./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product44.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 f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:09:40,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:09:40,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:09:40,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:09:40,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:09:40,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:09:40,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:09:40,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:09:40,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:09:40,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:09:40,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:09:40,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:09:40,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:09:40,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:09:40,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:09:40,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:09:40,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:09:40,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:09:40,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:09:40,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:09:40,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:09:40,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:09:40,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:09:40,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:09:40,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:09:40,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:09:40,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:09:40,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:09:40,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:09:40,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:09:40,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:09:40,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:09:40,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:09:40,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:09:40,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:09:40,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:09:40,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:09:40,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:09:40,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:09:40,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:09:40,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:09:40,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:09:40,702 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:09:40,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:09:40,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:09:40,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:09:40,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:09:40,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:09:40,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:09:40,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:09:40,704 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:09:40,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:09:40,705 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:09:40,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:09:40,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:09:40,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:09:40,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:09:40,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:09:40,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:09:40,706 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:09:40,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:09:40,706 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:09:40,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:09:40,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:09:40,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:09:40,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:09:40,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:40,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:09:40,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:09:40,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:09:40,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:09:40,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:09:40,708 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:09:40,708 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:09:40,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:09:40,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:09:40,709 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d [2021-12-17 15:09:40,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:09:40,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:09:40,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:09:40,921 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:09:40,922 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:09:40,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2021-12-17 15:09:40,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4476620/e70d252efdaf44cfa415f6e88beb8349/FLAGb50cb0345 [2021-12-17 15:09:41,340 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:09:41,341 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2021-12-17 15:09:41,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4476620/e70d252efdaf44cfa415f6e88beb8349/FLAGb50cb0345 [2021-12-17 15:09:41,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4476620/e70d252efdaf44cfa415f6e88beb8349 [2021-12-17 15:09:41,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:09:41,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:09:41,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:41,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:09:41,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:09:41,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa19c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41, skipping insertion in model container [2021-12-17 15:09:41,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:09:41,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:09:41,673 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_spec5_product44.cil.c[18005,18018] [2021-12-17 15:09:41,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:41,690 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:09:41,733 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_spec5_product44.cil.c[18005,18018] [2021-12-17 15:09:41,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:41,745 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:09:41,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41 WrapperNode [2021-12-17 15:09:41,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:41,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:41,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:09:41,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:09:41,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,807 INFO L137 Inliner]: procedures = 57, calls = 157, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 261 [2021-12-17 15:09:41,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:41,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:09:41,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:09:41,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:09:41,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:09:41,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:09:41,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:09:41,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:09:41,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (1/1) ... [2021-12-17 15:09:41,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:41,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:41,925 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) [2021-12-17 15:09:41,953 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 [2021-12-17 15:09:41,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:09:41,998 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:09:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:09:41,998 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:09:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:09:41,999 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:09:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:09:42,000 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:09:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:09:42,000 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-17 15:09:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-17 15:09:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:09:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:09:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:09:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:09:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:09:42,123 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:09:42,125 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:09:42,385 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:09:42,396 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:09:42,397 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:09:42,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:42 BoogieIcfgContainer [2021-12-17 15:09:42,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:09:42,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:09:42,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:09:42,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:09:42,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:09:41" (1/3) ... [2021-12-17 15:09:42,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7f5b82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:42, skipping insertion in model container [2021-12-17 15:09:42,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:41" (2/3) ... [2021-12-17 15:09:42,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7f5b82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:42, skipping insertion in model container [2021-12-17 15:09:42,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:42" (3/3) ... [2021-12-17 15:09:42,413 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2021-12-17 15:09:42,416 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:09:42,421 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:09:42,451 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:09:42,459 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 [2021-12-17 15:09:42,459 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:09:42,475 