,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:15,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:15,469 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:15,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:15,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1313773129, now seen corresponding path program 1 times [2022-01-10 06:33:15,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:15,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257060103] [2022-01-10 06:33:15,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:15,470 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:15,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:15,471 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:15,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 06:33:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:15,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:15,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:33:15,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:15,616 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:15,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [257060103] [2022-01-10 06:33:15,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [257060103] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:15,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:15,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:15,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255278826] [2022-01-10 06:33:15,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:15,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:15,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:15,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:15,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:15,617 INFO L87 Difference]: Start difference. First operand 502 states and 629 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:33:15,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:15,643 INFO L93 Difference]: Finished difference Result 1184 states and 1494 transitions. [2022-01-10 06:33:15,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:15,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2022-01-10 06:33:15,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:15,646 INFO L225 Difference]: With dead ends: 1184 [2022-01-10 06:33:15,646 INFO L226 Difference]: Without dead ends: 690 [2022-01-10 06:33:15,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 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 06:33:15,648 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 36 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:15,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 209 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:15,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2022-01-10 06:33:15,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 690. [2022-01-10 06:33:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 513 states have (on average 1.230019493177388) internal successors, (631), 550 states have internal predecessors, (631), 96 states have call successors, (96), 84 states have call predecessors, (96), 80 states have return successors, (118), 86 states have call predecessors, (118), 96 states have call successors, (118) [2022-01-10 06:33:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 845 transitions. [2022-01-10 06:33:15,669 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 845 transitions. Word has length 61 [2022-01-10 06:33:15,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:15,669 INFO L470 AbstractCegarLoop]: Abstraction has 690 states and 845 transitions. [2022-01-10 06:33:15,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:33:15,669 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 845 transitions. [2022-01-10 06:33:15,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-01-10 06:33:15,670 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:15,671 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:15,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:15,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:15,878 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:15,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:15,878 INFO L85 PathProgramCache]: Analyzing trace with hash 205893359, now seen corresponding path program 1 times [2022-01-10 06:33:15,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:15,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116082030] [2022-01-10 06:33:15,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:15,879 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:15,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:15,879 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:15,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 06:33:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:15,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:33:15,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:16,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:16,083 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:16,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [116082030] [2022-01-10 06:33:16,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [116082030] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:16,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:16,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 06:33:16,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664312436] [2022-01-10 06:33:16,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:16,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:33:16,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:16,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:33:16,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:33:16,085 INFO L87 Difference]: Start difference. First operand 690 states and 845 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:33:16,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:16,198 INFO L93 Difference]: Finished difference Result 1372 states and 1688 transitions. [2022-01-10 