./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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_spec3_product42.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 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:15:27,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:15:27,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:15:27,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:15:27,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:15:27,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:15:27,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:15:27,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:15:27,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:15:27,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:15:27,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:15:27,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:15:27,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:15:27,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:15:27,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:15:27,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:15:27,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:15:27,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:15:27,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:15:27,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:15:27,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:15:27,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:15:27,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:15:27,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:15:27,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:15:27,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:15:27,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:15:27,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:15:27,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:15:27,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:15:27,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:15:27,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:15:27,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:15:27,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:15:27,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:15:27,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:15:27,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:15:27,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:15:27,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:15:27,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:15:27,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:15:27,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:15:27,803 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:15:27,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:15:27,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:15:27,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:15:27,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:15:27,805 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:15:27,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:15:27,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:15:27,806 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:15:27,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:15:27,807 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:15:27,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:15:27,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:15:27,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:15:27,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:15:27,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:15:27,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:15:27,808 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:15:27,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:15:27,808 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:15:27,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:15:27,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:15:27,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:15:27,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:15:27,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:15:27,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:15:27,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:15:27,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:15:27,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:15:27,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:15:27,815 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:15:27,815 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:15:27,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:15:27,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:15:27,815 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf [2021-12-21 13:15:28,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:15:28,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:15:28,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:15:28,165 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:15:28,165 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:15:28,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-12-21 13:15:28,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06e298fe1/8cbb6e8a735e41fc946a7b449af5deb8/FLAGdcf036ad4 [2021-12-21 13:15:29,006 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:15:29,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-12-21 13:15:29,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06e298fe1/8cbb6e8a735e41fc946a7b449af5deb8/FLAGdcf036ad4 [2021-12-21 13:15:29,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06e298fe1/8cbb6e8a735e41fc946a7b449af5deb8 [2021-12-21 13:15:29,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:15:29,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:15:29,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:15:29,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:15:29,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:15:29,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:15:29" (1/1) ... [2021-12-21 13:15:29,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a58a35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:15:29, skipping insertion in model container [2021-12-21 13:15:29,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:15:29" (1/1) ... [2021-12-21 13:15:29,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:15:29,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:15:29,632 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_spec3_product42.cil.c[7477,7490] [2021-12-21 13:15:29,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:15:29,714 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:15:29,796 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_spec3_product42.cil.c[7477,7490] [2021-12-21 13:15:29,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:15:29,874 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:15:29,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:15:29 WrapperNode [2021-12-21 13:15:29,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:15:29,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:15:29,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:15:29,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:15:29,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:15:29" (1/1) ... [2021-12-21 13:15:29,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:15:29" (1/1) ... [2021-12-21 13:15:30,004 INFO L137 Inliner]: procedures = 54, calls = 153, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 249 [2021-12-21 13:15:30,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:15:30,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:15:30,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:15:30,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:15:30,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:15:29" (1/1) ... [2021-12-21 13:15:30,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:15:29" (1/1) ... [2021-12-21 13:15:30,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:15:29" (1/1) ... [2021-12-21 13:15:30,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:15:29" (1/1) ... [2021-12-21 13:15:30,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:15:29" (1/1) ... [2021-12-21 13:15:30,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:15:29" (1/1) ... [2021-12-21 13:15:30,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:15:29" (1/1) ... [2021-12-21 13:15:30,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:15:30,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:15:30,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:15:30,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:15:30,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:15:29" (1/1) ... [2021-12-21 13:15:30,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:15:30,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:15:30,149 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) [2021-12-21 13:15:30,178 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 [2021-12-21 13:15:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:15:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-21 13:15:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-21 13:15:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-21 13:15:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-21 13:15:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-21 13:15:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-21 13:15:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-21 13:15:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-21 13:15:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-21 13:15:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-21 13:15:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:15:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-21 13:15:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-21 13:15:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:15:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:15:30,346 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:15:30,360 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:15:30,710 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:15:30,714 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:15:30,717 