/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_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:34:31,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:34:31,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:34:31,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:34:31,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:34:31,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:34:31,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:34:31,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:34:31,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:34:31,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:34:31,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:34:31,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:34:31,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:34:31,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:34:31,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:34:31,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:34:31,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:34:31,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:34:31,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:34:31,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:34:31,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:34:31,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:34:31,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:34:31,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:34:31,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:34:31,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:34:31,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:34:31,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:34:31,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:34:31,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:34:31,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:34:31,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:34:31,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:34:31,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:34:31,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:34:31,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:34:31,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:34:31,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:34:31,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:34:31,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:34:31,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:34:31,861 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 06:34:31,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:34:31,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:34:31,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:34:31,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:34:31,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:34:31,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:34:31,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:34:31,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:34:31,899 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:34:31,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:34:31,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:34:31,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:34:31,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:34:31,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:34:31,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:34:31,900 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:34:31,901 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:34:31,901 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:34:31,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:34:31,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:34:31,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:34:31,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:34:31,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:34:31,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:34:31,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:34:31,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:34:31,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:34:31,902 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:34:31,902 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:34:31,902 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:34:31,902 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:34:31,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:34:31,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:34:31,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:34:32,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:34:32,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:34:32,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:34:32,125 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:34:32,126 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:34:32,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2022-01-10 06:34:32,179 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/912aef15e/d619381f5f784101b386b5f05353a184/FLAG9ddba6222 [2022-01-10 06:34:32,592 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:34:32,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2022-01-10 06:34:32,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/912aef15e/d619381f5f784101b386b5f05353a184/FLAG9ddba6222 [2022-01-10 06:34:32,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/912aef15e/d619381f5f784101b386b5f05353a184 [2022-01-10 06:34:32,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:34:32,617 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:34:32,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:34:32,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:34:32,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:34:32,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:34:32" (1/1) ... [2022-01-10 06:34:32,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd899b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:32, skipping insertion in model container [2022-01-10 06:34:32,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:34:32" (1/1) ... [2022-01-10 06:34:32,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:34:32,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:34:32,885 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_spec4_product22.cil.c[8015,8028] [2022-01-10 06:34:32,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:32,937 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:34:32,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:34:32,972 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_spec4_product22.cil.c[8015,8028] [2022-01-10 06:34:32,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:32,987 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:34:33,004 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_spec4_product22.cil.c[8015,8028] [2022-01-10 06:34:33,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:33,027 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:34:33,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:33 WrapperNode [2022-01-10 06:34:33,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:34:33,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:34:33,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:34:33,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:34:33,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:33" (1/1) ... [2022-01-10 06:34:33,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:33" (1/1) ... [2022-01-10 06:34:33,093 INFO L137 Inliner]: procedures = 56, calls = 154, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 235 [2022-01-10 06:34:33,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:34:33,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:34:33,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:34:33,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:34:33,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:33" (1/1) ... [2022-01-10 06:34:33,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:33" (1/1) ... [2022-01-10 06:34:33,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:33" (1/1) ... [2022-01-10 06:34:33,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:33" (1/1) ... [2022-01-10 06:34:33,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:33" (1/1) ... [2022-01-10 06:34:33,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:33" (1/1) ... [2022-01-10 06:34:33,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:33" (1/1) ... [2022-01-10 