06:33:16,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 06:33:16,198 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 65 [2022-01-10 06:33:16,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:16,201 INFO L225 Difference]: With dead ends: 1372 [2022-01-10 06:33:16,201 INFO L226 Difference]: Without dead ends: 690 [2022-01-10 06:33:16,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:33:16,203 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 73 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:16,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 711 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:16,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2022-01-10 06:33:16,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 686. [2022-01-10 06:33:16,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 509 states have (on average 1.2161100196463654) internal successors, (619), 544 states have internal predecessors, (619), 96 states have call successors, (96), 84 states have call predecessors, (96), 80 states have return successors, (108), 86 states have call predecessors, (108), 96 states have call successors, (108) [2022-01-10 06:33:16,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 823 transitions. [2022-01-10 06:33:16,222 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 823 transitions. Word has length 65 [2022-01-10 06:33:16,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:16,223 INFO L470 AbstractCegarLoop]: Abstraction has 686 states and 823 transitions. [2022-01-10 06:33:16,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:33:16,223 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 823 transitions. [2022-01-10 06:33:16,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-10 06:33:16,224 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:16,224 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:16,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:16,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:16,431 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:16,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:16,432 INFO L85 PathProgramCache]: Analyzing trace with hash -801185411, now seen corresponding path program 1 times [2022-01-10 06:33:16,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:16,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650649351] [2022-01-10 06:33:16,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:16,432 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:16,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:16,433 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:16,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 06:33:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:16,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:16,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-10 06:33:16,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:16,606 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:16,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650649351] [2022-01-10 06:33:16,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [650649351] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:16,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:16,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:16,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113798567] [2022-01-10 06:33:16,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:16,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:16,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:16,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:16,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:16,607 INFO L87 Difference]: Start difference. First operand 686 states and 823 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2022-01-10 06:33:16,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:16,630 INFO L93 Difference]: Finished difference Result 1163 states and 1396 transitions. [2022-01-10 06:33:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:16,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 92 [2022-01-10 06:33:16,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:16,632 INFO L225 Difference]: With dead ends: 1163 [2022-01-10 06:33:16,632 INFO L226 Difference]: Without dead ends: 485 [2022-01-10 06:33:16,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 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 06:33:16,634 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 37 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 238 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 [2022-01-10 06:33:16,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 238 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:16,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2022-01-10 06:33:16,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 477. [2022-01-10 06:33:16,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 358 states have (on average 1.2011173184357542) internal successors, (430), 382 states have internal predecessors, (430), 64 states have call successors, (64), 58 states have call predecessors, (64), 54 states have return successors, (70), 58 states have call predecessors, (70), 64 states have call successors, (70) [2022-01-10 06:33:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 564 transitions. [2022-01-10 06:33:16,647 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 564 transitions. Word has length 92 [2022-01-10 06:33:16,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:16,647 INFO L470 AbstractCegarLoop]: Abstraction has 477 states and 564 transitions. [2022-01-10 06:33:16,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2022-01-10 06:33:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 564 transitions. [2022-01-10 06:33:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-01-10 06:33:16,648 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:16,649 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:16,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:16,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:16,858 