./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product46.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_spec1_product46.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 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:58:31,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:58:31,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:58:31,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:58:31,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:58:31,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:58:31,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:58:31,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:58:31,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:58:31,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:58:31,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:58:31,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:58:31,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:58:31,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:58:31,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:58:31,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:58:31,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:58:31,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:58:31,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:58:31,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:58:31,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:58:31,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:58:31,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:58:31,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:58:31,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:58:31,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:58:31,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:58:31,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:58:31,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:58:31,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:58:31,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:58:31,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:58:31,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:58:31,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:58:31,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:58:31,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:58:31,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:58:31,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:58:31,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:58:31,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:58:31,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:58:31,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:58:31,892 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:58:31,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:58:31,893 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:58:31,894 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:58:31,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:58:31,895 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:58:31,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:58:31,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:58:31,896 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:58:31,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:58:31,897 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:58:31,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:58:31,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:58:31,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:58:31,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:58:31,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:58:31,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:58:31,899 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:58:31,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:58:31,899 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:58:31,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:58:31,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:58:31,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:58:31,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:58:31,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:58:31,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:58:31,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:58:31,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:58:31,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:58:31,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:58:31,903 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:58:31,903 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:58:31,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:58:31,904 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:58:31,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de [2021-12-16 00:58:32,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:58:32,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:58:32,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:58:32,146 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:58:32,147 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:58:32,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-12-16 00:58:32,216 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/859f5d4ab/2131c76fa7db43aa96b51bb5ebbae667/FLAG181c28838 [2021-12-16 00:58:32,672 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:58:32,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-12-16 00:58:32,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/859f5d4ab/2131c76fa7db43aa96b51bb5ebbae667/FLAG181c28838 [2021-12-16 00:58:33,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/859f5d4ab/2131c76fa7db43aa96b51bb5ebbae667 [2021-12-16 00:58:33,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:58:33,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:58:33,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:58:33,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:58:33,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:58:33,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:58:33" (1/1) ... [2021-12-16 00:58:33,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c989c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:33, skipping insertion in model container [2021-12-16 00:58:33,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:58:33" (1/1) ... [2021-12-16 00:58:33,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:58:33,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:58:33,258 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_spec1_product46.cil.c[7019,7032] [2021-12-16 00:58:33,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:58:33,343 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:58:33,368 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_spec1_product46.cil.c[7019,7032] [2021-12-16 00:58:33,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:58:33,415 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:58:33,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:33 WrapperNode [2021-12-16 00:58:33,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:58:33,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:58:33,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:58:33,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:58:33,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:33" (1/1) ... [2021-12-16 00:58:33,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:33" (1/1) ... [2021-12-16 00:58:33,462 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 241 [2021-12-16 00:58:33,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:58:33,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:58:33,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:58:33,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:58:33,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:33" (1/1) ... [2021-12-16 00:58:33,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:33" (1/1) ... [2021-12-16 00:58:33,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:33" (1/1) ... [2021-12-16 00:58:33,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:33" (1/1) ... [2021-12-16 00:58:33,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:33" (1/1) ... [2021-12-16 00:58:33,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:33" (1/1) ... [2021-12-16 00:58:33,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:33" (1/1) ... [2021-12-16 00:58:33,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:58:33,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:58:33,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:58:33,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:58:33,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:33" (1/1) ... [2021-12-16 00:58:33,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:58:33,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:58:33,528 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 00:58:33,539 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 00:58:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:58:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 00:58:33,562 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 00:58:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:58:33,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:58:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:58:33,562 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:58:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:58:33,562 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:58:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:58:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:58:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:58:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:58:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-16 00:58:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-16 00:58:33,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:58:33,564 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:58:33,564 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:58:33,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:58:33,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:58:33,619 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:58:33,620 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:58:33,900 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:58:33,906 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:58:33,906 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:58:33,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:33 BoogieIcfgContainer [2021-12-16 