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 77 states have internal predecessors, (97), 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) [2021-12-17 15:09:42,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:09:42,481 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:42,481 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] [2021-12-17 15:09:42,481 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:42,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:42,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1684151890, now seen corresponding path program 1 times [2021-12-17 15:09:42,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:42,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450358365] [2021-12-17 15:09:42,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:42,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:09:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:09:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:42,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:42,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450358365] [2021-12-17 15:09:42,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450358365] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:42,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:42,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:09:42,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220094388] [2021-12-17 15:09:42,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:42,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:09:42,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:42,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:09:42,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:42,674 INFO L87 Difference]: Start difference. First operand has 89 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 77 states have internal predecessors, (97), 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 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:42,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:42,716 INFO L93 Difference]: Finished difference Result 169 states and 228 transitions. [2021-12-17 15:09:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:09:42,719 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-17 15:09:42,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:42,725 INFO L225 Difference]: With dead ends: 169 [2021-12-17 15:09:42,726 INFO L226 Difference]: Without dead ends: 80 [2021-12-17 15:09:42,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:42,733 INFO L933 BasicCegarLoop]: 111 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, 111 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 [2021-12-17 15:09:42,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:42,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-12-17 15:09:42,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-12-17 15:09:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 64 states have (on average 1.296875) internal successors, (83), 69 states have internal predecessors, (83), 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) [2021-12-17 15:09:42,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 102 transitions. [2021-12-17 15:09:42,767 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 102 transitions. Word has length 32 [2021-12-17 15:09:42,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:42,767 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 102 transitions. [2021-12-17 15:09:42,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:42,768 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 102 transitions. [2021-12-17 15:09:42,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-17 15:09:42,770 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:42,770 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] [2021-12-17 15:09:42,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:09:42,771 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:42,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:42,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1709273223, now seen corresponding path program 1 times [2021-12-17 15:09:42,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:42,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591374888] [2021-12-17 15:09:42,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:42,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:09:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:09:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:42,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:42,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591374888] [2021-12-17 15:09:42,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591374888] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:42,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:42,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:42,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769645729] [2021-12-17 15:09:42,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:42,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:42,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:42,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:42,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:42,862 INFO L87 Difference]: Start difference. First operand 80 states and 102 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:42,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:42,874 INFO L93 Difference]: Finished difference Result 120 states and 153 transitions. [2021-12-17 15:09:42,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:42,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-17 15:09:42,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:42,875 INFO L225 Difference]: With dead ends: 120 [2021-12-17 15:09:42,876 INFO L226 Difference]: Without dead ends: 71 [2021-12-17 15:09:42,876 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 [2021-12-17 15:09:42,877 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 18 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 156 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 [2021-12-17 15:09:42,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 156 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:42,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-12-17 15:09:42,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-12-17 15:09:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 63 states have internal predecessors, (76), 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) [2021-12-17 15:09:42,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2021-12-17 15:09:42,889 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 33 [2021-12-17 15:09:42,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:42,890 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2021-12-17 15:09:42,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:42,890 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2021-12-17 15:09:42,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-17 15:09:42,891 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:42,891 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] [2021-12-17 15:09:42,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:09:42,892 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:42,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:42,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1502879027, now seen corresponding path program 1 times [2021-12-17 15:09:42,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:42,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207996380] [2021-12-17 15:09:42,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:42,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-17 15:09:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:42,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:42,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207996380] [2021-12-17 15:09:42,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207996380] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:42,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:42,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:42,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545898183] [2021-12-17 15:09:42,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:42,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:42,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:42,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:42,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:42,957 INFO L87 Difference]: Start difference. First operand 71 states and 90 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), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:42,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:42,998 INFO L93 Difference]: Finished difference Result 195 states and 253 transitions. [2021-12-17 15:09:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:42,998 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), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2021-12-17 15:09:42,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:43,003 INFO L225 Difference]: With dead ends: 195 [2021-12-17 15:09:43,005 INFO L226 Difference]: Without dead ends: 132 [2021-12-17 15:09:43,006 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 [2021-12-17 15:09:43,007 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 78 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:43,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 186 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:43,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-12-17 15:09:43,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 127. [2021-12-17 15:09:43,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 102 states have (on average 1.3333333333333333) internal successors, (136), 111 states have internal predecessors, (136), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-17 15:09:43,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 164 transitions. [2021-12-17 15:09:43,024 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 164 transitions. Word has length 38 [2021-12-17 15:09:43,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:43,025 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 164 transitions. [2021-12-17 15:09:43,025 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), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:43,025 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 164 transitions. [2021-12-17 15:09:43,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-17 15:09:43,027 