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 13:15:30,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:15:30 BoogieIcfgContainer [2021-12-21 13:15:30,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:15:30,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:15:30,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:15:30,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:15:30,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:15:29" (1/3) ... [2021-12-21 13:15:30,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a1775b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:15:30, skipping insertion in model container [2021-12-21 13:15:30,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:15:29" (2/3) ... [2021-12-21 13:15:30,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a1775b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:15:30, skipping insertion in model container [2021-12-21 13:15:30,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:15:30" (3/3) ... [2021-12-21 13:15:30,725 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2021-12-21 13:15:30,729 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:15:30,729 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:15:30,769 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:15:30,775 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 [2021-12-21 13:15:30,775 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:15:30,793 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 64 states have (on average 1.390625) internal successors, (89), 70 states have internal predecessors, (89), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-21 13:15:30,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-21 13:15:30,799 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:15:30,800 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:15:30,801 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:15:30,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:15:30,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1617756963, now seen corresponding path program 1 times [2021-12-21 13:15:30,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:15:30,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453067410] [2021-12-21 13:15:30,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:15:30,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:15:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:30,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 13:15:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:30,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:15:30,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:15:30,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453067410] [2021-12-21 13:15:30,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453067410] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:15:30,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:15:30,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 13:15:30,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953496518] [2021-12-21 13:15:30,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:15:30,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 13:15:30,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:15:30,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 13:15:30,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:15:30,963 INFO L87 Difference]: Start difference. First operand has 82 states, 64 states have (on average 1.390625) internal successors, (89), 70 states have internal predecessors, (89), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:15:30,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:15:30,982 INFO L93 Difference]: Finished difference Result 156 states and 213 transitions. [2021-12-21 13:15:30,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 13:15:31,007 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-21 13:15:31,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:15:31,013 INFO L225 Difference]: With dead ends: 156 [2021-12-21 13:15:31,013 INFO L226 Difference]: Without dead ends: 73 [2021-12-21 13:15:31,015 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 [2021-12-21 13:15:31,017 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:15:31,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:15:31,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-12-21 13:15:31,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-12-21 13:15:31,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 62 states have internal predecessors, (75), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-21 13:15:31,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2021-12-21 13:15:31,062 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 25 [2021-12-21 13:15:31,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:15:31,063 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2021-12-21 13:15:31,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:15:31,063 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2021-12-21 13:15:31,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-21 13:15:31,066 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:15:31,066 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:15:31,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 13:15:31,067 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:15:31,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:15:31,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1176803179, now seen corresponding path program 1 times [2021-12-21 13:15:31,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:15:31,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418279273] [2021-12-21 13:15:31,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:15:31,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:15:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:31,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-21 13:15:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:15:31,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:15:31,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418279273] [2021-12-21 13:15:31,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418279273] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:15:31,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:15:31,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:15:31,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900201803] [2021-12-21 13:15:31,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:15:31,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:15:31,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:15:31,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:15:31,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:15:31,194 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:15:31,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:15:31,218 INFO L93 Difference]: Finished difference Result 111 states and 143 transitions. [2021-12-21 13:15:31,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:15:31,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-21 13:15:31,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:15:31,221 INFO L225 Difference]: With dead ends: 111 [2021-12-21 13:15:31,222 INFO L226 Difference]: Without dead ends: 64 [2021-12-21 13:15:31,223 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 [2021-12-21 13:15:31,225 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 13 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 145 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 [2021-12-21 13:15:31,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:15:31,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-12-21 13:15:31,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-12-21 13:15:31,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 56 states have internal predecessors, (68), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-21 13:15:31,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2021-12-21 13:15:31,249 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 26 [2021-12-21 13:15:31,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:15:31,252 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2021-12-21 13:15:31,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:15:31,253 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2021-12-21 13:15:31,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-21 13:15:31,254 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:15:31,254 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:15:31,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 13:15:31,255 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:15:31,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:15:31,274 INFO L85 PathProgramCache]: Analyzing trace with hash 414343402, now seen corresponding path program 1 times [2021-12-21 13:15:31,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:15:31,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672334471] [2021-12-21 13:15:31,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:15:31,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:15:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:31,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 13:15:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:15:31,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:15:31,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672334471] [2021-12-21 13:15:31,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672334471] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:15:31,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:15:31,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:15:31,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378968592] [2021-12-21 13:15:31,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:15:31,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:15:31,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:15:31,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:15:31,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:15:31,422 INFO L87 Difference]: Start difference. First operand 64 states and 82 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-12-21 13:15:31,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:15:31,503 