06:34:33,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:34:33,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:34:33,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:34:33,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:34:33,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:33" (1/1) ... [2022-01-10 06:34:33,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:34:33,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:34:33,193 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 06:34:33,208 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 06:34:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:34:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:34:33,247 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:34:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:34:33,248 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:34:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:34:33,248 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:34:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:34:33,248 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:34:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-01-10 06:34:33,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-01-10 06:34:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:34:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:34:33,249 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:34:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:34:33,249 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:34:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:34:33,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:34:33,321 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:34:33,323 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:34:33,641 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:34:33,646 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:34:33,646 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:34:33,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:33 BoogieIcfgContainer [2022-01-10 06:34:33,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:34:33,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:34:33,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:34:33,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:34:33,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:34:32" (1/3) ... [2022-01-10 06:34:33,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fbf439b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:34:33, skipping insertion in model container [2022-01-10 06:34:33,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:33" (2/3) ... [2022-01-10 06:34:33,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fbf439b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:34:33, skipping insertion in model container [2022-01-10 06:34:33,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:33" (3/3) ... [2022-01-10 06:34:33,652 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2022-01-10 06:34:33,655 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:34:33,655 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:34:33,689 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:34:33,693 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 06:34:33,693 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:34:33,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 70 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-01-10 06:34:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-10 06:34:33,707 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:33,707 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:33,707 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:33,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:33,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1081284888, now seen corresponding path program 1 times [2022-01-10 06:34:33,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:33,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450706376] [2022-01-10 06:34:33,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:33,719 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:33,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:33,721 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 06:34:33,722 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 06:34:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:33,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:34:33,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:33,837 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 06:34:33,837 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:33,838 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:33,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450706376] [2022-01-10 06:34:33,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450706376] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:33,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:33,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:34:33,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31938132] [2022-01-10 06:34:33,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:33,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:34:33,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:33,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:34:33,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:34:33,860 INFO L87 Difference]: Start difference. First operand has 83 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 70 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:33,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:33,879 INFO L93 Difference]: Finished difference Result 158 states and 215 transitions. [2022-01-10 06:34:33,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:34:33,880 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-01-10 06:34:33,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:33,885 INFO L225 Difference]: With dead ends: 158 [2022-01-10 06:34:33,885 INFO L226 Difference]: Without dead ends: 74 [2022-01-10 06:34:33,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 06:34:33,890 INFO L933 BasicCegarLoop]: 104 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, 104 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 06:34:33,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:33,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-01-10 06:34:33,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-01-10 06:34:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.309090909090909) internal successors, (72), 62 states have internal predecessors, (72), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:34:33,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2022-01-10 06:34:33,923 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 19 [2022-01-10 06:34:33,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:33,923 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2022-01-10 06:34:33,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:33,923 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2022-01-10 06:34:33,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 06:34:33,926 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:33,926 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] [2022-01-10 06:34:33,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-01-10 06:34:34,134 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 06:34:34,134 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:34,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:34,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1730590592, now seen corresponding path program 1 times [2022-01-10 06:34:34,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:34,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085622305] [2022-01-10 06:34:34,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:34,136 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:34,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:34,168 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 06:34:34,169 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 06:34:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:34,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:34:34,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:34,313 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 06:34:34,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:34,314 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:34,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085622305] [2022-01-10 