./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product50.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_product50.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 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 01:01:24,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 01:01:24,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 01:01:24,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 01:01:24,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 01:01:24,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 01:01:24,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 01:01:24,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 01:01:24,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 01:01:24,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 01:01:24,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 01:01:24,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 01:01:24,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 01:01:24,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 01:01:24,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 01:01:24,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 01:01:24,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 01:01:24,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 01:01:24,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 01:01:24,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 01:01:24,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 01:01:24,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 01:01:24,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 01:01:24,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 01:01:24,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 01:01:24,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 01:01:24,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 01:01:24,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 01:01:24,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 01:01:24,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 01:01:24,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 01:01:24,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 01:01:24,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 01:01:24,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 01:01:24,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 01:01:24,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 01:01:24,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 01:01:24,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 01:01:24,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 01:01:24,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 01:01:24,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 01:01:24,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 01:01:24,802 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 01:01:24,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 01:01:24,802 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 01:01:24,802 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 01:01:24,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 01:01:24,803 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 01:01:24,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 01:01:24,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 01:01:24,804 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 01:01:24,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 01:01:24,805 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 01:01:24,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 01:01:24,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 01:01:24,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 01:01:24,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 01:01:24,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 01:01:24,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 01:01:24,806 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 01:01:24,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 01:01:24,807 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 01:01:24,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 01:01:24,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 01:01:24,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 01:01:24,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 01:01:24,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:01:24,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 01:01:24,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 01:01:24,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 01:01:24,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 01:01:24,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 01:01:24,812 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 01:01:24,813 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 01:01:24,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 01:01:24,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 01:01:24,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 [2021-12-16 01:01:24,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 01:01:25,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 01:01:25,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 01:01:25,019 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 01:01:25,020 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 01:01:25,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-12-16 01:01:25,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/342ce257c/e77c3c6e4ca74ae98af2cc6938fb8bf0/FLAGe37f9ce0e [2021-12-16 01:01:25,501 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 01:01:25,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-12-16 01:01:25,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/342ce257c/e77c3c6e4ca74ae98af2cc6938fb8bf0/FLAGe37f9ce0e [2021-12-16 01:01:25,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/342ce257c/e77c3c6e4ca74ae98af2cc6938fb8bf0 [2021-12-16 01:01:25,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 01:01:25,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 01:01:25,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 01:01:25,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 01:01:25,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 01:01:25,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:25" (1/1) ... [2021-12-16 01:01:25,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d2730c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:25, skipping insertion in model container [2021-12-16 01:01:25,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:25" (1/1) ... [2021-12-16 01:01:25,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 01:01:25,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 01:01:25,696 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_product50.cil.c[1605,1618] [2021-12-16 01:01:25,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:01:25,791 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 01:01:25,805 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_product50.cil.c[1605,1618] [2021-12-16 01:01:25,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:01:25,870 INFO L208 MainTranslator]: Completed translation [2021-12-16 01:01:25,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:25 WrapperNode [2021-12-16 01:01:25,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 01:01:25,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 01:01:25,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 01:01:25,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 01:01:25,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:25" (1/1) ... [2021-12-16 01:01:25,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:25" (1/1) ... [2021-12-16 01:01:25,927 INFO L137 Inliner]: procedures = 58, calls = 158, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 265 [2021-12-16 01:01:25,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 01:01:25,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 01:01:25,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 01:01:25,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 01:01:25,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:25" (1/1) ... [2021-12-16 01:01:25,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:25" (1/1) ... [2021-12-16 01:01:25,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:25" (1/1) ... [2021-12-16 01:01:25,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:25" (1/1) ... [2021-12-16 01:01:25,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:25" (1/1) ... [2021-12-16 01:01:25,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:25" (1/1) ... [2021-12-16 01:01:25,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:25" (1/1) ... [2021-12-16 01:01:25,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 01:01:25,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 01:01:25,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 01:01:25,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 01:01:25,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:25" (1/1) ... [2021-12-16 01:01:25,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:01:25,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:25,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 01:01:25,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 01:01:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 01:01:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 01:01:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 01:01:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 01:01:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 01:01:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 01:01:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 01:01:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 01:01:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 01:01:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 01:01:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 01:01:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-16 01:01:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-16 01:01:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 01:01:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 01:01:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 01:01:26,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 01:01:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 01:01:26,067 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 01:01:26,069 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 01:01:26,309 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 01:01:26,314 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 01:01:26,314 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 01:01:26,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:26 BoogieIcfgContainer [2021-12-16 01:01:26,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 01:01:26,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 