00:58:33,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:58:33,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:58:33,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:58:33,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:58:33,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:58:33" (1/3) ... [2021-12-16 00:58:33,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b336806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:58:33, skipping insertion in model container [2021-12-16 00:58:33,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:33" (2/3) ... [2021-12-16 00:58:33,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b336806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:58:33, skipping insertion in model container [2021-12-16 00:58:33,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:33" (3/3) ... [2021-12-16 00:58:33,923 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2021-12-16 00:58:33,926 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:58:33,926 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:58:33,962 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:58:33,968 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 00:58:33,969 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:58:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 78 states have internal predecessors, (96), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-16 00:58:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-16 00:58:33,992 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:33,992 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] [2021-12-16 00:58:33,993 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:33,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:34,002 INFO L85 PathProgramCache]: Analyzing trace with hash 460925055, now seen corresponding path program 1 times [2021-12-16 00:58:34,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:34,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225920865] [2021-12-16 00:58:34,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:34,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:34,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:58:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:34,305 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 00:58:34,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:34,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225920865] [2021-12-16 00:58:34,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225920865] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:34,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:34,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:58:34,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554250775] [2021-12-16 00:58:34,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:34,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:58:34,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:34,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:58:34,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:58:34,350 INFO L87 Difference]: Start difference. First operand has 94 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 78 states have internal predecessors, (96), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 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 00:58:34,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:34,401 INFO L93 Difference]: Finished difference Result 180 states and 243 transitions. [2021-12-16 00:58:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:58:34,403 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 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 23 [2021-12-16 00:58:34,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:34,416 INFO L225 Difference]: With dead ends: 180 [2021-12-16 00:58:34,416 INFO L226 Difference]: Without dead ends: 85 [2021-12-16 00:58:34,422 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 00:58:34,426 INFO L933 BasicCegarLoop]: 118 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, 118 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 00:58:34,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:34,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-12-16 00:58:34,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-12-16 00:58:34,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 70 states have internal predecessors, (82), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-16 00:58:34,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2021-12-16 00:58:34,474 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 23 [2021-12-16 00:58:34,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:34,474 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2021-12-16 00:58:34,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 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 00:58:34,475 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2021-12-16 00:58:34,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-16 00:58:34,477 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:34,477 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] [2021-12-16 00:58:34,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:58:34,477 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:34,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:34,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1826997256, now seen corresponding path program 1 times [2021-12-16 00:58:34,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:34,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802363221] [2021-12-16 00:58:34,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:34,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:34,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:58:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:34,576 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 00:58:34,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:34,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802363221] [2021-12-16 00:58:34,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802363221] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:34,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:34,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:58:34,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611767238] [2021-12-16 00:58:34,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:34,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:58:34,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:34,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:58:34,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:58:34,582 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 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 00:58:34,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:34,601 INFO L93 Difference]: Finished difference Result 135 states and 173 transitions. [2021-12-16 00:58:34,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:58:34,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 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 24 [2021-12-16 00:58:34,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:34,608 INFO L225 Difference]: With dead ends: 135 [2021-12-16 00:58:34,608 INFO L226 Difference]: Without dead ends: 76 [2021-12-16 00:58:34,615 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 00:58:34,617 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 13 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 175 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 00:58:34,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 175 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:34,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-12-16 00:58:34,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-12-16 00:58:34,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 64 states have internal predecessors, (75), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-16 00:58:34,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2021-12-16 00:58:34,639 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 24 [2021-12-16 00:58:34,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:34,640 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2021-12-16 00:58:34,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 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 00:58:34,641 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2021-12-16 00:58:34,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-16 00:58:34,643 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:34,643 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] [2021-12-16 00:58:34,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:58:34,643 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:34,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:34,644 INFO L85 PathProgramCache]: Analyzing trace with hash 844834205, now seen corresponding path program 1 times [2021-12-16 00:58:34,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:34,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265351873] [2021-12-16 00:58:34,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:34,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:34,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:58:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:34,726 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 00:58:34,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:34,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265351873] [2021-12-16 00:58:34,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265351873] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:34,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:34,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 00:58:34,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473079692] [2021-12-16 00:58:34,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:34,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 00:58:34,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:34,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 00:58:34,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 00:58:34,731 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:34,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:34,828 INFO L93 Difference]: Finished difference Result 145 states and 188 transitions. [2021-12-16 00:58:34,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 00:58:34,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-12-16 00:58:34,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:34,831 INFO L225 Difference]: With dead ends: 145 [2021-12-16 00:58:34,832 INFO L226 Difference]: Without dead ends: 76 [2021-12-16 00:58:34,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:58:34,834 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 122 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:34,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 238 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:34,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-12-16 00:58:34,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-12-16 00:58:34,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 64 states have internal predecessors, (74), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-16 00:58:34,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 96 transitions. [2021-12-16 00:58:34,850 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 96 transitions. Word has length 29 [2021-12-16 00:58:34,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:34,851 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 96 transitions. [2021-12-16 00:58:34,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:34,851 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2021-12-16 00:58:34,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-16 00:58:34,853 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:34,853 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:58:34,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:58:34,854 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:34,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:34,855 INFO L85 PathProgramCache]: Analyzing trace with hash -589702700, now seen corresponding path program 1 times [2021-12-16 00:58:34,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:34,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509834380] [2021-12-16 00:58:34,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:34,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:34,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:58:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:34,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:58:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:34,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 00:58:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:34,954 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 00:58:34,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:34,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509834380] [2021-12-16 00:58:34,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509834380] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:34,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:34,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 00:58:34,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286345313] [2021-12-16 00:58:34,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:34,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 00:58:34,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:34,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 00:58:34,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 00:58:34,957 INFO L87 Difference]: Start difference. First operand 76 states and 96 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-16 00:58:35,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:35,117 INFO L93 Difference]: Finished difference Result 223 states and 280 transitions. [2021-12-16 00:58:35,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:58:35,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2021-12-16 00:58:35,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:35,119 INFO L225 Difference]: With dead ends: 223 [2021-12-16 00:58:35,119 INFO L226 Difference]: Without dead ends: 154 [2021-12-16 00:58:35,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-16 00:58:35,120 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 169 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:35,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 286 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:58:35,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-12-16 00:58:35,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 148. [2021-12-16 00:58:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 111 states have (on average 1.2432432432432432) internal successors, (138), 119 states have internal predecessors, (138), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2021-12-16 00:58:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 179 transitions. [2021-12-16 00:58:35,144 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 179 transitions. Word has length 39 [2021-12-16 00:58:35,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:35,144 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 179 transitions. [2021-12-16 00:58:35,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-16 00:58:35,145 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 179 transitions. [2021-12-16 00:58:35,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-16 00:58:35,146 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:35,146 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:58:35,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:58:35,150 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:35,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:35,155 INFO L85 PathProgramCache]: Analyzing trace with hash -504032566, now seen corresponding path program 1 times [2021-12-16 00:58:35,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:35,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025286532] [2021-12-16 00:58:35,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:35,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:35,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:58:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 00:58:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:35,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 00:58:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:35,235 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 00:58:35,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:35,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025286532] [2021-12-16 00:58:35,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025286532] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:35,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:35,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:58:35,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904302550] [2021-12-16 00:58:35,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:35,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:58:35,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:35,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:58:35,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:58:35,238 INFO L87 Difference]: Start difference. First operand 148 states and 179 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:58:35,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:35,483 INFO L93 Difference]: Finished difference Result 431 states and 548 transitions. [2021-12-16 00:58:35,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-16 00:58:35,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2021-12-16 00:58:35,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:35,487 INFO L225 Difference]: With dead ends: 431 [2021-12-16 00:58:35,487 INFO L226 Difference]: Without dead ends: 290 [2021-12-16 00:58:35,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-12-16 00:58:35,488 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 204 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:35,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 399 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:58:35,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-12-16 00:58:35,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 242. [2021-12-16 00:58:35,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 183 states have (on average 1.2459016393442623) internal successors, (228), 194 states have internal predecessors, (228), 30 states have call successors, (30), 26 states have call predecessors, (30), 28 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2021-12-16 00:58:35,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 298 transitions. [2021-12-16 00:58:35,512 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 298 transitions. Word has length 45 [2021-12-16 00:58:35,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:35,512 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 298 transitions. [2021-12-16 00:58:35,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:58:35,513 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 298 transitions. [2021-12-16 00:58:35,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-16 00:58:35,514 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:35,514 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:58:35,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:58:35,514 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:35,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:35,515 INFO L85 PathProgramCache]: Analyzing trace with hash -722887284, now seen corresponding path program 1 times [2021-12-16 00:58:35,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:35,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585134714] [2021-12-16 00:58:35,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:35,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:35,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:58:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:35,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 00:58:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:35,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 00:58:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:35,571 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 00:58:35,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:35,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585134714] [2021-12-16 00:58:35,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585134714] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:35,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:35,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:58:35,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705599040] [2021-12-16 00:58:35,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:35,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:58:35,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:35,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:58:35,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:58:35,574 INFO L87 Difference]: Start difference. First