INFO L93 Difference]: Finished difference Result 121 states and 158 transitions. [2021-12-21 13:15:31,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 13:15:31,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2021-12-21 13:15:31,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:15:31,519 INFO L225 Difference]: With dead ends: 121 [2021-12-21 13:15:31,521 INFO L226 Difference]: Without dead ends: 64 [2021-12-21 13:15:31,521 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 [2021-12-21 13:15:31,522 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 107 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 193 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 [2021-12-21 13:15:31,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 193 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:15:31,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-12-21 13:15:31,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-12-21 13:15:31,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 56 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-21 13:15:31,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2021-12-21 13:15:31,535 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 31 [2021-12-21 13:15:31,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:15:31,535 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2021-12-21 13:15:31,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-12-21 13:15:31,536 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-12-21 13:15:31,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-21 13:15:31,539 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:15:31,539 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] [2021-12-21 13:15:31,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 13:15:31,539 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:15:31,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:15:31,540 INFO L85 PathProgramCache]: Analyzing trace with hash 808202887, now seen corresponding path program 1 times [2021-12-21 13:15:31,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:15:31,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503978564] [2021-12-21 13:15:31,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:15:31,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:15:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:31,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 13:15:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:31,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:15:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:31,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:15:31,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:15:31,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503978564] [2021-12-21 13:15:31,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503978564] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:15:31,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:15:31,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:15:31,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029311298] [2021-12-21 13:15:31,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:15:31,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:15:31,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:15:31,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:15:31,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:15:31,676 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:15:31,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:15:31,724 INFO L93 Difference]: Finished difference Result 163 states and 210 transitions. [2021-12-21 13:15:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:15:31,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2021-12-21 13:15:31,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:15:31,727 INFO L225 Difference]: With dead ends: 163 [2021-12-21 13:15:31,727 INFO L226 Difference]: Without dead ends: 106 [2021-12-21 13:15:31,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:15:31,734 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 54 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:15:31,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 149 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:15:31,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-12-21 13:15:31,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2021-12-21 13:15:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 89 states have internal predecessors, (107), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2021-12-21 13:15:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 131 transitions. [2021-12-21 13:15:31,767 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 131 transitions. Word has length 36 [2021-12-21 13:15:31,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:15:31,768 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 131 transitions. [2021-12-21 13:15:31,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:15:31,768 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 131 transitions. [2021-12-21 13:15:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-21 13:15:31,772 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:15:31,772 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] [2021-12-21 13:15:31,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 13:15:31,773 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:15:31,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:15:31,774 INFO L85 PathProgramCache]: Analyzing trace with hash 165647039, now seen corresponding path program 1 times [2021-12-21 13:15:31,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:15:31,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553313433] [2021-12-21 13:15:31,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:15:31,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:15:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:31,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 13:15:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:31,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-21 13:15:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:15:31,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:15:31,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553313433] [2021-12-21 13:15:31,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553313433] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:15:31,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:15:31,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:15:31,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600297805] [2021-12-21 13:15:31,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:15:31,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:15:31,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:15:31,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:15:31,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:15:31,938 INFO L87 Difference]: Start difference. First operand 104 states and 131 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:15:32,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:15:32,029 INFO L93 Difference]: Finished difference Result 288 states and 379 transitions. [2021-12-21 13:15:32,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 13:15:32,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2021-12-21 13:15:32,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:15:32,033 INFO L225 Difference]: With dead ends: 288 [2021-12-21 13:15:32,033 INFO L226 Difference]: Without dead ends: 191 [2021-12-21 13:15:32,034 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 [2021-12-21 13:15:32,036 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 41 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:15:32,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 316 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:15:32,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-12-21 13:15:32,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2021-12-21 13:15:32,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 146 states have (on average 1.2808219178082192) internal successors, (187), 156 states have internal predecessors, (187), 21 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (27), 19 states have call predecessors, (27), 21 states have call successors, (27) [2021-12-21 13:15:32,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 235 transitions. [2021-12-21 13:15:32,086 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 235 transitions. Word has length 42 [2021-12-21 13:15:32,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:15:32,086 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 235 transitions. [2021-12-21 13:15:32,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:15:32,086 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 235 transitions. [2021-12-21 13:15:32,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-21 13:15:32,087 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:15:32,088 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] [2021-12-21 13:15:32,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 13:15:32,088 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:15:32,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:15:32,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1345519451, now seen corresponding path program 1 times [2021-12-21 13:15:32,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:15:32,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016152990] [2021-12-21 13:15:32,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:15:32,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:15:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:32,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 13:15:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:32,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-21 13:15:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:32,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 13:15:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:32,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:15:32,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:15:32,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016152990] [2021-12-21 