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:43,027 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] [2021-12-17 15:09:43,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:09:43,027 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:43,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:43,028 INFO L85 PathProgramCache]: Analyzing trace with hash -793445015, now seen corresponding path program 1 times [2021-12-17 15:09:43,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:43,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579920416] [2021-12-17 15:09:43,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:43,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-17 15:09:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-17 15:09:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:09:43,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:43,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579920416] [2021-12-17 15:09:43,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579920416] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:43,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:43,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:43,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592700151] [2021-12-17 15:09:43,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:43,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:43,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:43,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:43,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:43,118 INFO L87 Difference]: Start difference. First operand 127 states and 164 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:43,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:43,254 INFO L93 Difference]: Finished difference Result 342 states and 450 transitions. [2021-12-17 15:09:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:09:43,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-17 15:09:43,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:43,256 INFO L225 Difference]: With dead ends: 342 [2021-12-17 15:09:43,257 INFO L226 Difference]: Without dead ends: 223 [2021-12-17 15:09:43,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:09:43,258 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 47 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:43,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 425 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:43,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2021-12-17 15:09:43,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 211. [2021-12-17 15:09:43,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 166 states have (on average 1.2951807228915662) internal successors, (215), 179 states have internal predecessors, (215), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2021-12-17 15:09:43,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 267 transitions. [2021-12-17 15:09:43,306 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 267 transitions. Word has length 41 [2021-12-17 15:09:43,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:43,306 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 267 transitions. [2021-12-17 15:09:43,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:43,307 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 267 transitions. [2021-12-17 15:09:43,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-17 15:09:43,308 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:43,308 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] [2021-12-17 15:09:43,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:09:43,309 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:43,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:43,323 INFO L85 PathProgramCache]: Analyzing trace with hash 855988844, now seen corresponding path program 1 times [2021-12-17 15:09:43,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:43,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354052304] [2021-12-17 15:09:43,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:43,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-17 15:09:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:43,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:43,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354052304] [2021-12-17 15:09:43,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354052304] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:43,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:43,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:09:43,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890229175] [2021-12-17 15:09:43,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:43,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:09:43,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:43,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:09:43,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:09:43,418 INFO L87 Difference]: Start difference. First operand 211 states and 267 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:43,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:43,486 INFO L93 Difference]: Finished difference Result 462 states and 598 transitions. [2021-12-17 15:09:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:09:43,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2021-12-17 15:09:43,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:43,488 INFO L225 Difference]: With dead ends: 462 [2021-12-17 15:09:43,488 INFO L226 Difference]: Without dead ends: 259 [2021-12-17 15:09:43,490 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 [2021-12-17 15:09:43,490 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 42 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:43,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 381 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:43,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-12-17 15:09:43,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 217. [2021-12-17 15:09:43,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 172 states have (on average 1.2848837209302326) internal successors, (221), 185 states have internal predecessors, (221), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2021-12-17 15:09:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 273 transitions. [2021-12-17 15:09:43,525 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 273 transitions. Word has length 51 [2021-12-17 15:09:43,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:43,526 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 273 transitions. [2021-12-17 15:09:43,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 273 transitions. [2021-12-17 15:09:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-17 15:09:43,528 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:43,528 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] [2021-12-17 15:09:43,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:09:43,528 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:43,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:43,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1278690670, now seen corresponding path program 1 times [2021-12-17 15:09:43,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:43,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980612379] [2021-12-17 15:09:43,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:43,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-17 15:09:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:43,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:43,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980612379] [2021-12-17 15:09:43,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980612379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:43,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:43,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:09:43,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252461517] [2021-12-17 15:09:43,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:43,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:09:43,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:43,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:09:43,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:09:43,581 INFO L87 Difference]: Start difference. First operand 217 states and 273 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:43,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:43,642 INFO L93 Difference]: Finished difference Result 486 states and 624 transitions. [2021-12-17 15:09:43,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 15:09:43,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2021-12-17 15:09:43,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:43,645 INFO L225 Difference]: With dead ends: 486 [2021-12-17 15:09:43,645 INFO L226 Difference]: Without dead ends: 277 [2021-12-17 15:09:43,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:09:43,647 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 155 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:43,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 437 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:43,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-12-17 15:09:43,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 221. [2021-12-17 15:09:43,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 176 states have (on average 1.2784090909090908) internal successors, (225), 189 states have internal predecessors, (225), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2021-12-17 15:09:43,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 277 transitions. [2021-12-17 15:09:43,673 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 277 transitions. Word has length 51 [2021-12-17 15:09:43,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:43,674 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 277 transitions. [2021-12-17 15:09:43,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:43,674 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 277 transitions. [2021-12-17 15:09:43,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-17 15:09:43,675 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:43,675 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] [2021-12-17 15:09:43,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:09:43,676 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:43,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:43,676 INFO L85 PathProgramCache]: Analyzing trace with hash -526747664, now seen corresponding path program 1 times [2021-12-17 