./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:58:51,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:58:51,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:58:51,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:58:51,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:58:51,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:58:51,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:58:51,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:58:51,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:58:51,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:58:51,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:58:51,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:58:51,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:58:51,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:58:51,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:58:51,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:58:51,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:58:51,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:58:51,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:58:51,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:58:51,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:58:51,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:58:51,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:58:51,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:58:51,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:58:51,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:58:51,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:58:51,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:58:51,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:58:51,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:58:51,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:58:51,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:58:51,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:58:51,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:58:51,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:58:51,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:58:51,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:58:51,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:58:51,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:58:51,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:58:51,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:58:51,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:58:51,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:58:51,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:58:51,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:58:51,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:58:51,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:58:51,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:58:51,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:58:51,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:58:51,769 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:58:51,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:58:51,771 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:58:51,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:58:51,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:58:51,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:58:51,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:58:51,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:58:51,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:58:51,772 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:58:51,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:58:51,772 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:58:51,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:58:51,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:58:51,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:58:51,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:58:51,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:58:51,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:58:51,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:58:51,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:58:51,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:58:51,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:58:51,774 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:58:51,774 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:58:51,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:58:51,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:58:51,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 [2021-12-16 00:58:51,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:58:52,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:58:52,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:58:52,024 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:58:52,025 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:58:52,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2021-12-16 00:58:52,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/580f3a390/ab4b774e8ac643729f38bae1b905d7f4/FLAG7bea9c69d [2021-12-16 00:58:52,509 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:58:52,511 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2021-12-16 00:58:52,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/580f3a390/ab4b774e8ac643729f38bae1b905d7f4/FLAG7bea9c69d [2021-12-16 00:58:52,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/580f3a390/ab4b774e8ac643729f38bae1b905d7f4 [2021-12-16 00:58:52,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:58:52,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:58:52,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:58:52,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:58:52,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:58:52,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:58:52" (1/1) ... [2021-12-16 00:58:52,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ef1b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:52, skipping insertion in model container [2021-12-16 00:58:52,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:58:52" (1/1) ... [2021-12-16 00:58:52,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:58:52,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:58:52,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14638,14651] [2021-12-16 00:58:52,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:58:52,871 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:58:52,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14638,14651] [2021-12-16 00:58:52,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:58:52,944 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:58:52,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:52 WrapperNode [2021-12-16 00:58:52,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:58:52,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:58:52,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:58:52,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:58:52,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:52" (1/1) ... [2021-12-16 00:58:52,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:52" (1/1) ... [2021-12-16 00:58:53,013 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 21, calls inlined = 16, statements flattened = 195 [2021-12-16 00:58:53,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:58:53,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:58:53,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:58:53,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:58:53,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:52" (1/1) ... [2021-12-16 00:58:53,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:52" (1/1) ... [2021-12-16 00:58:53,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:52" (1/1) ... [2021-12-16 00:58:53,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:52" (1/1) ... [2021-12-16 00:58:53,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:52" (1/1) ... [2021-12-16 00:58:53,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:52" (1/1) ... [2021-12-16 00:58:53,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:52" (1/1) ... [2021-12-16 00:58:53,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:58:53,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:58:53,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:58:53,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:58:53,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:52" (1/1) ... [2021-12-16 00:58:53,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:58:53,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:58:53,093 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) [2021-12-16 00:58:53,099 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 [2021-12-16 00:58:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:58:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:58:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:58:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:58:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:58:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:58:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:58:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:58:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:58:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:58:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:58:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:58:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:58:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:58:53,206 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:58:53,208 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:58:53,446 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:58:53,455 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:58:53,457 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:58:53,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:53 BoogieIcfgContainer [2021-12-16 00:58:53,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:58:53,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:58:53,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:58:53,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:58:53,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:58:52" (1/3) ... [2021-12-16 00:58:53,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2046d46f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:58:53, skipping insertion in model container [2021-12-16 00:58:53,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:52" (2/3) ... [2021-12-16 00:58:53,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2046d46f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:58:53, skipping insertion in model container [2021-12-16 00:58:53,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:53" (3/3) ... [2021-12-16 00:58:53,465 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2021-12-16 00:58:53,468 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:58:53,469 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:58:53,506 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:58:53,512 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 [2021-12-16 00:58:53,512 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:58:53,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-16 00:58:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-16 00:58:53,530 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:53,531 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] [2021-12-16 00:58:53,532 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:53,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:53,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1618223231, now seen corresponding path program 1 times [2021-12-16 00:58:53,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:53,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001102322] [2021-12-16 00:58:53,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:53,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:53,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:58:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:53,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:53,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:53,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001102322] [2021-12-16 00:58:53,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001102322] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:53,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:53,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:58:53,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12430959] [2021-12-16 00:58:53,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:53,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:58:53,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:53,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:58:53,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:58:53,766 INFO L87 Difference]: Start difference. First operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:53,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:53,784 INFO L93 Difference]: Finished difference Result 127 states and 172 transitions. [2021-12-16 00:58:53,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:58:53,786 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-16 00:58:53,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:53,791 INFO L225 Difference]: With dead ends: 127 [2021-12-16 00:58:53,791 INFO L226 Difference]: Without dead ends: 59 [2021-12-16 00:58:53,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:58:53,795 INFO L933 BasicCegarLoop]: 83 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, 83 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 [2021-12-16 00:58:53,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:53,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-12-16 00:58:53,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-12-16 00:58:53,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.297872340425532) internal successors, (61), 50 states have internal predecessors, (61), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-16 00:58:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2021-12-16 00:58:53,832 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 25 [2021-12-16 00:58:53,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:53,832 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2021-12-16 00:58:53,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2021-12-16 00:58:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-16 00:58:53,834 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:53,834 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] [2021-12-16 00:58:53,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:58:53,834 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:53,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:53,834 INFO L85 PathProgramCache]: Analyzing trace with hash -915486216, now seen corresponding path program 1 times [2021-12-16 00:58:53,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:53,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97579941] [2021-12-16 00:58:53,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:53,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:53,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 00:58:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:53,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:53,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:53,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97579941] [2021-12-16 00:58:53,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97579941] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:53,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:53,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:58:53,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725196729] [2021-12-16 00:58:53,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:53,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:58:53,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:53,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:58:53,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:58:53,901 INFO L87 Difference]: Start difference. First operand 59 states and 74 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:53,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:53,917 INFO L93 Difference]: Finished difference Result 79 states and 98 transitions. [2021-12-16 00:58:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:58:53,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-16 00:58:53,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:53,921 INFO L225 Difference]: With dead ends: 79 [2021-12-16 00:58:53,921 INFO L226 Difference]: Without dead ends: 50 [2021-12-16 00:58:53,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:58:53,923 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:53,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:53,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-12-16 00:58:53,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-12-16 00:58:53,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 44 states have internal predecessors, (54), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-16 00:58:53,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2021-12-16 00:58:53,928 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 26 [2021-12-16 00:58:53,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:53,928 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2021-12-16 00:58:53,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:53,928 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2021-12-16 00:58:53,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-16 00:58:53,929 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:53,929 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] [2021-12-16 00:58:53,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:58:53,929 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:53,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:53,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1945528758, now seen corresponding path program 1 times [2021-12-16 00:58:53,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:53,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216542117] [2021-12-16 00:58:53,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:53,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:54,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:58:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:54,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:54,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:54,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216542117] [2021-12-16 00:58:54,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216542117] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:54,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:54,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:58:54,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869149415] [2021-12-16 00:58:54,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:54,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:58:54,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:54,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:58:54,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:58:54,010 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:54,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:54,027 INFO L93 Difference]: Finished difference Result 133 states and 170 transitions. [2021-12-16 00:58:54,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:58:54,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-12-16 00:58:54,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:54,029 INFO L225 Difference]: With dead ends: 133 [2021-12-16 00:58:54,029 INFO L226 Difference]: Without dead ends: 91 [2021-12-16 00:58:54,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:58:54,032 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 41 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:54,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 116 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:54,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-12-16 00:58:54,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2021-12-16 00:58:54,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 74 states have internal predecessors, (93), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-16 00:58:54,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 109 transitions. [2021-12-16 00:58:54,050 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 109 transitions. Word has length 30 [2021-12-16 00:58:54,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:54,050 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 109 transitions. [2021-12-16 00:58:54,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:54,051 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2021-12-16 00:58:54,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-16 00:58:54,052 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:54,052 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] [2021-12-16 00:58:54,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:58:54,052 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:54,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:54,053 INFO L85 PathProgramCache]: Analyzing trace with hash -290200365, now seen corresponding path program 1 times [2021-12-16 00:58:54,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:54,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368773106] [2021-12-16 00:58:54,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:54,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:54,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:58:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:54,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:54,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:54,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368773106] [2021-12-16 00:58:54,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368773106] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:54,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:54,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:58:54,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643858548] [2021-12-16 00:58:54,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:54,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:58:54,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:54,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:58:54,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:58:54,132 INFO L87 Difference]: Start difference. First operand 86 states and 109 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:54,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:54,205 INFO L93 Difference]: Finished difference Result 240 states and 312 transitions. [2021-12-16 00:58:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 00:58:54,205 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-16 00:58:54,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:54,208 INFO L225 Difference]: With dead ends: 240 [2021-12-16 00:58:54,208 INFO L226 Difference]: Without dead ends: 162 [2021-12-16 00:58:54,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:58:54,210 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 34 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:54,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 286 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:54,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-12-16 00:58:54,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2021-12-16 00:58:54,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 123 states have (on average 1.3252032520325203) internal successors, (163), 132 states have internal predecessors, (163), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2021-12-16 00:58:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 197 transitions. [2021-12-16 00:58:54,231 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 197 transitions. Word has length 31 [2021-12-16 00:58:54,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:54,231 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 197 transitions. [2021-12-16 00:58:54,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:54,231 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 197 transitions. [2021-12-16 00:58:54,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-16 00:58:54,232 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:54,232 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] [2021-12-16 00:58:54,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:58:54,232 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:54,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:54,233 INFO L85 PathProgramCache]: Analyzing trace with hash 55816407, now seen corresponding path program 1 times [2021-12-16 00:58:54,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:54,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301416781] [2021-12-16 00:58:54,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:54,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:54,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:58:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:54,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:58:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:54,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:54,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:54,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301416781] [2021-12-16 00:58:54,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301416781] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:54,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:54,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:58:54,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428949290] [2021-12-16 00:58:54,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:54,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:58:54,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:54,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:58:54,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:58:54,340 INFO L87 Difference]: Start difference. First operand 156 states and 197 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 00:58:54,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:54,425 INFO L93 Difference]: Finished difference Result 296 states and 377 transitions. [2021-12-16 00:58:54,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 00:58:54,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2021-12-16 00:58:54,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:54,425 INFO L225 Difference]: With dead ends: 296 [2021-12-16 00:58:54,425 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:58:54,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:58:54,427 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 47 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:54,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 134 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:54,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:58:54,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:58:54,429 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) [2021-12-16 00:58:54,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:58:54,429 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2021-12-16 00:58:54,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:54,429 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:58:54,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 00:58:54,429 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:58:54,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:58:54,431 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:58:54,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:58:54,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:58:54,665 INFO L858 garLoopResultBuilder]: For program point L753-1(lines 749 760) no Hoare annotation was computed. [2021-12-16 00:58:54,665 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 749 760) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) [2021-12-16 00:58:54,665 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 749 760) no Hoare annotation was computed. [2021-12-16 00:58:54,665 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 804 833) no Hoare annotation was computed. [2021-12-16 00:58:54,665 INFO L861 garLoopResultBuilder]: At program point L829(lines 804 833) the Hoare annotation is: true [2021-12-16 00:58:54,665 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 804 833) the Hoare annotation is: true [2021-12-16 00:58:54,665 INFO L858 garLoopResultBuilder]: For program point L825(line 825) no Hoare annotation was computed. [2021-12-16 00:58:54,666 INFO L858 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2021-12-16 00:58:54,666 INFO L861 garLoopResultBuilder]: At program point L818-1(lines 818 822) the Hoare annotation is: true [2021-12-16 00:58:54,666 INFO L858 garLoopResultBuilder]: For program point L815(line 815) no Hoare annotation was computed. [2021-12-16 00:58:54,666 INFO L861 garLoopResultBuilder]: At program point L814-2(lines 814 828) the Hoare annotation is: true [2021-12-16 00:58:54,666 INFO L861 garLoopResultBuilder]: At program point L810(line 810) the Hoare annotation is: true [2021-12-16 00:58:54,666 INFO L858 garLoopResultBuilder]: For program point L810-1(line 810) no Hoare annotation was computed. [2021-12-16 00:58:54,666 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 761 769) the Hoare annotation is: true [2021-12-16 00:58:54,666 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 761 769) no Hoare annotation was computed. [2021-12-16 00:58:54,666 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 761 769) no Hoare annotation was computed. [2021-12-16 00:58:54,666 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 714) no Hoare annotation was computed. [2021-12-16 00:58:54,667 INFO L858 garLoopResultBuilder]: For program point L700(lines 700 717) no Hoare annotation was computed. [2021-12-16 00:58:54,667 INFO L854 garLoopResultBuilder]: At program point L700-1(lines 692 720) the Hoare annotation is: (or (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| 0) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2021-12-16 00:58:54,667 INFO L861 garLoopResultBuilder]: At program point L698(line 698) the Hoare annotation is: true [2021-12-16 00:58:54,667 INFO L858 garLoopResultBuilder]: For program point L729(lines 729 733) no Hoare annotation was computed. [2021-12-16 00:58:54,667 INFO L858 garLoopResultBuilder]: For program point L698-1(line 698) no Hoare annotation was computed. [2021-12-16 00:58:54,667 INFO L854 garLoopResultBuilder]: At program point L729-2(lines 725 736) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-12-16 00:58:54,667 INFO L858 garLoopResultBuilder]: For program point L471-1(lines 470 489) no Hoare annotation was computed. [2021-12-16 00:58:54,667 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 467 490) no Hoare annotation was computed. [2021-12-16 00:58:54,667 INFO L858 garLoopResultBuilder]: For program point L678(line 678) no Hoare annotation was computed. [2021-12-16 00:58:54,668 INFO L854 garLoopResultBuilder]: At program point L548(lines 543 551) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= |timeShift_isPumpRunning_#res#1| 0)))) [2021-12-16 00:58:54,668 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 711) no Hoare annotation was computed. [2021-12-16 00:58:54,668 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2021-12-16 00:58:54,668 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 467 490) the Hoare annotation is: true [2021-12-16 00:58:54,668 INFO L861 garLoopResultBuilder]: At program point L495(lines 491 497) the Hoare annotation is: true [2021-12-16 00:58:54,668 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 467 490) no Hoare annotation was computed. [2021-12-16 00:58:54,668 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 678) no Hoare annotation was computed. [2021-12-16 00:58:54,668 INFO L854 garLoopResultBuilder]: At program point L679(lines 674 681) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-12-16 00:58:54,668 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 893) no Hoare annotation was computed. [2021-12-16 00:58:54,668 INFO L858 garLoopResultBuilder]: For program point L886-2(lines 886 893) no Hoare annotation was computed. [2021-12-16 00:58:54,669 INFO L858 garLoopResultBuilder]: For program point L618(lines 617 664) no Hoare annotation was computed. [2021-12-16 00:58:54,669 INFO L858 garLoopResultBuilder]: For program point L647(lines 647 660) no Hoare annotation was computed. [2021-12-16 00:58:54,669 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:58:54,669 INFO L854 garLoopResultBuilder]: At program point L639(line 639) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-16 00:58:54,669 INFO L861 garLoopResultBuilder]: At program point L895(lines 876 898) the Hoare annotation is: true [2021-12-16 00:58:54,669 INFO L854 garLoopResultBuilder]: At program point L862(lines 858 864) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:54,669 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:58:54,669 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:58:54,669 INFO L861 garLoopResultBuilder]: At program point L668(lines 607 672) the Hoare annotation is: true [2021-12-16 00:58:54,669 INFO L858 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2021-12-16 00:58:54,669 INFO L858 garLoopResultBuilder]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2021-12-16 00:58:54,670 INFO L854 garLoopResultBuilder]: At program point L689(lines 684 691) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:54,670 INFO L858 garLoopResultBuilder]: For program point L619(lines 619 623) no Hoare annotation was computed. [2021-12-16 00:58:54,670 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:58:54,670 INFO L854 garLoopResultBuilder]: At program point L665(lines 616 666) the Hoare annotation is: false [2021-12-16 00:58:54,670 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:54,670 INFO L854 garLoopResultBuilder]: At program point L529(lines 524 531) the Hoare annotation is: false [2021-12-16 00:58:54,670 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2021-12-16 00:58:54,670 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:54,670 INFO L854 garLoopResultBuilder]: At program point L653-2(lines 647 660) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-16 00:58:54,671 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 643) no Hoare annotation was computed. [2021-12-16 00:58:54,671 INFO L858 garLoopResultBuilder]: For program point L637-1(lines 637 643) no Hoare annotation was computed. [2021-12-16 00:58:54,671 INFO L854 garLoopResultBuilder]: At program point L600(lines 588 602) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-16 00:58:54,671 INFO L854 garLoopResultBuilder]: At program point L662(lines 617 664) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-16 00:58:54,671 INFO L854 garLoopResultBuilder]: At program point L629(line 629) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-16 00:58:54,671 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 598) no Hoare annotation was computed. [2021-12-16 00:58:54,671 INFO L858 garLoopResultBuilder]: For program point L592-2(lines 592 598) no Hoare annotation was computed. [2021-12-16 00:58:54,671 INFO L861 garLoopResultBuilder]: At program point L873(lines 865 875) the Hoare annotation is: true [2021-12-16 00:58:54,671 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:54,671 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 737 748) no Hoare annotation was computed. [2021-12-16 00:58:54,672 INFO L858 garLoopResultBuilder]: For program point L741-1(lines 737 748) no Hoare annotation was computed. [2021-12-16 00:58:54,672 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 737 748) the Hoare annotation is: true [2021-12-16 00:58:54,674 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-16 00:58:54,676 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:58:54,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:58:54 BoogieIcfgContainer [2021-12-16 00:58:54,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:58:54,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:58:54,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:58:54,689 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:58:54,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:53" (3/4) ... [2021-12-16 00:58:54,692 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:58:54,698 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:58:54,698 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:58:54,698 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:58:54,698 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:58:54,698 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:58:54,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2021-12-16 00:58:54,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:58:54,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:58:54,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:58:54,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:58:54,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:58:54,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:58:54,740 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) && (!(pumpRunning == 0) || \result == 0) [2021-12-16 00:58:54,777 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:58:54,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:58:54,777 INFO L158 Benchmark]: Toolchain (without parser) took 2236.97ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 78.1MB in the beginning and 74.2MB in the end (delta: 3.9MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2021-12-16 00:58:54,778 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 107.0MB. Free memory was 64.1MB in the beginning and 64.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:58:54,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.50ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 78.1MB in the beginning and 102.4MB in the end (delta: -24.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 00:58:54,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.17ms. Allocated memory is still 134.2MB. Free memory was 102.4MB in the beginning and 100.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:58:54,779 INFO L158 Benchmark]: Boogie Preprocessor took 29.54ms. Allocated memory is still 134.2MB. Free memory was 100.3MB in the beginning and 98.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:58:54,779 INFO L158 Benchmark]: RCFGBuilder took 414.59ms. Allocated memory is still 134.2MB. Free memory was 98.6MB in the beginning and 84.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-16 00:58:54,779 INFO L158 Benchmark]: TraceAbstraction took 1229.36ms. Allocated memory is still 134.2MB. Free memory was 84.0MB in the beginning and 78.3MB in the end (delta: 5.6MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-12-16 00:58:54,780 INFO L158 Benchmark]: Witness Printer took 87.87ms. Allocated memory is still 134.2MB. Free memory was 78.3MB in the beginning and 74.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-16 00:58:54,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 107.0MB. Free memory was 64.1MB in the beginning and 64.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.50ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 78.1MB in the beginning and 102.4MB in the end (delta: -24.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.17ms. Allocated memory is still 134.2MB. Free memory was 102.4MB in the beginning and 100.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.54ms. Allocated memory is still 134.2MB. Free memory was 100.3MB in the beginning and 98.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.59ms. Allocated memory is still 134.2MB. Free memory was 98.6MB in the beginning and 84.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1229.36ms. Allocated memory is still 134.2MB. Free memory was 84.0MB in the beginning and 78.3MB in the end (delta: 5.6MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Witness Printer took 87.87ms. Allocated memory is still 134.2MB. Free memory was 78.3MB in the beginning and 74.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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: 678]: 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 6 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 720 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 402 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 318 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 174 PreInvPairs, 212 NumberOfFragments, 146 HoareAnnotationTreeSize, 174 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 802 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) && (!(pumpRunning == 0) || \result == 0) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (tmp == 0 || !(pumpRunning == 0)) || !(methaneLevelCritical == 0) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-16 00:58:54,830 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE