/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 18:13:53,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 18:13:53,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 18:13:53,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 18:13:53,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 18:13:53,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 18:13:53,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 18:13:53,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 18:13:53,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 18:13:53,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 18:13:53,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 18:13:53,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 18:13:53,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 18:13:53,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 18:13:53,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 18:13:53,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 18:13:53,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 18:13:53,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 18:13:53,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 18:13:53,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 18:13:53,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 18:13:53,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 18:13:53,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 18:13:53,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 18:13:53,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 18:13:53,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 18:13:53,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 18:13:53,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 18:13:53,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 18:13:53,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 18:13:53,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 18:13:53,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 18:13:53,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 18:13:53,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 18:13:53,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 18:13:53,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 18:13:53,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 18:13:53,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 18:13:53,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 18:13:53,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 18:13:53,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 18:13:53,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 18:13:53,842 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 18:13:53,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 18:13:53,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 18:13:53,842 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 18:13:53,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 18:13:53,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 18:13:53,844 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 18:13:53,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 18:13:53,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 18:13:53,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 18:13:53,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 18:13:53,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 18:13:53,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 18:13:53,845 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 18:13:53,845 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 18:13:53,845 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 18:13:53,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 18:13:53,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 18:13:53,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 18:13:53,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 18:13:53,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 18:13:53,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 18:13:53,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 18:13:53,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 18:13:53,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 18:13:53,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 18:13:53,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 18:13:53,846 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 18:13:53,846 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 18:13:53,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 18:13:53,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 18:13:53,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 18:13:53,847 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 18:13:53,847 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 18:13:54,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 18:13:54,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 18:13:54,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 18:13:54,076 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 18:13:54,077 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 18:13:54,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c [2022-01-10 18:13:54,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/798dc619d/8f63e7948aac4ba59ba71807c0aa2e32/FLAGb3d34a754 [2022-01-10 18:13:54,577 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 18:13:54,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c [2022-01-10 18:13:54,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/798dc619d/8f63e7948aac4ba59ba71807c0aa2e32/FLAGb3d34a754 [2022-01-10 18:13:54,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/798dc619d/8f63e7948aac4ba59ba71807c0aa2e32 [2022-01-10 18:13:54,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 18:13:54,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 18:13:54,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 18:13:54,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 18:13:54,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 18:13:54,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:13:54" (1/1) ... [2022-01-10 18:13:54,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e5db4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:54, skipping insertion in model container [2022-01-10 18:13:54,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:13:54" (1/1) ... [2022-01-10 18:13:54,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 18:13:54,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 18:13:54,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c[17174,17187] [2022-01-10 18:13:55,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 18:13:55,016 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 18:13:55,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 18:13:55,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c[17174,17187] [2022-01-10 18:13:55,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 18:13:55,094 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 18:13:55,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c[17174,17187] [2022-01-10 18:13:55,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 18:13:55,167 INFO L208 MainTranslator]: Completed translation [2022-01-10 18:13:55,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:55 