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:16,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:16,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1582774687, now seen corresponding path program 1 times [2022-01-10 06:33:16,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:16,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2107213060] [2022-01-10 06:33:16,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:16,859 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:16,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:16,859 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:16,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 06:33:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:16,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:33:16,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:17,105 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-10 06:33:17,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:17,105 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:17,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2107213060] [2022-01-10 06:33:17,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2107213060] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:17,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:17,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 06:33:17,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058573926] [2022-01-10 06:33:17,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:17,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:33:17,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:17,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:33:17,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:33:17,106 INFO L87 Difference]: Start difference. First operand 477 states and 564 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:33:17,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:17,205 INFO L93 Difference]: Finished difference Result 765 states and 913 transitions. [2022-01-10 06:33:17,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 06:33:17,206 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 110 [2022-01-10 06:33:17,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:17,206 INFO L225 Difference]: With dead ends: 765 [2022-01-10 06:33:17,206 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:33:17,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-01-10 06:33:17,208 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 76 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:17,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 861 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:17,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:33:17,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:33:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:33:17,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:33:17,209 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2022-01-10 06:33:17,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:17,209 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:33:17,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:33:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:33:17,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:33:17,212 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:33:17,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:17,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:17,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:33:19,749 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 378 385) the Hoare annotation is: true [2022-01-10 06:33:19,749 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 378 385) no Hoare annotation was computed. [2022-01-10 06:33:19,749 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 378 385) no Hoare annotation was computed. [2022-01-10 06:33:19,749 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2022-01-10 06:33:19,749 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2022-01-10 06:33:19,749 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse0 .cse6 .cse1 .cse2) (or .cse6 .cse4 .cse5))) [2022-01-10 06:33:19,750 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-01-10 06:33:19,750 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-01-10 06:33:19,750 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 901 930) no Hoare annotation was computed. [2022-01-10 06:33:19,750 INFO L861 garLoopResultBuilder]: At program point L926(lines 901 930) the Hoare annotation is: true [2022-01-10 06:33:19,750 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 901 930) the Hoare annotation is: true [2022-01-10 06:33:19,750 INFO L858 garLoopResultBuilder]: For program point L922(line 922) no Hoare annotation was computed. [2022-01-10 06:33:19,750 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 919) no Hoare annotation was computed. [2022-01-10 06:33:19,750 INFO L861 garLoopResultBuilder]: At program point L915-1(lines 915 919) the Hoare annotation is: true [2022-01-10 06:33:19,750 INFO L858 garLoopResultBuilder]: For program point L912(line 912) no Hoare annotation was computed. [2022-01-10 06:33:19,750 INFO L861 garLoopResultBuilder]: At program point L911-2(lines 911 925) the Hoare annotation is: true [2022-01-10 06:33:19,750 INFO L861 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: true [2022-01-10 06:33:19,750 INFO L858 garLoopResultBuilder]: For program point L907-1(line 907) no Hoare annotation was computed. [2022-01-10 06:33:19,750 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2022-01-10 06:33:19,750 INFO L858 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2022-01-10 06:33:19,750 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 517) no Hoare annotation was computed. [2022-01-10 06:33:19,751 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 520) no Hoare annotation was computed. [2022-01-10 06:33:19,751 INFO L854 garLoopResultBuilder]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse1 .cse3 .cse4) (or .cse1 .cse2 .cse4))) [2022-01-10 06:33:19,751 INFO L854 garLoopResultBuilder]: At program point L503-1(lines 495 523) the Hoare annotation is: (let ((.