/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_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:31:54,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:31:54,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:31:54,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:31:54,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:31:54,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:31:54,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:31:54,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:31:54,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:31:54,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:31:54,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:31:54,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:31:54,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:31:54,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:31:54,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:31:54,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:31:54,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:31:54,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:31:54,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:31:54,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:31:54,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:31:54,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:31:54,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:31:54,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:31:54,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:31:54,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:31:54,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:31:54,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:31:54,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:31:54,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:31:54,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:31:54,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:31:54,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:31:54,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:31:54,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:31:54,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:31:54,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:31:54,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:31:54,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:31:54,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:31:54,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:31:54,824 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 06:31:54,842 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:31:54,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:31:54,843 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:31:54,843 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:31:54,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:31:54,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:31:54,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:31:54,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:31:54,844 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:31:54,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:31:54,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:31:54,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:31:54,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:31:54,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:31:54,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:31:54,845 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:31:54,845 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:31:54,845 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:31:54,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:31:54,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:31:54,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:31:54,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:31:54,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:31:54,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:31:54,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:31:54,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:31:54,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:31:54,846 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:31:54,846 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:31:54,846 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:31:54,846 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:31:54,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:31:54,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:31:54,847 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:31:55,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:31:55,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:31:55,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:31:55,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:31:55,059 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:31:55,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2022-01-10 06:31:55,104 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efaa47d69/c45937f1d5fe4240a1091efb5afe7acb/FLAG719df3034 [2022-01-10 06:31:55,508 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:31:55,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2022-01-10 06:31:55,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efaa47d69/c45937f1d5fe4240a1091efb5afe7acb/FLAG719df3034 [2022-01-10 06:31:55,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efaa47d69/c45937f1d5fe4240a1091efb5afe7acb [2022-01-10 06:31:55,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:31:55,535 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:31:55,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:31:55,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:31:55,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:31:55,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:31:55" (1/1) ... [2022-01-10 06:31:55,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57246912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:55, skipping insertion in model container [2022-01-10 06:31:55,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:31:55" (1/1) ... [2022-01-10 06:31:55,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:31:55,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:31:55,786 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_spec1_product16.cil.c[4901,4914] [2022-01-10 06:31:55,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:31:55,872 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:31:55,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:31:55,907 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_spec1_product16.cil.c[4901,4914] [2022-01-10 06:31:55,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:31:55,931 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:31:55,956 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_spec1_product16.cil.c[4901,4914] [2022-01-10 06:31:55,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:31:56,010 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:31:56,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:56 WrapperNode [2022-01-10 06:31:56,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:31:56,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:31:56,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:31:56,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:31:56,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:56" (1/1) ... [2022-01-10 06:31:56,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:56" (1/1) ... [2022-01-10 06:31:56,054 INFO L137 Inliner]: procedures = 55, calls = 153, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 190 [2022-01-10 06:31:56,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:31:56,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:31:56,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:31:56,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:31:56,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:56" (1/1) ... [2022-01-10 06:31:56,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:56" (1/1) ... [2022-01-10 06:31:56,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:56" (1/1) ... [2022-01-10 06:31:56,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:56" (1/1) ... [2022-01-10 06:31:56,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:56" (1/1) ... [2022-01-10 06:31:56,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:56" (1/1) ... [2022-01-10 06:31:56,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:56" (1/1) ... [2022-01-10 06:31:56,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:31:56,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:31:56,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:31:56,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:31:56,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:56" (1/1) ... [2022-01-10 06:31:56,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:31:56,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:31:56,128 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 06:31:56,137 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 06:31:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:31:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:31:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:31:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:31:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:31:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:31:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:31:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:31:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:31:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:31:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:31:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:31:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-01-10 06:31:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-01-10 06:31:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:31:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:31:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:31:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:31:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:31:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:31:56,219 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:31:56,220 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:31:56,496 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:31:56,502 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:31:56,502 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:31:56,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:31:56 BoogieIcfgContainer [2022-01-10 06:31:56,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:31:56,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:31:56,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:31:56,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:31:56,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:31:55" (1/3) ... [2022-01-10 06:31:56,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291dc649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:31:56, skipping insertion in model container [2022-01-10 06:31:56,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:31:56" (2/3) ... [2022-01-10 06:31:56,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291dc649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:31:56, skipping insertion in model container [2022-01-10 06:31:56,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:31:56" (3/3) ... [2022-01-10 06:31:56,509 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2022-01-10 06:31:56,512 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:31:56,512 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:31:56,552 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:31:56,558 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 06:31:56,559 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:31:56,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 61 states have (on average 1.360655737704918) internal successors, (83), 68 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:31:56,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 06:31:56,584 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:31:56,585 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] [2022-01-10 06:31:56,585 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:31:56,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:31:56,589 INFO L85 PathProgramCache]: Analyzing trace with hash 2062279413, now seen corresponding path program 1 times [2022-01-10 06:31:56,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:31:56,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508999197] [2022-01-10 06:31:56,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:31:56,600 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:31:56,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:31:56,602 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 06:31:56,604 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 06:31:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:31:56,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:31:56,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:31:56,755 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 06:31:56,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:31:56,756 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:31:56,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508999197] [2022-01-10 06:31:56,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1508999197] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:31:56,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:31:56,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:31:56,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77175765] [2022-01-10 06:31:56,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:31:56,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:31:56,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:31:56,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:31:56,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:31:56,778 INFO L87 Difference]: Start difference. First operand has 84 states, 61 states have (on average 1.360655737704918) internal successors, (83), 68 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 06:31:56,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:31:56,814 INFO L93 Difference]: Finished difference Result 160 states and 213 transitions. [2022-01-10 06:31:56,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:31:56,815 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2022-01-10 06:31:56,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:31:56,824 INFO L225 Difference]: With dead ends: 160 [2022-01-10 06:31:56,824 INFO L226 Difference]: Without dead ends: 75 [2022-01-10 06:31:56,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 06:31:56,831 INFO L933 BasicCegarLoop]: 103 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, 103 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 06:31:56,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:31:56,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-01-10 06:31:56,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-01-10 06:31:56,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 54 states have (on average 1.2777777777777777) internal successors, (69), 60 states have internal predecessors, (69), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-01-10 06:31:56,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 94 transitions. [2022-01-10 06:31:56,870 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 94 transitions. Word has length 23 [2022-01-10 06:31:56,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:31:56,871 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 94 transitions. [2022-01-10 06:31:56,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 06:31:56,872 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 94 transitions. [2022-01-10 06:31:56,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-10 06:31:56,874 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:31:56,874 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] [2022-01-10 06:31:56,890 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 06:31:57,082 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 06:31:57,082 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:31:57,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:31:57,083 INFO L85 PathProgramCache]: Analyzing trace with hash -834214636, now seen corresponding path program 1 times [2022-01-10 06:31:57,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:31:57,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243382667] [2022-01-10 06:31:57,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:31:57,084 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:31:57,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:31:57,092 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 06:31:57,094 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 06:31:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:31:57,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:31:57,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:31:57,231 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 06:31:57,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:31:57,231 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:31:57,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243382667] [2022-01-10 06:31:57,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [243382667] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:31:57,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:31:57,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:31:57,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278278528] [2022-01-10 06:31:57,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:31:57,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:31:57,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:31:57,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:31:57,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:31:57,245 INFO L87 Difference]: Start difference. First operand 75 states and 94 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 06:31:57,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:31:57,259 INFO L93 Difference]: Finished difference Result 111 states and 137 transitions. [2022-01-10 06:31:57,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:31:57,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2022-01-10 06:31:57,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:31:57,260 INFO L225 Difference]: With dead ends: 111 [2022-01-10 06:31:57,260 INFO L226 Difference]: Without dead ends: 66 [2022-01-10 06:31:57,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 06:31:57,261 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 17 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 140 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 06:31:57,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:31:57,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-01-10 06:31:57,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-01-10 06:31:57,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 54 states have internal predecessors, (62), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-10 06:31:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 82 transitions. [2022-01-10 06:31:57,267 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 82 transitions. Word has length 24 [2022-01-10 06:31:57,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:31:57,267 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 82 transitions. [2022-01-10 06:31:57,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 06:31:57,267 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2022-01-10 06:31:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-10 06:31:57,268 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:31:57,268 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] [2022-01-10 06:31:57,277 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 06:31:57,475 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 06:31:57,475 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:31:57,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:31:57,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1796175137, now seen corresponding path program 1 times [2022-01-10 06:31:57,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:31:57,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481897440] [2022-01-10 06:31:57,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:31:57,476 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:31:57,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:31:57,477 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 06:31:57,478 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 06:31:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:31:57,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:31:57,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:31:57,567 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 06:31:57,567 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:31:57,567 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:31:57,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481897440] [2022-01-10 06:31:57,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481897440] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:31:57,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:31:57,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:31:57,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349807973] [2022-01-10 06:31:57,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:31:57,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:31:57,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:31:57,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:31:57,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:31:57,569 INFO L87 Difference]: Start difference. First operand 66 states and 82 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 06:31:57,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:31:57,593 INFO L93 Difference]: Finished difference Result 182 states and 231 transitions. [2022-01-10 06:31:57,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:31:57,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29 [2022-01-10 06:31:57,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:31:57,595 INFO L225 Difference]: With dead ends: 182 [2022-01-10 06:31:57,595 INFO L226 Difference]: Without dead ends: 123 [2022-01-10 06:31:57,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 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 06:31:57,597 