13:15:32,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016152990] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:15:32,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:15:32,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:15:32,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672153330] [2021-12-21 13:15:32,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:15:32,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:15:32,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:15:32,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:15:32,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:15:32,235 INFO L87 Difference]: Start difference. First operand 185 states and 235 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:15:32,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:15:32,525 INFO L93 Difference]: Finished difference Result 469 states and 631 transitions. [2021-12-21 13:15:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:15:32,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2021-12-21 13:15:32,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:15:32,531 INFO L225 Difference]: With dead ends: 469 [2021-12-21 13:15:32,531 INFO L226 Difference]: Without dead ends: 372 [2021-12-21 13:15:32,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-21 13:15:32,533 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 164 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:15:32,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 328 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:15:32,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-12-21 13:15:32,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 348. [2021-12-21 13:15:32,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 277 states have (on average 1.2707581227436824) internal successors, (352), 300 states have internal predecessors, (352), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2021-12-21 13:15:32,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 450 transitions. [2021-12-21 13:15:32,577 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 450 transitions. Word has length 46 [2021-12-21 13:15:32,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:15:32,578 INFO L470 AbstractCegarLoop]: Abstraction has 348 states and 450 transitions. [2021-12-21 13:15:32,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:15:32,578 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 450 transitions. [2021-12-21 13:15:32,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-21 13:15:32,579 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:15:32,579 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] [2021-12-21 13:15:32,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 13:15:32,580 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:15:32,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:15:32,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1126664733, now seen corresponding path program 1 times [2021-12-21 13:15:32,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:15:32,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515313070] [2021-12-21 13:15:32,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:15:32,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:15:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:32,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 13:15:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:32,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-21 13:15:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:32,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 13:15:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:32,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:15:32,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:15:32,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515313070] [2021-12-21 13:15:32,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515313070] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:15:32,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:15:32,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:15:32,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789974578] [2021-12-21 13:15:32,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:15:32,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:15:32,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:15:32,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:15:32,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:15:32,689 INFO L87 Difference]: Start difference. First operand 348 states and 450 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:15:32,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:15:32,808 INFO L93 Difference]: Finished difference Result 721 states and 948 transitions. [2021-12-21 13:15:32,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:15:32,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2021-12-21 13:15:32,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:15:32,811 INFO L225 Difference]: With dead ends: 721 [2021-12-21 13:15:32,811 INFO L226 Difference]: Without dead ends: 457 [2021-12-21 13:15:32,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-21 13:15:32,812 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 152 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:15:32,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 374 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:15:32,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2021-12-21 13:15:32,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 348. [2021-12-21 13:15:32,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 277 states have (on average 1.263537906137184) internal successors, (350), 300 states have internal predecessors, (350), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2021-12-21 13:15:32,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 448 transitions. [2021-12-21 13:15:32,828 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 448 transitions. Word has length 46 [2021-12-21 13:15:32,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:15:32,828 INFO L470 AbstractCegarLoop]: Abstraction has 348 states and 448 transitions. [2021-12-21 13:15:32,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:15:32,828 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 448 transitions. [2021-12-21 13:15:32,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-21 13:15:32,829 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:15:32,829 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] [2021-12-21 13:15:32,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 13:15:32,830 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:15:32,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:15:32,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1944313183, now seen corresponding path program 1 times [2021-12-21 13:15:32,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:15:32,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563110992] [2021-12-21 13:15:32,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:15:32,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:15:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:32,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 13:15:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-21 13:15:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:32,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 13:15:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:15:32,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:15:32,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563110992] [2021-12-21 13:15:32,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563110992] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:15:32,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:15:32,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:15:32,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175903473] [2021-12-21 13:15:32,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:15:32,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:15:32,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:15:32,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:15:32,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:15:32,877 INFO L87 Difference]: Start difference. First operand 348 states and 448 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:15:32,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:15:32,990 INFO L93 Difference]: Finished difference Result 791 states and 1037 transitions. [2021-12-21 13:15:32,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:15:32,991 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2021-12-21 13:15:32,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:15:32,993 INFO L225 Difference]: With dead ends: 791 [2021-12-21 13:15:32,993 INFO L226 Difference]: Without dead ends: 450 [2021-12-21 13:15:32,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-21 13:15:32,994 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 176 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:15:32,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 380 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:15:32,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2021-12-21 13:15:33,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 353. [2021-12-21 13:15:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 285 states have (on average 1.249122807017544) internal successors, (356), 306 states have internal predecessors, (356), 37 states have call successors, (37), 26 states have call predecessors, (37), 30 states have return successors, (57), 35 states have call predecessors, (57), 37 states have call successors, (57) [2021-12-21 13:15:33,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 450 transitions. [2021-12-21 13:15:33,013 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 450 transitions. Word has length 46 [2021-12-21 13:15:33,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:15:33,013 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 450 transitions. [2021-12-21 13:15:33,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:15:33,014 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2021-12-21 13:15:33,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-21 13:15:33,014 