01:01:26,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 01:01:26,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 01:01:26,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:01:25" (1/3) ... [2021-12-16 01:01:26,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759d883b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:26, skipping insertion in model container [2021-12-16 01:01:26,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:25" (2/3) ... [2021-12-16 01:01:26,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759d883b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:26, skipping insertion in model container [2021-12-16 01:01:26,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:26" (3/3) ... [2021-12-16 01:01:26,322 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2021-12-16 01:01:26,325 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 01:01:26,326 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 01:01:26,369 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 01:01:26,378 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 01:01:26,379 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 01:01:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-16 01:01:26,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-16 01:01:26,412 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:26,413 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] [2021-12-16 01:01:26,414 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:26,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:26,418 INFO L85 PathProgramCache]: Analyzing trace with hash 58300630, now seen corresponding path program 1 times [2021-12-16 01:01:26,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:26,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608916536] [2021-12-16 01:01:26,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:26,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:26,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 01:01:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:26,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 01:01:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:26,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:26,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:26,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608916536] [2021-12-16 01:01:26,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608916536] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:26,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:26,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 01:01:26,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18997988] [2021-12-16 01:01:26,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:26,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 01:01:26,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:26,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 01:01:26,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 01:01:26,655 INFO L87 Difference]: Start difference. First operand has 93 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) 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) [2021-12-16 01:01:26,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:26,683 INFO L93 Difference]: Finished difference Result 177 states and 240 transitions. [2021-12-16 01:01:26,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 01:01:26,685 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 [2021-12-16 01:01:26,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:26,691 INFO L225 Difference]: With dead ends: 177 [2021-12-16 01:01:26,692 INFO L226 Difference]: Without dead ends: 84 [2021-12-16 01:01:26,694 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 [2021-12-16 01:01:26,696 INFO L933 BasicCegarLoop]: 117 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, 117 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:26,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:26,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-12-16 01:01:26,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-12-16 01:01:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 72 states have internal predecessors, (85), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-16 01:01:26,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2021-12-16 01:01:26,730 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 32 [2021-12-16 01:01:26,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:26,731 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2021-12-16 01:01:26,731 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) [2021-12-16 01:01:26,731 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2021-12-16 01:01:26,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-16 01:01:26,733 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:26,733 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] [2021-12-16 01:01:26,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 01:01:26,733 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:26,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:26,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1182453555, now seen corresponding path program 1 times [2021-12-16 01:01:26,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:26,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042733161] [2021-12-16 01:01:26,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:26,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:26,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 01:01:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 01:01:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:26,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:26,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:26,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042733161] [2021-12-16 01:01:26,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042733161] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:26,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:26,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:26,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950483624] [2021-12-16 01:01:26,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:26,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:26,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:26,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:26,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:26,825 INFO L87 Difference]: Start difference. First operand 84 states and 108 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) [2021-12-16 01:01:26,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:26,836 INFO L93 Difference]: Finished difference Result 132 states and 170 transitions. [2021-12-16 01:01:26,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:26,840 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 [2021-12-16 01:01:26,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:26,841 INFO L225 Difference]: With dead ends: 132 [2021-12-16 01:01:26,842 INFO L226 Difference]: Without dead ends: 75 [2021-12-16 01:01:26,843 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 [2021-12-16 01:01:26,844 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 13 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:26,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:26,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-16 01:01:26,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-12-16 01:01:26,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-16 01:01:26,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2021-12-16 01:01:26,851 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 33 [2021-12-16 01:01:26,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:26,851 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2021-12-16 01:01:26,851 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) [2021-12-16 01:01:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2021-12-16 01:01:26,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-16 01:01:26,853 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:26,853 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] [2021-12-16 01:01:26,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 01:01:26,853 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:26,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:26,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1082286122, now seen corresponding path program 1 times [2021-12-16 01:01:26,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:26,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286147007] [2021-12-16 01:01:26,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:26,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:26,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:26,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 01:01:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:26,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:26,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286147007] [2021-12-16 01:01:26,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286147007] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:26,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:26,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:26,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462374659] [2021-12-16 01:01:26,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:26,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:26,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:26,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:26,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:26,919 INFO L87 Difference]: Start difference. First operand 75 states and 96 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) [2021-12-16 01:01:26,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:26,944 INFO L93 Difference]: Finished difference Result 142 states and 185 transitions. [2021-12-16 01:01:26,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:26,944 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 [2021-12-16 01:01:26,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:26,945 INFO L225 Difference]: With dead ends: 142 [2021-12-16 01:01:26,945 INFO L226 Difference]: Without dead ends: 75 [2021-12-16 01:01:26,946 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 [2021-12-16 01:01:26,947 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 86 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:26,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 94 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:26,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-16 01:01:26,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-12-16 01:01:26,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-16 01:01:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2021-12-16 01:01:26,954 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 