06:34:34,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1085622305] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:34,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:34,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:34:34,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249248213] [2022-01-10 06:34:34,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:34,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:34:34,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:34,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:34:34,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:34,324 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:34,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:34,338 INFO L93 Difference]: Finished difference Result 113 states and 145 transitions. [2022-01-10 06:34:34,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:34:34,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-01-10 06:34:34,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:34,345 INFO L225 Difference]: With dead ends: 113 [2022-01-10 06:34:34,345 INFO L226 Difference]: Without dead ends: 65 [2022-01-10 06:34:34,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 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 06:34:34,347 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 13 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 147 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 06:34:34,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 147 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:34,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-01-10 06:34:34,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-01-10 06:34:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 56 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-10 06:34:34,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2022-01-10 06:34:34,353 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 83 transitions. Word has length 20 [2022-01-10 06:34:34,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:34,353 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 83 transitions. [2022-01-10 06:34:34,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2022-01-10 06:34:34,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:34:34,354 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:34,354 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 06:34:34,363 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 06:34:34,561 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 06:34:34,562 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:34,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:34,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1455931255, now seen corresponding path program 1 times [2022-01-10 06:34:34,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:34,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015674280] [2022-01-10 06:34:34,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:34,563 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:34,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:34,564 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 06:34:34,565 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 06:34:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:34,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:34:34,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:34,711 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 06:34:34,711 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:34,712 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:34,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2015674280] [2022-01-10 06:34:34,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2015674280] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:34,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:34,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:34:34,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079810573] [2022-01-10 06:34:34,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:34,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:34:34,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:34,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:34:34,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:34,717 INFO L87 Difference]: Start difference. First operand 65 states and 83 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:34,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:34,759 INFO L93 Difference]: Finished difference Result 123 states and 160 transitions. [2022-01-10 06:34:34,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:34:34,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-01-10 06:34:34,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:34,764 INFO L225 Difference]: With dead ends: 123 [2022-01-10 06:34:34,764 INFO L226 Difference]: Without dead ends: 65 [2022-01-10 06:34:34,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 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 06:34:34,765 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 77 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:34,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 81 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:34,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-01-10 06:34:34,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-01-10 06:34:34,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 56 states have internal predecessors, (64), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-10 06:34:34,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2022-01-10 06:34:34,795 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 25 [2022-01-10 06:34:34,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:34,796 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2022-01-10 06:34:34,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:34,797 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-01-10 06:34:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-10 06:34:34,801 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:34,801 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] [2022-01-10 06:34:34,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-01-10 06:34:35,010 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 06:34:35,010 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:35,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:35,011 INFO L85 PathProgramCache]: Analyzing trace with hash -930014932, now seen corresponding path program 1 times [2022-01-10 06:34:35,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:35,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2009155096] [2022-01-10 06:34:35,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:35,012 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:35,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:35,013 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 06:34:35,014 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 06:34:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:35,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:34:35,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:35,176 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 06:34:35,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:35,176 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:35,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2009155096] [2022-01-10 06:34:35,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2009155096] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:35,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:35,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:34:35,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695355880] [2022-01-10 06:34:35,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:35,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:35,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:35,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:35,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:35,178 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 06:34:35,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:35,234 INFO L93 Difference]: Finished difference Result 174 states and 229 transitions. [2022-01-10 06:34:35,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:35,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 35 [2022-01-10 06:34:35,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:35,238 INFO L225 Difference]: With dead ends: 174 [2022-01-10 06:34:35,238 INFO L226 Difference]: Without