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:15:33,015 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] [2021-12-21 13:15:33,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 13:15:33,015 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:15:33,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:15:33,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1025339665, now seen corresponding path program 1 times [2021-12-21 13:15:33,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:15:33,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453742946] [2021-12-21 13:15:33,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:15:33,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:15:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:33,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 13:15:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:33,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-21 13:15:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:33,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:15:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:33,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-21 13:15:33,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:15:33,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453742946] [2021-12-21 13:15:33,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453742946] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:15:33,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699104999] [2021-12-21 13:15:33,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:15:33,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:15:33,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:15:33,112 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) [2021-12-21 13:15:33,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 13:15:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:33,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-21 13:15:33,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:15:33,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:15:33,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 13:15:33,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699104999] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:15:33,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 13:15:33,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2021-12-21 13:15:33,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342275571] [2021-12-21 13:15:33,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:15:33,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:15:33,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:15:33,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:15:33,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-12-21 13:15:33,414 INFO L87 Difference]: Start difference. First operand 353 states and 450 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:15:33,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:15:33,506 INFO L93 Difference]: Finished difference Result 1076 states and 1397 transitions. [2021-12-21 13:15:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 13:15:33,507 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2021-12-21 13:15:33,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:15:33,510 INFO L225 Difference]: With dead ends: 1076 [2021-12-21 13:15:33,510 INFO L226 Difference]: Without dead ends: 730 [2021-12-21 13:15:33,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:15:33,513 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 107 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:15:33,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 499 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:15:33,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2021-12-21 13:15:33,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 700. [2021-12-21 13:15:33,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 563 states have (on average 1.2255772646536411) internal successors, (690), 598 states have internal predecessors, (690), 75 states have call successors, (75), 51 states have call predecessors, (75), 61 states have return successors, (125), 71 states have call predecessors, (125), 75 states have call successors, (125) [2021-12-21 13:15:33,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 890 transitions. [2021-12-21 13:15:33,574 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 890 transitions. Word has length 51 [2021-12-21 13:15:33,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:15:33,575 INFO L470 AbstractCegarLoop]: Abstraction has 700 states and 890 transitions. [2021-12-21 13:15:33,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:15:33,575 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 890 transitions. [2021-12-21 13:15:33,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-21 13:15:33,577 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:15:33,577 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] [2021-12-21 13:15:33,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 13:15:33,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:15:33,794 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:15:33,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:15:33,795 INFO L85 PathProgramCache]: Analyzing trace with hash 468700430, now seen corresponding path program 1 times [2021-12-21 13:15:33,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:15:33,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398845012] [2021-12-21 13:15:33,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:15:33,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:15:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:33,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 13:15:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:33,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-21 13:15:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:33,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 13:15:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:33,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:15:33,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:15:33,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398845012] [2021-12-21 13:15:33,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398845012] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:15:33,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:15:33,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 13:15:33,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219811565] [2021-12-21 13:15:33,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:15:33,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 13:15:33,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:15:33,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 13:15:33,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-21 13:15:33,847 INFO L87 Difference]: Start difference. First operand 700 states and 890 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:15:34,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:15:34,131 INFO L93 Difference]: Finished difference Result 1298 states and 1659 transitions. [2021-12-21 13:15:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 13:15:34,132 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2021-12-21 13:15:34,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:15:34,133 INFO L225 Difference]: With dead ends: 1298 [2021-12-21 13:15:34,133 INFO L226 Difference]: Without dead ends: 259 [2021-12-21 13:15:34,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2021-12-21 13:15:34,136 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 152 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:15:34,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 497 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:15:34,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-12-21 13:15:34,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 247. [2021-12-21 13:15:34,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 197 states have (on average 1.1878172588832487) internal successors, (234), 208 states have internal predecessors, (234), 26 states have call successors, (26), 23 states have call predecessors, (26), 23 states have return successors, (31), 24 states have call predecessors, (31), 26 states have call successors, (31) [2021-12-21 13:15:34,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 291 transitions. [2021-12-21 13:15:34,159 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 291 transitions. Word has length 52 [2021-12-21 13:15:34,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:15:34,159 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 291 transitions. [2021-12-21 13:15:34,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:15:34,159 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 291 transitions. [2021-12-21 13:15:34,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-21 13:15:34,160 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:15:34,160 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] [2021-12-21 13:15:34,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 13:15:34,161 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:15:34,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:15:34,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1675825877, now seen corresponding path program 1 times [2021-12-21 13:15:34,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:15:34,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918923845] [2021-12-21 13:15:34,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:15:34,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:15:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:34,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 13:15:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:34,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 13:15:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:34,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 13:15:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:34,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 13:15:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:15:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-21 13:15:34,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:15:34,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918923845] [2021-12-21 13:15:34,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918923845] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:15:34,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:15:34,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-21 13:15:34,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539147022] [2021-12-21 13:15:34,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:15:34,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-21 13:15:34,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:15:34,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-21 13:15:34,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-12-21 13:15:34,280 INFO L87 Difference]: Start difference. First operand 247 states and 291 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-21 13:15:34,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:15:34,558 INFO L93 Difference]: Finished difference Result 483 states and 574 transitions. [2021-12-21 13:15:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-21 13:15:34,558 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2021-12-21 13:15:34,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:15:34,559 INFO L225 Difference]: With dead ends: 483 [2021-12-21 13:15:34,559 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 13:15:34,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2021-12-21 13:15:34,560 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 146 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:15:34,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 359 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:15:34,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 13:15:34,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 13:15:34,561 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) [2021-12-21 13:15:34,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 13:15:34,562 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-12-21 13:15:34,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:15:34,562 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 13:15:34,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-21 13:15:34,562 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 13:15:34,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 13:15:34,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 13:15:34,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-21 13:15:34,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 13:15:39,400 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed. [2021-12-21 13:15:39,401 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true [2021-12-21 13:15:39,401 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 435 446) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= |old(~methaneLevelCritical~0)| 0)) (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0)) (not (<= 0 |old(~methaneLevelCritical~0)|)) .cse0) (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0))) [2021-12-21 13:15:39,401 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 435 446) no Hoare annotation was computed. [2021-12-21 13:15:39,401 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 435 446) no Hoare annotation was computed. [2021-12-21 13:15:39,401 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 447 455) the Hoare annotation is: true [2021-12-21 13:15:39,401 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 447 455) no Hoare annotation was computed. [2021-12-21 13:15:39,401 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 447 455) no Hoare annotation was computed. [2021-12-21 13:15:39,401 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 419) no Hoare annotation was computed. [2021-12-21 13:15:39,401 INFO L854 garLoopResultBuilder]: At program point L415-2(lines 411 422) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not .cse0) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 1) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2021-12-21 13:15:39,401 INFO L854 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0) (or (= |old(~pumpRunning~0)| 0) .cse0))) [2021-12-21 13:15:39,401 INFO L854 garLoopResultBuilder]: At program point L395(lines 380 398) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1) (and (= |timeShift_isHighWaterLevel_#res#1| 1) .cse0 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1)) (not (<= 0 ~methaneLevelCritical~0)) .cse2)) (or (= |old(~pumpRunning~0)| 0) .cse2))) [2021-12-21 13:15:39,401 INFO L854 garLoopResultBuilder]: At program point L329(line 329) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1) (not (<= 0 ~methaneLevelCritical~0)) (and (= |timeShift_isHighWaterLevel_#res#1| 1) .cse0 (= |timeShift_processEnvironment_~tmp~2#1| 1) (= |timeShift_isHighWaterLevel_~tmp~4#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1)) .cse2)) (or (= |old(~pumpRunning~0)| 0) .cse2))) [2021-12-21 13:15:39,402 INFO L858 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed. [2021-12-21 13:15:39,402 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 233 256) no Hoare annotation was computed. [2021-12-21 13:15:39,402 INFO L858 garLoopResultBuilder]: For program point L932(lines 932 938) no Hoare annotation was computed. [2021-12-21 13:15:39,402 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 941) no Hoare annotation was computed. [2021-12-21 13:15:39,402 INFO L854 garLoopResultBuilder]: At program point L928-1(lines 913 945) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (not .cse1)) (.cse0 (<= ~waterLevel~0 1)) (.cse7 (not .cse2)) (.cse8 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse13 (not .cse4)) (.cse9 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse10 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse14 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse11 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse12 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (let ((.cse6 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0)))) (or .cse3 (and .cse4 .cse0 .cse5 .cse6 .cse7) (not (<= 1 ~methaneLevelCritical~0)) (and .cse8 .cse4 .cse9 .cse10 .cse11 .cse5 .cse6 .cse12) (and .cse8 .cse13 .cse9 .cse10 .cse14 .cse11 .cse5 .cse15 .cse12) .cse2 (and .cse13 .cse0 .cse14 .cse5 .cse15 .cse7))) (or .cse13 .cse1 .cse2) (let ((.cse16 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse17 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse3 (and .cse4 .cse0 .cse5 .cse7) (not (<= ~methaneLevelCritical~0 0)) (and .cse0 .cse14 .cse16 .cse5 .cse17 .cse15 .cse7) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse8 .cse13 .cse9 .cse10 .cse14 .cse16 .cse11 .cse5 .cse17 .cse15 .cse12)))))) [2021-12-21 13:15:39,402 INFO L854 garLoopResultBuilder]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not .cse0) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 1) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2021-12-21 13:15:39,402 INFO L854 garLoopResultBuilder]: At program point L284-1(lines 265 289) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not .cse2)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse17 (= ~pumpRunning~0 0))) (let ((.cse3 (not .cse17)) (.cse4 (not .cse1)) (.cse5 (and .cse17 .cse0 .cse8 .cse11)) (.cse6 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse10 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse12 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse13 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse14 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse15 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse16 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (let ((.cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse9 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse4 .cse5 (not (<= ~methaneLevelCritical~0 0)) (and .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse12 .cse3 .cse13 .cse14 .cse6 .cse7 .cse15 .cse8 .cse9 .cse10 .cse16))) (or .cse4 (and .cse0 .cse6 .cse8 .cse10 .cse11) .cse5 (not (<= 1 ~methaneLevelCritical~0)) (and .cse12 .cse13 .cse14 .cse6 .cse15 .cse8 .cse10 .cse16) (and .cse12 .cse17 .cse13 .cse14 .cse15 .cse8 .cse16) .cse2))))) [2021-12-21 13:15:39,402 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-12-21 13:15:39,402 INFO L854 garLoopResultBuilder]: At program point L920(line 920) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not .cse2)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse17 (= ~pumpRunning~0 0))) (let ((.cse3 (not .cse17)) (.cse4 (not .cse1)) (.cse5 (and .cse17 .cse0 .cse8 .cse11)) (.cse6 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse10 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse12 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse13 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse14 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse15 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse16 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (let ((.cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse9 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse4 .cse5 (not (<= ~methaneLevelCritical~0 0)) (and .