operand 242 states and 298 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:58:35,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:35,846 INFO L93 Difference]: Finished difference Result 718 states and 906 transitions. [2021-12-16 00:58:35,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 00:58:35,847 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2021-12-16 00:58:35,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:35,850 INFO L225 Difference]: With dead ends: 718 [2021-12-16 00:58:35,850 INFO L226 Difference]: Without dead ends: 483 [2021-12-16 00:58:35,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-16 00:58:35,852 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 146 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:35,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 419 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:58:35,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2021-12-16 00:58:35,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 463. [2021-12-16 00:58:35,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 346 states have (on average 1.2138728323699421) internal successors, (420), 367 states have internal predecessors, (420), 60 states have call successors, (60), 52 states have call predecessors, (60), 56 states have return successors, (84), 60 states have call predecessors, (84), 60 states have call successors, (84) [2021-12-16 00:58:35,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 564 transitions. [2021-12-16 00:58:35,887 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 564 transitions. Word has length 45 [2021-12-16 00:58:35,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:35,888 INFO L470 AbstractCegarLoop]: Abstraction has 463 states and 564 transitions. [2021-12-16 00:58:35,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:58:35,888 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 564 transitions. [2021-12-16 00:58:35,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-16 00:58:35,890 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:35,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:58:35,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 00:58:35,890 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:35,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:35,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2109538792, now seen corresponding path program 1 times [2021-12-16 00:58:35,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:35,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929754982] [2021-12-16 00:58:35,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:35,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:35,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 00:58:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:35,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 00:58:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 00:58:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:35,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 00:58:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:35,984 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 00:58:35,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:35,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929754982] [2021-12-16 00:58:35,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929754982] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:35,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:35,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:58:35,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264968357] [2021-12-16 00:58:35,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:35,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:58:35,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:35,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:58:35,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:58:35,987 INFO L87 Difference]: Start difference. First operand 463 states and 564 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 00:58:36,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:36,360 INFO L93 Difference]: Finished difference Result 485 states and 590 transitions. [2021-12-16 00:58:36,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-16 00:58:36,360 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 49 [2021-12-16 00:58:36,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:36,363 INFO L225 Difference]: With dead ends: 485 [2021-12-16 00:58:36,364 INFO L226 Difference]: Without dead ends: 483 [2021-12-16 00:58:36,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-12-16 00:58:36,365 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 181 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:36,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 244 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 00:58:36,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2021-12-16 00:58:36,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 463. [2021-12-16 00:58:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 346 states have (on average 1.2052023121387283) internal successors, (417), 367 states have internal predecessors, (417), 60 states have call successors, (60), 52 states have call predecessors, (60), 56 states have return successors, (84), 60 states have call predecessors, (84), 60 states have call successors, (84) [2021-12-16 00:58:36,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 561 transitions. [2021-12-16 00:58:36,394 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 561 transitions. Word has length 49 [2021-12-16 00:58:36,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:36,395 INFO L470 AbstractCegarLoop]: Abstraction has 463 states and 561 transitions. [2021-12-16 00:58:36,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 00:58:36,395 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 561 transitions. [2021-12-16 00:58:36,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-12-16 00:58:36,397 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:36,397 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:58:36,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 00:58:36,398 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:36,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:36,398 INFO L85 PathProgramCache]: Analyzing trace with hash 819889211, now seen corresponding path program 1 times [2021-12-16 00:58:36,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:36,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181305219] [2021-12-16 00:58:36,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:36,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:36,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 00:58:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 00:58:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 00:58:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:36,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 00:58:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:36,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 00:58:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:36,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 00:58:36,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:36,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181305219] [2021-12-16 00:58:36,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181305219] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:36,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:36,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:58:36,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492993241] [2021-12-16 00:58:36,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:36,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:58:36,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:36,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:58:36,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:58:36,477 INFO L87 Difference]: Start difference. First operand 463 states and 561 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-16 00:58:36,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:36,686 INFO L93 Difference]: Finished difference Result 953 states and 1180 transitions. [2021-12-16 00:58:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 00:58:36,688 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2021-12-16 00:58:36,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:36,693 INFO L225 Difference]: With dead ends: 953 [2021-12-16 00:58:36,693 INFO L226 Difference]: Without dead ends: 497 [2021-12-16 00:58:36,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-16 00:58:36,698 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 118 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:36,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 236 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:58:36,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2021-12-16 00:58:36,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 475. [2021-12-16 00:58:36,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 358 states have (on average 1.1983240223463687) internal successors, (429), 379 states have internal predecessors, (429), 60 states have call successors, (60), 52 states have call predecessors, (60), 56 states have return successors, (84), 60 states have call predecessors, (84), 60 states have call successors, (84) [2021-12-16 00:58:36,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 573 transitions. [2021-12-16 00:58:36,754 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 573 transitions. Word has length 59 [2021-12-16 00:58:36,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:36,756 INFO L470 AbstractCegarLoop]: Abstraction has 475 states and 573 transitions. [2021-12-16 00:58:36,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-16 00:58:36,756 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 573 transitions. [2021-12-16 00:58:36,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-12-16 00:58:36,757 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:36,758 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:58:36,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 00:58:36,758 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:36,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:36,759 INFO L85 PathProgramCache]: Analyzing trace with hash 842521465, now seen corresponding path program 1 times [2021-12-16 00:58:36,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:36,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048597147] [2021-12-16 