38 [2021-12-16 01:01:26,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:26,963 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2021-12-16 01:01:26,963 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) [2021-12-16 01:01:26,964 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2021-12-16 01:01:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-16 01:01:26,966 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:26,966 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] [2021-12-16 01:01:26,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 01:01:26,967 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:26,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:26,970 INFO L85 PathProgramCache]: Analyzing trace with hash 605778703, now seen corresponding path program 1 times [2021-12-16 01:01:26,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:26,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111310748] [2021-12-16 01:01:26,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:26,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 01:01:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 01:01:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 01:01:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:27,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:27,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111310748] [2021-12-16 01:01:27,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111310748] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:27,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:27,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 01:01:27,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241297792] [2021-12-16 01:01:27,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:27,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 01:01:27,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:27,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 01:01:27,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:27,088 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-16 01:01:27,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:27,240 INFO L93 Difference]: Finished difference Result 221 states and 282 transitions. [2021-12-16 01:01:27,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 01:01:27,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 48 [2021-12-16 01:01:27,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:27,249 INFO L225 Difference]: With dead ends: 221 [2021-12-16 01:01:27,249 INFO L226 Difference]: Without dead ends: 154 [2021-12-16 01:01:27,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-16 01:01:27,251 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 175 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:27,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 321 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:27,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-12-16 01:01:27,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 148. [2021-12-16 01:01:27,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 115 states have (on average 1.2695652173913043) internal successors, (146), 122 states have internal predecessors, (146), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2021-12-16 01:01:27,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 183 transitions. [2021-12-16 01:01:27,272 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 183 transitions. Word has length 48 [2021-12-16 01:01:27,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:27,272 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 183 transitions. [2021-12-16 01:01:27,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-16 01:01:27,272 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 183 transitions. [2021-12-16 01:01:27,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-16 01:01:27,273 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:27,273 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:27,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 01:01:27,274 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:27,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:27,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1075912719, now seen corresponding path program 1 times [2021-12-16 01:01:27,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:27,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485416124] [2021-12-16 01:01:27,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:27,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 01:01:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 01:01:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:27,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:27,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485416124] [2021-12-16 01:01:27,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485416124] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:27,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:27,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:27,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342086959] [2021-12-16 01:01:27,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:27,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:27,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:27,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:27,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:27,350 INFO L87 Difference]: Start difference. First operand 148 states and 183 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:27,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:27,469 INFO L93 Difference]: Finished difference Result 296 states and 370 transitions. [2021-12-16 01:01:27,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 01:01:27,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2021-12-16 01:01:27,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:27,471 INFO L225 Difference]: With dead ends: 296 [2021-12-16 01:01:27,471 INFO L226 Difference]: Without dead ends: 156 [2021-12-16 01:01:27,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-16 01:01:27,481 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 66 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:27,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 401 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:27,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-12-16 01:01:27,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 151. [2021-12-16 01:01:27,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 125 states have internal predecessors, (149), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2021-12-16 01:01:27,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 186 transitions. [2021-12-16 01:01:27,494 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 186 transitions. Word has length 52 [2021-12-16 01:01:27,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:27,494 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 186 transitions. [2021-12-16 01:01:27,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:27,495 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2021-12-16 01:01:27,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-16 01:01:27,496 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:27,496 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:27,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 01:01:27,496 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:27,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:27,497 INFO L85 PathProgramCache]: Analyzing trace with hash -613031023, now seen corresponding path program 1 times [2021-12-16 01:01:27,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:27,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333605123] [2021-12-16 01:01:27,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:27,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 01:01:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 01:01:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:27,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:27,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333605123] [2021-12-16 01:01:27,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333605123] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:27,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:27,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:27,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142317402] [2021-12-16 01:01:27,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:27,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:27,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:27,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:27,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:27,547 INFO L87 Difference]: Start difference. First operand 151 states and 186 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-16 01:01:27,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:27,628 INFO L93 Difference]: Finished difference Result 304 states and 381 transitions. [2021-12-16 01:01:27,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 01:01:27,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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 52 [2021-12-16 01:01:27,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:27,630 INFO L225 Difference]: With dead ends: 304 [2021-12-16 01:01:27,630 INFO L226 Difference]: Without dead ends: 161 [2021-12-16 01:01:27,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 01:01:27,635 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 148 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:27,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 308 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:27,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-12-16 01:01:27,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2021-12-16 01:01:27,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 120 states have (on average 1.2583333333333333) internal successors, (151), 127 states have internal predecessors, (151), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2021-12-16 01:01:27,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 188 transitions. [2021-12-16 01:01:27,651 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 188 transitions. Word has length 52 [2021-12-16 01:01:27,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:27,651 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 188 transitions. [2021-12-16 01:01:27,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-16 01:01:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2021-12-16 01:01:27,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-16 01:01:27,653 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:27,653 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:27,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 01:01:27,653 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:27,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:27,654 INFO L85 PathProgramCache]: Analyzing trace with hash -190329197, now seen corresponding path program 1 times [2021-12-16 01:01:27,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:27,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253983727] [2021-12-16 01:01:27,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:27,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 01:01:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 01:01:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:27,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:27,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253983727] [2021-12-16 01:01:27,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253983727] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:27,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:27,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 01:01:27,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624790193] [2021-12-16 01:01:27,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:27,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 01:01:27,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:27,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 01:01:27,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:27,712 INFO L87 Difference]: Start difference. First operand 153 states and 188 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:27,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:27,849 INFO L93 Difference]: Finished difference Result 438 states and 558 transitions. [2021-12-16 01:01:27,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 01:01:27,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2021-12-16 01:01:27,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:27,851 INFO L225 Difference]: With dead ends: 438 [2021-12-16 01:01:27,852 INFO L226 Difference]: Without dead ends: 293 [2021-12-16 01:01:27,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-16 01:01:27,853 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 211 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:27,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 330 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:27,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-12-16 01:01:27,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 285. [2021-12-16 01:01:27,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 220 states have (on average 1.240909090909091) internal successors, (273), 231 states have internal predecessors, (273), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (49), 34 states have call predecessors, (49), 34 states have call successors, (49) [2021-12-16 01:01:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 356 transitions. [2021-12-16 01:01:27,885 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 356 transitions. Word has length 52 [2021-12-16 01:01:27,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:27,885 INFO L470 AbstractCegarLoop]: Abstraction has 285 states and 356 transitions. [2021-12-16 01:01:27,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:27,886 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 356 transitions. [2021-12-16 01:01:27,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-16 01:01:27,887 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:27,887 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] [2021-12-16 01:01:27,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 01:01:27,888 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:27,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:27,888 INFO L85 PathProgramCache]: Analyzing trace with hash 2088078071, now seen corresponding path program 1 times [2021-12-16 01:01:27,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:27,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343737616] [2021-12-16 01:01:27,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:27,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 01:01:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 01:01:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 01:01:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:27,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 01:01:27,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:27,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343737616] [2021-12-16 01:01:27,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343737616] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:27,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:27,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 01:01:27,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139527992] [2021-12-16 01:01:27,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:27,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 01:01:27,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:27,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 01:01:27,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 01:01:27,964 INFO L87 Difference]: Start difference. First operand 285 states and 356 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 01:01:28,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:28,141 INFO L93 Difference]: Finished difference Result 578 states and 733 transitions. [2021-12-16 01:01:28,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 01:01:28,142 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 54 [2021-12-16 01:01:28,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:28,143 INFO L225 Difference]: With dead ends: 578 [2021-12-16 01:01:28,144 INFO L226 Difference]: Without dead ends: 301 [2021-12-16 01:01:28,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-16 01:01:28,145 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 106 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:28,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 449 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:28,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-12-16 01:01:28,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 281. [2021-12-16 01:01:28,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 216 states have (on average 1.2083333333333333) internal successors, (261), 227 states have internal predecessors, (261), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (49), 34 states have call predecessors, (49), 34 states have call successors, (49) [2021-12-16 01:01:28,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 344 transitions. [2021-12-16 01:01:28,161 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 344 transitions. Word has length 54 [2021-12-16 01:01:28,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:28,161 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 344 transitions. [2021-12-16 01:01:28,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 01:01:28,161 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 344 transitions. [2021-12-16 01:01:28,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-16 01:01:28,162 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:28,162 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:28,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 01:01:28,163 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:28,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:28,163 INFO L85 PathProgramCache]: Analyzing trace with hash -312737299, now seen corresponding path program 1 times [2021-12-16 01:01:28,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:28,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600614871] [2021-12-16 01:01:28,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:28,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:28,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 01:01:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:28,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 01:01:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:28,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 01:01:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:28,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:28,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600614871] [2021-12-16 01:01:28,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600614871] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:28,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:28,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-16 01:01:28,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470157742] [2021-12-16 01:01:28,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:28,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 01:01:28,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:28,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 01:01:28,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-16 01:01:28,270 INFO L87 Difference]: Start difference. First operand 281 states and 344 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-16 01:01:28,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:28,866 INFO L93 Difference]: Finished difference Result 833 states and 1056 transitions. [2021-12-16 01:01:28,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-16 01:01:28,867 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2021-12-16 01:01:28,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:28,870 INFO L225 Difference]: With dead ends: 833 [2021-12-16 01:01:28,870 INFO L226 Difference]: Without dead ends: 611 [2021-12-16 01:01:28,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=743, Unknown=0, NotChecked=0, Total=930 [2021-12-16 01:01:28,872 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 500 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:28,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [506 Valid, 806 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 01:01:28,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2021-12-16 01:01:28,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 522. [2021-12-16 01:01:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 403 states have (on average 1.2034739454094292) internal successors, (485), 425 states have internal predecessors, (485), 61 states have call successors, (61), 51 states have call predecessors, (61), 57 states have return successors, (85), 61 states have call predecessors, (85), 61 states have call successors, (85) [2021-12-16 01:01:28,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 631 transitions. [2021-12-16 01:01:28,894 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 631 transitions. Word has length 56 [2021-12-16 01:01:28,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:28,894 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 631 transitions. [2021-12-16 01:01:28,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-16 01:01:28,895 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 631 transitions. [2021-12-16 01:01:28,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-16 