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse8 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| (_ bv0 32))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse6 .cse0 .cse7) (or .cse3 .cse4 .cse0 .cse5 .cse7) (or .cse2 .cse3 .cse4 .cse6 .cse0) (or .cse2 .cse6 .cse1) (or .cse2 .cse8 .cse5) (or .cse3 (and .cse8 .cse1) .cse5 .cse7) (or .cse3 .cse6 .cse7 .cse1))) [2022-01-10 06:33:19,751 INFO L854 garLoopResultBuilder]: At program point L338(line 338) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32))) (or .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3) (or .cse1 .cse2 .cse4))) [2022-01-10 06:33:19,751 INFO L854 garLoopResultBuilder]: At program point L334(line 334) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3) (or .cse1 .cse2 .cse4))) [2022-01-10 06:33:19,751 INFO L858 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2022-01-10 06:33:19,751 INFO L854 garLoopResultBuilder]: At program point L896(lines 891 898) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1) (or .cse0 .cse2) (or .cse3 .cse2 .cse4) (or .cse3 .cse1 .cse4))) [2022-01-10 06:33:19,751 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 514) no Hoare annotation was computed. [2022-01-10 06:33:19,751 INFO L854 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse6 (and .cse8 (= (_ bv0 32) ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not .cse8)) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse5) (or .cse0 .cse6 .cse7) (or .cse0 .cse6 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse7) (or .cse1 .cse7 .cse5)))) [2022-01-10 06:33:19,751 INFO L854 garLoopResultBuilder]: At program point L347-1(lines 328 352) the Hoare annotation is: (let ((.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32))))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 .cse4 .cse6 .cse0) (or .cse2 .cse6 .cse1) (or .cse3 .cse6 .cse7) (or .cse3 .cse5 .cse7))) [2022-01-10 06:33:19,752 INFO L858 garLoopResultBuilder]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2022-01-10 06:33:19,752 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-01-10 06:33:19,752 INFO L854 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3) (or .cse1 .cse2 .cse4))) [2022-01-10 06:33:19,752 INFO L854 garLoopResultBuilder]: At program point L501(line 501) the Hoare annotation is: (let ((.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse6 .cse0 .cse7) (or .cse3 .cse4 .cse0 .cse5 .cse7) (or .cse2 .cse3 .cse4 .cse6 .cse0) (or .cse2 .cse6 .cse1) (or .cse3 .cse5 .cse7 .cse1) (or .cse3 .cse6 .cse7 .cse1))) [2022-01-10 06:33:19,752 INFO L858 garLoopResultBuilder]: For program point L501-1(line 501) no Hoare annotation was computed. [2022-01-10 06:33:19,752 INFO L854 garLoopResultBuilder]: At program point L402(lines 397 405) the Hoare annotation is: (let ((.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse7 (and (= |timeShift_isPumpRunning_#res#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse7 .cse4 .cse6) (or .cse0 .cse7 .cse4) (or .cse2 .cse1 .cse6))) [2022-01-10 06:33:19,752 INFO L858 garLoopResultBuilder]: For program point L274-1(lines 273 292) no Hoare annotation was computed. [2022-01-10 06:33:19,752 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 344) no Hoare annotation was computed. [2022-01-10 06:33:19,752 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse7) (or .cse1 .cse4 .cse6 .cse2 .cse7) (or .cse0 .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse5 .cse3) (or .cse1 .cse2 .cse7 .cse3) (or .cse1 .cse5 .cse7 .cse3) (or .cse0 .cse1 .cse4 .cse6 .cse2))) [2022-01-10 06:33:19,752 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 349) no Hoare annotation was computed. [2022-01-10 06:33:19,752 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2022-01-10 06:33:19,752 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 895) no Hoare annotation was computed. [2022-01-10 06:33:19,752 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2022-01-10 06:33:19,753 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2022-01-10 06:33:19,753 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2022-01-10 06:33:19,753 INFO L854 garLoopResultBuilder]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2))) [2022-01-10 06:33:19,753 INFO L854 garLoopResultBuilder]: At program point L481(lines 476 483) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2022-01-10 06:33:19,753 INFO L854 garLoopResultBuilder]: At program point L250(lines 203 252) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2))) [2022-01-10 06:33:19,753 INFO L854 garLoopResultBuilder]: At program point L473(lines 461 475) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2))) [2022-01-10 06:33:19,753 INFO L854 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:19,753 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2022-01-10 06:33:19,753 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2022-01-10 06:33:19,753 INFO L858 garLoopResultBuilder]: For program point L465(lines 465 471) no Hoare annotation was computed. [2022-01-10 06:33:19,753 INFO L854 garLoopResultBuilder]: At program point L176(lines 172 178) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:19,753 INFO L858 garLoopResultBuilder]: For program point L465-1(lines 465 471) no Hoare annotation was computed. [2022-01-10 06:33:19,753 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 209) no Hoare annotation was computed. [2022-01-10 06:33:19,753 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:33:19,753 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:33:19,753 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:33:19,754 INFO L861 garLoopResultBuilder]: At program point L970(lines 962 972) the Hoare annotation is: true [2022-01-10 06:33:19,754 INFO L854 garLoopResultBuilder]: At program point L169(lines 165 171) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:19,754 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:33:19,754 INFO L861 garLoopResultBuilder]: At program point L256(lines 193 260) the Hoare annotation is: true [2022-01-10 06:33:19,754 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 229) no Hoare annotation was computed. [2022-01-10 06:33:19,754 INFO L858 garLoopResultBuilder]: For program point L223-1(lines 223 229) no Hoare annotation was computed. [2022-01-10 06:33:19,754 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 990) no Hoare annotation was computed. [2022-01-10 06:33:19,754 INFO L854 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2))) [2022-01-10 06:33:19,754 INFO L858 garLoopResultBuilder]: For program point L983-2(lines 983 990) no Hoare annotation was computed. [2022-01-10 06:33:19,754 INFO L854 garLoopResultBuilder]: At program point L467(line 467) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2022-01-10 06:33:19,754 INFO L854 garLoopResultBuilder]: At program point L492(lines 487 494) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:19,754 INFO L861 garLoopResultBuilder]: At program point L992(lines 973 995) the Hoare annotation is: true [2022-01-10 06:33:19,754 INFO L854 garLoopResultBuilder]: At program point L959(lines 955 961) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:19,754 INFO L854 garLoopResultBuilder]: At program point L253(lines 202 254) the Hoare annotation is: false [2022-01-10 06:33:19,754 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 247) no Hoare annotation was computed. [2022-01-10 06:33:19,754 INFO L854 garLoopResultBuilder]: At program point L241-2(lines 233 248) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse1 .cse2) (and .cse4 .cse5 .cse2))) [2022-01-10 06:33:19,755 INFO L858 garLoopResultBuilder]: For program point L204(lines 203 252) no Hoare annotation was computed. [2022-01-10 06:33:19,755 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 248) no Hoare annotation was computed. [2022-01-10 06:33:19,755 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-01-10 06:33:19,755 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-01-10 06:33:19,755 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (= ~waterLevel~0 (_ bv1 32)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse6) (or .cse0 .cse1 .cse3 .cse6 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse3))) [2022-01-10 06:33:19,755 INFO L854 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse0 (not .cse2)) (.cse1 (and .cse2 (= |processEnvironment__wrappee__methaneQuery_~tmp~1#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))))))) [2022-01-10 06:33:19,755 INFO L858 garLoopResultBuilder]: For program point L310(lines 310 318) no Hoare annotation was computed. [2022-01-10 06:33:19,755 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 323) no Hoare annotation was computed. [2022-01-10 06:33:19,755 INFO L854 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv1 32)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6) (or .cse0 .cse2 .cse6) (or .cse0 .cse1 .cse5 .cse3 .cse4))) [2022-01-10 06:33:19,755 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 374) no Hoare annotation was computed. [2022-01-10 06:33:19,755 INFO L854 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3) (or .cse0 .cse1 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse5))) [2022-01-10 06:33:19,755 INFO L854 garLoopResultBuilder]: At program point L368-2(lines 361 377) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~3#1|) (= (_ bv0 32) ~pumpRunning~0)) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse3) (or .cse0 .cse1 .cse2 .cse3))) [2022-01-10 06:33:19,755 INFO L858 garLoopResultBuilder]: For program point L366-1(line 366) no Hoare annotation was computed. [2022-01-10 06:33:19,755 INFO L854 garLoopResultBuilder]: At program point L457(lines 442 460) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv0 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| (_ bv0 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3) (or .cse0 .cse5 .cse1 .cse4 .cse6) (or .cse0 .cse5 .cse1 .cse2 .cse6))) [2022-01-10 06:33:19,756 INFO L854 garLoopResultBuilder]: At program point L358(lines 353 360) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:33:19,756 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 455) no Hoare annotation was computed. [2022-01-10 06:33:19,756 INFO L858 garLoopResultBuilder]: For program point L451-2(lines 451 455) no Hoare annotation was computed. [2022-01-10 06:33:19,756 INFO L854 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2022-01-10 06:33:19,756 INFO L858 garLoopResultBuilder]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2022-01-10 06:33:19,756 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 302 326) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse2))) [2022-01-10 06:33:19,756 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2022-01-10 06:33:19,756 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 302 326) no Hoare annotation was computed. [2022-01-10 06:33:19,756 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 386 396) the Hoare annotation is: true [2022-01-10 06:33:19,756 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 386 396) no Hoare annotation was computed. [2022-01-10 06:33:19,756 INFO L861 garLoopResultBuilder]: At program point L391(line 391) the Hoare annotation is: true [2022-01-10 06:33:19,756 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 386 396) no Hoare annotation was computed. [2022-01-10 06:33:19,756 INFO L858 garLoopResultBuilder]: For program point L391-1(line 391) no Hoare annotation was computed. [2022-01-10 06:33:19,759 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:19,760 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:33:19,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:33:19 BoogieIcfgContainer [2022-01-10 06:33:19,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:33:19,783 INFO L158 Benchmark]: Toolchain (without parser) took 8687.37ms. Allocated memory was 177.2MB in the beginning and 296.7MB in the end (delta: 119.5MB). Free memory was 126.1MB in the beginning and 258.4MB in the end (delta: -132.3MB). Peak memory consumption was 107.6MB. Max. memory is 8.0GB. [2022-01-10 06:33:19,783 