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 74 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:31:57,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 172 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:31:57,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-01-10 06:31:57,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 120. [2022-01-10 06:31:57,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 85 states have (on average 1.3176470588235294) internal successors, (112), 96 states have internal predecessors, (112), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2022-01-10 06:31:57,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 152 transitions. [2022-01-10 06:31:57,614 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 152 transitions. Word has length 29 [2022-01-10 06:31:57,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:31:57,614 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 152 transitions. [2022-01-10 06:31:57,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 06:31:57,614 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 152 transitions. [2022-01-10 06:31:57,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 06:31:57,615 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:31:57,615 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] [2022-01-10 06:31:57,624 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 06:31:57,824 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 06:31:57,824 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:31:57,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:31:57,825 INFO L85 PathProgramCache]: Analyzing trace with hash 806132433, now seen corresponding path program 1 times [2022-01-10 06:31:57,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:31:57,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [870061369] [2022-01-10 06:31:57,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:31:57,825 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:31:57,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:31:57,826 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 06:31:57,827 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 06:31:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:31:57,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:31:57,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:31:57,994 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 06:31:57,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:31:57,994 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:31:57,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [870061369] [2022-01-10 06:31:57,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [870061369] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:31:57,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:31:57,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:31:57,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301727542] [2022-01-10 06:31:57,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:31:57,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:31:57,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:31:57,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:31:57,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:31:57,996 INFO L87 Difference]: Start difference. First operand 120 states and 152 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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 06:31:58,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:31:58,092 INFO L93 Difference]: Finished difference Result 346 states and 447 transitions. [2022-01-10 06:31:58,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:31:58,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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 32 [2022-01-10 06:31:58,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:31:58,100 INFO L225 Difference]: With dead ends: 346 [2022-01-10 06:31:58,100 INFO L226 Difference]: Without dead ends: 233 [2022-01-10 06:31:58,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 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 06:31:58,108 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 52 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:31:58,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 403 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:31:58,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-01-10 06:31:58,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 227. [2022-01-10 06:31:58,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 179 states have internal predecessors, (206), 40 states have call successors, (40), 28 states have call predecessors, (40), 28 states have return successors, (42), 30 states have call predecessors, (42), 40 states have call successors, (42) [2022-01-10 06:31:58,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 288 transitions. [2022-01-10 06:31:58,126 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 288 transitions. Word has length 32 [2022-01-10 06:31:58,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:31:58,126 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 288 transitions. [2022-01-10 06:31:58,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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 06:31:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 288 transitions. [2022-01-10 06:31:58,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-10 06:31:58,127 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:31:58,128 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] [2022-01-10 06:31:58,139 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 06:31:58,339 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 06:31:58,339 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:31:58,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:31:58,340 INFO L85 PathProgramCache]: Analyzing trace with hash -154829643, now seen corresponding path program 1 times [2022-01-10 06:31:58,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:31:58,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051454421] [2022-01-10 06:31:58,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:31:58,341 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:31:58,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:31:58,342 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 06:31:58,343 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 06:31:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:31:58,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:31:58,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:31:58,467 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 06:31:58,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:31:58,467 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:31:58,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051454421] [2022-01-10 06:31:58,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2051454421] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:31:58,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:31:58,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:31:58,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367082576] [2022-01-10 06:31:58,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:31:58,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:31:58,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:31:58,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:31:58,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:31:58,469 INFO L87 Difference]: Start difference. First operand 227 states and 288 