00:58:36,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:36,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:36,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 00:58:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:36,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 00:58:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:36,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 00:58:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 00:58:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 00:58:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:36,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 00:58:36,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:36,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048597147] [2021-12-16 00:58:36,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048597147] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:36,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:36,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:58:36,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598860830] [2021-12-16 00:58:36,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:36,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:58:36,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:36,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:58:36,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:58:36,860 INFO L87 Difference]: Start difference. First operand 475 states and 573 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-16 00:58:37,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:37,022 INFO L93 Difference]: Finished difference Result 857 states and 1044 transitions. [2021-12-16 00:58:37,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:58:37,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2021-12-16 00:58:37,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:37,025 INFO L225 Difference]: With dead ends: 857 [2021-12-16 00:58:37,025 INFO L226 Difference]: Without dead ends: 389 [2021-12-16 00:58:37,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 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 00:58:37,027 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 129 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:37,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 189 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:58:37,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2021-12-16 00:58:37,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 381. [2021-12-16 00:58:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 286 states have (on average 1.1748251748251748) internal successors, (336), 303 states have internal predecessors, (336), 48 states have call successors, (48), 42 states have call predecessors, (48), 46 states have return successors, (61), 48 states have call predecessors, (61), 48 states have call successors, (61) [2021-12-16 00:58:37,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 445 transitions. [2021-12-16 00:58:37,044 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 445 transitions. Word has length 59 [2021-12-16 00:58:37,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:37,044 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 445 transitions. [2021-12-16 00:58:37,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-16 00:58:37,045 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 445 transitions. [2021-12-16 00:58:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-16 00:58:37,046 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:37,046 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:58:37,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 00:58:37,046 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:37,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:37,047 INFO L85 PathProgramCache]: Analyzing trace with hash 2111451217, now seen corresponding path program 1 times [2021-12-16 00:58:37,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:37,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449479434] [2021-12-16 00:58:37,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:37,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 00:58:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:37,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 00:58:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:37,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 00:58:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:37,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 00:58:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:37,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 00:58:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:37,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 00:58:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:37,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 00:58:37,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:37,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449479434] [2021-12-16 00:58:37,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449479434] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 00:58:37,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45649270] [2021-12-16 00:58:37,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:37,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 00:58:37,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:58:37,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 00:58:37,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 00:58:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:37,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-16 00:58:37,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 00:58:37,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:37,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 00:58:37,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45649270] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:37,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 00:58:37,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2021-12-16 00:58:37,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629114798] [2021-12-16 00:58:37,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:37,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 00:58:37,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:37,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 00:58:37,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-12-16 00:58:37,636 INFO L87 Difference]: Start difference. First operand 381 states and 445 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-16 00:58:37,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:37,738 INFO L93 Difference]: Finished difference Result 740 states and 868 transitions. [2021-12-16 00:58:37,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 00:58:37,740 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2021-12-16 00:58:37,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:37,742 INFO L225 Difference]: With dead ends: 740 [2021-12-16 00:58:37,742 INFO L226 Difference]: Without dead ends: 366 [2021-12-16 00:58:37,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-12-16 00:58:37,744 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 61 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:37,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 553 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:58:37,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-12-16 00:58:37,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 364. [2021-12-16 00:58:37,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 273 states have (on average 1.1611721611721613) internal successors, (317), 289 states have internal predecessors, (317), 47 states have call successors, (47), 41 states have call predecessors, (47), 43 states have return successors, (54), 46 states have call predecessors, (54), 47 states have call successors, (54) [2021-12-16 00:58:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 418 transitions. [2021-12-16 00:58:37,760 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 418 transitions. Word has length 63 [2021-12-16 00:58:37,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:37,761 INFO L470 AbstractCegarLoop]: Abstraction has 364 states and 418 transitions. [2021-12-16 00:58:37,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-16 00:58:37,761 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 418 transitions. [2021-12-16 00:58:37,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-16 00:58:37,762 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:37,763 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:58:37,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 00:58:37,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-16 00:58:37,987 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:37,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:37,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1925782386, now seen corresponding path program 1 times [2021-12-16 00:58:37,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:37,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8874433] [2021-12-16 00:58:37,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:37,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:38,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 00:58:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:38,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:58:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:38,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 00:58:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:38,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 00:58:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:38,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 00:58:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:38,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 00:58:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:38,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-16 00:58:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:38,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 00:58:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:38,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 00:58:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:38,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-16 00:58:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:38,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:58:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 00:58:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:38,213 