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 177.2MB. Free memory was 143.2MB in the beginning and 143.2MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:33:19,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.55ms. Allocated memory was 177.2MB in the beginning and 234.9MB in the end (delta: 57.7MB). Free memory was 125.9MB in the beginning and 197.7MB in the end (delta: -71.8MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. [2022-01-10 06:33:19,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.59ms. Allocated memory is still 234.9MB. Free memory was 197.7MB in the beginning and 194.8MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 06:33:19,784 INFO L158 Benchmark]: Boogie Preprocessor took 32.28ms. Allocated memory is still 234.9MB. Free memory was 194.8MB in the beginning and 192.9MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:33:19,784 INFO L158 Benchmark]: RCFGBuilder took 471.68ms. Allocated memory is still 234.9MB. Free memory was 192.9MB in the beginning and 174.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-01-10 06:33:19,784 INFO L158 Benchmark]: TraceAbstraction took 7624.53ms. Allocated memory was 234.9MB in the beginning and 296.7MB in the end (delta: 61.9MB). Free memory was 174.1MB in the beginning and 258.4MB in the end (delta: -84.3MB). Peak memory consumption was 98.6MB. Max. memory is 8.0GB. [2022-01-10 06:33:19,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 177.2MB. Free memory was 143.2MB in the beginning and 143.2MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 510.55ms. Allocated memory was 177.2MB in the beginning and 234.9MB in the end (delta: 57.7MB). Free memory was 125.9MB in the beginning and 197.7MB in the end (delta: -71.8MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.59ms. Allocated memory is still 234.9MB. Free memory was 197.7MB in the beginning and 194.8MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.28ms. Allocated memory is still 234.9MB. Free memory was 194.8MB in the beginning and 192.9MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 471.68ms. Allocated memory is still 234.9MB. Free memory was 192.9MB in the beginning and 174.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 7624.53ms. Allocated memory was 234.9MB in the beginning and 296.7MB in the end (delta: 61.9MB). Free memory was 174.1MB in the beginning and 258.4MB in the end (delta: -84.3MB). Peak memory consumption was 98.6MB. 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 - PositiveResult [Line: 895]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 499 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 483 mSDsluCounter, 4285 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2829 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 401 IncrementalHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 1456 mSDtfsCounter, 401 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 603 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=690occurred in iteration=8, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 79 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 2006 PreInvPairs, 2137 NumberOfFragments, 1850 HoareAnnotationTreeSize, 2006 FomulaSimplifications, 86 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 47 FomulaSimplificationsInter, 3602 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 604 NumberOfCodeBlocks, 604 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 593 ConstructedInterpolants, 0 QuantifiedInterpolants, 995 SizeOfPredicates, 19 NumberOfNonLiveVariables, 2153 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 82/82 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (methaneLevelCritical == tmp && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) || \result == 1bv32) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) || \result == 1bv32) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: (((((((((((waterLevel == 1bv32 && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) && ((((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || !(systemActive == 0bv32))) && ((((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || tmp == 0bv32) || !(methaneLevelCritical == 0bv32))) && (((!(\old(pumpRunning) == 0bv32) || (tmp == 0bv32 && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32))) && (((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 1bv32)) || !(systemActive == 0bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((systemActive == 0bv32 && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || (((systemActive == 0bv32 && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((systemActive == 1bv32 && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: (((systemActive == 0bv32 && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || (((systemActive == 0bv32 && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) && (!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 1bv32)) || !(systemActive == 0bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: ((systemActive == 1bv32 && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) || ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) && ((((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || !(systemActive == 0bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32)) && (((!(\old(pumpRunning) == 0bv32) || (\result == 0bv32 && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32)) || !(systemActive == 0bv32))) && ((!(systemActive == 1bv32) || (\result == 0bv32 && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 1bv32 && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning)) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 1bv32)) || !(systemActive == 0bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 1bv32)) || !(systemActive == 0bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || (\result == 0bv32 && tmp___0 == 0bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && ((((!(systemActive == 1bv32) || (\result == 0bv32 && tmp___0 == 0bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:33:19,822 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...