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:31:58,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:31:58,506 INFO L93 Difference]: Finished difference Result 387 states and 494 transitions. [2022-01-10 06:31:58,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:31:58,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2022-01-10 06:31:58,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:31:58,508 INFO L225 Difference]: With dead ends: 387 [2022-01-10 06:31:58,508 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:31:58,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 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 06:31:58,510 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 50 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:31:58,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 154 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:31:58,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:31:58,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:31:58,511 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 06:31:58,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:31:58,512 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-01-10 06:31:58,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:31:58,512 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:31:58,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:31:58,512 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:31:58,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:31:58,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:31:58,533 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 06:31:58,723 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 06:31:58,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:31:59,066 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 765 772) the Hoare annotation is: true [2022-01-10 06:31:59,066 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 765 772) no Hoare annotation was computed. [2022-01-10 06:31:59,066 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 765 772) no Hoare annotation was computed. [2022-01-10 06:31:59,066 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) [2022-01-10 06:31:59,066 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-01-10 06:31:59,066 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-01-10 06:31:59,067 INFO L854 garLoopResultBuilder]: At program point L729(line 729) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2022-01-10 06:31:59,067 INFO L854 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2022-01-10 06:31:59,067 INFO L854 garLoopResultBuilder]: At program point L721(line 721) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2022-01-10 06:31:59,067 INFO L858 garLoopResultBuilder]: For program point L721-1(line 721) no Hoare annotation was computed. [2022-01-10 06:31:59,067 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 683 706) no Hoare annotation was computed. [2022-01-10 06:31:59,067 INFO L854 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:59,067 INFO L854 garLoopResultBuilder]: At program point L734-1(lines 715 739) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:59,067 INFO L858 garLoopResultBuilder]: For program point L305(line 305) no Hoare annotation was computed. [2022-01-10 06:31:59,067 INFO L854 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:59,067 INFO L858 garLoopResultBuilder]: For program point L144-1(line 144) no Hoare annotation was computed. [2022-01-10 06:31:59,067 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-01-10 06:31:59,067 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2022-01-10 06:31:59,067 INFO L858 garLoopResultBuilder]: For program point L694-1(lines 694 700) no Hoare annotation was computed. [2022-01-10 06:31:59,068 INFO L854 garLoopResultBuilder]: At program point L789(lines 784 792) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 (and (= |timeShift_isPumpRunning_#res#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))))) [2022-01-10 06:31:59,068 INFO L858 garLoopResultBuilder]: For program point L723(lines 723 731) no Hoare annotation was computed. [2022-01-10 06:31:59,068 INFO L854 garLoopResultBuilder]: At program point L306(lines 301 308) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2022-01-10 06:31:59,068 INFO L858 garLoopResultBuilder]: For program point L719(lines 719 736) no Hoare annotation was computed. [2022-01-10 06:31:59,068 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2022-01-10 06:31:59,068 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 159) no Hoare annotation was computed. [2022-01-10 06:31:59,068 INFO L854 garLoopResultBuilder]: At program point L146-1(lines 138 162) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or (= (_ bv0 32) |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1|) .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 (= (_ bv0 32) ~pumpRunning~0)))) [2022-01-10 06:31:59,068 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 683 706) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:59,068 INFO L858 garLoopResultBuilder]: For program point L687-1(lines 686 705) no Hoare annotation was computed. [2022-01-10 06:31:59,068 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 683 706) no Hoare annotation was computed. [2022-01-10 06:31:59,068 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2022-01-10 06:31:59,068 INFO L858 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2022-01-10 06:31:59,069 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2022-01-10 06:31:59,069 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 204 233) the Hoare annotation is: true [2022-01-10 06:31:59,069 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2022-01-10 06:31:59,069 INFO L861 garLoopResultBuilder]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2022-01-10 06:31:59,069 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-01-10 06:31:59,069 INFO L861 garLoopResultBuilder]: At program point L214-2(lines 214 228) the Hoare annotation is: true [2022-01-10 06:31:59,069 INFO L861 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: true [2022-01-10 06:31:59,069 INFO L858 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2022-01-10 06:31:59,069 INFO L861 garLoopResultBuilder]: At program point L229(lines 204 233) the Hoare annotation is: true [2022-01-10 06:31:59,069 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 94 102) the Hoare annotation is: true [2022-01-10 06:31:59,069 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2022-01-10 06:31:59,069 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2022-01-10 06:31:59,069 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 869) no Hoare annotation was computed. [2022-01-10 06:31:59,069 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 294) no Hoare annotation was computed. [2022-01-10 06:31:59,069 INFO L858 garLoopResultBuilder]: For program point L287-2(lines 287 294) no Hoare annotation was computed. [2022-01-10 06:31:59,070 INFO L854 garLoopResultBuilder]: At program point L849(lines 844 851) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:59,070 INFO L854 garLoopResultBuilder]: At program point L841(lines 829 843) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:59,070 INFO L861 garLoopResultBuilder]: At program point L296(lines 277 299) the Hoare annotation is: true [2022-01-10 06:31:59,070 INFO L854 garLoopResultBuilder]: At program point L263(lines 259 265) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:59,070 INFO L854 garLoopResultBuilder]: At program point L197(lines 192 200) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:59,070 INFO L858 garLoopResultBuilder]: For program point L833(lines 833 839) no Hoare annotation was computed. [2022-01-10 06:31:59,070 INFO L858 garLoopResultBuilder]: For program point L833-1(lines 833 839) no Hoare annotation was computed. [2022-01-10 06:31:59,070 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:31:59,070 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:31:59,070 INFO L854 garLoopResultBuilder]: At program point L189(lines 185 191) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:59,070 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:31:59,070 INFO L861 garLoopResultBuilder]: At program point L916(lines 853 920) the Hoare annotation is: true [2022-01-10 06:31:59,070 INFO L858 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2022-01-10 06:31:59,070 INFO L858 garLoopResultBuilder]: For program point L883-1(lines 883 889) no Hoare annotation was computed. [2022-01-10 06:31:59,071 INFO L854 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:59,071 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:31:59,071 INFO L854 garLoopResultBuilder]: At program point L182(lines 178 184) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:59,071 INFO L854 garLoopResultBuilder]: At program point L913(lines 862 914) the Hoare annotation is: false [2022-01-10 06:31:59,071 INFO L858 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2022-01-10 06:31:59,071 INFO L854 garLoopResultBuilder]: At program point L835(line 835) the Hoare annotation is: false [2022-01-10 06:31:59,071 INFO L854 garLoopResultBuilder]: At program point L901-2(lines 893 908) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:59,071 INFO L858 garLoopResultBuilder]: For program point L864(lines 863 912) no Hoare annotation was computed. [2022-01-10 06:31:59,071 INFO L858 garLoopResultBuilder]: For program point L893(lines 893 908) no Hoare annotation was computed. [2022-01-10 06:31:59,071 INFO L854 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:59,071 INFO L861 garLoopResultBuilder]: At program point L274(lines 267 276) the Hoare annotation is: true [2022-01-10 06:31:59,071 INFO L854 garLoopResultBuilder]: At program point L910(lines 863 912) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:31:59,071 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2022-01-10 06:31:59,072 INFO L858 garLoopResultBuilder]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2022-01-10 06:31:59,072 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-01-10 06:31:59,072 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-01-10 06:31:59,072 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-01-10 06:31:59,072 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 707 713) no Hoare annotation was computed. [2022-01-10 06:31:59,072 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 707 713) the Hoare annotation is: true [2022-01-10 06:31:59,072 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 773 783) the Hoare annotation is: true [2022-01-10 06:31:59,072 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 773 783) no Hoare annotation was computed. [2022-01-10 06:31:59,072 INFO L861 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: true [2022-01-10 06:31:59,072 INFO L858 garLoopResultBuilder]: For program point L778-1(line 778) no Hoare annotation was computed. [2022-01-10 06:31:59,072 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 773 783) no Hoare annotation was computed. [2022-01-10 06:31:59,074 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 06:31:59,075 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:31:59,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:31:59 BoogieIcfgContainer [2022-01-10 06:31:59,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:31:59,085 INFO L158 Benchmark]: Toolchain (without parser) took 3550.24ms. Allocated memory was 188.7MB in the beginning and 248.5MB in the end (delta: 59.8MB). Free memory was 137.1MB in the beginning and 177.2MB in the end (delta: -40.1MB). Peak memory consumption was 21.1MB. Max. memory is 8.0GB. [2022-01-10 06:31:59,085 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 188.7MB. Free memory was 154.3MB in the beginning and 154.2MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:31:59,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.37ms. Allocated memory is still 188.7MB. Free memory was 136.9MB in the beginning and 150.3MB in the end (delta: -13.3MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-01-10 06:31:59,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.01ms. Allocated memory is still 188.7MB. Free memory was 150.3MB in the beginning and 148.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:31:59,086 INFO L158 Benchmark]: Boogie Preprocessor took 31.08ms. Allocated memory is still 188.7MB. Free memory was 148.2MB in the beginning and 146.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:31:59,086 INFO L158 Benchmark]: RCFGBuilder took 416.25ms. Allocated memory is still 188.7MB. Free memory was 146.1MB in the beginning and 130.4MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-10 06:31:59,086 INFO L158 Benchmark]: TraceAbstraction took 2580.32ms. Allocated memory was 188.7MB in the beginning and 248.5MB in the end (delta: 59.8MB). Free memory was 129.9MB in the beginning and 177.2MB in the end (delta: -47.3MB). Peak memory consumption was 14.1MB. Max. memory is 8.0GB. [2022-01-10 06:31:59,088 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 188.7MB. Free memory was 154.3MB in the beginning and 154.2MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 472.37ms. Allocated memory is still 188.7MB. Free memory was 136.9MB in the beginning and 150.3MB in the end (delta: -13.3MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.01ms. Allocated memory is still 188.7MB. Free memory was 150.3MB in the beginning and 148.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.08ms. Allocated memory is still 188.7MB. Free memory was 148.2MB in the beginning and 146.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 416.25ms. Allocated memory is still 188.7MB. Free memory was 146.1MB in the beginning and 130.4MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2580.32ms. Allocated memory was 188.7MB in the beginning and 248.5MB in the end (delta: 59.8MB). Free memory was 129.9MB in the beginning and 177.2MB in the end (delta: -47.3MB). Peak memory consumption was 14.1MB. 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: 305]: 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 9 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 200 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 193 mSDsluCounter, 972 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 544 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 428 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 304 PreInvPairs, 348 NumberOfFragments, 208 HoareAnnotationTreeSize, 304 FomulaSimplifications, 27 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 38 FomulaSimplificationsInter, 848 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 7 NumberOfNonLiveVariables, 773 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 0bv32)) && (!(\old(pumpRunning) == 0bv32) || (\result == 0bv32 && 0bv32 == pumpRunning)) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((0bv32 == tmp || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && (!(\old(pumpRunning) == 0bv32) || 0bv32 == pumpRunning) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0bv32) || 0bv32 == pumpRunning - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2022-01-10 06:31:59,121 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...