dead ends: 116 [2022-01-10 06:34:35,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 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 06:34:35,244 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 47 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:35,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 326 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:35,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-01-10 06:34:35,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2022-01-10 06:34:35,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 86 states have (on average 1.302325581395349) internal successors, (112), 98 states have internal predecessors, (112), 18 states have call successors, (18), 12 states have call predecessors, (18), 11 states have return successors, (19), 9 states have call predecessors, (19), 18 states have call successors, (19) [2022-01-10 06:34:35,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 149 transitions. [2022-01-10 06:34:35,263 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 149 transitions. Word has length 35 [2022-01-10 06:34:35,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:35,264 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 149 transitions. [2022-01-10 06:34:35,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 06:34:35,264 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2022-01-10 06:34:35,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-10 06:34:35,265 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:35,265 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:35,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-01-10 06:34:35,481 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 06:34:35,482 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:35,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:35,482 INFO L85 PathProgramCache]: Analyzing trace with hash 320961478, now seen corresponding path program 1 times [2022-01-10 06:34:35,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:35,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267264570] [2022-01-10 06:34:35,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:35,483 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:35,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:35,491 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 06:34:35,492 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 06:34:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:35,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-10 06:34:35,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:35,776 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 06:34:35,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:35,776 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:35,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267264570] [2022-01-10 06:34:35,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267264570] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:35,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:35,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:34:35,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009911061] [2022-01-10 06:34:35,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:35,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:34:35,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:35,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:34:35,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:34:35,778 INFO L87 Difference]: Start difference. First operand 116 states and 149 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:34:36,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:36,194 INFO L93 Difference]: Finished difference Result 326 states and 427 transitions. [2022-01-10 06:34:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 06:34:36,195 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2022-01-10 06:34:36,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:36,197 INFO L225 Difference]: With dead ends: 326 [2022-01-10 06:34:36,197 INFO L226 Difference]: Without dead ends: 268 [2022-01-10 06:34:36,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-01-10 06:34:36,198 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 204 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:36,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 618 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 06:34:36,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-01-10 06:34:36,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 257. [2022-01-10 06:34:36,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 190 states have (on average 1.305263157894737) internal successors, (248), 220 states have internal predecessors, (248), 41 states have call successors, (41), 23 states have call predecessors, (41), 25 states have return successors, (45), 20 states have call predecessors, (45), 41 states have call successors, (45) [2022-01-10 06:34:36,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 334 transitions. [2022-01-10 06:34:36,217 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 334 transitions. Word has length 39 [2022-01-10 06:34:36,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:36,217 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 334 transitions. [2022-01-10 06:34:36,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:34:36,218 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 334 transitions. [2022-01-10 06:34:36,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-10 06:34:36,219 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:36,219 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] [2022-01-10 06:34:36,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-01-10 06:34:36,425 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 06:34:36,426 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:36,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:36,426 INFO L85 PathProgramCache]: Analyzing trace with hash 500274417, now seen corresponding path program 1 times [2022-01-10 06:34:36,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:36,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [636533792] [2022-01-10 06:34:36,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:36,427 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:36,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:36,428 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 06:34:36,429 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 06:34:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:36,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:34:36,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:36,540 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 06:34:36,540 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:36,540 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:36,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [636533792] [2022-01-10 06:34:36,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [636533792] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:36,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:36,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:34:36,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655809273] [2022-01-10 06:34:36,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:36,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:34:36,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:36,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:34:36,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:36,541 INFO L87 Difference]: Start difference. First operand 257 states and 334 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 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 06:34:36,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:36,559 INFO L93 Difference]: Finished difference Result 331 states and 430 transitions. [2022-01-10 06:34:36,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:34:36,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 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 37 [2022-01-10 06:34:36,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:36,561 INFO L225 Difference]: With dead ends: 331 [2022-01-10 06:34:36,561 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:34:36,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 06:34:36,563 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:36,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 47 