WrapperNode [2022-01-10 18:13:55,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 18:13:55,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 18:13:55,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 18:13:55,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 18:13:55,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:55" (1/1) ... [2022-01-10 18:13:55,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:55" (1/1) ... [2022-01-10 18:13:55,221 INFO L137 Inliner]: procedures = 53, calls = 146, calls flagged for inlining = 43, calls inlined = 34, statements flattened = 297 [2022-01-10 18:13:55,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 18:13:55,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 18:13:55,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 18:13:55,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 18:13:55,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:55" (1/1) ... [2022-01-10 18:13:55,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:55" (1/1) ... [2022-01-10 18:13:55,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:55" (1/1) ... [2022-01-10 18:13:55,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:55" (1/1) ... [2022-01-10 18:13:55,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:55" (1/1) ... [2022-01-10 18:13:55,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:55" (1/1) ... [2022-01-10 18:13:55,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:55" (1/1) ... [2022-01-10 18:13:55,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 18:13:55,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 18:13:55,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 18:13:55,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 18:13:55,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:55" (1/1) ... [2022-01-10 18:13:55,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 18:13:55,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 18:13:55,297 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 18:13:55,299 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 18:13:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 18:13:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 18:13:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 18:13:55,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 18:13:55,382 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 18:13:55,383 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 18:13:55,610 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 18:13:55,617 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 18:13:55,617 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 18:13:55,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:13:55 BoogieIcfgContainer [2022-01-10 18:13:55,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 18:13:55,620 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 18:13:55,620 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 18:13:55,621 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 18:13:55,624 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:13:55" (1/1) ... [2022-01-10 18:13:55,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 06:13:55 BasicIcfg [2022-01-10 18:13:55,745 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 18:13:55,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 18:13:55,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 18:13:55,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 18:13:55,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:13:54" (1/4) ... [2022-01-10 18:13:55,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebb2839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:13:55, skipping insertion in model container [2022-01-10 18:13:55,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:13:55" (2/4) ... [2022-01-10 18:13:55,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebb2839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:13:55, skipping insertion in model container [2022-01-10 18:13:55,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:13:55" (3/4) ... [2022-01-10 18:13:55,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebb2839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:13:55, skipping insertion in model container [2022-01-10 18:13:55,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 06:13:55" (4/4) ... [2022-01-10 18:13:55,752 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product02.cil.cTransformedIcfg [2022-01-10 18:13:55,756 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 18:13:55,756 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-10 18:13:55,793 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 18:13:55,799 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 18:13:55,799 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-10 18:13:55,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 79 states have (on average 1.4303797468354431) internal successors, (113), 82 states have internal predecessors, (113), 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 18:13:55,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-10 18:13:55,818 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:13:55,818 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 18:13:55,819 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:13:55,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:13:55,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1074698962, now seen corresponding path program 1 times [2022-01-10 18:13:55,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:13:55,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973899493] [2022-01-10 18:13:55,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:13:55,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:13:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:13:56,064 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 18:13:56,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:13:56,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973899493] [2022-01-10 18:13:56,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973899493] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:13:56,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:13:56,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 18:13:56,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846654324] [2022-01-10 18:13:56,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:13:56,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 18:13:56,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:13:56,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 18:13:56,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 18:13:56,102 INFO L87 Difference]: Start difference. First operand has 83 states, 79 states have (on average 1.4303797468354431) internal successors, (113), 82 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 18:13:56,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:13:56,129 INFO L93 Difference]: Finished difference Result 155 states and 214 transitions. [2022-01-10 18:13:56,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 18:13:56,132 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-01-10 18:13:56,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:13:56,138 INFO L225 Difference]: With dead ends: 155 [2022-01-10 18:13:56,138 INFO L226 Difference]: Without dead ends: 73 [2022-01-10 18:13:56,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 18:13:56,144 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:13:56,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:13:56,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-01-10 18:13:56,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-01-10 18:13:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 72 states have internal predecessors, (95), 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 18:13:56,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 95 transitions. [2022-01-10 18:13:56,179 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 95 transitions. Word has length 19 [2022-01-10 18:13:56,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:13:56,180 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 95 transitions. [2022-01-10 18:13:56,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 18:13:56,180 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2022-01-10 18:13:56,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 18:13:56,181 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:13:56,181 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 18:13:56,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 18:13:56,182 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:13:56,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:13:56,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1650097922, now seen corresponding path program 1 times [2022-01-10 18:13:56,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:13:56,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246377343] [2022-01-10 18:13:56,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:13:56,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:13:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:13:56,317 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 18:13:56,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:13:56,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246377343] [2022-01-10 18:13:56,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246377343] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:13:56,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:13:56,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 18:13:56,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960255531] [2022-01-10 18:13:56,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:13:56,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:13:56,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:13:56,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:13:56,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:13:56,321 INFO L87 Difference]: Start difference. First operand 73 states and 95 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 18:13:56,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:13:56,365 INFO L93 Difference]: Finished difference Result 138 states and 182 transitions. [2022-01-10 18:13:56,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:13:56,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-01-10 18:13:56,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:13:56,368 INFO L225 Difference]: With dead ends: 138 [2022-01-10 18:13:56,368 INFO L226 Difference]: Without dead ends: 73 [2022-01-10 18:13:56,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:13:56,370 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 79 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:13:56,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 89 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:13:56,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-01-10 18:13:56,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-01-10 18:13:56,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 72 states have internal predecessors, (92), 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 18:13:56,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2022-01-10 18:13:56,386 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 20 [2022-01-10 18:13:56,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:13:56,386 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-01-10 18:13:56,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 18:13:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2022-01-10 18:13:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-01-10 18:13:56,387 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:13:56,388 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] [2022-01-10 18:13:56,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 18:13:56,388 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:13:56,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:13:56,389 INFO L85 PathProgramCache]: Analyzing trace with hash 303735950, now seen corresponding path program 1 times [2022-01-10 18:13:56,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:13:56,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70740277] [2022-01-10 18:13:56,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:13:56,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:13:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:13:56,454 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 18:13:56,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:13:56,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70740277] [2022-01-10 18:13:56,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70740277] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:13:56,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:13:56,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 18:13:56,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518419924] [2022-01-10 18:13:56,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:13:56,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:13:56,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:13:56,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:13:56,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:13:56,457 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 18:13:56,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:13:56,507 INFO L93 Difference]: Finished difference Result 138 states and 176 transitions. [2022-01-10 18:13:56,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:13:56,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-01-10 18:13:56,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:13:56,510 INFO L225 Difference]: With dead ends: 138 [2022-01-10 18:13:56,510 INFO L226 Difference]: Without dead ends: 132 [2022-01-10 18:13:56,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:13:56,512 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 63 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:13:56,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 161 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:13:56,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-01-10 18:13:56,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-01-10 18:13:56,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 129 states have (on average 1.317829457364341) internal successors, (170), 131 states have internal predecessors, (170), 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 18:13:56,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 170 transitions. [2022-01-10 18:13:56,529 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 170 transitions. Word has length 21 [2022-01-10 18:13:56,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:13:56,529 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 170 transitions. [2022-01-10 18:13:56,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 18:13:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2022-01-10 18:13:56,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-10 18:13:56,531 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:13:56,531 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:13:56,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 18:13:56,532 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:13:56,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:13:56,532 INFO L85 PathProgramCache]: Analyzing trace with hash -297406236, now seen corresponding path program 1 times [2022-01-10 18:13:56,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:13:56,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849151438] [2022-01-10 18:13:56,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:13:56,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:13:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:13:56,662 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 18:13:56,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:13:56,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849151438] [2022-01-10 18:13:56,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849151438] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:13:56,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:13:56,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 18:13:56,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912927697] [2022-01-10 18:13:56,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:13:56,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 18:13:56,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:13:56,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 18:13:56,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 18:13:56,665 INFO L87 Difference]: Start difference. First operand 132 states and 170 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 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 18:13:56,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:13:56,788 INFO L93 Difference]: Finished difference Result 415 states and 544 transitions. [2022-01-10 18:13:56,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 18:13:56,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-10 18:13:56,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:13:56,794 INFO L225 Difference]: With dead ends: 415 [2022-01-10 18:13:56,794 INFO L226 Difference]: Without dead ends: 259 [2022-01-10 18:13:56,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 18:13:56,802 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 237 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 18:13:56,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 441 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 18:13:56,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2022-01-10 18:13:56,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 157. [2022-01-10 18:13:56,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 154 states have (on average 1.3116883116883118) internal successors, (202), 156 states have internal predecessors, (202), 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 18:13:56,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 202 transitions. [2022-01-10 18:13:56,836 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 202 transitions. Word has length 36 [2022-01-10 18:13:56,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:13:56,836 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 202 transitions. [2022-01-10 18:13:56,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 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 18:13:56,837 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 202 transitions. [2022-01-10 18:13:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-10 18:13:56,838 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:13:56,838 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:13:56,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 18:13:56,838 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:13:56,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:13:56,839 INFO L85 PathProgramCache]: Analyzing trace with hash 900148938, now seen corresponding path program 1 times [2022-01-10 18:13:56,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:13:56,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96837868] [2022-01-10 18:13:56,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:13:56,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:13:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:13:56,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 18:13:56,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:13:56,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96837868] [2022-01-10 18:13:56,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96837868] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:13:56,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:13:56,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 18:13:56,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879581761] [2022-01-10 18:13:56,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:13:56,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:13:56,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:13:56,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:13:56,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:13:56,943 INFO L87 Difference]: Start difference. First operand 157 states and 202 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 18:13:56,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:13:56,965 INFO L93 Difference]: Finished difference Result 157 states and 202 transitions. [2022-01-10 18:13:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:13:56,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-01-10 18:13:56,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:13:56,966 INFO L225 Difference]: With dead ends: 157 [2022-01-10 18:13:56,967 INFO L226 Difference]: Without dead ends: 91 [2022-01-10 18:13:56,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:13:56,968 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 17 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 54 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 18:13:56,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 54 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:13:56,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-01-10 18:13:56,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-01-10 18:13:56,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.3111111111111111) internal successors, (118), 90 states have internal predecessors, (118), 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 18:13:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2022-01-10 18:13:56,998 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 44 [2022-01-10 18:13:56,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:13:57,001 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2022-01-10 18:13:57,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 18:13:57,002 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2022-01-10 18:13:57,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 18:13:57,003 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:13:57,003 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:13:57,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 18:13:57,003 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:13:57,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:13:57,004 INFO L85 PathProgramCache]: Analyzing trace with hash 2007958807, now seen corresponding path program 1 times [2022-01-10 18:13:57,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:13:57,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250979380] [2022-01-10 18:13:57,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:13:57,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:13:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:13:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 18:13:57,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:13:57,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250979380] [2022-01-10 18:13:57,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250979380] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:13:57,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:13:57,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 18:13:57,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198168715] [2022-01-10 18:13:57,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:13:57,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 18:13:57,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:13:57,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 18:13:57,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 18:13:57,141 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 18:13:57,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:13:57,196 INFO L93 Difference]: Finished difference Result 216 states and 282 transitions. [2022-01-10 18:13:57,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 18:13:57,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-01-10 18:13:57,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:13:57,199 INFO L225 Difference]: With dead ends: 216 [2022-01-10 18:13:57,199 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 18:13:57,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-10 18:13:57,203 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 99 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:13:57,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 160 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:13:57,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 18:13:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 18:13:57,206 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 18:13:57,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 18:13:57,206 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2022-01-10 18:13:57,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:13:57,206 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 18:13:57,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 18:13:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 18:13:57,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 18:13:57,209 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-10 18:13:57,209 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-10 18:13:57,210 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-10 18:13:57,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 18:13:57,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 18:13:57,927 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 18:13:57,928 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 18:13:57,928 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= ~methaneLevelCritical~0Int 0) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,928 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= ~methaneLevelCritical~0Int 0) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,928 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= ~methaneLevelCritical~0Int 0) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,929 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 674) no Hoare annotation was computed. [2022-01-10 18:13:57,929 INFO L854 garLoopResultBuilder]: At program point L642(lines 638 644) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= ~methaneLevelCritical~0Int 0) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,929 INFO L858 garLoopResultBuilder]: For program point L667-2(lines 667 674) no Hoare annotation was computed. [2022-01-10 18:13:57,929 INFO L854 garLoopResultBuilder]: At program point L182(lines 177 184) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= ~methaneLevelCritical~0Int 0) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,929 INFO L861 garLoopResultBuilder]: At program point L676(lines 657 679) the Hoare annotation is: true [2022-01-10 18:13:57,929 INFO L854 garLoopResultBuilder]: At program point L809-2(lines 809 856) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| (+ 3 (* 4294967296 (div |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 2147483648)))) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,929 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 18:13:57,929 INFO L854 garLoopResultBuilder]: At program point L857(lines 808 858) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (<= ~methaneLevelCritical~0Int 0) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,930 INFO L858 garLoopResultBuilder]: For program point L810(lines 809 856) no Hoare annotation was computed. [2022-01-10 18:13:57,930 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 18:13:57,930 INFO L858 garLoopResultBuilder]: For program point L691-3(lines 691 697) no Hoare annotation was computed. [2022-01-10 18:13:57,930 INFO L858 garLoopResultBuilder]: For program point L811(lines 811 815) no Hoare annotation was computed. [2022-01-10 18:13:57,930 INFO L858 garLoopResultBuilder]: For program point L100-3(lines 100 104) no Hoare annotation was computed. [2022-01-10 18:13:57,930 INFO L858 garLoopResultBuilder]: For program point L691-5(lines 690 709) no Hoare annotation was computed. [2022-01-10 18:13:57,930 INFO L858 garLoopResultBuilder]: For program point L819(lines 819 825) no Hoare annotation was computed. [2022-01-10 18:13:57,930 INFO L854 garLoopResultBuilder]: At program point L100-5(lines 96 107) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (<= ~methaneLevelCritical~0Int 0) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,930 INFO L854 garLoopResultBuilder]: At program point L715-1(lines 711 717) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (<= ~methaneLevelCritical~0Int 0) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,930 INFO L858 garLoopResultBuilder]: For program point L698-3(lines 698 704) no Hoare annotation was computed. [2022-01-10 18:13:57,931 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 116) no Hoare annotation was computed. [2022-01-10 18:13:57,931 INFO L858 garLoopResultBuilder]: For program point L819-2(lines 819 825) no Hoare annotation was computed. [2022-01-10 18:13:57,931 INFO L854 garLoopResultBuilder]: At program point L137-1(lines 132 140) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (<= |ULTIMATE.start_ULTIMATE.start_isMethaneLevelCritical_#res#1Int| 0) (<= ~methaneLevelCritical~0Int 0) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,931 INFO L854 garLoopResultBuilder]: At program point L112-2(lines 108 119) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| (+ 3 (* 4294967296 (div |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 2147483648)))) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,931 INFO L858 garLoopResultBuilder]: For program point L829(lines 829 835) no Hoare annotation was computed. [2022-01-10 18:13:57,931 INFO L858 garLoopResultBuilder]: For program point L193-2(lines 193 210) no Hoare annotation was computed. [2022-01-10 18:13:57,931 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 128) no Hoare annotation was computed. [2022-01-10 18:13:57,931 INFO L858 garLoopResultBuilder]: For program point L829-2(lines 829 835) no Hoare annotation was computed. [2022-01-10 18:13:57,932 INFO L854 garLoopResultBuilder]: At program point L750-1(lines 745 753) the Hoare annotation is: false [2022-01-10 18:13:57,932 INFO L854 garLoopResultBuilder]: At program point L193-3(lines 185 213) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (<= |ULTIMATE.start_ULTIMATE.start_isMethaneLevelCritical_#res#1Int| 0) (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0#1Int| 0) (<= ~methaneLevelCritical~0Int 0) (< 0 (+ |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0#1Int| 1)) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,932 INFO L854 garLoopResultBuilder]: At program point L124-2(lines 120 131) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0Int)) (.cse1 (= ~pumpRunning~0Int 0)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| (+ 3 (* 4294967296 (div |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 2147483648)))))) (or (and .cse0 .cse1 .cse2 (<= ~methaneLevelCritical~0Int 0)) (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0Int 0)))) [2022-01-10 18:13:57,932 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 852) no Hoare annotation was computed. [2022-01-10 18:13:57,932 INFO L858 garLoopResultBuilder]: For program point L197-2(lines 197 207) no Hoare annotation was computed. [2022-01-10 18:13:57,932 INFO L854 garLoopResultBuilder]: At program point L708-1(lines 687 710) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (<= |ULTIMATE.start_ULTIMATE.start_isMethaneLevelCritical_#res#1Int| 0) (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0#1Int| 0) (<= ~methaneLevelCritical~0Int 0) (< 0 (+ |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0#1Int| 1)) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,932 INFO L854 garLoopResultBuilder]: At program point L795(lines 790 797) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0Int)) (.cse1 (= ~pumpRunning~0Int 0)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| (+ 3 (* 4294967296 (div |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 2147483648)))))) (or (and .cse0 .cse1 .cse2 (<= ~methaneLevelCritical~0Int 0)) (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0Int 0)))) [2022-01-10 18:13:57,933 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 851) no Hoare annotation was computed. [2022-01-10 18:13:57,933 INFO L858 garLoopResultBuilder]: For program point L198-3(lines 198 204) no Hoare annotation was computed. [2022-01-10 18:13:57,933 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 607) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (<= |ULTIMATE.start_ULTIMATE.start_isMethaneLevelCritical_#res#1Int| 0) (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0#1Int| 0) (<= ~methaneLevelCritical~0Int 0) (< 0 (+ |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0#1Int| 1)) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,933 INFO L858 garLoopResultBuilder]: For program point L847-2(lines 839 852) no Hoare annotation was computed. [2022-01-10 18:13:57,933 INFO L858 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2022-01-10 18:13:57,933 INFO L861 garLoopResultBuilder]: At program point L608(lines 583 612) the Hoare annotation is: true [2022-01-10 18:13:57,933 INFO L858 garLoopResultBuilder]: For program point L594(line 594) no Hoare annotation was computed. [2022-01-10 18:13:57,933 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 697) no Hoare annotation was computed. [2022-01-10 18:13:57,934 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2022-01-10 18:13:57,934 INFO L854 garLoopResultBuilder]: At program point L871-1(lines 866 873) the Hoare annotation is: false [2022-01-10 18:13:57,934 INFO L861 garLoopResultBuilder]: At program point L862(lines 799 864) the Hoare annotation is: true [2022-01-10 18:13:57,934 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 601) no Hoare annotation was computed. [2022-01-10 18:13:57,934 INFO L858 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2022-01-10 18:13:57,934 INFO L858 garLoopResultBuilder]: For program point L691-2(lines 690 709) no Hoare annotation was computed. [2022-01-10 18:13:57,934 INFO L861 garLoopResultBuilder]: At program point L654(lines 646 656) the Hoare annotation is: true [2022-01-10 18:13:57,934 INFO L858 garLoopResultBuilder]: For program point L597-1(lines 597 601) no Hoare annotation was computed. [2022-01-10 18:13:57,935 INFO L854 garLoopResultBuilder]: At program point L100-2(lines 96 107) the Hoare annotation is: false [2022-01-10 18:13:57,935 INFO L854 garLoopResultBuilder]: At program point L715(lines 711 717) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0Int)) (.cse1 (= ~pumpRunning~0Int 0)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| (+ 3 (* 4294967296 (div |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 2147483648)))))) (or (and .cse0 .cse1 .cse2 (<= ~methaneLevelCritical~0Int 0)) (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0Int 0)))) [2022-01-10 18:13:57,935 INFO L858 garLoopResultBuilder]: For program point L698-1(lines 698 704) no Hoare annotation was computed. [2022-01-10 18:13:57,935 INFO L858 garLoopResultBuilder]: For program point L691-6(lines 691 697) no Hoare annotation was computed. [2022-01-10 18:13:57,935 INFO L854 garLoopResultBuilder]: At program point L137(lines 132 140) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0Int)) (.cse1 (= ~pumpRunning~0Int 0)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| (+ 3 (* 4294967296 (div |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 2147483648)))))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0Int 0)) (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_isMethaneLevelCritical_#res#1Int| 0) .cse2 (<= ~methaneLevelCritical~0Int 0)))) [2022-01-10 18:13:57,935 INFO L858 garLoopResultBuilder]: For program point L100-6(lines 100 104) no Hoare annotation was computed. [2022-01-10 18:13:57,935 INFO L858 garLoopResultBuilder]: For program point L691-8(lines 690 709) no Hoare annotation was computed. [2022-01-10 18:13:57,935 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 210) no Hoare annotation was computed. [2022-01-10 18:13:57,936 INFO L854 garLoopResultBuilder]: At program point L100-8(lines 96 107) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (<= |ULTIMATE.start_ULTIMATE.start_isMethaneLevelCritical_#res#1Int| 0) (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0#1Int| 0) (<= ~methaneLevelCritical~0Int 0) (< 0 (+ |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0#1Int| 1)) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,936 INFO L854 garLoopResultBuilder]: At program point L715-2(lines 711 717) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (<= |ULTIMATE.start_ULTIMATE.start_isMethaneLevelCritical_#res#1Int| 0) (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0#1Int| 0) (<= ~methaneLevelCritical~0Int 0) (< 0 (+ |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0#1Int| 1)) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,936 INFO L858 garLoopResultBuilder]: For program point L698-5(lines 698 704) no Hoare annotation was computed. [2022-01-10 18:13:57,936 INFO L854 garLoopResultBuilder]: At program point L750(lines 745 753) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| (+ 3 (* 4294967296 (div |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 2147483648)))) (<= |ULTIMATE.start_ULTIMATE.start_isPumpRunning_#res#1Int| ~pumpRunning~0Int) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,936 INFO L854 garLoopResultBuilder]: At program point L193-1(lines 185 213) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| (+ 3 (* 4294967296 (div |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 2147483648)))) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,936 INFO L854 garLoopResultBuilder]: At program point L137-2(lines 132 140) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (<= |ULTIMATE.start_ULTIMATE.start_isMethaneLevelCritical_#res#1Int| 0) (<= ~methaneLevelCritical~0Int 0) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,936 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 207) no Hoare annotation was computed. [2022-01-10 18:13:57,937 INFO L854 garLoopResultBuilder]: At program point L708(lines 687 710) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (= ~pumpRunning~0Int 0) (<= |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| (+ 3 (* 4294967296 (div |ULTIMATE.start_ULTIMATE.start_test_~splverifierCounter~0#1Int| 2147483648)))) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,937 INFO L858 garLoopResultBuilder]: For program point L193-4(lines 193 210) no Hoare annotation was computed. [2022-01-10 18:13:57,937 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 204) no Hoare annotation was computed. [2022-01-10 18:13:57,937 INFO L854 garLoopResultBuilder]: At program point L750-2(lines 745 753) the Hoare annotation is: false [2022-01-10 18:13:57,937 INFO L854 garLoopResultBuilder]: At program point L193-5(lines 185 213) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (<= |ULTIMATE.start_ULTIMATE.start_isMethaneLevelCritical_#res#1Int| 0) (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0#1Int| 0) (<= ~methaneLevelCritical~0Int 0) (< 0 (+ |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0#1Int| 1)) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,937 INFO L858 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2022-01-10 18:13:57,937 INFO L858 garLoopResultBuilder]: For program point L197-4(lines 197 207) no Hoare annotation was computed. [2022-01-10 18:13:57,937 INFO L854 garLoopResultBuilder]: At program point L708-2(lines 687 710) the Hoare annotation is: (and (<= 1 ~systemActive~0Int) (<= |ULTIMATE.start_ULTIMATE.start_isMethaneLevelCritical_#res#1Int| 0) (<= |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0#1Int| 0) (<= ~methaneLevelCritical~0Int 0) (< 0 (+ |ULTIMATE.start_ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0#1Int| 1)) (= ~methAndRunningLastTime~0Int 0)) [2022-01-10 18:13:57,938 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2022-01-10 18:13:57,938 INFO L854 garLoopResultBuilder]: At program point L871(lines 866 873) the Hoare annotation is: false [2022-01-10 18:13:57,938 INFO L858 garLoopResultBuilder]: For program point L198-6(lines 198 204) no Hoare annotation was computed. [2022-01-10 18:13:57,938 INFO L858 garLoopResultBuilder]: For program point L870-2(line 870) no Hoare annotation was computed. [2022-01-10 18:13:57,938 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2022-01-10 18:13:57,938 INFO L854 garLoopResultBuilder]: At program point L871-2(lines 866 873) the Hoare annotation is: false [2022-01-10 18:13:57,941 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-01-10 18:13:57,943 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 18:13:58,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:13:58 BasicIcfg [2022-01-10 18:13:58,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 18:13:58,002 INFO L158 Benchmark]: Toolchain (without parser) took 3388.76ms. Allocated memory was 203.4MB in the beginning and 307.2MB in the end (delta: 103.8MB). Free memory was 143.6MB in the beginning and 244.6MB in the end (delta: -101.0MB). Peak memory consumption was 146.1MB. Max. memory is 8.0GB. [2022-01-10 18:13:58,003 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 203.4MB. Free memory is still 161.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 18:13:58,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.99ms. Allocated memory was 203.4MB in the beginning and 307.2MB in the end (delta: 103.8MB). Free memory was 143.4MB in the beginning and 264.2MB in the end (delta: -120.8MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2022-01-10 18:13:58,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.16ms. Allocated memory is still 307.2MB. Free memory was 264.2MB in the beginning and 261.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 18:13:58,003 INFO L158 Benchmark]: Boogie Preprocessor took 25.23ms. Allocated memory is still 307.2MB. Free memory was 261.5MB in the beginning and 259.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 18:13:58,004 INFO L158 Benchmark]: RCFGBuilder took 371.61ms. Allocated memory is still 307.2MB. Free memory was 259.5MB in the beginning and 242.1MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 18:13:58,004 INFO L158 Benchmark]: IcfgTransformer took 125.29ms. Allocated memory is still 307.2MB. Free memory was 242.1MB in the beginning and 236.9MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 18:13:58,004 INFO L158 Benchmark]: TraceAbstraction took 2255.44ms. Allocated memory is still 307.2MB. Free memory was 236.4MB in the beginning and 244.6MB in the end (delta: -8.3MB). Peak memory consumption was 135.4MB. Max. memory is 8.0GB. [2022-01-10 18:13:58,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 203.4MB. Free memory is still 161.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 547.99ms. Allocated memory was 203.4MB in the beginning and 307.2MB in the end (delta: 103.8MB). Free memory was 143.4MB in the beginning and 264.2MB in the end (delta: -120.8MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.16ms. Allocated memory is still 307.2MB. Free memory was 264.2MB in the beginning and 261.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.23ms. Allocated memory is still 307.2MB. Free memory was 261.5MB in the beginning and 259.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 371.61ms. Allocated memory is still 307.2MB. Free memory was 259.5MB in the beginning and 242.1MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * IcfgTransformer took 125.29ms. Allocated memory is still 307.2MB. Free memory was 242.1MB in the beginning and 236.9MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * TraceAbstraction took 2255.44ms. Allocated memory is still 307.2MB. Free memory was 236.4MB in the beginning and 244.6MB in the end (delta: -8.3MB). Peak memory consumption was 135.4MB. 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: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: 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 1 procedures, 83 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 495 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 495 mSDsluCounter, 1008 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 498 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 510 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 102 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 36 PreInvPairs, 98 NumberOfFragments, 535 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 1906 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 524 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 21/21 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 3 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && ~bvule34(~zero_extendFrom32To34(splverifierCounter), ~bvadd16(3bv34, ~zero_extendFrom33To34(~bvmul64(4294967296bv33, ~zero_extendFrom1To33(splverifierCounter[31:31])))))) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning) && ~bvule32(\result, pumpRunning) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && ~bvule34(~zero_extendFrom32To34(splverifierCounter), ~bvadd16(3bv34, ~zero_extendFrom33To34(~bvmul64(4294967296bv33, ~zero_extendFrom1To33(splverifierCounter[31:31])))))) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning) || (((~bvule32(methaneLevelCritical, 0bv32) && ~bvule34(~zero_extendFrom32To34(splverifierCounter), ~bvadd16(3bv34, ~zero_extendFrom33To34(~bvmul64(4294967296bv33, ~zero_extendFrom1To33(splverifierCounter[31:31])))))) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning) - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: ((((~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(tmp, 0bv32)) && ~bvule32(1bv32, systemActive)) && ~bvule32(\result, 0bv32)) && ~bvult64(0bv33, ~bvadd16(~zero_extendFrom32To33(tmp), 1bv33)) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(1bv32, systemActive)) && ~bvule32(\result, 0bv32) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: ((((~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(tmp, 0bv32)) && ~bvule32(1bv32, systemActive)) && ~bvule32(\result, 0bv32)) && ~bvult64(0bv33, ~bvadd16(~zero_extendFrom32To33(tmp), 1bv33)) - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(tmp, 0bv32)) && ~bvule32(1bv32, systemActive)) && ~bvule32(\result, 0bv32)) && ~bvult64(0bv33, ~bvadd16(~zero_extendFrom32To33(tmp), 1bv33)) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(1bv32, systemActive) - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: ((methAndRunningLastTime == 0bv32 && ~bvule34(~zero_extendFrom32To34(splverifierCounter), ~bvadd16(3bv34, ~zero_extendFrom33To34(~bvmul64(4294967296bv33, ~zero_extendFrom1To33(splverifierCounter[31:31])))))) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(tmp, 0bv32)) && ~bvule32(1bv32, systemActive)) && ~bvule32(\result, 0bv32)) && ~bvult64(0bv33, ~bvadd16(~zero_extendFrom32To33(tmp), 1bv33)) - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: ((~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && ~bvule34(~zero_extendFrom32To34(splverifierCounter), ~bvadd16(3bv34, ~zero_extendFrom33To34(~bvmul64(4294967296bv33, ~zero_extendFrom1To33(splverifierCounter[31:31])))))) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning) || (((~bvule32(methaneLevelCritical, 0bv32) && ~bvule34(~zero_extendFrom32To34(splverifierCounter), ~bvadd16(3bv34, ~zero_extendFrom33To34(~bvmul64(4294967296bv33, ~zero_extendFrom1To33(splverifierCounter[31:31])))))) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(1bv32, systemActive)) && ~bvule32(\result, 0bv32) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(1bv32, systemActive) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(tmp, 0bv32)) && ~bvule32(1bv32, systemActive)) && ~bvule32(\result, 0bv32)) && ~bvult64(0bv33, ~bvadd16(~zero_extendFrom32To33(tmp), 1bv33)) - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: ((((~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(tmp, 0bv32)) && ~bvule32(1bv32, systemActive)) && ~bvule32(\result, 0bv32)) && ~bvult64(0bv33, ~bvadd16(~zero_extendFrom32To33(tmp), 1bv33)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: ((methAndRunningLastTime == 0bv32 && ~bvule34(~zero_extendFrom32To34(splverifierCounter), ~bvadd16(3bv34, ~zero_extendFrom33To34(~bvmul64(4294967296bv33, ~zero_extendFrom1To33(splverifierCounter[31:31])))))) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: ((((~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(tmp, 0bv32)) && ~bvule32(1bv32, systemActive)) && ~bvule32(\result, 0bv32)) && ~bvult64(0bv33, ~bvadd16(~zero_extendFrom32To33(tmp), 1bv33)) - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: ((methAndRunningLastTime == 0bv32 && ~bvule34(~zero_extendFrom32To34(splverifierCounter), ~bvadd16(3bv34, ~zero_extendFrom33To34(~bvmul64(4294967296bv33, ~zero_extendFrom1To33(splverifierCounter[31:31])))))) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && ~bvule34(~zero_extendFrom32To34(splverifierCounter), ~bvadd16(3bv34, ~zero_extendFrom33To34(~bvmul64(4294967296bv33, ~zero_extendFrom1To33(splverifierCounter[31:31])))))) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning) || ((((~bvule32(methaneLevelCritical, 0bv32) && ~bvule34(~zero_extendFrom32To34(splverifierCounter), ~bvadd16(3bv34, ~zero_extendFrom33To34(~bvmul64(4294967296bv33, ~zero_extendFrom1To33(splverifierCounter[31:31])))))) && ~bvule32(1bv32, systemActive)) && ~bvule32(\result, 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && ~bvule34(~zero_extendFrom32To34(splverifierCounter), ~bvadd16(3bv34, ~zero_extendFrom33To34(~bvmul64(4294967296bv33, ~zero_extendFrom1To33(splverifierCounter[31:31])))))) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning) || (((~bvule32(methaneLevelCritical, 0bv32) && ~bvule34(~zero_extendFrom32To34(splverifierCounter), ~bvadd16(3bv34, ~zero_extendFrom33To34(~bvmul64(4294967296bv33, ~zero_extendFrom1To33(splverifierCounter[31:31])))))) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning) - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: (~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(1bv32, systemActive) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((methAndRunningLastTime == 0bv32 && ~bvule34(~zero_extendFrom32To34(splverifierCounter), ~bvadd16(3bv34, ~zero_extendFrom33To34(~bvmul64(4294967296bv33, ~zero_extendFrom1To33(splverifierCounter[31:31])))))) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: ((~bvule32(methaneLevelCritical, 0bv32) && methAndRunningLastTime == 0bv32) && ~bvule32(1bv32, systemActive)) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2022-01-10 18:13:58,063 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...