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-16 00:58:38,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:38,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8874433] [2021-12-16 00:58:38,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8874433] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 00:58:38,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787295062] [2021-12-16 00:58:38,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:38,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 00:58:38,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:58:38,215 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 00:58:38,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 00:58:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:38,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-16 00:58:38,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 00:58:38,565 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-16 00:58:38,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 00:58:38,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787295062] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:38,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 00:58:38,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2021-12-16 00:58:38,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433429904] [2021-12-16 00:58:38,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:38,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 00:58:38,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:38,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 00:58:38,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-12-16 00:58:38,567 INFO L87 Difference]: Start difference. First operand 364 states and 418 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-16 00:58:38,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:38,679 INFO L93 Difference]: Finished difference Result 595 states and 688 transitions. [2021-12-16 00:58:38,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 00:58:38,679 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2021-12-16 00:58:38,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:38,680 INFO L225 Difference]: With dead ends: 595 [2021-12-16 00:58:38,680 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:58:38,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2021-12-16 00:58:38,682 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 68 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:38,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 1033 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:58:38,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:58:38,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:58:38,683 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 00:58:38,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:58:38,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2021-12-16 00:58:38,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:38,683 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:58:38,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-16 00:58:38,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:58:38,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:58:38,686 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:58:38,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 00:58:38,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-16 00:58:38,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:58:40,892 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2021-12-16 00:58:40,892 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2021-12-16 00:58:40,893 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 530 541) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 0)) (or .cse0 (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2021-12-16 00:58:40,893 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 530 541) no Hoare annotation was computed. [2021-12-16 00:58:40,893 INFO L858 garLoopResultBuilder]: For program point L534-1(lines 530 541) no Hoare annotation was computed. [2021-12-16 00:58:40,893 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 542 550) the Hoare annotation is: true [2021-12-16 00:58:40,893 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 542 550) no Hoare annotation was computed. [2021-12-16 00:58:40,893 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 542 550) no Hoare annotation was computed. [2021-12-16 00:58:40,893 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 335 364) no Hoare annotation was computed. [2021-12-16 00:58:40,893 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-12-16 00:58:40,893 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 335 364) the Hoare annotation is: true [2021-12-16 00:58:40,893 INFO L861 garLoopResultBuilder]: At program point L349-1(lines 349 353) the Hoare annotation is: true [2021-12-16 00:58:40,893 INFO L858 garLoopResultBuilder]: For program point L346(line 346) no Hoare annotation was computed. [2021-12-16 00:58:40,893 INFO L861 garLoopResultBuilder]: At program point L345-2(lines 345 359) the Hoare annotation is: true [2021-12-16 00:58:40,893 INFO L861 garLoopResultBuilder]: At program point L341(line 341) the Hoare annotation is: true [2021-12-16 00:58:40,894 INFO L858 garLoopResultBuilder]: For program point L341-1(line 341) no Hoare annotation was computed. [2021-12-16 00:58:40,894 INFO L861 garLoopResultBuilder]: At program point L360(lines 335 364) the Hoare annotation is: true [2021-12-16 00:58:40,894 INFO L858 garLoopResultBuilder]: For program point L356(line 356) no Hoare annotation was computed. [2021-12-16 00:58:40,894 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2021-12-16 00:58:40,894 INFO L854 garLoopResultBuilder]: At program point L510-2(lines 506 517) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1) (or .cse0 .cse2 .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (not (= 0 |old(~pumpRunning~0)|)) .cse2)))) [2021-12-16 00:58:40,894 INFO L854 garLoopResultBuilder]: At program point L473(lines 468 475) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2021-12-16 00:58:40,894 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2021-12-16 00:58:40,894 INFO L854 garLoopResultBuilder]: At program point L247(lines 242 249) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1) (or .cse0 .cse1 .cse2) (or .cse0 (and (not (= 0 |old(~pumpRunning~0)|)) (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse2) (not (<= 1 ~methaneLevelCritical~0))))) [2021-12-16 00:58:40,894 INFO L854 garLoopResultBuilder]: At program point L206(line 206) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2021-12-16 00:58:40,894 INFO L854 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1) (or .cse0 .cse2 .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (not (= 0 |old(~pumpRunning~0)|)) .cse2)))) [2021-12-16 00:58:40,894 INFO L858 garLoopResultBuilder]: For program point L198-1(line 198) no Hoare annotation was computed. [2021-12-16 00:58:40,895 INFO L854 garLoopResultBuilder]: At program point L483(line 483) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~systemActive~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= ~waterLevel~0 1)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse1)) (or .cse0 .cse3 .cse4 (and .cse5 .cse1) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse3 .cse5 .cse2 .cse4))) [2021-12-16 00:58:40,895 INFO L858 garLoopResultBuilder]: For program point L483-1(line 483) no Hoare annotation was computed. [2021-12-16 00:58:40,895 INFO L854 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= ~waterLevel~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse3))) [2021-12-16 00:58:40,895 INFO L854 garLoopResultBuilder]: At program point L211-1(lines 192 216) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~systemActive~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= ~waterLevel~0 1)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse1)) (or .cse0 .cse3 .cse4 (and .cse5 .cse1) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse3 .cse5 .cse2 .cse4))) [2021-12-16 00:58:40,895 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 145 151) no Hoare annotation was computed. [2021-12-16 00:58:40,895 INFO L858 garLoopResultBuilder]: For program point L472(line 472) no Hoare annotation was computed. [2021-12-16 00:58:40,895 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 134 157) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse3) (or .cse0 .cse6 .cse5))) [2021-12-16 00:58:40,895 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2021-12-16 00:58:40,895 INFO L854 garLoopResultBuilder]: At program point L266(lines 261 269) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1) .cse1 (not (= |old(~pumpRunning~0)| 0))) (let ((.cse2 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse3 (= ~pumpRunning~0 0))) (or .cse0 (and .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) .cse1 (and .cse2 (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse3))))) [2021-12-16 00:58:40,895 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 137 156) no Hoare annotation was computed. [2021-12-16 00:58:40,896 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 495) no Hoare annotation was computed. [2021-12-16 00:58:40,896 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2021-12-16 00:58:40,896 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 208) no Hoare annotation was computed. [2021-12-16 00:58:40,896 INFO L858 garLoopResultBuilder]: For program point L485(lines 485 498) no Hoare annotation was computed. [2021-12-16 00:58:40,896 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 213) no Hoare annotation was computed. [2021-12-16 00:58:40,896 INFO L854 garLoopResultBuilder]: At program point L485-1(lines 477 501) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~systemActive~0)) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~6#1| 0) .cse1) (or .cse0 .cse2 .cse3 (and .cse4 .cse5) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5) .cse6 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse5)) (or .cse0 .cse2 .cse4 .cse6 .cse3))) [2021-12-16 00:58:40,896 INFO L858 garLoopResultBuilder]: For program point L419-2(lines 419 426) no Hoare annotation was computed. [2021-12-16 00:58:40,896 INFO L854 garLoopResultBuilder]: At program point L448(lines 444 450) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:40,896 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-12-16 00:58:40,896 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2021-12-16 00:58:40,896 INFO L861 garLoopResultBuilder]: At program point L403(lines 396 405) the Hoare annotation