01:01:28,896 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:28,896 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:28,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 01:01:28,896 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:28,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:28,897 INFO L85 PathProgramCache]: Analyzing trace with hash -514851068, now seen corresponding path program 1 times [2021-12-16 01:01:28,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:28,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840835708] [2021-12-16 01:01:28,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:28,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:28,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 01:01:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:28,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:28,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 01:01:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 01:01:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:28,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 01:01:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:28,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 01:01:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-16 01:01:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:28,977 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-12-16 01:01:28,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:28,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840835708] [2021-12-16 01:01:28,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840835708] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 01:01:28,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705418183] [2021-12-16 01:01:28,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:28,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 01:01:28,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:28,980 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 01:01:28,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 01:01:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:29,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 01:01:29,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 01:01:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 01:01:29,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 01:01:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-16 01:01:29,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705418183] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 01:01:29,578 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 01:01:29,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 13 [2021-12-16 01:01:29,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713378286] [2021-12-16 01:01:29,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 01:01:29,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-16 01:01:29,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:29,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-16 01:01:29,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-12-16 01:01:29,579 INFO L87 Difference]: Start difference. First operand 522 states and 631 transitions. Second operand has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 9 states have internal predecessors, (114), 4 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2021-12-16 01:01:30,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:30,297 INFO L93 Difference]: Finished difference Result 1165 states and 1447 transitions. [2021-12-16 01:01:30,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-16 01:01:30,298 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 9 states have internal predecessors, (114), 4 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) Word has length 98 [2021-12-16 01:01:30,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:30,301 INFO L225 Difference]: With dead ends: 1165 [2021-12-16 01:01:30,301 INFO L226 Difference]: Without dead ends: 700 [2021-12-16 01:01:30,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=299, Invalid=1183, Unknown=0, NotChecked=0, Total=1482 [2021-12-16 01:01:30,303 INFO L933 BasicCegarLoop]: 220 mSDtfsCounter, 304 mSDsluCounter, 1422 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1642 SdHoareTripleChecker+Invalid, 1105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:30,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [311 Valid, 1642 Invalid, 1105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 01:01:30,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2021-12-16 01:01:30,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 592. [2021-12-16 01:01:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 454 states have (on average 1.198237885462555) internal successors, (544), 483 states have internal predecessors, (544), 71 states have call successors, (71), 61 states have call predecessors, (71), 66 states have return successors, (91), 68 states have call predecessors, (91), 71 states have call successors, (91) [2021-12-16 01:01:30,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 706 transitions. [2021-12-16 01:01:30,328 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 706 transitions. Word has length 98 [2021-12-16 01:01:30,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:30,328 INFO L470 AbstractCegarLoop]: Abstraction has 592 states and 706 transitions. [2021-12-16 01:01:30,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 9 states have internal predecessors, (114), 4 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2021-12-16 01:01:30,329 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 706 transitions. [2021-12-16 01:01:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-16 01:01:30,330 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:30,330 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:30,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 01:01:30,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-16 01:01:30,548 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:30,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:30,548 INFO L85 PathProgramCache]: Analyzing trace with hash 2133918754, now seen corresponding path program 1 times [2021-12-16 01:01:30,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:30,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287937881] [2021-12-16 01:01:30,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:30,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 01:01:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 01:01:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-16 01:01:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 01:01:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 01:01:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 01:01:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 01:01:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 01:01:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-16 01:01:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 01:01:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,697 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 72 proven. 5 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-12-16 01:01:30,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:30,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287937881] [2021-12-16 01:01:30,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287937881] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 01:01:30,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611040553] [2021-12-16 01:01:30,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:30,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 01:01:30,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:30,711 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 01:01:30,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 01:01:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:30,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-16 01:01:30,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 01:01:31,145 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 144 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-16 01:01:31,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 01:01:31,633 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 82 proven. 44 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-12-16 01:01:31,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611040553] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 01:01:31,633 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 01:01:31,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2021-12-16 01:01:31,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63979219] [2021-12-16 01:01:31,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 01:01:31,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-16 01:01:31,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:31,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-16 01:01:31,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2021-12-16 01:01:31,635 INFO L87 Difference]: Start difference. First operand 592 states and 706 transitions. Second operand has 25 states, 25 states have (on average 8.76) internal successors, (219), 22 states have internal predecessors, (219), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) [2021-12-16 01:01:32,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:32,362 INFO L93 Difference]: Finished difference Result 1257 states and 1548 transitions. [2021-12-16 01:01:32,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-16 01:01:32,363 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.76) internal successors, (219), 22 states have internal predecessors, (219), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) Word has length 176 [2021-12-16 01:01:32,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:32,364 INFO L225 Difference]: With dead ends: 1257 [2021-12-16 01:01:32,364 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 01:01:32,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 369 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=483, Invalid=1773, Unknown=0, NotChecked=0, Total=2256 [2021-12-16 01:01:32,367 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 761 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:32,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [764 Valid, 908 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 01:01:32,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 01:01:32,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 01:01:32,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 01:01:32,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 01:01:32,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2021-12-16 01:01:32,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:32,368 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 01:01:32,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.76) internal successors, (219), 22 states have internal predecessors, (219), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) [2021-12-16 01:01:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 01:01:32,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 01:01:32,371 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 01:01:32,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 01:01:32,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-16 01:01:32,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 01:01:37,067 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 102 108) no Hoare annotation was computed. [2021-12-16 01:01:37,068 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 102 108) the Hoare annotation is: true [2021-12-16 01:01:37,068 INFO L858 garLoopResultBuilder]: For program point L381-1(lines 377 388) no Hoare annotation was computed. [2021-12-16 01:01:37,068 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 377 388) the Hoare annotation is: true [2021-12-16 01:01:37,068 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 377 388) no Hoare annotation was computed. [2021-12-16 01:01:37,068 INFO L858 garLoopResultBuilder]: For program point L929(line 929) no Hoare annotation was computed. [2021-12-16 01:01:37,068 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 908 937) no Hoare annotation was computed. [2021-12-16 01:01:37,068 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 908 937) the Hoare annotation is: true [2021-12-16 01:01:37,068 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 926) no Hoare annotation was computed. [2021-12-16 01:01:37,068 INFO L861 garLoopResultBuilder]: At program point L922-1(lines 922 926) the Hoare annotation is: true [2021-12-16 01:01:37,068 INFO L858 garLoopResultBuilder]: For program point L919(line 919) no Hoare annotation was computed. [2021-12-16 01:01:37,068 INFO L861 garLoopResultBuilder]: At program point L918-2(lines 918 932) the Hoare annotation is: true [2021-12-16 01:01:37,068 INFO L861 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: true [2021-12-16 01:01:37,068 INFO L858 garLoopResultBuilder]: For program point L914-1(line 914) no Hoare annotation was computed. [2021-12-16 01:01:37,068 INFO L861 garLoopResultBuilder]: At program point L933(lines 908 937) the Hoare annotation is: true [2021-12-16 01:01:37,069 INFO L854 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-16 01:01:37,069 INFO L854 garLoopResultBuilder]: At program point L155-1(lines 136 160) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse13 (<= ~waterLevel~0 1)) (.cse11 (<= 1 ~pumpRunning~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (= ~systemActive~0 1))) (let ((.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse8 (and .cse12 .cse2 .cse13 .cse11 .cse4 .cse14)) (.cse9 (and .cse12 (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse13 .cse14 .cse5)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse10 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) (not (< 1 |old(~waterLevel~0)|)) (and .cse2 .cse3 .cse5) .cse6)) (or (not (= |old(~waterLevel~0)| 1)) .cse7 .cse1 .cse8 .cse9 .cse6) (or .cse0 .cse7 .cse1 .cse8 (and .cse2 .cse10 .cse5) .cse9 (and .cse2 .cse10 .cse4) .cse6) (or .cse0 (and .cse10 .cse5) .cse1 (and (= ~waterLevel~0 2) .cse10 .cse11) (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-16 01:01:37,069 INFO L858 garLoopResultBuilder]: For program point L89-1(lines 89 95) no Hoare annotation was computed. [2021-12-16 01:01:37,069 INFO L854 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse17 (<= ~waterLevel~0 1)) (.cse18 (= ~systemActive~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse14 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0))) (let ((.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse15 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2)) (.cse2 (and .cse5 .cse16 (not (= 0 |old(~pumpRunning~0)|)) .cse11 .cse17 .cse18 .cse8 .cse14)) (.cse4 (and .cse16 .cse5 .cse11 .cse17 (<= 1 ~pumpRunning~0) .cse13 .cse18 .cse14)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 .cse7 .cse8) .cse1 .cse9 (not (<= |old(~waterLevel~0)| 1))) (let ((.cse12 (= ~waterLevel~0 1))) (or .cse10 .cse1 (and .cse5 .cse11 .cse12 .cse13 .cse14) .cse15 (and .cse5 .cse11 .cse12 .cse8 .cse14) .cse3)) (or .cse10 .cse1 .cse9 .cse15) (or .cse10 (and .cse5 .cse11 .cse6 .cse7 .cse8) .cse0 .cse1 (and .cse5 .cse11 .cse6 .cse13 .cse7) .cse2 .cse4 .cse3)))) [2021-12-16 01:01:37,069 INFO L858 garLoopResultBuilder]: For program point L849-1(line 849) no Hoare annotation was computed. [2021-12-16 01:01:37,069 INFO L854 garLoopResultBuilder]: At program point L267(lines 252 270) the Hoare annotation is: (let ((.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0) .cse4 (= ~systemActive~0 1))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 1)) (and .cse3 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse4) .cse5) (or .cse6 .cse1 (and .cse3 (= ~waterLevel~0 1) .cse4) (not (< 1 |old(~waterLevel~0)|)) .cse5) (or .cse6 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse5)))) [2021-12-16 01:01:37,070 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 75 101) no Hoare annotation was computed. [2021-12-16 01:01:37,070 INFO L854 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0) .cse3 (= ~systemActive~0 1))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) (not (< 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse5 .cse1 .cse6 (and .cse2 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4)))) [2021-12-16 01:01:37,070 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 88) no Hoare annotation was computed. [2021-12-16 01:01:37,070 INFO L858 garLoopResultBuilder]: For program point L82-2(lines 78 100) no Hoare annotation was computed. [2021-12-16 01:01:37,070 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 152) no Hoare annotation was computed. [2021-12-16 01:01:37,070 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 157) no Hoare annotation was computed. [2021-12-16 01:01:37,070 INFO L854 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0)) .cse3 (not (= |old(~pumpRunning~0)| 0))) (or (and .cse1 .cse2 .cse4) .cse0 .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse5) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 (and .cse1 .cse4 .cse2) (not (<= |old(~waterLevel~0)| 1)) .cse5))) [2021-12-16 01:01:37,070 INFO L858 garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed. [2021-12-16 01:01:37,070 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-16 01:01:37,071 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 861) no Hoare annotation was computed. [2021-12-16 01:01:37,071 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 864) no Hoare annotation was computed. [2021-12-16 01:01:37,071 INFO L854 garLoopResultBuilder]: At program point L174(lines 169 176) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (not (= 0 |old(~pumpRunning~0)|)) .cse2 (<= ~waterLevel~0 1) (= ~systemActive~0 1) .cse3)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse5 .cse1 (and .cse2 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse6 .cse4)))) [2021-12-16 01:01:37,071 INFO L854 garLoopResultBuilder]: At program point L847-1(lines 839 867) the Hoare annotation is: (let ((.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (= ~pumpRunning~0 0)) (.cse6 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse18 (<= ~waterLevel~0 1)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse19 (<= 1 ~pumpRunning~0)) (.cse12 (= ~systemActive~0 1)) (.cse10 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (and .cse6 .cse20 .cse7 .cse18 .cse9 .cse19 .cse12 .cse10)) (.cse3 (and .cse6 .cse20 .cse11 .cse7 .cse18 .cse12 .cse13 .cse10)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse15 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2)) (.cse14 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (let ((.cse8 (= ~waterLevel~0 1))) (or .cse5 .cse1 (and .cse6 .cse7 .cse8 .cse9 .cse10) (not (< 1 |old(~waterLevel~0)|)) .cse4 (and .cse6 .cse11 .cse7 .cse8 .cse12 .cse13 .cse10))) (or .cse0 .cse1 (and .cse11 .cse6 .cse7 .cse14 .cse15 .cse12 .cse13) (and .cse6 .cse7 .cse14 .cse9 .cse15) .cse2 .cse3 (not (<= |old(~waterLevel~0)| 1)) .cse4) (let ((.cse16 (= |timeShift_getWaterLevel_#res#1| 2)) (.cse17 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2))) (or .cse5 (and .cse16 .cse17 .cse14 (<= 2 ~waterLevel~0) .cse13) .cse1 (not (= |old(~pumpRunning~0)| 0)) (and .cse6 .cse18 .cse14 .cse9 .cse15) (and .cse16 (= ~waterLevel~0 2) .cse17 .cse14 .cse19)))))) [2021-12-16 01:01:37,071 INFO L854 garLoopResultBuilder]: At program point L426(lines 421 429) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse13 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse3 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (<= ~waterLevel~0 1)) (.cse11 (<= 1 ~pumpRunning~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse15 (= ~systemActive~0 1))) (let ((.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (and .cse13 .cse3 .cse4 .cse14 .cse11 .cse7 .cse15)) (.cse8 (and .cse3 .cse13 (not (= 0 |old(~pumpRunning~0)|)) .cse4 .cse14 .cse15 .cse6)) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse5 .cse7) (not (<= |old(~waterLevel~0)| 1)) .cse8 .cse9) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse9 .cse8) (or .cse10 .cse1 (and (= |timeShift_getWaterLevel_#res#1| 2) (= ~waterLevel~0 2) .cse5 .cse11) (not (= |old(~pumpRunning~0)| 0)) (and .cse3 .cse5 .cse6)) (let ((.cse12 (= ~waterLevel~0 1))) (or (and .cse3 .cse4 .cse12 .cse6) .cse10 .cse1 (and .cse3 .cse4 .cse12 .cse7) (not (< 1 |old(~waterLevel~0)|)) .cse9))))) [2021-12-16 01:01:37,071 INFO L858 garLoopResultBuilder]: For program point L261(lines 261 265) no Hoare annotation was computed. [2021-12-16 01:01:37,071 INFO L858 garLoopResultBuilder]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2021-12-16 01:01:37,072 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2))) [2021-12-16 01:01:37,072 INFO L854 garLoopResultBuilder]: At program point L150(line 150) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0) .cse3 (= ~systemActive~0 1))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) (not (< 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse5 .cse1 .cse6 (and .cse2 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4)))) [2021-12-16 01:01:37,072 INFO L858 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2021-12-16 01:01:37,072 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 75 101) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0)) .cse3 (not (= |old(~pumpRunning~0)| 0))) (or (and .cse1 .cse2 .cse4) .cse0 .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse5) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 (and .cse1 .cse4 .cse2) (not (<= |old(~waterLevel~0)| 1)) .cse5))) [2021-12-16 01:01:37,072 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 75 101) no Hoare annotation was computed. [2021-12-16 01:01:37,072 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-12-16 01:01:37,072 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2021-12-16 01:01:37,073 INFO L854 garLoopResultBuilder]: At program point L836(lines 829 838) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (and (<= 1 ~switchedOnBeforeTS~0) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (and .cse1 (= ~pumpRunning~0 0)) .cse2 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 .cse4) (or .cse2 .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4)))) [2021-12-16 01:01:37,073 INFO L854 garLoopResultBuilder]: At program point L357-2(lines 353 364) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0) .cse3 (= ~systemActive~0 1))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) (not (< 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse5 .cse1 .cse6 (and .cse2 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4)))) [2021-12-16 01:01:37,073 INFO L854 garLoopResultBuilder]: At program point L894(lines 890 896) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:37,073 INFO L854 garLoopResultBuilder]: At program point L341(lines 292 342) the Hoare annotation is: false [2021-12-16 01:01:37,073 INFO L861 garLoopResultBuilder]: At program point L977(lines 969 979) the Hoare annotation is: true [2021-12-16 01:01:37,073 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 01:01:37,073 INFO L858 garLoopResultBuilder]: For program point L990(lines 990 997) no Hoare annotation was computed. [2021-12-16 01:01:37,073 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 01:01:37,074 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 01:01:37,074 INFO L858 garLoopResultBuilder]: For program point L990-2(lines 990 997) no Hoare annotation was computed. [2021-12-16 01:01:37,074 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 319) no Hoare annotation was computed. [2021-12-16 01:01:37,074 INFO L858 garLoopResultBuilder]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2021-12-16 01:01:37,074 INFO L854 garLoopResultBuilder]: At program point L887(lines 883 889) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:37,074 INFO L854 garLoopResultBuilder]: At program point L276(lines 271 278) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 (= ~waterLevel~0 2) .cse1 .cse2) (and .cse0 (< 1 ~waterLevel~0) .cse3 .cse4 .cse1) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4 .cse1))) [2021-12-16 01:01:37,074 INFO L854 garLoopResultBuilder]: At program point L338(lines 293 340) the Hoare annotation is: (let ((.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 .cse1 .cse3 .cse5) (and .cse0 .cse4 .cse2 .cse3))) [2021-12-16 01:01:37,074 INFO L854 garLoopResultBuilder]: At program point L305(line 305) the Hoare annotation is: (let ((.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 .cse1 .cse3 .cse5) (and .cse0 .cse4 .cse2 .cse3))) [2021-12-16 01:01:37,074 INFO L861 garLoopResultBuilder]: At program point L999(lines 980 1002) the Hoare annotation is: true [2021-12-16 01:01:37,075 INFO L854 garLoopResultBuilder]: At program point L966(lines 962 968) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:37,075 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 01:01:37,075 INFO L854 garLoopResultBuilder]: At program point L826(lines 821 828) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:37,075 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2021-12-16 01:01:37,075 INFO L854 garLoopResultBuilder]: At program point L331-2(lines 323 336) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 (= ~waterLevel~0 2) .cse1 .cse2) (and .cse0 (< 1 ~waterLevel~0) .cse3 .cse4 .cse1) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4 .cse1))) [2021-12-16 01:01:37,075 INFO L858 garLoopResultBuilder]: For program point L294(lines 293 340) no Hoare annotation was computed. [2021-12-16 01:01:37,075 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 336) no Hoare annotation was computed. [2021-12-16 01:01:37,075 INFO L854 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)) (and .cse0 (< 1 ~waterLevel~0) .cse3 .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 .cse2))) [2021-12-16 01:01:37,075 INFO L861 garLoopResultBuilder]: At program point L344(lines 283 348) the Hoare annotation is: true [2021-12-16 01:01:37,075 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 309) no Hoare annotation was computed. [2021-12-16 01:01:37,075 INFO L858 garLoopResultBuilder]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2021-12-16 01:01:37,075 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2021-12-16 01:01:37,076 INFO L854 garLoopResultBuilder]: At program point L902(lines 897 905) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:37,076 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 110 134) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-16 01:01:37,076 INFO L854 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 |old(~pumpRunning~0)|))) (or (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0))))) [2021-12-16 01:01:37,077 INFO L854 garLoopResultBuilder]: At program point L248(lines 233 251) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse1 (not (<= ~waterLevel~0 2)) .cse2 (= ~pumpRunning~0 0)) (or .cse0 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse1 .cse2))) [2021-12-16 01:01:37,077 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 126) no Hoare annotation was computed. [2021-12-16 01:01:37,077 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 131) no Hoare annotation was computed. [2021-12-16 01:01:37,077 INFO L858 garLoopResultBuilder]: For program point L434(lines 434 440) no Hoare annotation was computed. [2021-12-16 01:01:37,077 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 246) no Hoare annotation was computed. [2021-12-16 01:01:37,078 INFO L858 garLoopResultBuilder]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2021-12-16 01:01:37,078 INFO L854 garLoopResultBuilder]: At program point L166(lines 161 168) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1 (<= 1 ~pumpRunning~0)) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse2 .cse0 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse0 .cse1))) [2021-12-16 01:01:37,078 INFO L854 garLoopResultBuilder]: At program point L129(line 129) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse2 .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse0 .cse1))) [2021-12-16 01:01:37,078 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 110 134) no Hoare annotation was computed. [2021-12-16 01:01:37,078 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 110 134) no Hoare annotation was computed. [2021-12-16 01:01:37,078 INFO L854 garLoopResultBuilder]: At program point L439(lines 430 443) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse1 (not (<= ~waterLevel~0 2)) .cse2 (= ~pumpRunning~0 0)) (or .cse0 .cse1 .cse2 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|)))) [2021-12-16 01:01:37,078 INFO L858 garLoopResultBuilder]: For program point L369-1(lines 365 376) no Hoare annotation was computed. [2021-12-16 01:01:37,078 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 365 376) no Hoare annotation was computed. [2021-12-16 01:01:37,078 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 365 376) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 .cse5 .cse2 .cse4) (or .cse1 .cse5 .cse2 .cse3))) [2021-12-16 01:01:37,078 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2021-12-16 01:01:37,078 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2021-12-16 01:01:37,078 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2021-12-16 01:01:37,080 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:37,081 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 01:01:37,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:01:37 BoogieIcfgContainer [2021-12-16 01:01:37,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 01:01:37,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 01:01:37,104 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 01:01:37,105 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 01:01:37,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:26" (3/4) ... [2021-12-16 01:01:37,107 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 01:01:37,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 01:01:37,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 01:01:37,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 01:01:37,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 01:01:37,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 01:01:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 01:01:37,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-16 01:01:37,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-16 01:01:37,123 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 01:01:37,123 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 01:01:37,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 01:01:37,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 01:01:37,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:01:37,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:01:37,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:37,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:37,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((((waterLevel == \result && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && systemActive == 1) && tmp <= waterLevel)) || (((((((waterLevel == \result && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0) && tmp <= waterLevel)) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((((waterLevel == \result && 1 <= switchedOnBeforeTS) && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && tmp <= waterLevel)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((((((waterLevel == \result && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel == 1) && systemActive == 1) && pumpRunning == 0) && tmp <= waterLevel))) && (((((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || ((((((!(0 == \old(pumpRunning)) && waterLevel == \result) && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && tmp < 2) && systemActive == 1) && pumpRunning == 0)) || ((((waterLevel == \result && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp < 2)) || (((((((waterLevel == \result && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && systemActive == 1) && tmp <= waterLevel)) || (((((((waterLevel == \result && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0) && tmp <= waterLevel)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || ((((\result == 2 && tmp == 2) && waterLevel == \old(waterLevel)) && 2 <= waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((((waterLevel == \result && waterLevel <= 1) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp < 2)) || ((((\result == 2 && waterLevel == 2) && tmp == 2) && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) [2021-12-16 01:01:37,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || (((((waterLevel + 1 <= \old(waterLevel) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || (((((waterLevel + 1 <= \old(waterLevel) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) [2021-12-16 01:01:37,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:37,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || ((((((waterLevel + 1 <= \old(waterLevel) && waterLevel == \result) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || (((waterLevel == \result && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || (((waterLevel == \result && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(\old(waterLevel) <= 1)) || ((((((waterLevel == \result && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((((((waterLevel + 1 <= \old(waterLevel) && waterLevel == \result) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || !(1 <= \old(pumpRunning))) || ((((((waterLevel == \result && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || (((\result == 2 && waterLevel == 2) && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) || ((waterLevel == \result && waterLevel == \old(waterLevel)) && pumpRunning == 0))) && ((((((((waterLevel == \result && 1 <= switchedOnBeforeTS) && waterLevel == 1) && pumpRunning == 0) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || (((waterLevel == \result && 1 <= switchedOnBeforeTS) && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:37,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:37,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0)) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || 1 <= \result) [2021-12-16 01:01:37,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || !(\old(waterLevel) <= 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:37,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0)) && (((!(waterLevel <= 1) || (tmp___0 == 0 && \result == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) [2021-12-16 01:01:37,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || (((((waterLevel + 1 <= \old(waterLevel) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:37,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(waterLevel == 2)) || !(\old(pumpRunning) == 0)) || 1 <= pumpRunning) && (((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(waterLevel <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) [2021-12-16 01:01:37,170 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 01:01:37,170 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 01:01:37,170 INFO L158 Benchmark]: Toolchain (without parser) took 11645.10ms. Allocated memory was 90.2MB in the beginning and 174.1MB in the end (delta: 83.9MB). Free memory was 58.5MB in the beginning and 120.5MB in the end (delta: -61.9MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2021-12-16 01:01:37,170 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 90.2MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 01:01:37,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.30ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 58.3MB in the end (delta: 38.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 01:01:37,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.51ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 55.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:37,171 INFO L158 Benchmark]: Boogie Preprocessor took 27.37ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 54.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:37,172 INFO L158 Benchmark]: RCFGBuilder took 360.02ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 54.1MB in the beginning and 91.7MB in the end (delta: -37.5MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2021-12-16 01:01:37,172 INFO L158 Benchmark]: TraceAbstraction took 10787.06ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 91.1MB in the beginning and 127.8MB in the end (delta: -36.7MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2021-12-16 01:01:37,172 INFO L158 Benchmark]: Witness Printer took 65.60ms. Allocated memory is still 174.1MB. Free memory was 127.8MB in the beginning and 120.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 01:01:37,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 90.2MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.30ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 58.3MB in the end (delta: 38.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.51ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 55.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.37ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 54.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.02ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 54.1MB in the beginning and 91.7MB in the end (delta: -37.5MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10787.06ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 91.1MB in the beginning and 127.8MB in the end (delta: -36.7MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. * Witness Printer took 65.60ms. Allocated memory is still 174.1MB. Free memory was 127.8MB in the beginning and 120.5MB in the end (delta: 7.3MB). 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: 54]: 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 8 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2411 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2370 mSDsluCounter, 5549 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4156 mSDsCounter, 710 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3173 IncrementalHoareTripleChecker+Invalid, 3883 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 710 mSolverCounterUnsat, 1393 mSDtfsCounter, 3173 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 822 GetRequests, 662 SyntacticMatches, 7 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=592occurred in iteration=10, InterpolantAutomatonStates: 138, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 244 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1363 PreInvPairs, 1644 NumberOfFragments, 2655 HoareAnnotationTreeSize, 1363 FomulaSimplifications, 4190 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 43 FomulaSimplificationsInter, 24915 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 965 NumberOfCodeBlocks, 965 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1224 ConstructedInterpolants, 0 QuantifiedInterpolants, 2474 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1163 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 646/717 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: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && waterLevel == 2) && systemActive == 1) && pumpRunning == 0) || ((((splverifierCounter == 0 && 1 < waterLevel) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == 1)) || (((splverifierCounter == 0 && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || ((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == 1) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || (((((waterLevel + 1 <= \old(waterLevel) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || (((((waterLevel + 1 <= \old(waterLevel) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(waterLevel == 2)) || !(\old(pumpRunning) == 0)) || 1 <= pumpRunning) && (((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(waterLevel <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: 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 <= 1) && systemActive == 1) && pumpRunning == 0)) || (((splverifierCounter == 0 && waterLevel == 2) && 1 <= pumpRunning) && systemActive == 1) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (((((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || !(\old(waterLevel) <= 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((waterLevel + 1 <= \old(waterLevel) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || (((((waterLevel + 1 <= \old(waterLevel) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: (((((((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || ((((((waterLevel + 1 <= \old(waterLevel) && waterLevel == \result) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || (((waterLevel == \result && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || (((waterLevel == \result && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(\old(waterLevel) <= 1)) || ((((((waterLevel == \result && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((((((waterLevel + 1 <= \old(waterLevel) && waterLevel == \result) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && systemActive == 1)) || !(1 <= \old(pumpRunning))) || ((((((waterLevel == \result && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || (((\result == 2 && waterLevel == 2) && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) || ((waterLevel == \result && waterLevel == \old(waterLevel)) && pumpRunning == 0))) && ((((((((waterLevel == \result && 1 <= switchedOnBeforeTS) && waterLevel == 1) && pumpRunning == 0) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || (((waterLevel == \result && 1 <= switchedOnBeforeTS) && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0)) && (((!(waterLevel <= 1) || (tmp___0 == 0 && \result == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((((((waterLevel == \result && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && systemActive == 1) && tmp <= waterLevel)) || (((((((waterLevel == \result && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0) && tmp <= waterLevel)) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((((waterLevel == \result && 1 <= switchedOnBeforeTS) && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && tmp <= waterLevel)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((((((waterLevel == \result && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel == 1) && systemActive == 1) && pumpRunning == 0) && tmp <= waterLevel))) && (((((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || ((((((!(0 == \old(pumpRunning)) && waterLevel == \result) && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && tmp < 2) && systemActive == 1) && pumpRunning == 0)) || ((((waterLevel == \result && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp < 2)) || (((((((waterLevel == \result && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && systemActive == 1) && tmp <= waterLevel)) || (((((((waterLevel == \result && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0) && tmp <= waterLevel)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || ((((\result == 2 && tmp == 2) && waterLevel == \old(waterLevel)) && 2 <= waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((((waterLevel == \result && waterLevel <= 1) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp < 2)) || ((((\result == 2 && waterLevel == 2) && tmp == 2) && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0)) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || 1 <= \result) RESULT: Ultimate proved your program to be correct! [2021-12-16 01:01:37,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE