/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_spec3_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 18:16:03,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 18:16:03,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 18:16:03,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 18:16:03,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 18:16:03,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 18:16:03,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 18:16:03,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 18:16:03,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 18:16:03,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 18:16:03,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 18:16:03,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 18:16:03,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 18:16:03,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 18:16:03,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 18:16:03,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 18:16:03,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 18:16:03,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 18:16:03,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 18:16:03,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 18:16:03,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 18:16:03,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 18:16:03,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 18:16:03,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 18:16:03,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 18:16:03,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 18:16:03,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 18:16:03,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 18:16:03,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 18:16:03,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 18:16:03,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 18:16:03,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 18:16:03,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 18:16:03,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 18:16:03,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 18:16:03,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 18:16:03,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 18:16:03,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 18:16:03,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 18:16:03,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 18:16:03,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 18:16:03,909 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 18:16:03,941 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 18:16:03,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 18:16:03,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 18:16:03,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 18:16:03,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 18:16:03,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 18:16:03,943 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 18:16:03,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 18:16:03,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 18:16:03,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 18:16:03,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 18:16:03,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 18:16:03,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 18:16:03,944 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 18:16:03,944 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 18:16:03,945 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 18:16:03,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 18:16:03,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 18:16:03,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 18:16:03,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 18:16:03,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 18:16:03,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 18:16:03,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 18:16:03,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 18:16:03,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 18:16:03,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 18:16:03,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 18:16:03,946 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 18:16:03,946 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 18:16:03,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 18:16:03,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 18:16:03,947 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 18:16:03,947 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 18:16:03,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 18:16:04,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 18:16:04,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 18:16:04,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 18:16:04,193 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 18:16:04,195 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 18:16:04,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c [2022-01-10 18:16:04,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2e2d6e6/a6c222f1dbb84609993614712fe1012d/FLAGd9ee6f39e [2022-01-10 18:16:04,663 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 18:16:04,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c [2022-01-10 18:16:04,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2e2d6e6/a6c222f1dbb84609993614712fe1012d/FLAGd9ee6f39e [2022-01-10 18:16:04,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2e2d6e6/a6c222f1dbb84609993614712fe1012d [2022-01-10 18:16:04,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 18:16:04,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 18:16:05,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 18:16:05,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 18:16:05,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 18:16:05,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:16:04" (1/1) ... [2022-01-10 18:16:05,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32918665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:16:05, skipping insertion in model container [2022-01-10 18:16:05,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:16:04" (1/1) ... [2022-01-10 18:16:05,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 18:16:05,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 18:16:05,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c[19022,19035] [2022-01-10 18:16:05,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 18:16:05,446 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 18:16:05,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 18:16:05,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c[19022,19035] [2022-01-10 18:16:05,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 18:16:05,544 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 18:16:05,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c[19022,19035] [2022-01-10 18:16:05,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 18:16:05,638 INFO L208 MainTranslator]: Completed translation [2022-01-10 18:16:05,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:16:05 WrapperNode [2022-01-10 18:16:05,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 18:16:05,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 18:16:05,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 18:16:05,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 18:16:05,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:16:05" (1/1) ... [2022-01-10 18:16:05,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:16:05" (1/1) ... [2022-01-10 18:16:05,722 INFO L137 Inliner]: procedures = 61, calls = 164, calls flagged for inlining = 61, calls inlined = 179, statements flattened = 1296 [2022-01-10 18:16:05,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 18:16:05,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 18:16:05,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 18:16:05,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 18:16:05,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:16:05" (1/1) ... [2022-01-10 18:16:05,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:16:05" (1/1) ... [2022-01-10 18:16:05,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:16:05" (1/1) ... [2022-01-10 18:16:05,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:16:05" (1/1) ... [2022-01-10 18:16:05,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:16:05" (1/1) ... [2022-01-10 18:16:05,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:16:05" (1/1) ... [2022-01-10 18:16:05,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:16:05" (1/1) ... [2022-01-10 18:16:05,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 18:16:05,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 18:16:05,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 18:16:05,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 18:16:05,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:16:05" (1/1) ... [2022-01-10 18:16:05,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 18:16:05,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 18:16:05,823 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 18:16:05,849 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 18:16:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 18:16:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 18:16:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 18:16:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 18:16:05,960 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 18:16:05,962 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 18:16:06,603 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 18:16:06,612 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 18:16:06,613 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 18:16:06,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:16:06 BoogieIcfgContainer [2022-01-10 18:16:06,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 18:16:06,616 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 18:16:06,616 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 18:16:06,617 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 18:16:06,619 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:16:06" (1/1) ... [2022-01-10 18:16:06,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 06:16:06 BasicIcfg [2022-01-10 18:16:06,915 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 18:16:06,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 18:16:06,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 18:16:06,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 18:16:06,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:16:04" (1/4) ... [2022-01-10 18:16:06,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6484b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:16:06, skipping insertion in model container [2022-01-10 18:16:06,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:16:05" (2/4) ... [2022-01-10 18:16:06,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6484b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:16:06, skipping insertion in model container [2022-01-10 18:16:06,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:16:06" (3/4) ... [2022-01-10 18:16:06,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6484b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:16:06, skipping insertion in model container [2022-01-10 18:16:06,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 06:16:06" (4/4) ... [2022-01-10 18:16:06,922 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64.cil.cTransformedIcfg [2022-01-10 18:16:06,926 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 18:16:06,926 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-10 18:16:06,985 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 18:16:06,994 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 18:16:06,994 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-10 18:16:07,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 332 states, 328 states have (on average 1.3628048780487805) internal successors, (447), 331 states have internal predecessors, (447), 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 18:16:07,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-10 18:16:07,024 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:16:07,024 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 18:16:07,025 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 18:16:07,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:16:07,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1725299031, now seen corresponding path program 1 times [2022-01-10 18:16:07,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:16:07,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935971487] [2022-01-10 18:16:07,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:16:07,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:16:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:16:07,201 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 18:16:07,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:16:07,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935971487] [2022-01-10 18:16:07,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935971487] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:16:07,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:16:07,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 18:16:07,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294915379] [2022-01-10 18:16:07,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:16:07,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 18:16:07,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:16:07,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 18:16:07,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 18:16:07,241 INFO L87 Difference]: Start difference. First operand has 332 states, 328 states have (on average 1.3628048780487805) internal successors, (447), 331 states have internal predecessors, (447), 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 18:16:07,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:16:07,299 INFO L93 Difference]: Finished difference Result 654 states and 883 transitions. [2022-01-10 18:16:07,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 18:16:07,301 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 18:16:07,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:16:07,310 INFO L225 Difference]: With dead ends: 654 [2022-01-10 18:16:07,310 INFO L226 Difference]: Without dead ends: 322 [2022-01-10 18:16:07,314 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 18:16:07,317 INFO L933 BasicCegarLoop]: 437 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, 437 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 18:16:07,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:16:07,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-01-10 18:16:07,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2022-01-10 18:16:07,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 319 states have (on average 1.3448275862068966) internal successors, (429), 321 states have internal predecessors, (429), 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 18:16:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 429 transitions. [2022-01-10 18:16:07,365 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 429 transitions. Word has length 19 [2022-01-10 18:16:07,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:16:07,365 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 429 transitions. [2022-01-10 18:16:07,365 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 18:16:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 429 transitions. [2022-01-10 18:16:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 18:16:07,367 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:16:07,367 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 18:16:07,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 18:16:07,368 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 18:16:07,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:16:07,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1886668573, now seen corresponding path program 1 times [2022-01-10 18:16:07,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:16:07,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709823639] [2022-01-10 18:16:07,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:16:07,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:16:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:16:07,475 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 18:16:07,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:16:07,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709823639] [2022-01-10 18:16:07,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709823639] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:16:07,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:16:07,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 18:16:07,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505682390] [2022-01-10 18:16:07,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:16:07,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:16:07,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:16:07,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:16:07,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:16:07,478 INFO L87 Difference]: Start difference. First operand 322 states and 429 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 18:16:07,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:16:07,547 INFO L93 Difference]: Finished difference Result 704 states and 941 transitions. [2022-01-10 18:16:07,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:16:07,552 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 18:16:07,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:16:07,555 INFO L225 Difference]: With dead ends: 704 [2022-01-10 18:16:07,555 INFO L226 Difference]: Without dead ends: 389 [2022-01-10 18:16:07,556 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 18:16:07,557 INFO L933 BasicCegarLoop]: 439 mSDtfsCounter, 412 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:16:07,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [412 Valid, 522 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:16:07,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-01-10 18:16:07,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 380. [2022-01-10 18:16:07,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 377 states have (on average 1.3501326259946949) internal successors, (509), 379 states have internal predecessors, (509), 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 18:16:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 509 transitions. [2022-01-10 18:16:07,601 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 509 transitions. Word has length 20 [2022-01-10 18:16:07,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:16:07,602 INFO L470 AbstractCegarLoop]: Abstraction has 380 states and 509 transitions. [2022-01-10 18:16:07,603 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 18:16:07,605 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 509 transitions. [2022-01-10 18:16:07,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 18:16:07,609 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:16:07,609 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:16:07,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 18:16:07,610 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 18:16:07,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:16:07,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1698698793, now seen corresponding path program 1 times [2022-01-10 18:16:07,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:16:07,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402192590] [2022-01-10 18:16:07,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:16:07,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:16:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:16:07,699 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 18:16:07,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:16:07,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402192590] [2022-01-10 18:16:07,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402192590] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:16:07,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:16:07,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 18:16:07,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636365784] [2022-01-10 18:16:07,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:16:07,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:16:07,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:16:07,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:16:07,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:16:07,702 INFO L87 Difference]: Start difference. First operand 380 states and 509 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 18:16:07,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:16:07,843 INFO L93 Difference]: Finished difference Result 768 states and 1022 transitions. [2022-01-10 18:16:07,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:16:07,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 26 [2022-01-10 18:16:07,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:16:07,845 INFO L225 Difference]: With dead ends: 768 [2022-01-10 18:16:07,845 INFO L226 Difference]: Without dead ends: 395 [2022-01-10 18:16:07,849 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 18:16:07,850 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 236 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 18:16:07,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 455 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 18:16:07,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2022-01-10 18:16:07,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 389. [2022-01-10 18:16:07,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 386 states have (on average 1.2901554404145077) internal successors, (498), 388 states have internal predecessors, (498), 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 18:16:07,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 498 transitions. [2022-01-10 18:16:07,879 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 498 transitions. Word has length 26 [2022-01-10 18:16:07,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:16:07,879 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 498 transitions. [2022-01-10 18:16:07,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 18:16:07,879 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 498 transitions. [2022-01-10 18:16:07,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-10 18:16:07,880 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:16:07,880 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:16:07,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 18:16:07,881 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:16:07,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:16:07,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1712653779, now seen corresponding path program 1 times [2022-01-10 18:16:07,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:16:07,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93756799] [2022-01-10 18:16:07,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:16:07,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:16:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:16:08,015 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 18:16:08,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:16:08,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93756799] [2022-01-10 18:16:08,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93756799] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:16:08,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:16:08,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 18:16:08,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221699637] [2022-01-10 18:16:08,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:16:08,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 18:16:08,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:16:08,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 18:16:08,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 18:16:08,018 INFO L87 Difference]: Start difference. First operand 389 states and 498 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 18:16:08,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:16:08,364 INFO L93 Difference]: Finished difference Result 2236 states and 2864 transitions. [2022-01-10 18:16:08,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 18:16:08,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 30 [2022-01-10 18:16:08,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:16:08,370 INFO L225 Difference]: With dead ends: 2236 [2022-01-10 18:16:08,370 INFO L226 Difference]: Without dead ends: 1257 [2022-01-10 18:16:08,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-10 18:16:08,383 INFO L933 BasicCegarLoop]: 582 mSDtfsCounter, 1628 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1628 SdHoareTripleChecker+Valid, 2021 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 18:16:08,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1628 Valid, 2021 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 18:16:08,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2022-01-10 18:16:08,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 533. [2022-01-10 18:16:08,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 530 states have (on average 1.2811320754716982) internal successors, (679), 532 states have internal predecessors, (679), 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 18:16:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 679 transitions. [2022-01-10 18:16:08,423 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 679 transitions. Word has length 30 [2022-01-10 18:16:08,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:16:08,423 INFO L470 AbstractCegarLoop]: Abstraction has 533 states and 679 transitions. [2022-01-10 18:16:08,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 18:16:08,423 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 679 transitions. [2022-01-10 18:16:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 18:16:08,425 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:16:08,426 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:16:08,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 18:16:08,426 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:16:08,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:16:08,429 INFO L85 PathProgramCache]: Analyzing trace with hash -427508179, now seen corresponding path program 1 times [2022-01-10 18:16:08,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:16:08,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623930579] [2022-01-10 18:16:08,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:16:08,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:16:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 18:16:08,487 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 18:16:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 18:16:08,569 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 18:16:08,570 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 18:16:08,571 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-10 18:16:08,572 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-10 18:16:08,573 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-10 18:16:08,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 18:16:08,576 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 18:16:08,579 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 18:16:08,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:16:08 BasicIcfg [2022-01-10 18:16:08,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 18:16:08,669 INFO L158 Benchmark]: Toolchain (without parser) took 3669.71ms. Allocated memory was 183.5MB in the beginning and 278.9MB in the end (delta: 95.4MB). Free memory was 124.6MB in the beginning and 153.2MB in the end (delta: -28.6MB). Peak memory consumption was 68.3MB. Max. memory is 8.0GB. [2022-01-10 18:16:08,669 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 18:16:08,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.23ms. Allocated memory was 183.5MB in the beginning and 278.9MB in the end (delta: 95.4MB). Free memory was 124.3MB in the beginning and 234.6MB in the end (delta: -110.3MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. [2022-01-10 18:16:08,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.49ms. Allocated memory is still 278.9MB. Free memory was 234.6MB in the beginning and 229.4MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 18:16:08,670 INFO L158 Benchmark]: Boogie Preprocessor took 63.87ms. Allocated memory is still 278.9MB. Free memory was 229.4MB in the beginning and 225.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 18:16:08,672 INFO L158 Benchmark]: RCFGBuilder took 826.52ms. Allocated memory is still 278.9MB. Free memory was 225.2MB in the beginning and 187.0MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-01-10 18:16:08,672 INFO L158 Benchmark]: IcfgTransformer took 299.41ms. Allocated memory is still 278.9MB. Free memory was 187.0MB in the beginning and 170.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 18:16:08,672 INFO L158 Benchmark]: TraceAbstraction took 1751.49ms. Allocated memory is still 278.9MB. Free memory was 170.2MB in the beginning and 153.2MB in the end (delta: 17.0MB). Peak memory consumption was 18.6MB. Max. memory is 8.0GB. [2022-01-10 18:16:08,674 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 183.5MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 638.23ms. Allocated memory was 183.5MB in the beginning and 278.9MB in the end (delta: 95.4MB). Free memory was 124.3MB in the beginning and 234.6MB in the end (delta: -110.3MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 83.49ms. Allocated memory is still 278.9MB. Free memory was 234.6MB in the beginning and 229.4MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.87ms. Allocated memory is still 278.9MB. Free memory was 229.4MB in the beginning and 225.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 826.52ms. Allocated memory is still 278.9MB. Free memory was 225.2MB in the beginning and 187.0MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * IcfgTransformer took 299.41ms. Allocated memory is still 278.9MB. Free memory was 187.0MB in the beginning and 170.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1751.49ms. Allocated memory is still 278.9MB. Free memory was 170.2MB in the beginning and 153.2MB in the end (delta: 17.0MB). Peak memory consumption was 18.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1006]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L100] int pumpRunning = 0; [L101] int systemActive = 1; [L437] int waterLevel = 1; [L438] int methaneLevelCritical = 0; [L709] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L906] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L979] int retValue_acc ; [L980] int tmp ; [L984] FCALL select_helpers() [L985] FCALL select_features() [L986] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=-1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L986] RET, EXPR valid_product() [L986] tmp = valid_product() [L988] COND TRUE \read(tmp) [L990] FCALL setup() [L991] CALL runTest() [L973] CALL test() [L368] int splverifierCounter ; [L369] int tmp ; [L370] int tmp___0 ; [L371] int tmp___1 ; [L372] int tmp___2 ; [L375] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L377] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L379] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L385] tmp = __VERIFIER_nondet_int() [L387] COND TRUE \read(tmp) [L389] CALL waterRise() [L455] COND TRUE waterLevel < 2 [L456] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L389] RET waterRise() [L395] tmp___0 = __VERIFIER_nondet_int() [L397] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L405] tmp___2 = __VERIFIER_nondet_int() [L407] COND FALSE !(\read(tmp___2)) [L413] tmp___1 = __VERIFIER_nondet_int() [L415] COND TRUE \read(tmp___1) [L417] CALL stopSystem() [L344] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L351] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L417] RET stopSystem() [L424] CALL timeShift() [L108] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L115] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L123] CALL __utac_acc__Specification3_spec__1() [L1012] int tmp ; [L1013] int tmp___0 ; [L1014] int tmp___1 ; [L1018] CALL, EXPR isMethaneLevelCritical() [L476] int retValue_acc ; [L479] retValue_acc = methaneLevelCritical [L480] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L1018] RET, EXPR isMethaneLevelCritical() [L1018] tmp = isMethaneLevelCritical() [L1020] COND FALSE !(\read(tmp)) [L1024] CALL, EXPR getWaterLevel() [L508] int retValue_acc ; [L511] retValue_acc = waterLevel [L512] return (retValue_acc); VAL [\result=-2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L1024] RET, EXPR getWaterLevel() [L1024] tmp___0 = getWaterLevel() [L1026] COND TRUE tmp___0 == 2 [L1028] CALL, EXPR isPumpRunning() [L258] int retValue_acc ; [L261] retValue_acc = pumpRunning [L262] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L1028] RET, EXPR isPumpRunning() [L1028] tmp___1 = isPumpRunning() [L1030] COND FALSE !(\read(tmp___1)) [L1034] CALL __automaton_fail() [L1006] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - UnprovableResult [Line: 1006]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1006]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 332 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2276 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2276 mSDsluCounter, 3435 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1663 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 251 IncrementalHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 1772 mSDtfsCounter, 251 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=533occurred in iteration=4, InterpolantAutomatonStates: 15, 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, 4 MinimizatonAttempts, 739 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-01-10 18:16:08,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...