15:09:43,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:43,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897882916] [2021-12-17 15:09:43,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:43,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-17 15:09:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:43,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:43,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897882916] [2021-12-17 15:09:43,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897882916] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:43,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:43,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:43,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020765267] [2021-12-17 15:09:43,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:43,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:43,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:43,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:43,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:43,723 INFO L87 Difference]: Start difference. First operand 221 states and 277 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:43,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:43,754 INFO L93 Difference]: Finished difference Result 528 states and 667 transitions. [2021-12-17 15:09:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:43,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2021-12-17 15:09:43,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:43,759 INFO L225 Difference]: With dead ends: 528 [2021-12-17 15:09:43,760 INFO L226 Difference]: Without dead ends: 315 [2021-12-17 15:09:43,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:43,766 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 39 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:43,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 171 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:43,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-12-17 15:09:43,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2021-12-17 15:09:43,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 250 states have (on average 1.248) internal successors, (312), 265 states have internal predecessors, (312), 36 states have call successors, (36), 30 states have call predecessors, (36), 28 states have return successors, (40), 34 states have call predecessors, (40), 36 states have call successors, (40) [2021-12-17 15:09:43,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 388 transitions. [2021-12-17 15:09:43,803 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 388 transitions. Word has length 51 [2021-12-17 15:09:43,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:43,803 INFO L470 AbstractCegarLoop]: Abstraction has 315 states and 388 transitions. [2021-12-17 15:09:43,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:43,805 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 388 transitions. [2021-12-17 15:09:43,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-17 15:09:43,813 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:43,813 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] [2021-12-17 15:09:43,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:09:43,813 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:43,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:43,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1427287338, now seen corresponding path program 1 times [2021-12-17 15:09:43,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:43,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056469835] [2021-12-17 15:09:43,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:43,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-17 15:09:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-17 15:09:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:43,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:43,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056469835] [2021-12-17 15:09:43,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056469835] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:43,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:43,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 15:09:43,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612670958] [2021-12-17 15:09:43,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:43,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 15:09:43,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:43,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 15:09:43,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:09:43,989 INFO L87 Difference]: Start difference. First operand 315 states and 388 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 15:09:44,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:44,263 INFO L93 Difference]: Finished difference Result 1078 states and 1373 transitions. [2021-12-17 15:09:44,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-17 15:09:44,264 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 55 [2021-12-17 15:09:44,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:44,267 INFO L225 Difference]: With dead ends: 1078 [2021-12-17 15:09:44,267 INFO L226 Difference]: Without dead ends: 865 [2021-12-17 15:09:44,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-12-17 15:09:44,269 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 292 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:44,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [301 Valid, 614 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:09:44,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2021-12-17 15:09:44,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 801. [2021-12-17 15:09:44,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 640 states have (on average 1.23125) internal successors, (788), 683 states have internal predecessors, (788), 88 states have call successors, (88), 66 states have call predecessors, (88), 72 states have return successors, (108), 84 states have call predecessors, (108), 88 states have call successors, (108) [2021-12-17 15:09:44,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 984 transitions. [2021-12-17 15:09:44,307 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 984 transitions. Word has length 55 [2021-12-17 15:09:44,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:44,308 INFO L470 AbstractCegarLoop]: Abstraction has 801 states and 984 transitions. [2021-12-17 15:09:44,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 15:09:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 984 transitions. [2021-12-17 15:09:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-17 15:09:44,309 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:44,309 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:44,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:09:44,310 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:44,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:44,310 INFO L85 PathProgramCache]: Analyzing trace with hash -616604212, now seen corresponding path program 1 times [2021-12-17 15:09:44,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:44,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368489678] [2021-12-17 15:09:44,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:44,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:09:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-17 15:09:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-17 15:09:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-17 15:09:44,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:44,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368489678] [2021-12-17 15:09:44,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368489678] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:44,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:44,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:44,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772246923] [2021-12-17 15:09:44,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:44,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:44,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:44,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:44,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:44,380 INFO L87 Difference]: Start difference. First operand 801 states and 984 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-17 15:09:44,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:44,554 INFO L93 Difference]: Finished difference Result 1364 states and 1672 transitions. [2021-12-17 15:09:44,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:09:44,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 85 [2021-12-17 15:09:44,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:44,557 INFO L225 Difference]: With dead ends: 1364 [2021-12-17 15:09:44,557 INFO L226 Difference]: Without dead ends: 571 [2021-12-17 15:09:44,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:09:44,559 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 183 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:44,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 327 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:44,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2021-12-17 15:09:44,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 555. [2021-12-17 15:09:44,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 441 states have (on average 1.217687074829932) internal successors, (537), 470 states have internal predecessors, (537), 62 states have call successors, (62), 48 states have call predecessors, (62), 51 states have return successors, (72), 59 states have call predecessors, (72), 62 states have call successors, (72) [2021-12-17 15:09:44,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 671 transitions. [2021-12-17 15:09:44,581 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 671 transitions. Word has length 85 [2021-12-17 15:09:44,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:44,581 INFO L470 AbstractCegarLoop]: Abstraction has 555 states and 671 transitions. [2021-12-17 15:09:44,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-17 15:09:44,581 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 671 transitions. [2021-12-17 15:09:44,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-12-17 15:09:44,582 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:44,583 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:44,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 15:09:44,583 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:44,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:44,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1396479385, now seen corresponding path program 1 times [2021-12-17 15:09:44,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:44,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529996373] [2021-12-17 15:09:44,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:44,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:09:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-17 15:09:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-17 15:09:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-17 15:09:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,673 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-17 15:09:44,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:44,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529996373] [2021-12-17 15:09:44,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529996373] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:09:44,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645125718] [2021-12-17 15:09:44,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:44,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:09:44,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:44,684 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) [2021-12-17 15:09:44,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 15:09:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:44,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 15:09:44,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:09:45,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:45,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:09:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-17 15:09:45,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645125718] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:09:45,248 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:09:45,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 14 [2021-12-17 15:09:45,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350275571] [2021-12-17 15:09:45,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:09:45,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-17 15:09:45,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:45,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-17 15:09:45,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-17 15:09:45,250 INFO L87 Difference]: Start difference. First operand 555 states and 671 transitions. Second operand has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 10 states have internal predecessors, (107), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) [2021-12-17 15:09:46,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:46,041 INFO L93 Difference]: Finished difference Result 1146 states and 1418 transitions. [2021-12-17 15:09:46,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-12-17 15:09:46,041 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 10 states have internal predecessors, (107), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) Word has length 87 [2021-12-17 15:09:46,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:46,045 INFO L225 Difference]: With dead ends: 1146 [2021-12-17 15:09:46,045 INFO L226 Difference]: Without dead ends: 678 [2021-12-17 15:09:46,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=393, Invalid=1499, Unknown=0, NotChecked=0, Total=1892 [2021-12-17 15:09:46,047 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 400 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:46,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [405 Valid, 1093 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 15:09:46,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2021-12-17 15:09:46,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 590. [2021-12-17 15:09:46,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 459 states have (on average 1.2026143790849673) internal successors, (552), 491 states have internal predecessors, (552), 71 states have call successors, (71), 60 states have call predecessors, (71), 59 states have return successors, (77), 62 states have call predecessors, (77), 71 states have call successors, (77) [2021-12-17 15:09:46,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 700 transitions. [2021-12-17 15:09:46,075 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 700 transitions. Word has length 87 [2021-12-17 15:09:46,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:46,076 INFO L470 AbstractCegarLoop]: Abstraction has 590 states and 700 transitions. [2021-12-17 15:09:46,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 10 states have internal predecessors, (107), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) [2021-12-17 15:09:46,076 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 700 transitions. [2021-12-17 15:09:46,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-12-17 15:09:46,082 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:46,082 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:46,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-17 15:09:46,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-17 15:09:46,297 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:46,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:46,297 INFO L85 PathProgramCache]: Analyzing trace with hash -104600478, now seen corresponding path program 1 times [2021-12-17 15:09:46,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:46,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596336300] [2021-12-17 15:09:46,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:46,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:09:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-17 15:09:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-17 15:09:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-17 15:09:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-17 15:09:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-17 15:09:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 101 proven. 6 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-17 15:09:46,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:46,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596336300] [2021-12-17 15:09:46,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596336300] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:09:46,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968167057] [2021-12-17 15:09:46,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:46,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:09:46,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:46,423 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:09:46,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 15:09:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:46,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-17 15:09:46,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:09:47,116 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 181 proven. 4 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-12-17 15:09:47,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:09:47,552 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 118 proven. 61 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-12-17 15:09:47,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968167057] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:09:47,553 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:09:47,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 11] total 24 [2021-12-17 15:09:47,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641383198] [2021-12-17 15:09:47,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:09:47,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-17 15:09:47,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:47,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-17 15:09:47,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2021-12-17 15:09:47,555 INFO L87 Difference]: Start difference. First operand 590 states and 700 transitions. Second operand has 24 states, 24 states have (on average 9.875) internal successors, (237), 21 states have internal predecessors, (237), 9 states have call successors, (21), 8 states have call predecessors, (21), 9 states have return successors, (23), 8 states have call predecessors, (23), 9 states have call successors, (23) [2021-12-17 15:09:47,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:47,919 INFO L93 Difference]: Finished difference Result 1368 states and 1665 transitions. [2021-12-17 15:09:47,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-17 15:09:47,920 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 9.875) internal successors, (237), 21 states have internal predecessors, (237), 9 states have call successors, (21), 8 states have call predecessors, (21), 9 states have return successors, (23), 8 states have call predecessors, (23), 9 states have call successors, (23) Word has length 186 [2021-12-17 15:09:47,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:47,921 INFO L225 Difference]: With dead ends: 1368 [2021-12-17 15:09:47,921 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:09:47,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 387 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=346, Invalid=1214, Unknown=0, NotChecked=0, Total=1560 [2021-12-17 15:09:47,942 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 450 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:47,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [453 Valid, 1130 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:09:47,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:09:47,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:09:47,943 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) [2021-12-17 15:09:47,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:09:47,943 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2021-12-17 15:09:47,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:47,944 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:09:47,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.875) internal successors, (237), 21 states have internal predecessors, (237), 9 states have call successors, (21), 8 states have call predecessors, (21), 9 states have return successors, (23), 8 states have call predecessors, (23), 9 states have call successors, (23) [2021-12-17 15:09:47,944 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:09:47,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:09:47,952 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:09:47,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 15:09:48,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-17 15:09:48,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:09:52,408 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2021-12-17 15:09:52,408 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2021-12-17 15:09:52,408 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2021-12-17 15:09:52,408 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2021-12-17 15:09:52,408 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2021-12-17 15:09:52,408 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 831 860) no Hoare annotation was computed. [2021-12-17 15:09:52,408 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 831 860) the Hoare annotation is: true [2021-12-17 15:09:52,408 INFO L861 garLoopResultBuilder]: At program point L856(lines 831 860) the Hoare annotation is: true [2021-12-17 15:09:52,408 INFO L858 garLoopResultBuilder]: For program point L852(line 852) no Hoare annotation was computed. [2021-12-17 15:09:52,408 INFO L858 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2021-12-17 15:09:52,408 INFO L861 garLoopResultBuilder]: At program point L845-1(lines 845 849) the Hoare annotation is: true [2021-12-17 15:09:52,408 INFO L858 garLoopResultBuilder]: For program point L842(line 842) no Hoare annotation was computed. [2021-12-17 15:09:52,408 INFO L861 garLoopResultBuilder]: At program point L841-2(lines 841 855) the Hoare annotation is: true [2021-12-17 15:09:52,408 INFO L861 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: true [2021-12-17 15:09:52,409 INFO L858 garLoopResultBuilder]: For program point L837-1(line 837) no Hoare annotation was computed. [2021-12-17 15:09:52,409 INFO L858 garLoopResultBuilder]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2021-12-17 15:09:52,409 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 611) no Hoare annotation was computed. [2021-12-17 15:09:52,409 INFO L858 garLoopResultBuilder]: For program point L572(lines 572 580) no Hoare annotation was computed. [2021-12-17 15:09:52,409 INFO L854 garLoopResultBuilder]: At program point L605-2(lines 598 614) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1) (or .cse2 .cse3 .cse4) (or .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse4) (or .cse0 .cse1 .cse3) (let ((.cse6 (= ~waterLevel~0 2)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse5 .cse2 (and .cse6 .cse7 (<= 1 ~pumpRunning~0)) .cse0 (and .cse6 .cse7 (= ~pumpRunning~0 0)))))) [2021-12-17 15:09:52,409 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 585) no Hoare annotation was computed. [2021-12-17 15:09:52,409 INFO L854 garLoopResultBuilder]: At program point L630(lines 623 633) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1) (or .cse2 .cse3 .cse4) (or .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse4) (or .cse0 .cse1 .cse3) (or .cse5 .cse2 .cse0 (and (= ~waterLevel~0 2) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0))))) [2021-12-17 15:09:52,409 INFO L858 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-12-17 15:09:52,409 INFO L858 garLoopResultBuilder]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2021-12-17 15:09:52,409 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 975) no Hoare annotation was computed. [2021-12-17 15:09:52,409 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 529 555) no Hoare annotation was computed. [2021-12-17 15:09:52,409 INFO L858 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2021-12-17 15:09:52,409 INFO L854 garLoopResultBuilder]: At program point L953(lines 946 955) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (and .cse7 (= ~pumpRunning~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (and (<= 1 ~switchedOnBeforeTS~0) .cse7 (<= 1 ~pumpRunning~0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 2)) .cse0 .cse1 (not (= ~systemActive~0 0))) (or .cse0 .cse2 .cse1 .cse3) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse1 .cse6) (or .cse2 .cse4 .cse6 .cse5)))) [2021-12-17 15:09:52,409 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 542) no Hoare annotation was computed. [2021-12-17 15:09:52,409 INFO L858 garLoopResultBuilder]: For program point L536-2(lines 532 554) no Hoare annotation was computed. [2021-12-17 15:09:52,410 INFO L854 garLoopResultBuilder]: At program point L594(lines 589 596) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1) (or .cse2 .cse3 .cse4) (or .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse4) (or .cse0 .cse1 .cse3) (or .cse5 .cse2 (and (= ~waterLevel~0 2) (= ~waterLevel~0 |old(~waterLevel~0)|) (<= 1 ~pumpRunning~0)) .cse0))) [2021-12-17 15:09:52,410 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-12-17 15:09:52,410 INFO L854 garLoopResultBuilder]: At program point L966(line 966) the Hoare annotation is: (let ((.cse1 (<= 1 ~switchedOnBeforeTS~0)) (.cse13 (<= ~waterLevel~0 1)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse4 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0))) (let ((.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse8 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1 .cse13 .cse2 .cse3 .cse4)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= ~pumpRunning~0 0))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1) .cse2 .cse3 .cse4) .cse5 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse7 .cse0 .cse8 .cse6) (or (and .cse9 .cse3 .cse10 .cse4) .cse0 .cse11 (not (<= |old(~waterLevel~0)| 1))) (or .cse0 .cse11 .cse5) (or .cse12 .cse7 .cse0 .cse8 (and .cse1 .cse9 .cse2 .cse3 .cse4) .cse6) (or .cse12 .cse11 (and .cse13 .cse9 .cse3 .cse10 .cse4) (not (= ~systemActive~0 0)))))) [2021-12-17 15:09:52,410 INFO L858 garLoopResultBuilder]: For program point L966-1(line 966) no Hoare annotation was computed. [2021-12-17 15:09:52,410 INFO L854 garLoopResultBuilder]: At program point L933(lines 928 935) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4) (or .cse3 .cse4 .cse5) (or (not (<= |old(~waterLevel~0)| 2)) (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 .cse5) (or .cse3 .cse0 .cse1) (or .cse0 .cse2 .cse4))) [2021-12-17 15:09:52,410 INFO L854 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0))) (let ((.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse9 .cse11 (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse8 (<= ~waterLevel~0 1) .cse10 .cse11)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~waterLevel~0 1) .cse0 .cse4 .cse5) (or .cse0 .cse6 .cse4 .cse5) (or (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse3 (not (= ~systemActive~0 0))) (or .cse7 .cse0 .cse6 (and .cse8 .cse9 .cse10 .cse11) .cse2 .cse5) (or .cse0 .cse1 (and .cse9 .cse10 .cse11) .cse3 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse7 .cse0 .cse6 .cse5)))) [2021-12-17 15:09:52,410 INFO L854 garLoopResultBuilder]: At program point L578(line 578) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (and (= |timeShift_processEnvironment_~tmp~3#1| 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 0))) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse5) (or .cse3 .cse0 .cse1 .cse4) (or .cse3 .cse5 .cse6) (or (not (<= |old(~waterLevel~0)| 2)) (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 .cse6) (or .cse0 .cse2 .cse5))) [2021-12-17 15:09:52,410 INFO L854 garLoopResultBuilder]: At program point L694(lines 679 697) the Hoare annotation is: (let ((.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1) (let ((.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= ~pumpRunning~0 0))) (or .cse2 .cse3 (and (not (= 0 |timeShift_isHighWaterLevel_~tmp~5#1|)) (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0) .cse4 (= |timeShift_isHighWaterLevel_#res#1| 0) .cse5) .cse0 (and (= ~waterLevel~0 2) .cse4 .cse5))) (or .cse3 .cse6 .cse7) (or .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 .cse7) (or .cse0 .cse1 .cse6))) [2021-12-17 15:09:52,410 INFO L854 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1) (or .cse2 .cse3 .cse4) (or .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse4) (or .cse0 .cse1 .cse3) (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= ~pumpRunning~0 0))) (or .cse5 (and .cse6 (not (= 0 |timeShift_isHighWaterSensorDry_#res#1|)) .cse7) .cse2 .cse0 (and (= ~waterLevel~0 2) .cse6 .cse7))))) [2021-12-17 15:09:52,410 INFO L854 garLoopResultBuilder]: At program point L583(line 583) the Hoare annotation is: (let ((.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (<= 1 ~pumpRunning~0))) (let ((.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse8 (<= ~waterLevel~0 1) .cse9)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or (= ~waterLevel~0 1) .cse3 .cse4 .cse5) (or .cse3 .cse0 .cse4) (or .cse3 .cse6 .cse4 .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse7 .cse3 .cse6 .cse5) (or .cse7 .cse3 .cse1 (and .cse8 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse9) .cse6 .cse5) (or .cse3 .cse0 .cse1) (or .cse0 .cse2 .cse4)))) [2021-12-17 15:09:52,411 INFO L854 garLoopResultBuilder]: At program point L583-1(lines 564 588) the Hoare annotation is: (let ((.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (and .cse3 (= ~pumpRunning~0 0))) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse11 (<= ~waterLevel~0 1) .cse4)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 .cse4) .cse5 .cse6 .cse0 .cse7) (or (= ~waterLevel~0 1) .cse6 .cse7 .cse8) (or .cse5 .cse6 .cse0 .cse1) (or .cse6 .cse9 .cse7 .cse8) (or (not (= |old(~waterLevel~0)| 1)) .cse10 .cse6 .cse9 .cse8) (or .cse10 .cse6 .cse1 (and .cse11 .cse3 .cse4) .cse9 .cse8) (or .cse0 .cse2 .cse7)))) [2021-12-17 15:09:52,411 INFO L854 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1) (or .cse2 .cse3 .cse4) (or .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse4) (or .cse0 .cse1 .cse3) (or .cse5 .cse2 .cse0 (and (= ~waterLevel~0 2) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0))))) [2021-12-17 15:09:52,411 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-12-17 15:09:52,411 INFO L854 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (let ((.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (<= 1 ~pumpRunning~0))) (let ((.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse8 (<= ~waterLevel~0 1) .cse9)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or (= ~waterLevel~0 1) .cse3 .cse4 .cse5) (or .cse3 .cse0 .cse4) (or .cse3 .cse6 .cse4 .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse7 .cse3 .cse6 .cse5) (or .cse7 .cse3 .cse1 (and .cse8 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse9) .cse6 .cse5) (or .cse3 .cse0 .cse1) (or .cse0 .cse2 .cse4)))) [2021-12-17 15:09:52,411 INFO L854 garLoopResultBuilder]: At program point L951(line 951) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse2 (not (= ~systemActive~0 0))) (.cse0 (and .cse8 .cse9 (= ~pumpRunning~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= 1 ~systemActive~0))) (.cse6 (and .