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:36,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:34:36,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:34:36,564 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 06:34:36,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:34:36,565 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2022-01-10 06:34:36,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:36,565 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:34:36,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 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 06:34:36,565 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:34:36,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:34:36,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:34:36,575 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 06:34:36,773 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 06:34:36,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:34:37,481 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 285 292) the Hoare annotation is: true [2022-01-10 06:34:37,481 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 285 292) no Hoare annotation was computed. [2022-01-10 06:34:37,482 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 285 292) no Hoare annotation was computed. [2022-01-10 06:34:37,482 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 218 224) no Hoare annotation was computed. [2022-01-10 06:34:37,482 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 218 224) the Hoare annotation is: true [2022-01-10 06:34:37,482 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2022-01-10 06:34:37,482 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-01-10 06:34:37,482 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-01-10 06:34:37,482 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2022-01-10 06:34:37,482 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2022-01-10 06:34:37,482 INFO L861 garLoopResultBuilder]: At program point L471(lines 446 475) the Hoare annotation is: true [2022-01-10 06:34:37,482 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-01-10 06:34:37,482 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 464) no Hoare annotation was computed. [2022-01-10 06:34:37,482 INFO L861 garLoopResultBuilder]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2022-01-10 06:34:37,482 INFO L858 garLoopResultBuilder]: For program point L457(line 457) no Hoare annotation was computed. [2022-01-10 06:34:37,483 INFO L861 garLoopResultBuilder]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2022-01-10 06:34:37,483 INFO L861 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: true [2022-01-10 06:34:37,483 INFO L858 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2022-01-10 06:34:37,483 INFO L854 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|)))) (and (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2))) [2022-01-10 06:34:37,483 INFO L854 garLoopResultBuilder]: At program point L271-1(lines 252 276) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|)))) (and (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2))) [2022-01-10 06:34:37,483 INFO L854 garLoopResultBuilder]: At program point L300(lines 293 303) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= (bvadd (_ bv4294967295 32) |old(~waterLevel~0)|) (_ bv1 32)))))) [2022-01-10 06:34:37,483 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2022-01-10 06:34:37,483 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 194 217) no Hoare annotation was computed. [2022-01-10 06:34:37,483 INFO L854 garLoopResultBuilder]: At program point L309(lines 304 312) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= (bvadd (_ bv4294967295 32) |old(~waterLevel~0)|) (_ bv1 32)))))) [2022-01-10 06:34:37,483 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 197 216) no Hoare annotation was computed. [2022-01-10 06:34:37,484 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 268) no Hoare annotation was computed. [2022-01-10 06:34:37,484 INFO L854 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (and (= |timeShift_getWaterLevel_#res#1| (_ bv2 32)) .cse1 .cse2) .cse3) (or .cse0 .cse3 (and .cse1 (= |timeShift_getWaterLevel_#res#1| (_ bv1 32)) .cse2) (not (= (_ bv1 32) |old(~waterLevel~0)|))))) [2022-01-10 06:34:37,484 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-01-10 06:34:37,484 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 273) no Hoare annotation was computed. [2022-01-10 06:34:37,484 INFO L858 garLoopResultBuilder]: For program point L562(lines 562 568) no Hoare annotation was computed. [2022-01-10 06:34:37,484 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 571) no Hoare annotation was computed. [2022-01-10 06:34:37,484 INFO L854 garLoopResultBuilder]: At program point L558-1(lines 550 574) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~5#1| (_ bv1 32)) .cse1 (= |timeShift_getWaterLevel_#res#1| (_ bv1 32)) .cse2) .cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 .cse3 (and (= |timeShift_getWaterLevel_#res#1| (_ bv2 32)) .cse1 (= |timeShift___utac_acc__Specification4_spec__1_~tmp~5#1| (_ bv2 32)) .cse2)))) [2022-01-10 06:34:37,484 INFO L854 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= (bvadd (_ bv4294967295 32) |old(~waterLevel~0)|) (_ bv1 32)))))) [2022-01-10 06:34:37,484 INFO L854 garLoopResultBuilder]: At program point L546(lines 541 548) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= (bvadd (_ bv4294967295 32) |old(~waterLevel~0)|) (_ bv1 32)))))) [2022-01-10 06:34:37,484 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-01-10 06:34:37,485 INFO L854 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= (bvadd (_ bv4294967295 32) |old(~waterLevel~0)|) (_ bv1 32)))))) [2022-01-10 06:34:37,485 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 194 217) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|)))) (and (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2))) [2022-01-10 06:34:37,485 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 194 217) no Hoare annotation was computed. [2022-01-10 06:34:37,485 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= (bvadd (_ bv4294967295 32) |old(~waterLevel~0)|) (_ bv1 32)))))) [2022-01-10 06:34:37,485 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2022-01-10 06:34:37,485 INFO L854 garLoopResultBuilder]: At program point L262(line 262) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= (bvadd (_ bv4294967295 32) |old(~waterLevel~0)|) (_ bv1 32)))))) [2022-01-10 06:34:37,485 INFO L854 garLoopResultBuilder]: At program point L436(lines 387 437) the Hoare annotation is: false [2022-01-10 06:34:37,485 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 534) no Hoare annotation was computed. [2022-01-10 06:34:37,485 INFO L858 garLoopResultBuilder]: For program point L527-2(lines 527 534) no Hoare annotation was computed. [2022-01-10 06:34:37,485 INFO L854 garLoopResultBuilder]: At program point L164(lines 160 166) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:37,485 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:34:37,486 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:34:37,486 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:34:37,486 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 414) no Hoare annotation was computed. [2022-01-10 06:34:37,486 INFO L861 garLoopResultBuilder]: At program point L536(lines 517 539) the Hoare annotation is: true [2022-01-10 06:34:37,486 INFO L858 garLoopResultBuilder]: For program point L408-1(lines 408 414) no Hoare annotation was computed. [2022-01-10 06:34:37,486 INFO L854 garLoopResultBuilder]: At program point L433(lines 388 435) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)) .cse0 .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2022-01-10 06:34:37,486 INFO L854 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)) .cse0 .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2022-01-10 06:34:37,486 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:34:37,486 INFO L854 garLoopResultBuilder]: At program point L504(lines 500 506) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:37,486 INFO L858 garLoopResultBuilder]: For program point L426(lines 426 430) no Hoare annotation was computed. [2022-01-10 06:34:37,486 INFO L854 garLoopResultBuilder]: At program point L426-2(lines 418 431) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)) .cse0 .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2022-01-10 06:34:37,486 INFO L858 garLoopResultBuilder]: For program point L389(lines 388 435) no Hoare annotation was computed. [2022-01-10 06:34:37,487 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 431) no Hoare annotation was computed. [2022-01-10 06:34:37,487 INFO L854 garLoopResultBuilder]: At program point L410(line 410) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)) .cse0 .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2022-01-10 06:34:37,487 INFO L861 garLoopResultBuilder]: At program point L439(lines 378 443) the Hoare annotation is: true [2022-01-10 06:34:37,487 INFO L854 garLoopResultBuilder]: At program point L373(lines 368 375) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)) .cse0 .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2022-01-10 06:34:37,487 INFO L854 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:37,487 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 404) no Hoare annotation was computed. [2022-01-10 06:34:37,487 INFO L858 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2022-01-10 06:34:37,487 INFO L854 garLoopResultBuilder]: At program point L171(lines 167 173) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:37,487 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 394) no Hoare annotation was computed. [2022-01-10 06:34:37,487 INFO L861 garLoopResultBuilder]: At program point L514(lines 507 516) the Hoare annotation is: true [2022-01-10 06:34:37,487 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-01-10 06:34:37,487 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-01-10 06:34:37,488 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 .cse1 .cse2))) [2022-01-10 06:34:37,488 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 226 250) 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 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2022-01-10 06:34:37,488 INFO L854 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)))) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:34:37,488 INFO L854 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)))) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:34:37,488 INFO L854 garLoopResultBuilder]: At program point L364(lines 349 367) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)))) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:34:37,488 INFO L854 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)))) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:34:37,488 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 242) no Hoare annotation was computed. [2022-01-10 06:34:37,488 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 247) no Hoare annotation was computed. [2022-01-10 06:34:37,488 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 362) no Hoare annotation was computed. [2022-01-10 06:34:37,488 INFO L858 garLoopResultBuilder]: For program point L358-2(lines 358 362) no Hoare annotation was computed. [2022-01-10 06:34:37,488 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 226 250) no Hoare annotation was computed. [2022-01-10 06:34:37,488 INFO L854 garLoopResultBuilder]: At program point L245(line 245) 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 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2022-01-10 06:34:37,489 INFO L858 garLoopResultBuilder]: For program point L245-1(lines 226 250) no Hoare annotation was computed. [2022-01-10 06:34:37,491 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-01-10 06:34:37,497 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:34:37,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:34:37 BoogieIcfgContainer [2022-01-10 06:34:37,521 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:34:37,522 INFO L158 Benchmark]: Toolchain (without parser) took 4904.73ms. Allocated memory was 189.8MB in the beginning and 228.6MB in the end (delta: 38.8MB). Free memory was 136.1MB in the beginning and 107.5MB in the end (delta: 28.6MB). Peak memory consumption was 68.5MB. Max. memory is 8.0GB. [2022-01-10 06:34:37,522 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:34:37,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.93ms. Allocated memory was 189.8MB in the beginning and 228.6MB in the end (delta: 38.8MB). Free memory was 135.9MB in the beginning and 189.3MB in the end (delta: -53.4MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2022-01-10 06:34:37,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.41ms. Allocated memory is still 228.6MB. Free memory was 189.3MB in the beginning and 186.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 06:34:37,522 INFO L158 Benchmark]: Boogie Preprocessor took 32.19ms. Allocated memory is still 228.6MB. Free memory was 186.7MB in the beginning and 185.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:34:37,523 INFO L158 Benchmark]: RCFGBuilder took 520.08ms. Allocated memory is still 228.6MB. Free memory was 185.1MB in the beginning and 167.8MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 06:34:37,523 INFO L158 Benchmark]: TraceAbstraction took 3873.23ms. Allocated memory is still 228.6MB. Free memory was 167.3MB in the beginning and 107.5MB in the end (delta: 59.8MB). Peak memory consumption was 60.9MB. Max. memory is 8.0GB. [2022-01-10 06:34:37,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 408.93ms. Allocated memory was 189.8MB in the beginning and 228.6MB in the end (delta: 38.8MB). Free memory was 135.9MB in the beginning and 189.3MB in the end (delta: -53.4MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.41ms. Allocated memory is still 228.6MB. Free memory was 189.3MB in the beginning and 186.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.19ms. Allocated memory is still 228.6MB. Free memory was 186.7MB in the beginning and 185.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 520.08ms. Allocated memory is still 228.6MB. Free memory was 185.1MB in the beginning and 167.8MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 3873.23ms. Allocated memory is still 228.6MB. Free memory was 167.3MB in the beginning and 107.5MB in the end (delta: 59.8MB). Peak memory consumption was 60.9MB. 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: 545]: 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 8 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 388 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 374 mSDsluCounter, 1323 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 779 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 485 IncrementalHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 544 mSDtfsCounter, 485 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=257occurred in iteration=5, InterpolantAutomatonStates: 27, 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, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 394 PreInvPairs, 416 NumberOfFragments, 838 HoareAnnotationTreeSize, 394 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 240 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 389 SizeOfPredicates, 10 NumberOfNonLiveVariables, 929 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 550]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || (((tmp == 1bv32 && 0bv32 == pumpRunning) && \result == 1bv32) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (((\result == 2bv32 && 0bv32 == pumpRunning) && tmp == 2bv32) && waterLevel == \old(waterLevel))) - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: (((~bvadd16(waterLevel, 4294967295bv32) == 1bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || (((systemActive == 1bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(~bvadd16(4294967295bv32, \old(waterLevel)) == 1bv32)) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(~bvadd16(4294967295bv32, \old(waterLevel)) == 1bv32)) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(~bvadd16(4294967295bv32, \old(waterLevel)) == 1bv32)) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(~bvadd16(waterLevel, 4294967295bv32) == 1bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((\result == 2bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((0bv32 == pumpRunning && \result == 1bv32) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel))) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(~bvadd16(4294967295bv32, \old(waterLevel)) == 1bv32)) - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(~bvadd16(waterLevel, 4294967295bv32) == 1bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(~bvadd16(4294967295bv32, \old(waterLevel)) == 1bv32)) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (((~bvadd16(waterLevel, 4294967295bv32) == 1bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || (((systemActive == 1bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:34:37,575 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...