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse12 .cse3 .cse13 .cse14 .cse6 .cse7 .cse15 .cse8 .cse9 .cse10 .cse16))) (or .cse4 (and .cse0 .cse6 .cse8 .cse10 .cse11) .cse5 (not (<= 1 ~methaneLevelCritical~0)) (and .cse12 .cse13 .cse14 .cse6 .cse15 .cse8 .cse10 .cse16) (and .cse12 .cse17 .cse13 .cse14 .cse15 .cse8 .cse16) .cse2))))) [2021-12-21 13:15:39,402 INFO L858 garLoopResultBuilder]: For program point L920-1(line 920) no Hoare annotation was computed. [2021-12-21 13:15:39,402 INFO L854 garLoopResultBuilder]: At program point L508(lines 503 510) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= |old(~pumpRunning~0)| 0) .cse0) (or (not (<= 0 ~methaneLevelCritical~0)) .cse0))) [2021-12-21 13:15:39,402 INFO L858 garLoopResultBuilder]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2021-12-21 13:15:39,402 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 312) no Hoare annotation was computed. [2021-12-21 13:15:39,403 INFO L858 garLoopResultBuilder]: For program point L273(lines 273 281) no Hoare annotation was computed. [2021-12-21 13:15:39,403 INFO L854 garLoopResultBuilder]: At program point L306-2(lines 299 315) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse2 (<= ~waterLevel~0 1)) (.cse8 (not .cse0)) (.cse3 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse7 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse9 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse14 (= ~pumpRunning~0 0)) (.cse10 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse11 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse12 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (let ((.cse1 (not .cse14)) (.cse4 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse6 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse10 .cse11 .cse3 .cse4 .cse12 .cse5 .cse6 .cse7 .cse13))) (or (= |old(~pumpRunning~0)| 0) .cse0) (or (and .cse14 .cse2 .cse5) (and .cse2 .cse3 .cse5 .cse7 .cse8) (not (<= 1 ~methaneLevelCritical~0)) (and .cse9 .cse10 .cse11 .cse3 .cse12 .cse5 .cse7 .cse13) (and .cse9 .cse14 .cse10 .cse11 .cse12 .cse5 .cse13) .cse0)))) [2021-12-21 13:15:39,403 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2021-12-21 13:15:39,403 INFO L858 garLoopResultBuilder]: For program point L492(lines 492 498) no Hoare annotation was computed. [2021-12-21 13:15:39,416 INFO L854 garLoopResultBuilder]: At program point L331(lines 324 334) the Hoare annotation is: (let ((.cse10 (= 0 ~systemActive~0))) (let ((.cse2 (<= ~waterLevel~0 1)) (.cse4 (not .cse10)) (.cse5 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse7 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse8 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (let ((.cse0 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse8 .cse3 .cse9) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse10)) (or (and .cse1 .cse2 .cse3 .cse4) (not (<= 1 ~methaneLevelCritical~0)) (and .cse5 .cse1 .cse6 .cse7 .cse8 .cse3 .cse9) .cse10) (or (= |old(~pumpRunning~0)| 0) .cse10)))) [2021-12-21 13:15:39,416 INFO L858 garLoopResultBuilder]: For program point L389(lines 389 393) no Hoare annotation was computed. [2021-12-21 13:15:39,416 INFO L854 garLoopResultBuilder]: At program point L484(lines 479 487) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse18 (= ~pumpRunning~0 0))) (let ((.cse8 (= |old(~pumpRunning~0)| 0)) (.cse10 (not .cse18)) (.cse6 (<= ~waterLevel~0 1)) (.cse13 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse7 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse21 (not .cse2))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (and .cse10 .cse6 .cse13 .cse15 .cse16 .cse7 .cse21)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not .cse8)) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse9 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse11 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse12 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse14 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse17 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse3 .cse0 .cse4 .cse5 .cse2) (or (and .cse6 .cse7) .cse3 .cse8 .cse2) (or .cse0 .cse4 .cse5 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) .cse2) (or .cse10 .cse8 .cse2) (let ((.cse19 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse20 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or (and .cse18 .cse6 .cse15 .cse7) .cse0 (and .cse6 .cse13 .cse19 .cse15 .cse20 .cse16 .cse7 .cse21) (not (<= ~methaneLevelCritical~0 0)) .cse1 .cse2 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse19 .cse14 .cse15 .cse20 .cse16 .cse17))))))) [2021-12-21 13:15:39,416 INFO L858 garLoopResultBuilder]: For program point L389-2(lines 389 393) no Hoare annotation was computed. [2021-12-21 13:15:39,416 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 942) no Hoare annotation was computed. [2021-12-21 13:15:39,416 INFO L854 garLoopResultBuilder]: At program point L340(lines 335 343) the Hoare annotation is: (let ((.cse15 (= |old(~pumpRunning~0)| 0))) (let ((.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse0 (not .cse15)) (.cse14 (not (<= 1 ~methaneLevelCritical~0))) (.cse12 (= 0 ~systemActive~0)) (.cse2 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (not (= |timeShift_isPumpRunning_#res#1| 0))) (.cse5 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse6 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse7 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse8 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse11 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or .cse0 (not (<= ~methaneLevelCritical~0 0)) .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse8 .cse9 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse10 .cse11) .cse12) (or .cse13 .cse14 .cse12) (or .cse13 .cse15 .cse12) (or (and .cse3 .cse4) .cse15 .cse12) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse12) (or .cse0 .cse14 .cse12 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11))))) [2021-12-21 13:15:39,416 INFO L854 garLoopResultBuilder]: At program point L497(lines 488 501) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse0 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse1))) (or (= |old(~pumpRunning~0)| 0) .cse2))) [2021-12-21 13:15:39,416 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 233 256) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not .cse0) (and .cse1 .cse2) (not (<= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse3 (and (not .cse1) .cse2)))) [2021-12-21 13:15:39,417 INFO L858 garLoopResultBuilder]: For program point L237-1(lines 236 255) no Hoare annotation was computed. [2021-12-21 13:15:39,417 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed. [2021-12-21 13:15:39,417 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 507) no Hoare annotation was computed. [2021-12-21 13:15:39,417 INFO L854 garLoopResultBuilder]: At program point L295(lines 290 297) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse10 (<= ~waterLevel~0 1)) (.cse11 (not .cse9)) (.cse0 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse3 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse4 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse5 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse8 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and .cse1 .cse10 .cse4 .cse6 .cse7 .cse11)) (let ((.cse12 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse13 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse9 (and .cse1 .cse10 .cse4 .cse12 .cse6 .cse13 .cse7 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse12 .cse5 .cse6 .cse13 .cse7 .cse8))) (or (= |old(~pumpRunning~0)| 0) .cse9)))) [2021-12-21 13:15:39,417 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2021-12-21 13:15:39,417 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2021-12-21 13:15:39,417 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-12-21 13:15:39,417 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2021-12-21 13:15:39,417 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2021-12-21 13:15:39,417 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2021-12-21 13:15:39,417 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2021-12-21 13:15:39,417 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-12-21 13:15:39,417 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-21 13:15:39,417 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-12-21 13:15:39,417 INFO L854 garLoopResultBuilder]: At program point L213(lines 164 214) the Hoare annotation is: false [2021-12-21 13:15:39,418 INFO L854 garLoopResultBuilder]: At program point L527(lines 523 529) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-21 13:15:39,418 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 13:15:39,418 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 13:15:39,418 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 13:15:39,418 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2021-12-21 13:15:39,418 INFO L858 garLoopResultBuilder]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2021-12-21 13:15:39,418 INFO L854 garLoopResultBuilder]: At program point L404(lines 399 406) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2021-12-21 13:15:39,418 INFO L854 garLoopResultBuilder]: At program point L210(lines 165 212) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2021-12-21 13:15:39,418 INFO L854 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2021-12-21 13:15:39,418 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-12-21 13:15:39,418 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2021-12-21 13:15:39,418 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 13:15:39,418 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2021-12-21 13:15:39,418 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-12-21 13:15:39,418 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-12-21 13:15:39,418 INFO L854 garLoopResultBuilder]: At program point L203-2(lines 195 208) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2021-12-21 13:15:39,418 INFO L858 garLoopResultBuilder]: For program point L166(lines 165 212) no Hoare annotation was computed. [2021-12-21 13:15:39,419 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 208) no Hoare annotation was computed. [2021-12-21 13:15:39,419 INFO L854 garLoopResultBuilder]: At program point L542(lines 537 545) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-21 13:15:39,419 INFO L854 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2021-12-21 13:15:39,419 INFO L861 garLoopResultBuilder]: At program point L216(lines 155 220) the Hoare annotation is: true [2021-12-21 13:15:39,419 INFO L854 garLoopResultBuilder]: At program point L534(lines 530 536) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-21 13:15:39,429 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-21 13:15:39,430 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2021-12-21 13:15:39,430 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2021-12-21 13:15:39,430 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2021-12-21 13:15:39,430 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 423 434) no Hoare annotation was computed. [2021-12-21 13:15:39,430 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 423 434) no Hoare annotation was computed. [2021-12-21 13:15:39,431 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 423 434) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2021-12-21 13:15:39,434 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:15:39,435 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 13:15:39,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 01:15:39 BoogieIcfgContainer [2021-12-21 13:15:39,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 13:15:39,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 13:15:39,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 13:15:39,500 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 13:15:39,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:15:30" (3/4) ... [2021-12-21 13:15:39,516 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 13:15:39,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-21 13:15:39,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-21 13:15:39,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-21 13:15:39,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-21 13:15:39,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-21 13:15:39,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-21 13:15:39,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-21 13:15:39,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-21 13:15:39,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 13:15:39,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 13:15:39,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 13:15:39,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:15:39,533 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:15:39,561 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2021-12-21 13:15:39,566 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2021-12-21 13:15:39,566 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= methaneLevelCritical && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive))) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2021-12-21 13:15:39,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) [2021-12-21 13:15:39,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && ((((((!(\old(pumpRunning) == 0) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) [2021-12-21 13:15:39,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2021-12-21 13:15:39,570 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive) && ((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && tmp___0 == 1)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)))) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) [2021-12-21 13:15:39,570 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || (((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive)) && (\old(pumpRunning) == 0 || 0 == systemActive) [2021-12-21 13:15:39,570 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || \result == 1) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) [2021-12-21 13:15:39,570 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (\old(pumpRunning) == 0 || 0 == systemActive) [2021-12-21 13:15:39,570 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) && (\old(pumpRunning) == 0 || 0 == systemActive)) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) [2021-12-21 13:15:39,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= methaneLevelCritical) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) && ((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && (\old(pumpRunning) == 0 || 0 == systemActive) [2021-12-21 13:15:39,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || (((((\result == 1 && pumpRunning == 0) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (\old(pumpRunning) == 0 || 0 == systemActive) [2021-12-21 13:15:39,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) && ((!(\old(waterLevel) <= 1) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(waterLevel) <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((!(pumpRunning == 0) && !(\result == 0)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(\old(waterLevel) == 1) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) [2021-12-21 13:15:39,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == 0 || 0 == systemActive) && (!(0 <= methaneLevelCritical) || 0 == systemActive) [2021-12-21 13:15:39,616 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 13:15:39,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 13:15:39,617 INFO L158 Benchmark]: Toolchain (without parser) took 10430.32ms. Allocated memory was 81.8MB in the beginning and 161.5MB in the end (delta: 79.7MB). Free memory was 49.7MB in the beginning and 107.9MB in the end (delta: -58.2MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-12-21 13:15:39,617 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory was 52.2MB in the beginning and 52.2MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 13:15:39,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.45ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 49.5MB in the beginning and 66.2MB in the end (delta: -16.7MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-12-21 13:15:39,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.05ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 63.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:15:39,627 INFO L158 Benchmark]: Boogie Preprocessor took 72.74ms. Allocated memory is still 98.6MB. Free memory was 63.8MB in the beginning and 62.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 13:15:39,628 INFO L158 Benchmark]: RCFGBuilder took 640.03ms. Allocated memory is still 98.6MB. Free memory was 62.0MB in the beginning and 69.0MB in the end (delta: -6.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-12-21 13:15:39,628 INFO L158 Benchmark]: TraceAbstraction took 8778.92ms. Allocated memory was 98.6MB in the beginning and 161.5MB in the end (delta: 62.9MB). Free memory was 68.5MB in the beginning and 114.2MB in the end (delta: -45.6MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2021-12-21 13:15:39,628 INFO L158 Benchmark]: Witness Printer took 116.83ms. Allocated memory is still 161.5MB. Free memory was 114.2MB in the beginning and 107.9MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 13:15:39,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory was 52.2MB in the beginning and 52.2MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.45ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 49.5MB in the beginning and 66.2MB in the end (delta: -16.7MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.05ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 63.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.74ms. Allocated memory is still 98.6MB. Free memory was 63.8MB in the beginning and 62.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 640.03ms. Allocated memory is still 98.6MB. Free memory was 62.0MB in the beginning and 69.0MB in the end (delta: -6.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8778.92ms. Allocated memory was 98.6MB in the beginning and 161.5MB in the end (delta: 62.9MB). Free memory was 68.5MB in the beginning and 114.2MB in the end (delta: -45.6MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. * Witness Printer took 116.83ms. Allocated memory is still 161.5MB. Free memory was 114.2MB in the beginning and 107.9MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 507]: 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 7 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1140 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1112 mSDsluCounter, 3343 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2326 mSDsCounter, 201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1028 IncrementalHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 201 mSolverCounterUnsat, 1017 mSDtfsCounter, 1028 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 204 GetRequests, 119 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=700occurred in iteration=9, InterpolantAutomatonStates: 82, 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, 280 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 1170 PreInvPairs, 1452 NumberOfFragments, 2096 HoareAnnotationTreeSize, 1170 FomulaSimplifications, 1730 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 38 FomulaSimplificationsInter, 17334 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 507 NumberOfCodeBlocks, 507 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 495 ConstructedInterpolants, 0 QuantifiedInterpolants, 1210 SizeOfPredicates, 5 NumberOfNonLiveVariables, 366 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 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: 503]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == 0 || 0 == systemActive) && (!(0 <= methaneLevelCritical) || 0 == systemActive) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || (((((\result == 1 && pumpRunning == 0) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (\old(pumpRunning) == 0 || 0 == systemActive) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive) && ((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && tmp___0 == 1)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)))) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && ((((((!(\old(pumpRunning) == 0) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (((((1 <= methaneLevelCritical && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive))) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) && ((!(\old(waterLevel) <= 1) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(waterLevel) <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((!(pumpRunning == 0) && !(\result == 0)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(\old(waterLevel) == 1) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) && (\old(pumpRunning) == 0 || 0 == systemActive)) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || (((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive)) && (\old(pumpRunning) == 0 || 0 == systemActive) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: ((((!(1 <= methaneLevelCritical) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) && ((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && (\old(pumpRunning) == 0 || 0 == systemActive) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: ((((\result == 1 && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || \result == 1) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (\old(pumpRunning) == 0 || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2021-12-21 13:15:39,699 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