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse5 .cse1 .cse3) (or .cse0 .cse5 .cse1 .cse4) (or (not (<= |old(~waterLevel~0)| 2)) (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse5 .cse6 .cse7) (or .cse5 .cse6 .cse3 .cse7)))) [2021-12-17 15:09:52,411 INFO L858 garLoopResultBuilder]: For program point L951-1(line 951) no Hoare annotation was computed. [2021-12-17 15:09:52,411 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 529 555) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse2 (not (= ~systemActive~0 0))) (.cse0 (and .cse8 .cse9 (= ~pumpRunning~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= 1 ~systemActive~0))) (.cse6 (and .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse5 .cse1 .cse3) (or .cse0 .cse5 .cse1 .cse4) (or (not (<= |old(~waterLevel~0)| 2)) (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse5 .cse6 .cse7) (or .cse5 .cse6 .cse3 .cse7)))) [2021-12-17 15:09:52,411 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 529 555) no Hoare annotation was computed. [2021-12-17 15:09:52,411 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-12-17 15:09:52,411 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 978) no Hoare annotation was computed. [2021-12-17 15:09:52,411 INFO L858 garLoopResultBuilder]: For program point L964(lines 964 981) no Hoare annotation was computed. [2021-12-17 15:09:52,412 INFO L854 garLoopResultBuilder]: At program point L964-1(lines 956 984) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse6 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0))) (let ((.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse12 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse8 (<= ~waterLevel~0 1) .cse4 .cse5 .cse6)) (.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (and .cse3 .cse5 (= ~pumpRunning~0 0) .cse6)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse1 (and .cse8 (= ~waterLevel~0 1) .cse4 .cse5 .cse6) .cse7 .cse9) (or .cse0 .cse1 .cse2 .cse10) (or (not (= |old(~waterLevel~0)| 1)) .cse11 .cse1 .cse12 .cse9) (or .cse11 .cse1 .cse12 .cse10 (and .cse8 .cse3 .cse4 .cse5 .cse6) .cse9) (or (not (<= |old(~waterLevel~0)| 2)) .cse0 .cse2 (not (= ~systemActive~0 0)))))) [2021-12-17 15:09:52,412 INFO L861 garLoopResultBuilder]: At program point L923(lines 904 926) the Hoare annotation is: true [2021-12-17 15:09:52,412 INFO L854 garLoopResultBuilder]: At program point L783(lines 732 784) the Hoare annotation is: false [2021-12-17 15:09:52,412 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 777) no Hoare annotation was computed. [2021-12-17 15:09:52,412 INFO L854 garLoopResultBuilder]: At program point L771-2(lines 763 778) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 (<= ~waterLevel~0 1) .cse5 .cse3) (and .cse0 .cse4 .cse6 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse6 .cse1 .cse2))) [2021-12-17 15:09:52,412 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:09:52,412 INFO L858 garLoopResultBuilder]: For program point L734(lines 733 782) no Hoare annotation was computed. [2021-12-17 15:09:52,412 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:09:52,412 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:09:52,412 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 778) no Hoare annotation was computed. [2021-12-17 15:09:52,412 INFO L854 garLoopResultBuilder]: At program point L825(lines 820 828) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:52,412 INFO L854 garLoopResultBuilder]: At program point L755(line 755) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 (<= ~waterLevel~0 1) .cse5 .cse3) (and .cse0 .cse4 .cse6 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse6 .cse1 .cse2))) [2021-12-17 15:09:52,412 INFO L854 garLoopResultBuilder]: At program point L817(lines 813 819) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:52,412 INFO L854 garLoopResultBuilder]: At program point L718(lines 713 720) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 .cse2) (and .cse0 (= ~waterLevel~0 2) .cse3 .cse2))) [2021-12-17 15:09:52,412 INFO L854 garLoopResultBuilder]: At program point L780(lines 733 782) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= ~waterLevel~0 2)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 .cse5) (and .cse0 .cse4 .cse6 .cse5) (and .cse0 .cse1 .cse6 .cse5) (and .cse0 .cse1 .cse3 .cse5) (and .cse0 .cse4 .cse2 .cse3))) [2021-12-17 15:09:52,413 INFO L858 garLoopResultBuilder]: For program point L743(lines 743 749) no Hoare annotation was computed. [2021-12-17 15:09:52,413 INFO L858 garLoopResultBuilder]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2021-12-17 15:09:52,413 INFO L854 garLoopResultBuilder]: At program point L710(lines 698 712) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 (= ~waterLevel~0 2) .cse1 .cse2) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2))) [2021-12-17 15:09:52,413 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:09:52,413 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 739) no Hoare annotation was computed. [2021-12-17 15:09:52,413 INFO L858 garLoopResultBuilder]: For program point L702(lines 702 708) no Hoare annotation was computed. [2021-12-17 15:09:52,413 INFO L858 garLoopResultBuilder]: For program point L702-2(lines 702 708) no Hoare annotation was computed. [2021-12-17 15:09:52,413 INFO L854 garLoopResultBuilder]: At program point L620(lines 615 622) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (not (= 0 ~switchedOnBeforeTS~0)) (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 (= ~waterLevel~0 2) .cse1 .cse2))) [2021-12-17 15:09:52,413 INFO L854 garLoopResultBuilder]: At program point L810(lines 806 812) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:52,413 INFO L861 garLoopResultBuilder]: At program point L901(lines 893 903) the Hoare annotation is: true [2021-12-17 15:09:52,413 INFO L854 garLoopResultBuilder]: At program point L889(lines 885 891) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:52,413 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 921) no Hoare annotation was computed. [2021-12-17 15:09:52,413 INFO L861 garLoopResultBuilder]: At program point L786(lines 723 790) the Hoare annotation is: true [2021-12-17 15:09:52,413 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 759) no Hoare annotation was computed. [2021-12-17 15:09:52,413 INFO L858 garLoopResultBuilder]: For program point L753-1(lines 753 759) no Hoare annotation was computed. [2021-12-17 15:09:52,413 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 921) no Hoare annotation was computed. [2021-12-17 15:09:52,413 INFO L854 garLoopResultBuilder]: At program point L943(lines 938 945) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:52,413 INFO L854 garLoopResultBuilder]: At program point L745(line 745) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= ~waterLevel~0 2)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 .cse5) (and .cse0 .cse4 .cse6 .cse5) (and .cse0 .cse1 .cse6 .cse5) (and .cse0 .cse1 .cse3 .cse5) (and .cse0 .cse4 .cse2 .cse3))) [2021-12-17 15:09:52,414 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2021-12-17 15:09:52,414 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2021-12-17 15:09:52,414 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse0 .cse2 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse5) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 .cse6 .cse2 .cse5) (or .cse1 .cse6 .cse2 .cse3))) [2021-12-17 15:09:52,414 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 634 642) no Hoare annotation was computed. [2021-12-17 15:09:52,414 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 634 642) the Hoare annotation is: true [2021-12-17 15:09:52,414 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 634 642) no Hoare annotation was computed. [2021-12-17 15:09:52,419 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:52,420 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:09:52,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:09:52 BoogieIcfgContainer [2021-12-17 15:09:52,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:09:52,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:09:52,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:09:52,450 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:09:52,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:42" (3/4) ... [2021-12-17 15:09:52,453 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:09:52,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:09:52,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:09:52,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:09:52,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:09:52,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:09:52,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-17 15:09:52,462 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-17 15:09:52,463 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:09:52,463 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:09:52,463 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:09:52,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:09:52,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:52,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:52,480 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1))) && ((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || !(\old(waterLevel) <= 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2))) && (((!(1 == systemActive) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:52,480 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && (((waterLevel == 1 || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2))) && (((!(1 == systemActive) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && (((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || !(\old(waterLevel) <= 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2)) [2021-12-17 15:09:52,480 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && \result == waterLevel) && tmp == waterLevel)) || !(\old(waterLevel) == 2)) && (((!(1 == systemActive) || ((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) && \result == waterLevel) && tmp == waterLevel)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((((((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && \result == waterLevel) && tmp == waterLevel)) || !(1 <= \old(pumpRunning)))) && (((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && \result == waterLevel) && tmp == waterLevel)) || !(\old(waterLevel) <= 1)) || ((((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && \result == waterLevel) && tmp == waterLevel)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || (((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) [2021-12-17 15:09:52,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && (((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2))) && (((waterLevel == 1 || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1))) && (((!(1 == systemActive) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && (((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || !(\old(waterLevel) <= 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2)) [2021-12-17 15:09:52,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2))) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2)) [2021-12-17 15:09:52,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) || ((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0)) && (((waterLevel == 1 || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && \result == waterLevel)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0)) || !(systemActive == 0))) && (((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && \result == waterLevel)) || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && \result == waterLevel)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning)))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && \result == waterLevel)) || ((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && \result == waterLevel)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:52,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2))) && ((((!(\old(waterLevel) <= 2) || ((waterLevel == \old(waterLevel) && !(0 == \result)) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) [2021-12-17 15:09:52,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((((!(0 == tmp) && tmp___0 == 0) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && pumpRunning == 0))) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2)) [2021-12-17 15:09:52,482 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) [2021-12-17 15:09:52,482 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) [2021-12-17 15:09:52,482 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) [2021-12-17 15:09:52,482 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:09:52,503 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:09:52,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:09:52,504 INFO L158 Benchmark]: Toolchain (without parser) took 11140.84ms. Allocated memory was 144.7MB in the beginning and 243.3MB in the end (delta: 98.6MB). Free memory was 112.5MB in the beginning and 166.1MB in the end (delta: -53.6MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2021-12-17 15:09:52,504 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:09:52,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.64ms. Allocated memory is still 144.7MB. Free memory was 112.5MB in the beginning and 111.6MB in the end (delta: 826.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 15:09:52,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.28ms. Allocated memory is still 144.7MB. Free memory was 111.6MB in the beginning and 109.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:52,505 INFO L158 Benchmark]: Boogie Preprocessor took 62.54ms. Allocated memory is still 144.7MB. Free memory was 109.1MB in the beginning and 107.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:52,505 INFO L158 Benchmark]: RCFGBuilder took 524.97ms. Allocated memory is still 144.7MB. Free memory was 107.3MB in the beginning and 91.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-17 15:09:52,505 INFO L158 Benchmark]: TraceAbstraction took 10050.04ms. Allocated memory was 144.7MB in the beginning and 243.3MB in the end (delta: 98.6MB). Free memory was 90.7MB in the beginning and 172.4MB in the end (delta: -81.7MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. [2021-12-17 15:09:52,506 INFO L158 Benchmark]: Witness Printer took 53.87ms. Allocated memory is still 243.3MB. Free memory was 172.4MB in the beginning and 166.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 15:09:52,507 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.64ms. Allocated memory is still 144.7MB. Free memory was 112.5MB in the beginning and 111.6MB in the end (delta: 826.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.28ms. Allocated memory is still 144.7MB. Free memory was 111.6MB in the beginning and 109.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.54ms. Allocated memory is still 144.7MB. Free memory was 109.1MB in the beginning and 107.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.97ms. Allocated memory is still 144.7MB. Free memory was 107.3MB in the beginning and 91.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10050.04ms. Allocated memory was 144.7MB in the beginning and 243.3MB in the end (delta: 98.6MB). Free memory was 90.7MB in the beginning and 172.4MB in the end (delta: -81.7MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. * Witness Printer took 53.87ms. Allocated memory is still 243.3MB. Free memory was 172.4MB in the beginning and 166.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 932]: 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, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1736 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1704 mSDsluCounter, 5031 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3718 mSDsCounter, 459 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1620 IncrementalHoareTripleChecker+Invalid, 2079 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 459 mSolverCounterUnsat, 1313 mSDtfsCounter, 1620 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 769 GetRequests, 642 SyntacticMatches, 4 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=801occurred in iteration=8, InterpolantAutomatonStates: 113, 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, 283 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 1825 PreInvPairs, 2082 NumberOfFragments, 2814 HoareAnnotationTreeSize, 1825 FomulaSimplifications, 8573 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 42 FomulaSimplificationsInter, 20397 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 983 NumberOfCodeBlocks, 983 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1241 ConstructedInterpolants, 0 QuantifiedInterpolants, 2508 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1175 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 880/973 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: 698]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && waterLevel == 2) && systemActive == 0) && pumpRunning == 0) || (((splverifierCounter == 0 && waterLevel <= 1) && systemActive == 0) && pumpRunning == 0) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2))) && ((((!(\old(waterLevel) <= 2) || ((waterLevel == \old(waterLevel) && !(0 == \result)) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && systemActive == 1) || (((splverifierCounter == 0 && waterLevel == 2) && systemActive == 1) && pumpRunning == 0)) || (((splverifierCounter == 0 && waterLevel == 2) && systemActive == 0) && pumpRunning == 0)) || (((splverifierCounter == 0 && waterLevel <= 1) && systemActive == 0) && pumpRunning == 0)) || (((splverifierCounter == 0 && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || (((splverifierCounter == 0 && waterLevel == 2) && 1 <= pumpRunning) && systemActive == 1) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && (((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2))) && (((waterLevel == 1 || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1))) && (((!(1 == systemActive) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && (((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || !(\old(waterLevel) <= 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2))) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: (((((((((((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && \result == waterLevel) && tmp == waterLevel)) || !(\old(waterLevel) == 2)) && (((!(1 == systemActive) || ((((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning) && \result == waterLevel) && tmp == waterLevel)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((((((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && \result == waterLevel) && tmp == waterLevel)) || !(1 <= \old(pumpRunning)))) && (((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && \result == waterLevel) && tmp == waterLevel)) || !(\old(waterLevel) <= 1)) || ((((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && \result == waterLevel) && tmp == waterLevel)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || (((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && (((waterLevel == 1 || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2))) && (((!(1 == systemActive) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && (((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || !(\old(waterLevel) <= 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && !(0 == switchedOnBeforeTS)) && waterLevel <= 1) && pumpRunning == 0) && 1 == systemActive) || (((splverifierCounter == 0 && waterLevel == 2) && pumpRunning == 0) && 1 == systemActive) - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && waterLevel <= 2) && systemActive == 1) && pumpRunning == 0) || ((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == 1)) || (((splverifierCounter == 0 && waterLevel == 2) && 1 <= pumpRunning) && systemActive == 1) - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) || ((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0)) && (((waterLevel == 1 || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && \result == waterLevel)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0)) || !(systemActive == 0))) && (((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && \result == waterLevel)) || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && \result == waterLevel)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning)))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && \result == waterLevel)) || ((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && \result == waterLevel)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((((!(0 == tmp) && tmp___0 == 0) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && pumpRunning == 0))) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 1)) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(systemActive == 0)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1))) && ((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || !(\old(waterLevel) <= 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2))) && (((!(1 == systemActive) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-17 15:09:52,586 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