is: true [2021-12-16 00:58:40,896 INFO L854 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 1 ~methaneLevelCritical~0) .cse3 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3))) [2021-12-16 00:58:40,896 INFO L854 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 1 ~methaneLevelCritical~0) .cse3 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3))) [2021-12-16 00:58:40,897 INFO L861 garLoopResultBuilder]: At program point L428(lines 409 431) the Hoare annotation is: true [2021-12-16 00:58:40,897 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:58:40,897 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:58:40,897 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:58:40,897 INFO L854 garLoopResultBuilder]: At program point L330(lines 325 332) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~methaneLevelCritical~0) .cse3))) [2021-12-16 00:58:40,897 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2021-12-16 00:58:40,897 INFO L854 garLoopResultBuilder]: At program point L103-2(lines 95 108) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~methaneLevelCritical~0) .cse3))) [2021-12-16 00:58:40,897 INFO L858 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2021-12-16 00:58:40,897 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:58:40,897 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2021-12-16 00:58:40,897 INFO L854 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 1 ~methaneLevelCritical~0) .cse3 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3))) [2021-12-16 00:58:40,897 INFO L861 garLoopResultBuilder]: At program point L116(lines 55 120) the Hoare annotation is: true [2021-12-16 00:58:40,897 INFO L854 garLoopResultBuilder]: At program point L463(lines 458 466) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:40,897 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-12-16 00:58:40,897 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2021-12-16 00:58:40,897 INFO L854 garLoopResultBuilder]: At program point L393(lines 389 395) the Hoare annotation is: (and (= 1 |ULTIMATE.start_main_~tmp~5#1|) (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:40,897 INFO L854 garLoopResultBuilder]: At program point L455(lines 451 457) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:40,897 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-12-16 00:58:40,898 INFO L854 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2021-12-16 00:58:40,898 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2021-12-16 00:58:40,898 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 518 529) no Hoare annotation was computed. [2021-12-16 00:58:40,898 INFO L858 garLoopResultBuilder]: For program point L522-1(lines 518 529) no Hoare annotation was computed. [2021-12-16 00:58:40,898 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 518 529) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= ~waterLevel~0 1)) (.cse3 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~methaneLevelCritical~0))))) [2021-12-16 00:58:40,898 INFO L854 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~4#1| 1) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 1))) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (= 0 ~systemActive~0)) (.cse5 (and (= |processEnvironment__wrappee__methaneQuery_~tmp~1#1| 0) (= ~pumpRunning~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse6) (or .cse0 (= 0 |old(~pumpRunning~0)|) .cse6) (or .cse0 .cse5 .cse6))) [2021-12-16 00:58:40,898 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 182) no Hoare annotation was computed. [2021-12-16 00:58:40,898 INFO L858 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2021-12-16 00:58:40,898 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 187) no Hoare annotation was computed. [2021-12-16 00:58:40,898 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2021-12-16 00:58:40,898 INFO L854 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse0 (= 0 |old(~pumpRunning~0)|) .cse2) (or .cse0 .cse1 .cse4 .cse5))) [2021-12-16 00:58:40,898 INFO L854 garLoopResultBuilder]: At program point L232-2(lines 225 241) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~waterLevel~0 1))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (and (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~3#1|) (= ~pumpRunning~0 0)) .cse3 .cse4) (or .cse0 (= 0 |old(~pumpRunning~0)|) .cse2) (or .cse0 .cse1 .cse3 .cse4))) [2021-12-16 00:58:40,898 INFO L858 garLoopResultBuilder]: For program point L230-1(line 230) no Hoare annotation was computed. [2021-12-16 00:58:40,899 INFO L854 garLoopResultBuilder]: At program point L321(lines 306 324) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~waterLevel~0 1))) (.cse4 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~4#1| 1) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 1) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse5) (or .cse0 (= 0 |old(~pumpRunning~0)|) .cse6) (or .cse0 .cse1 .cse4 .cse6))) [2021-12-16 00:58:40,899 INFO L854 garLoopResultBuilder]: At program point L222(lines 217 224) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (= 0 |old(~pumpRunning~0)|) .cse1))) [2021-12-16 00:58:40,899 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 319) no Hoare annotation was computed. [2021-12-16 00:58:40,899 INFO L858 garLoopResultBuilder]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2021-12-16 00:58:40,899 INFO L854 garLoopResultBuilder]: At program point L185(line 185) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= 0 ~systemActive~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2))) [2021-12-16 00:58:40,899 INFO L858 garLoopResultBuilder]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2021-12-16 00:58:40,899 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 166 190) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0))))) [2021-12-16 00:58:40,899 INFO L854 garLoopResultBuilder]: At program point L592(lines 583 596) the Hoare annotation is: (let ((.cse7 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 1)) (.cse8 (= ~pumpRunning~0 0))) (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) .cse8)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse7 .cse8))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse4 .cse7 .cse2) (or .cse0 (= 0 |old(~pumpRunning~0)|) .cse2) (or .cse0 .cse5 .cse1 .cse6 .cse3)))) [2021-12-16 00:58:40,899 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 166 190) no Hoare annotation was computed. [2021-12-16 00:58:40,899 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 250 260) the Hoare annotation is: true [2021-12-16 00:58:40,899 INFO L861 garLoopResultBuilder]: At program point L255(line 255) the Hoare annotation is: true [2021-12-16 00:58:40,899 INFO L858 garLoopResultBuilder]: For program point L255-1(line 255) no Hoare annotation was computed. [2021-12-16 00:58:40,899 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 250 260) no Hoare annotation was computed. [2021-12-16 00:58:40,900 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 250 260) no Hoare annotation was computed. [2021-12-16 00:58:40,902 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:58:40,903 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:58:40,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:58:40 BoogieIcfgContainer [2021-12-16 00:58:40,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:58:40,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:58:40,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:58:40,943 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:58:40,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:33" (3/4) ... [2021-12-16 00:58:40,946 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:58:40,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 00:58:40,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:58:40,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:58:40,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:58:40,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:58:40,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:58:40,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:58:40,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-16 00:58:40,977 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-12-16 00:58:40,978 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:58:40,978 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:58:40,978 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:58:40,979 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:58:40,979 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:58:40,979 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:58:40,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-16 00:58:40,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && waterLevel == 1) && 1 == \result) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-16 00:58:40,999 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0) || ((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && methaneLevelCritical == 0) && !(0 == systemActive)) [2021-12-16 00:58:41,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((0 == systemActive || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0))) && ((0 == systemActive || !(1 <= methaneLevelCritical)) || (!(0 == \old(pumpRunning)) && pumpRunning == \old(pumpRunning))) [2021-12-16 00:58:41,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (1 <= tmp && pumpRunning == 0)) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || (waterLevel == 1 && pumpRunning == 0)) || !(methaneLevelCritical == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || waterLevel == 1) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) [2021-12-16 00:58:41,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || tmp == 0) || !(methaneLevelCritical == 0)) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || (waterLevel == 1 && pumpRunning == 0)) || !(methaneLevelCritical == 0))) && (((0 == systemActive || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (1 <= tmp && pumpRunning == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || waterLevel == 1) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) [2021-12-16 00:58:41,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && methaneLevelCritical == 0) && !(0 == systemActive)) || ((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= methaneLevelCritical) && !(0 == systemActive)) [2021-12-16 00:58:41,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((0 == systemActive || !(methaneLevelCritical == 0)) || pumpRunning == 0)) && ((0 == systemActive || ((!(0 == \old(pumpRunning)) && 1 <= tmp) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) [2021-12-16 00:58:41,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == systemActive || !(methaneLevelCritical == 0)) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || waterLevel == 1) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || ((\result == 0 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || ((\result == 0 && 1 <= tmp) && pumpRunning == 0)) [2021-12-16 00:58:41,003 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(waterLevel == 1)) || !(methaneLevelCritical == 0)) && (((0 == systemActive || (methaneLevelCritical <= tmp && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0))) && ((0 == systemActive || 0 == \old(pumpRunning)) || !(methaneLevelCritical == 0))) && (((0 == systemActive || !(waterLevel == 1)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) [2021-12-16 00:58:41,003 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) && ((0 == systemActive || !(waterLevel == 1)) || !(methaneLevelCritical == 0))) && ((0 == systemActive || 0 == \old(pumpRunning)) || !(methaneLevelCritical == 0)) [2021-12-16 00:58:41,003 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive || (\result == 0 && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || (\result == 1 && pumpRunning == 0)) && ((((0 == systemActive || !(waterLevel == 1)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || \result == 1)) && (((0 == systemActive || !(waterLevel == 1)) || \result == 1) || !(methaneLevelCritical == 0))) && ((0 == systemActive || 0 == \old(pumpRunning)) || !(methaneLevelCritical == 0))) && ((((0 == systemActive || !(1 <= methaneLevelCritical)) || (\result == 0 && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || (\result == 1 && pumpRunning == 0)) [2021-12-16 00:58:41,003 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == systemActive || !(waterLevel == 1)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || (((tmp == 1 && \result == 1) && tmp___0 == 0) && \result == 0)) && (((0 == systemActive || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0)) && ((0 == systemActive || !(methaneLevelCritical == 0)) || pumpRunning == 0)) && ((0 == systemActive || 0 == \old(pumpRunning)) || !(methaneLevelCritical == 0))) && (((0 == systemActive || !(waterLevel == 1)) || (((tmp == 1 && \result == 1) && tmp___0 == 0) && \result == 0)) || !(methaneLevelCritical == 0)) [2021-12-16 00:58:41,040 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:58:41,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:58:41,041 INFO L158 Benchmark]: Toolchain (without parser) took 8025.60ms. Allocated memory was 77.6MB in the beginning and 136.3MB in the end (delta: 58.7MB). Free memory was 42.6MB in the beginning and 106.5MB in the end (delta: -63.9MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2021-12-16 00:58:41,042 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory was 49.8MB in the beginning and 49.8MB in the end (delta: 23.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:58:41,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.21ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 42.5MB in the beginning and 62.0MB in the end (delta: -19.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-12-16 00:58:41,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.48ms. Allocated memory is still 94.4MB. Free memory was 62.0MB in the beginning and 59.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-16 00:58:41,044 INFO L158 Benchmark]: Boogie Preprocessor took 23.93ms. Allocated memory is still 94.4MB. Free memory was 59.5MB in the beginning and 57.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:58:41,044 INFO L158 Benchmark]: RCFGBuilder took 420.16ms. Allocated memory is still 94.4MB. Free memory was 57.8MB in the beginning and 41.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-16 00:58:41,045 INFO L158 Benchmark]: TraceAbstraction took 7032.69ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 41.1MB in the beginning and 37.0MB in the end (delta: 4.0MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2021-12-16 00:58:41,045 INFO L158 Benchmark]: Witness Printer took 97.31ms. Allocated memory is still 136.3MB. Free memory was 37.0MB in the beginning and 106.5MB in the end (delta: -69.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:58:41,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory was 49.8MB in the beginning and 49.8MB in the end (delta: 23.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.21ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 42.5MB in the beginning and 62.0MB in the end (delta: -19.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.48ms. Allocated memory is still 94.4MB. Free memory was 62.0MB in the beginning and 59.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.93ms. Allocated memory is still 94.4MB. Free memory was 59.5MB in the beginning and 57.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 420.16ms. Allocated memory is still 94.4MB. Free memory was 57.8MB in the beginning and 41.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7032.69ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 41.1MB in the beginning and 37.0MB in the end (delta: 4.0MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Witness Printer took 97.31ms. Allocated memory is still 136.3MB. Free memory was 37.0MB in the beginning and 106.5MB in the end (delta: -69.5MB). Peak memory consumption was 2.1MB. 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: 472]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1245 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1211 mSDsluCounter, 3890 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2650 mSDsCounter, 366 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1507 IncrementalHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 366 mSolverCounterUnsat, 1240 mSDtfsCounter, 1507 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 372 GetRequests, 265 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=475occurred in iteration=8, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 126 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1128 PreInvPairs, 1227 NumberOfFragments, 1382 HoareAnnotationTreeSize, 1128 FomulaSimplifications, 40 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 4412 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 714 NumberOfCodeBlocks, 714 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 701 ConstructedInterpolants, 0 QuantifiedInterpolants, 1273 SizeOfPredicates, 6 NumberOfNonLiveVariables, 872 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 97/102 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: 389]: Loop Invariant Derived loop invariant: ((((1 == tmp && waterLevel == 1) && 1 == \result) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((0 == systemActive || !(methaneLevelCritical == 0)) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || waterLevel == 1) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || ((\result == 0 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || ((\result == 0 && 1 <= tmp) && pumpRunning == 0)) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((0 == systemActive || (\result == 0 && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || (\result == 1 && pumpRunning == 0)) && ((((0 == systemActive || !(waterLevel == 1)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || \result == 1)) && (((0 == systemActive || !(waterLevel == 1)) || \result == 1) || !(methaneLevelCritical == 0))) && ((0 == systemActive || 0 == \old(pumpRunning)) || !(methaneLevelCritical == 0))) && ((((0 == systemActive || !(1 <= methaneLevelCritical)) || (\result == 0 && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || (\result == 1 && pumpRunning == 0)) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0) || ((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && methaneLevelCritical == 0) && !(0 == systemActive)) - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((0 == systemActive || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0))) && ((0 == systemActive || !(1 <= methaneLevelCritical)) || (!(0 == \old(pumpRunning)) && pumpRunning == \old(pumpRunning))) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((0 == systemActive || !(waterLevel == 1)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || (((tmp == 1 && \result == 1) && tmp___0 == 0) && \result == 0)) && (((0 == systemActive || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0)) && ((0 == systemActive || !(methaneLevelCritical == 0)) || pumpRunning == 0)) && ((0 == systemActive || 0 == \old(pumpRunning)) || !(methaneLevelCritical == 0))) && (((0 == systemActive || !(waterLevel == 1)) || (((tmp == 1 && \result == 1) && tmp___0 == 0) && \result == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((0 == systemActive || !(methaneLevelCritical == 0)) || pumpRunning == 0)) && ((0 == systemActive || ((!(0 == \old(pumpRunning)) && 1 <= tmp) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((0 == systemActive || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (1 <= tmp && pumpRunning == 0)) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || (waterLevel == 1 && pumpRunning == 0)) || !(methaneLevelCritical == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || waterLevel == 1) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(waterLevel == 1)) || !(methaneLevelCritical == 0)) && (((0 == systemActive || (methaneLevelCritical <= tmp && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0))) && ((0 == systemActive || 0 == \old(pumpRunning)) || !(methaneLevelCritical == 0))) && (((0 == systemActive || !(waterLevel == 1)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: ((((0 == systemActive || tmp == 0) || !(methaneLevelCritical == 0)) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || (waterLevel == 1 && pumpRunning == 0)) || !(methaneLevelCritical == 0))) && (((0 == systemActive || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (1 <= tmp && pumpRunning == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || waterLevel == 1) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) && ((0 == systemActive || !(waterLevel == 1)) || !(methaneLevelCritical == 0))) && ((0 == systemActive || 0 == \old(pumpRunning)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: (0 == systemActive || !(1 <= methaneLevelCritical)) && (0 == systemActive || !(methaneLevelCritical == 0)) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && methaneLevelCritical == 0) && !(0 == systemActive)) || ((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= methaneLevelCritical) && !(0 == systemActive)) RESULT: Ultimate proved your program to be correct! [2021-12-16 00:58:41,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE