./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product64.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_spec4_product64.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 0f3f23173af8ffbfd6ca2d826b937f078be2c112e64596739bc9740bb061a5d2 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:09:15,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:09:15,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:09:15,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:09:15,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:09:15,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:09:15,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:09:15,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:09:15,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:09:15,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:09:15,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:09:15,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:09:15,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:09:15,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:09:15,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:09:15,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:09:15,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:09:15,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:09:15,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:09:15,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:09:15,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:09:15,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:09:15,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:09:15,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:09:15,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:09:15,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:09:15,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:09:15,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:09:15,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:09:15,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:09:15,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:09:15,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:09:15,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:09:15,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:09:15,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:09:15,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:09:15,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:09:15,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:09:15,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:09:15,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:09:15,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:09:15,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:09:15,871 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:09:15,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:09:15,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:09:15,872 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:09:15,873 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:09:15,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:09:15,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:09:15,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:09:15,873 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:09:15,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:09:15,874 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:09:15,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:09:15,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:09:15,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:09:15,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:09:15,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:09:15,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:09:15,874 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:09:15,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:09:15,875 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:09:15,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:09:15,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:09:15,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:09:15,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:09:15,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:15,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:09:15,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:09:15,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:09:15,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:09:15,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:09:15,876 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:09:15,876 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:09:15,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:09:15,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:09:15,876 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3f23173af8ffbfd6ca2d826b937f078be2c112e64596739bc9740bb061a5d2 [2021-12-17 15:09:16,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:09:16,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:09:16,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:09:16,087 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:09:16,087 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:09:16,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2021-12-17 15:09:16,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4528edb0/21769f59645b4d29b5b879df24527b46/FLAGfa4af8854 [2021-12-17 15:09:16,581 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:09:16,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2021-12-17 15:09:16,595 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4528edb0/21769f59645b4d29b5b879df24527b46/FLAGfa4af8854 [2021-12-17 15:09:16,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4528edb0/21769f59645b4d29b5b879df24527b46 [2021-12-17 15:09:16,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:09:16,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:09:16,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:16,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:09:16,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:09:16,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:16" (1/1) ... [2021-12-17 15:09:16,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30dcdf7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:16, skipping insertion in model container [2021-12-17 15:09:16,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:16" (1/1) ... [2021-12-17 15:09:16,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:09:17,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:09:17,124 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_spec4_product64.cil.c[2897,2910] [2021-12-17 15:09:17,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:17,226 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:09:17,244 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_spec4_product64.cil.c[2897,2910] [2021-12-17 15:09:17,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:17,319 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:09:17,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:17 WrapperNode [2021-12-17 15:09:17,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:17,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:17,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:09:17,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:09:17,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:17" (1/1) ... [2021-12-17 15:09:17,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:17" (1/1) ... [2021-12-17 15:09:17,360 INFO L137 Inliner]: procedures = 59, calls = 163, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 297 [2021-12-17 15:09:17,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:17,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:09:17,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:09:17,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:09:17,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:17" (1/1) ... [2021-12-17 15:09:17,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:17" (1/1) ... [2021-12-17 15:09:17,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:17" (1/1) ... [2021-12-17 15:09:17,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:17" (1/1) ... [2021-12-17 15:09:17,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:17" (1/1) ... [2021-12-17 15:09:17,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:17" (1/1) ... [2021-12-17 15:09:17,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:17" (1/1) ... [2021-12-17 15:09:17,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:09:17,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:09:17,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:09:17,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:09:17,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:17" (1/1) ... [2021-12-17 15:09:17,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:17,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:17,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 15:09:17,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 15:09:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:09:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:09:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:09:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:09:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:09:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:09:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:09:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:09:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:09:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:09:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:09:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:09:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:09:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-17 15:09:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-17 15:09:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-17 15:09:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-17 15:09:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:09:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:09:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:09:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:09:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:09:17,509 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:09:17,511 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:09:17,739 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:09:17,744 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:09:17,744 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:09:17,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:17 BoogieIcfgContainer [2021-12-17 15:09:17,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:09:17,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:09:17,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:09:17,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:09:17,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:09:16" (1/3) ... [2021-12-17 15:09:17,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da1ddb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:17, skipping insertion in model container [2021-12-17 15:09:17,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:17" (2/3) ... [2021-12-17 15:09:17,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da1ddb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:17, skipping insertion in model container [2021-12-17 15:09:17,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:17" (3/3) ... [2021-12-17 15:09:17,760 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product64.cil.c [2021-12-17 15:09:17,767 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:09:17,767 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:09:17,807 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:09:17,813 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 15:09:17,814 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:09:17,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 80 states have (on average 1.375) internal successors, (110), 91 states have internal predecessors, (110), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2021-12-17 15:09:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-17 15:09:17,843 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:17,844 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:17,844 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:17,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:17,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1842892420, now seen corresponding path program 1 times [2021-12-17 15:09:17,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:17,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498164665] [2021-12-17 15:09:17,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:17,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:18,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:18,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:18,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498164665] [2021-12-17 15:09:18,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498164665] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:18,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:18,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:09:18,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729221221] [2021-12-17 15:09:18,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:18,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:09:18,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:18,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:09:18,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:18,039 INFO L87 Difference]: Start difference. First operand has 108 states, 80 states have (on average 1.375) internal successors, (110), 91 states have internal predecessors, (110), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:09:18,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:18,085 INFO L93 Difference]: Finished difference Result 208 states and 283 transitions. [2021-12-17 15:09:18,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:09:18,094 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-12-17 15:09:18,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:18,106 INFO L225 Difference]: With dead ends: 208 [2021-12-17 15:09:18,106 INFO L226 Difference]: Without dead ends: 99 [2021-12-17 15:09:18,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:18,114 INFO L933 BasicCegarLoop]: 138 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, 138 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:18,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:18,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-12-17 15:09:18,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-12-17 15:09:18,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 83 states have internal predecessors, (96), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2021-12-17 15:09:18,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 129 transitions. [2021-12-17 15:09:18,163 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 129 transitions. Word has length 19 [2021-12-17 15:09:18,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:18,164 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 129 transitions. [2021-12-17 15:09:18,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:09:18,165 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 129 transitions. [2021-12-17 15:09:18,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-17 15:09:18,167 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:18,168 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:18,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:09:18,168 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:18,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:18,172 INFO L85 PathProgramCache]: Analyzing trace with hash 750568636, now seen corresponding path program 1 times [2021-12-17 15:09:18,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:18,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061968093] [2021-12-17 15:09:18,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:18,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:18,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:18,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061968093] [2021-12-17 15:09:18,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061968093] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:18,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:18,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:18,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933392690] [2021-12-17 15:09:18,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:18,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:18,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:18,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:18,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:18,252 INFO L87 Difference]: Start difference. First operand 99 states and 129 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:09:18,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:18,266 INFO L93 Difference]: Finished difference Result 159 states and 207 transitions. [2021-12-17 15:09:18,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:18,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-12-17 15:09:18,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:18,273 INFO L225 Difference]: With dead ends: 159 [2021-12-17 15:09:18,273 INFO L226 Difference]: Without dead ends: 90 [2021-12-17 15:09:18,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:18,280 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 17 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:18,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:18,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-12-17 15:09:18,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2021-12-17 15:09:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 67 states have (on average 1.328358208955224) internal successors, (89), 77 states have internal predecessors, (89), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-17 15:09:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 117 transitions. [2021-12-17 15:09:18,302 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 117 transitions. Word has length 20 [2021-12-17 15:09:18,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:18,302 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 117 transitions. [2021-12-17 15:09:18,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:09:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 117 transitions. [2021-12-17 15:09:18,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-17 15:09:18,304 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:18,304 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:18,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:09:18,305 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:18,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:18,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1483068035, now seen corresponding path program 1 times [2021-12-17 15:09:18,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:18,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236808389] [2021-12-17 15:09:18,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:18,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:18,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:18,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236808389] [2021-12-17 15:09:18,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236808389] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:18,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:18,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:18,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026280513] [2021-12-17 15:09:18,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:18,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:18,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:18,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:18,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:18,363 INFO L87 Difference]: Start difference. First operand 90 states and 117 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:09:18,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:18,387 INFO L93 Difference]: Finished difference Result 254 states and 336 transitions. [2021-12-17 15:09:18,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:18,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-12-17 15:09:18,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:18,389 INFO L225 Difference]: With dead ends: 254 [2021-12-17 15:09:18,390 INFO L226 Difference]: Without dead ends: 171 [2021-12-17 15:09:18,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:18,391 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 109 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:18,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 245 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:18,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-12-17 15:09:18,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2021-12-17 15:09:18,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 123 states have (on average 1.3495934959349594) internal successors, (166), 142 states have internal predecessors, (166), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28) [2021-12-17 15:09:18,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 222 transitions. [2021-12-17 15:09:18,410 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 222 transitions. Word has length 25 [2021-12-17 15:09:18,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:18,411 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 222 transitions. [2021-12-17 15:09:18,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:09:18,411 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 222 transitions. [2021-12-17 15:09:18,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-17 15:09:18,415 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:18,416 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:18,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:09:18,416 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:18,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:18,417 INFO L85 PathProgramCache]: Analyzing trace with hash 417349686, now seen corresponding path program 1 times [2021-12-17 15:09:18,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:18,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273749862] [2021-12-17 15:09:18,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:18,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:18,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:18,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:18,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273749862] [2021-12-17 15:09:18,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273749862] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:18,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:18,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 15:09:18,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984139274] [2021-12-17 15:09:18,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:18,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:09:18,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:18,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:09:18,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:09:18,496 INFO L87 Difference]: Start difference. First operand 168 states and 222 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:09:18,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:18,578 INFO L93 Difference]: Finished difference Result 478 states and 655 transitions. [2021-12-17 15:09:18,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 15:09:18,579 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-12-17 15:09:18,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:18,586 INFO L225 Difference]: With dead ends: 478 [2021-12-17 15:09:18,586 INFO L226 Difference]: Without dead ends: 317 [2021-12-17 15:09:18,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:09:18,592 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 88 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:18,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 476 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:18,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-12-17 15:09:18,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2021-12-17 15:09:18,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 230 states have (on average 1.3304347826086957) internal successors, (306), 265 states have internal predecessors, (306), 56 states have call successors, (56), 32 states have call predecessors, (56), 30 states have return successors, (58), 32 states have call predecessors, (58), 56 states have call successors, (58) [2021-12-17 15:09:18,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 420 transitions. [2021-12-17 15:09:18,614 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 420 transitions. Word has length 28 [2021-12-17 15:09:18,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:18,614 INFO L470 AbstractCegarLoop]: Abstraction has 317 states and 420 transitions. [2021-12-17 15:09:18,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:09:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 420 transitions. [2021-12-17 15:09:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-17 15:09:18,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:18,615 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:18,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:09:18,615 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:18,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:18,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1384596677, now seen corresponding path program 1 times [2021-12-17 15:09:18,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:18,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623965319] [2021-12-17 15:09:18,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:18,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:18,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:18,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:18,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623965319] [2021-12-17 15:09:18,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623965319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:18,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:18,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:09:18,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087406057] [2021-12-17 15:09:18,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:18,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:18,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:18,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:18,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:18,646 INFO L87 Difference]: Start difference. First operand 317 states and 420 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:09:18,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:18,698 INFO L93 Difference]: Finished difference Result 757 states and 1019 transitions. [2021-12-17 15:09:18,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:18,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-12-17 15:09:18,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:18,704 INFO L225 Difference]: With dead ends: 757 [2021-12-17 15:09:18,704 INFO L226 Difference]: Without dead ends: 447 [2021-12-17 15:09:18,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:18,706 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 68 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:18,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 192 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:18,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-12-17 15:09:18,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 438. [2021-12-17 15:09:18,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 331 states have (on average 1.2719033232628398) internal successors, (421), 357 states have internal predecessors, (421), 55 states have call successors, (55), 51 states have call predecessors, (55), 51 states have return successors, (79), 50 states have call predecessors, (79), 55 states have call successors, (79) [2021-12-17 15:09:18,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 555 transitions. [2021-12-17 15:09:18,763 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 555 transitions. Word has length 30 [2021-12-17 15:09:18,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:18,763 INFO L470 AbstractCegarLoop]: Abstraction has 438 states and 555 transitions. [2021-12-17 15:09:18,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:09:18,763 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 555 transitions. [2021-12-17 15:09:18,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:09:18,764 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:18,765 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:18,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:09:18,765 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:18,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:18,765 INFO L85 PathProgramCache]: Analyzing trace with hash -263887204, now seen corresponding path program 1 times [2021-12-17 15:09:18,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:18,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736511212] [2021-12-17 15:09:18,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:18,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:18,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:09:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:18,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:18,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:18,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736511212] [2021-12-17 15:09:18,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736511212] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:18,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:18,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:18,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435218859] [2021-12-17 15:09:18,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:18,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:18,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:18,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:18,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:18,848 INFO L87 Difference]: Start difference. First operand 438 states and 555 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:09:19,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:19,073 INFO L93 Difference]: Finished difference Result 528 states and 676 transitions. [2021-12-17 15:09:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-17 15:09:19,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2021-12-17 15:09:19,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:19,075 INFO L225 Difference]: With dead ends: 528 [2021-12-17 15:09:19,075 INFO L226 Difference]: Without dead ends: 526 [2021-12-17 15:09:19,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:09:19,076 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 159 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:19,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 415 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:09:19,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2021-12-17 15:09:19,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 500. [2021-12-17 15:09:19,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 377 states have (on average 1.2625994694960212) internal successors, (476), 413 states have internal predecessors, (476), 63 states have call successors, (63), 51 states have call predecessors, (63), 59 states have return successors, (99), 56 states have call predecessors, (99), 63 states have call successors, (99) [2021-12-17 15:09:19,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 638 transitions. [2021-12-17 15:09:19,096 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 638 transitions. Word has length 32 [2021-12-17 15:09:19,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:19,096 INFO L470 AbstractCegarLoop]: Abstraction has 500 states and 638 transitions. [2021-12-17 15:09:19,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:09:19,096 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 638 transitions. [2021-12-17 15:09:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-17 15:09:19,097 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:19,097 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:19,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:09:19,098 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:19,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:19,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1319585392, now seen corresponding path program 1 times [2021-12-17 15:09:19,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:19,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672162422] [2021-12-17 15:09:19,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:19,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:19,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:09:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:19,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:09:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:19,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:19,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:09:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:19,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:19,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:19,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672162422] [2021-12-17 15:09:19,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672162422] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:19,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:19,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 15:09:19,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474590550] [2021-12-17 15:09:19,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:19,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:09:19,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:19,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:09:19,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:09:19,159 INFO L87 Difference]: Start difference. First operand 500 states and 638 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:09:19,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:19,442 INFO L93 Difference]: Finished difference Result 1115 states and 1476 transitions. [2021-12-17 15:09:19,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 15:09:19,442 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2021-12-17 15:09:19,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:19,446 INFO L225 Difference]: With dead ends: 1115 [2021-12-17 15:09:19,446 INFO L226 Difference]: Without dead ends: 622 [2021-12-17 15:09:19,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:09:19,449 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 164 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:19,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 387 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:09:19,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2021-12-17 15:09:19,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 560. [2021-12-17 15:09:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 427 states have (on average 1.2459016393442623) internal successors, (532), 463 states have internal predecessors, (532), 63 states have call successors, (63), 51 states have call predecessors, (63), 69 states have return successors, (113), 64 states have call predecessors, (113), 63 states have call successors, (113) [2021-12-17 15:09:19,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 708 transitions. [2021-12-17 15:09:19,475 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 708 transitions. Word has length 56 [2021-12-17 15:09:19,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:19,476 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 708 transitions. [2021-12-17 15:09:19,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:09:19,487 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 708 transitions. [2021-12-17 15:09:19,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-17 15:09:19,489 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:19,490 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:19,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:09:19,490 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:19,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:19,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1185571886, now seen corresponding path program 1 times [2021-12-17 15:09:19,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:19,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709656116] [2021-12-17 15:09:19,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:19,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:19,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:09:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:19,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:09:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:19,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:19,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:09:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:19,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:19,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709656116] [2021-12-17 15:09:19,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709656116] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:19,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:19,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 15:09:19,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055977619] [2021-12-17 15:09:19,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:19,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:09:19,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:19,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:09:19,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:09:19,571 INFO L87 Difference]: Start difference. First operand 560 states and 708 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:09:19,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:19,944 INFO L93 Difference]: Finished difference Result 1093 states and 1415 transitions. [2021-12-17 15:09:19,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 15:09:19,944 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2021-12-17 15:09:19,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:19,947 INFO L225 Difference]: With dead ends: 1093 [2021-12-17 15:09:19,947 INFO L226 Difference]: Without dead ends: 540 [2021-12-17 15:09:19,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-12-17 15:09:19,949 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 442 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:19,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 401 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 15:09:19,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2021-12-17 15:09:19,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 432. [2021-12-17 15:09:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 327 states have (on average 1.2446483180428134) internal successors, (407), 354 states have internal predecessors, (407), 52 states have call successors, (52), 42 states have call predecessors, (52), 52 states have return successors, (84), 49 states have call predecessors, (84), 52 states have call successors, (84) [2021-12-17 15:09:19,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 543 transitions. [2021-12-17 15:09:19,973 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 543 transitions. Word has length 56 [2021-12-17 15:09:19,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:19,973 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 543 transitions. [2021-12-17 15:09:19,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:09:19,974 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 543 transitions. [2021-12-17 15:09:19,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-17 15:09:19,974 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:19,975 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:19,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:09:19,975 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:19,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:19,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1247611500, now seen corresponding path program 1 times [2021-12-17 15:09:19,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:19,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835132428] [2021-12-17 15:09:19,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:19,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:09:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:09:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:09:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:20,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:20,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835132428] [2021-12-17 15:09:20,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835132428] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:20,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:20,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 15:09:20,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830130297] [2021-12-17 15:09:20,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:20,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:09:20,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:20,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:09:20,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:09:20,040 INFO L87 Difference]: Start difference. First operand 432 states and 543 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:09:20,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:20,364 INFO L93 Difference]: Finished difference Result 986 states and 1313 transitions. [2021-12-17 15:09:20,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-17 15:09:20,364 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2021-12-17 15:09:20,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:20,371 INFO L225 Difference]: With dead ends: 986 [2021-12-17 15:09:20,371 INFO L226 Difference]: Without dead ends: 655 [2021-12-17 15:09:20,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-12-17 15:09:20,372 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 253 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:20,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 502 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:09:20,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2021-12-17 15:09:20,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 630. [2021-12-17 15:09:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 481 states have (on average 1.2203742203742203) internal successors, (587), 515 states have internal predecessors, (587), 73 states have call successors, (73), 61 states have call predecessors, (73), 75 states have return successors, (147), 76 states have call predecessors, (147), 73 states have call successors, (147) [2021-12-17 15:09:20,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 807 transitions. [2021-12-17 15:09:20,392 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 807 transitions. Word has length 56 [2021-12-17 15:09:20,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:20,393 INFO L470 AbstractCegarLoop]: Abstraction has 630 states and 807 transitions. [2021-12-17 15:09:20,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:09:20,393 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 807 transitions. [2021-12-17 15:09:20,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-12-17 15:09:20,394 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:20,394 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:20,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 15:09:20,394 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:20,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:20,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1964802955, now seen corresponding path program 1 times [2021-12-17 15:09:20,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:20,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122774675] [2021-12-17 15:09:20,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:20,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:09:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-17 15:09:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:09:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:09:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,462 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:20,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:20,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122774675] [2021-12-17 15:09:20,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122774675] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:20,462 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:20,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 15:09:20,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347814008] [2021-12-17 15:09:20,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:20,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:09:20,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:20,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:09:20,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:09:20,464 INFO L87 Difference]: Start difference. First operand 630 states and 807 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-17 15:09:20,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:20,656 INFO L93 Difference]: Finished difference Result 1047 states and 1339 transitions. [2021-12-17 15:09:20,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 15:09:20,656 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 79 [2021-12-17 15:09:20,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:20,658 INFO L225 Difference]: With dead ends: 1047 [2021-12-17 15:09:20,658 INFO L226 Difference]: Without dead ends: 424 [2021-12-17 15:09:20,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:09:20,660 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 224 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:20,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 359 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:20,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2021-12-17 15:09:20,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 407. [2021-12-17 15:09:20,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 314 states have (on average 1.21656050955414) internal successors, (382), 337 states have internal predecessors, (382), 46 states have call successors, (46), 40 states have call predecessors, (46), 46 states have return successors, (84), 47 states have call predecessors, (84), 46 states have call successors, (84) [2021-12-17 15:09:20,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 512 transitions. [2021-12-17 15:09:20,673 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 512 transitions. Word has length 79 [2021-12-17 15:09:20,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:20,674 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 512 transitions. [2021-12-17 15:09:20,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-17 15:09:20,674 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 512 transitions. [2021-12-17 15:09:20,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-17 15:09:20,679 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:20,679 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:20,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 15:09:20,680 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:20,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:20,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1661930304, now seen corresponding path program 1 times [2021-12-17 15:09:20,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:20,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305998793] [2021-12-17 15:09:20,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:20,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:09:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:09:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:09:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:09:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-17 15:09:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-17 15:09:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-17 15:09:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-17 15:09:20,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:20,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305998793] [2021-12-17 15:09:20,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305998793] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:09:20,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973223655] [2021-12-17 15:09:20,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:20,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:09:20,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:20,798 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:09:20,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 15:09:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:20,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 15:09:20,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:09:21,107 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:21,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:09:21,272 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-17 15:09:21,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973223655] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:09:21,273 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:09:21,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 9 [2021-12-17 15:09:21,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215576977] [2021-12-17 15:09:21,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:09:21,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 15:09:21,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:21,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 15:09:21,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:09:21,275 INFO L87 Difference]: Start difference. First operand 407 states and 512 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 6 states have internal predecessors, (101), 3 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-17 15:09:21,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:21,808 INFO L93 Difference]: Finished difference Result 968 states and 1279 transitions. [2021-12-17 15:09:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-17 15:09:21,808 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 6 states have internal predecessors, (101), 3 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 103 [2021-12-17 15:09:21,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:21,811 INFO L225 Difference]: With dead ends: 968 [2021-12-17 15:09:21,811 INFO L226 Difference]: Without dead ends: 641 [2021-12-17 15:09:21,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 227 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2021-12-17 15:09:21,812 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 292 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:21,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 649 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 15:09:21,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2021-12-17 15:09:21,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 557. [2021-12-17 15:09:21,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 425 states have (on average 1.223529411764706) internal successors, (520), 458 states have internal predecessors, (520), 66 states have call successors, (66), 57 states have call predecessors, (66), 65 states have return successors, (128), 63 states have call predecessors, (128), 66 states have call successors, (128) [2021-12-17 15:09:21,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 714 transitions. [2021-12-17 15:09:21,831 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 714 transitions. Word has length 103 [2021-12-17 15:09:21,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:21,831 INFO L470 AbstractCegarLoop]: Abstraction has 557 states and 714 transitions. [2021-12-17 15:09:21,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 6 states have internal predecessors, (101), 3 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-17 15:09:21,832 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 714 transitions. [2021-12-17 15:09:21,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-17 15:09:21,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:21,833 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-12-17 15:09:21,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 15:09:22,043 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,SelfDestructingSolverStorable10 [2021-12-17 15:09:22,044 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:22,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:22,044 INFO L85 PathProgramCache]: Analyzing trace with hash 745596908, now seen corresponding path program 2 times [2021-12-17 15:09:22,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:22,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238570249] [2021-12-17 15:09:22,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:22,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:09:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:09:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:09:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:09:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-17 15:09:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-17 15:09:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-17 15:09:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-17 15:09:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-17 15:09:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-17 15:09:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,230 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-17 15:09:22,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:22,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238570249] [2021-12-17 15:09:22,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238570249] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:09:22,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406639867] [2021-12-17 15:09:22,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-17 15:09:22,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:09:22,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:22,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:09:22,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 15:09:22,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-17 15:09:22,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 15:09:22,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-17 15:09:22,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:09:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-17 15:09:22,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:09:22,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406639867] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:22,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:09:22,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 15 [2021-12-17 15:09:22,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360181561] [2021-12-17 15:09:22,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:22,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:22,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:22,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:22,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-12-17 15:09:22,540 INFO L87 Difference]: Start difference. First operand 557 states and 714 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 3 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-17 15:09:22,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:22,744 INFO L93 Difference]: Finished difference Result 1473 states and 1967 transitions. [2021-12-17 15:09:22,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-17 15:09:22,744 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 3 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 150 [2021-12-17 15:09:22,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:22,748 INFO L225 Difference]: With dead ends: 1473 [2021-12-17 15:09:22,748 INFO L226 Difference]: Without dead ends: 995 [2021-12-17 15:09:22,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 174 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-12-17 15:09:22,750 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 202 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:22,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 788 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:22,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2021-12-17 15:09:22,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 972. [2021-12-17 15:09:22,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 744 states have (on average 1.2231182795698925) internal successors, (910), 792 states have internal predecessors, (910), 111 states have call successors, (111), 100 states have call predecessors, (111), 116 states have return successors, (207), 113 states have call predecessors, (207), 111 states have call successors, (207) [2021-12-17 15:09:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1228 transitions. [2021-12-17 15:09:22,802 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1228 transitions. Word has length 150 [2021-12-17 15:09:22,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:22,803 INFO L470 AbstractCegarLoop]: Abstraction has 972 states and 1228 transitions. [2021-12-17 15:09:22,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 3 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-17 15:09:22,803 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1228 transitions. [2021-12-17 15:09:22,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-17 15:09:22,807 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:22,807 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-12-17 15:09:22,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-17 15:09:23,019 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,SelfDestructingSolverStorable11 [2021-12-17 15:09:23,019 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:23,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:23,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1699537066, now seen corresponding path program 1 times [2021-12-17 15:09:23,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:23,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133458244] [2021-12-17 15:09:23,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:23,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:09:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:09:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:09:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:09:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-17 15:09:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-17 15:09:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-17 15:09:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-17 15:09:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-17 15:09:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-17 15:09:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-17 15:09:23,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:23,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133458244] [2021-12-17 15:09:23,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133458244] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:09:23,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776594303] [2021-12-17 15:09:23,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:23,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:09:23,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:23,120 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:09:23,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 15:09:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-17 15:09:23,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:09:23,372 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-17 15:09:23,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:09:23,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776594303] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:23,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:09:23,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2021-12-17 15:09:23,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609736762] [2021-12-17 15:09:23,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:23,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:09:23,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:23,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:09:23,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:09:23,373 INFO L87 Difference]: Start difference. First operand 972 states and 1228 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-17 15:09:23,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:23,412 INFO L93 Difference]: Finished difference Result 1348 states and 1689 transitions. [2021-12-17 15:09:23,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 15:09:23,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 150 [2021-12-17 15:09:23,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:23,413 INFO L225 Difference]: With dead ends: 1348 [2021-12-17 15:09:23,413 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:09:23,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-12-17 15:09:23,415 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 9 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:23,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 443 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:23,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:09:23,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:09:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:09:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:09:23,416 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2021-12-17 15:09:23,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:23,416 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:09:23,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-17 15:09:23,416 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:09:23,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:09:23,418 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:09:23,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 15:09:23,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:09:23,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:09:25,760 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 406 413) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (= 0 ~systemActive~0) .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0)) .cse0))) [2021-12-17 15:09:25,760 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 406 413) no Hoare annotation was computed. [2021-12-17 15:09:25,760 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 406 413) no Hoare annotation was computed. [2021-12-17 15:09:25,760 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 296 302) no Hoare annotation was computed. [2021-12-17 15:09:25,760 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 296 302) the Hoare annotation is: true [2021-12-17 15:09:25,760 INFO L858 garLoopResultBuilder]: For program point L928-1(lines 924 935) no Hoare annotation was computed. [2021-12-17 15:09:25,761 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 924 935) the Hoare annotation is: true [2021-12-17 15:09:25,761 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 924 935) no Hoare annotation was computed. [2021-12-17 15:09:25,761 INFO L854 garLoopResultBuilder]: At program point L159(lines 154 161) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or .cse2 .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2021-12-17 15:09:25,761 INFO L858 garLoopResultBuilder]: For program point L283-1(lines 283 289) no Hoare annotation was computed. [2021-12-17 15:09:25,761 INFO L854 garLoopResultBuilder]: At program point L370(line 370) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or .cse2 .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0))))) [2021-12-17 15:09:25,761 INFO L854 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or .cse2 .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0))))) [2021-12-17 15:09:25,761 INFO L854 garLoopResultBuilder]: At program point L973(lines 968 976) the Hoare annotation is: (let ((.cse6 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse1 (= |timeShift_getWaterLevel_#res#1| 1)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse3 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 (and .cse6 .cse7)) (or (and .cse7 .cse8) .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 (and (<= 1 ~waterLevel~0) .cse9 .cse8) .cse5 (and .cse6 (<= 2 ~waterLevel~0))) (or (and .cse1 .cse7 .cse8) .cse0 .cse5 .cse2) (or .cse4 .cse2 .cse9 .cse3))) [2021-12-17 15:09:25,761 INFO L854 garLoopResultBuilder]: At program point L362(line 362) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or .cse2 .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0))))) [2021-12-17 15:09:25,761 INFO L858 garLoopResultBuilder]: For program point L362-1(line 362) no Hoare annotation was computed. [2021-12-17 15:09:25,761 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 272 295) no Hoare annotation was computed. [2021-12-17 15:09:25,761 INFO L854 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2) .cse3 .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse3 (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2)))) [2021-12-17 15:09:25,761 INFO L854 garLoopResultBuilder]: At program point L375-1(lines 356 380) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 (not (<= 1 |old(~waterLevel~0)|)) (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse4) .cse1 .cse3) (or .cse0 (and (<= 1 ~waterLevel~0) .cse4) .cse1 (<= 2 ~waterLevel~0)))) [2021-12-17 15:09:25,761 INFO L858 garLoopResultBuilder]: For program point L276-1(lines 275 294) no Hoare annotation was computed. [2021-12-17 15:09:25,761 INFO L858 garLoopResultBuilder]: For program point L177(lines 177 183) no Hoare annotation was computed. [2021-12-17 15:09:25,762 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 186) no Hoare annotation was computed. [2021-12-17 15:09:25,762 INFO L854 garLoopResultBuilder]: At program point L173-1(lines 165 189) the Hoare annotation is: (let ((.cse2 (<= 2 |timeShift___utac_acc__Specification4_spec__1_~tmp~1#1|)) (.cse3 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse4 (<= 2 ~waterLevel~0)) (.cse15 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= ~pumpRunning~0 0))) (let ((.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (<= 1 |timeShift___utac_acc__Specification4_spec__1_~tmp~1#1|)) (.cse6 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse12 (and .cse15 .cse7)) (.cse1 (not (= 1 ~systemActive~0))) (.cse13 (not (<= 1 |old(~waterLevel~0)|))) (.cse11 (and .cse2 .cse3 .cse15 .cse4)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse9 (and (= |timeShift_getWaterLevel_#res#1| 1) (= |timeShift___utac_acc__Specification4_spec__1_~tmp~1#1| 1))) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse14 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) (and (<= 1 ~waterLevel~0) .cse5 .cse6 .cse7)) (or .cse8 .cse1 .cse9 .cse10) (or .cse0 .cse1 .cse10 .cse11) (or .cse12 .cse10 .cse13 .cse14) (or .cse0 (and .cse5 .cse6) .cse10 .cse14) (or .cse12 .cse1 .cse10 .cse13 .cse11) (or .cse8 .cse9 .cse10 .cse14)))) [2021-12-17 15:09:25,762 INFO L858 garLoopResultBuilder]: For program point L904(lines 904 908) no Hoare annotation was computed. [2021-12-17 15:09:25,762 INFO L854 garLoopResultBuilder]: At program point L904-2(lines 900 911) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or .cse2 .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0))))) [2021-12-17 15:09:25,762 INFO L854 garLoopResultBuilder]: At program point L430(lines 425 433) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or .cse2 .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2021-12-17 15:09:25,762 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 372) no Hoare annotation was computed. [2021-12-17 15:09:25,762 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 377) no Hoare annotation was computed. [2021-12-17 15:09:25,762 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-17 15:09:25,762 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 272 295) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (and .cse0 (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 (not (<= 1 |old(~waterLevel~0)|)) (not (= ~systemActive~0 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse1 .cse3)))) [2021-12-17 15:09:25,762 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 272 295) no Hoare annotation was computed. [2021-12-17 15:09:25,762 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2021-12-17 15:09:25,762 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2021-12-17 15:09:25,762 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2021-12-17 15:09:25,762 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-12-17 15:09:25,762 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2021-12-17 15:09:25,762 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2021-12-17 15:09:25,763 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2021-12-17 15:09:25,763 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2021-12-17 15:09:25,763 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-12-17 15:09:25,763 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-17 15:09:25,763 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-12-17 15:09:25,763 INFO L854 garLoopResultBuilder]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~systemActive~0 0) .cse2 .cse3) (and .cse0 .cse2 .cse1 .cse3))) [2021-12-17 15:09:25,763 INFO L854 garLoopResultBuilder]: At program point L250(lines 203 252) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~systemActive~0 0) .cse2 .cse3) (and .cse0 .cse2 .cse1 .cse3))) [2021-12-17 15:09:25,763 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2021-12-17 15:09:25,763 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2021-12-17 15:09:25,763 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 209) no Hoare annotation was computed. [2021-12-17 15:09:25,763 INFO L854 garLoopResultBuilder]: At program point L1031(lines 1026 1034) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:25,763 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:09:25,763 INFO L854 garLoopResultBuilder]: At program point L1023(lines 1019 1025) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:25,763 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:09:25,763 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:09:25,763 INFO L854 garLoopResultBuilder]: At program point L528(lines 523 530) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (<= 1 ~waterLevel~0) .cse1 (= ~pumpRunning~0 0)))) [2021-12-17 15:09:25,763 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-12-17 15:09:25,763 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2021-12-17 15:09:25,763 INFO L854 garLoopResultBuilder]: At program point L520(lines 508 522) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:25,764 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:09:25,764 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 518) no Hoare annotation was computed. [2021-12-17 15:09:25,764 INFO L861 garLoopResultBuilder]: At program point L256(lines 193 260) the Hoare annotation is: true [2021-12-17 15:09:25,764 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 229) no Hoare annotation was computed. [2021-12-17 15:09:25,764 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 512 518) no Hoare annotation was computed. [2021-12-17 15:09:25,764 INFO L858 garLoopResultBuilder]: For program point L223-1(lines 223 229) no Hoare annotation was computed. [2021-12-17 15:09:25,764 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2021-12-17 15:09:25,764 INFO L854 garLoopResultBuilder]: At program point L1016(lines 1012 1018) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:25,764 INFO L854 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~systemActive~0 0) .cse2 .cse3) (and .cse0 .cse2 .cse1 .cse3))) [2021-12-17 15:09:25,764 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-12-17 15:09:25,764 INFO L854 garLoopResultBuilder]: At program point L253(lines 202 254) the Hoare annotation is: false [2021-12-17 15:09:25,764 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:25,764 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 247) no Hoare annotation was computed. [2021-12-17 15:09:25,764 INFO L854 garLoopResultBuilder]: At program point L241-2(lines 233 248) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~systemActive~0 0) .cse2 .cse3) (and .cse0 .cse2 .cse1 .cse3))) [2021-12-17 15:09:25,764 INFO L858 garLoopResultBuilder]: For program point L204(lines 203 252) no Hoare annotation was computed. [2021-12-17 15:09:25,764 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 248) no Hoare annotation was computed. [2021-12-17 15:09:25,765 INFO L854 garLoopResultBuilder]: At program point L514(line 514) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-12-17 15:09:25,765 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 304 328) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:25,765 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 483) no Hoare annotation was computed. [2021-12-17 15:09:25,765 INFO L854 garLoopResultBuilder]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~7#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|))) (or .cse0 (not (<= 1 ~waterLevel~0)) (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~3#1| 0) (= ~pumpRunning~0 0)) .cse1))) [2021-12-17 15:09:25,765 INFO L858 garLoopResultBuilder]: For program point L479-2(lines 479 483) no Hoare annotation was computed. [2021-12-17 15:09:25,765 INFO L858 garLoopResultBuilder]: For program point L312(lines 312 320) no Hoare annotation was computed. [2021-12-17 15:09:25,765 INFO L858 garLoopResultBuilder]: For program point L981(lines 981 987) no Hoare annotation was computed. [2021-12-17 15:09:25,765 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 325) no Hoare annotation was computed. [2021-12-17 15:09:25,765 INFO L854 garLoopResultBuilder]: At program point L323(line 323) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-12-17 15:09:25,765 INFO L858 garLoopResultBuilder]: For program point L323-1(lines 304 328) no Hoare annotation was computed. [2021-12-17 15:09:25,765 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 304 328) no Hoare annotation was computed. [2021-12-17 15:09:25,765 INFO L854 garLoopResultBuilder]: At program point L986(lines 977 990) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|)) (or .cse0 (not (<= 1 ~waterLevel~0)) .cse1 (= ~pumpRunning~0 0)))) [2021-12-17 15:09:25,765 INFO L858 garLoopResultBuilder]: For program point L396(lines 396 402) no Hoare annotation was computed. [2021-12-17 15:09:25,765 INFO L854 garLoopResultBuilder]: At program point L394(line 394) the Hoare annotation is: (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-12-17 15:09:25,765 INFO L854 garLoopResultBuilder]: At program point L396-2(lines 389 405) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-12-17 15:09:25,765 INFO L858 garLoopResultBuilder]: For program point L394-1(line 394) no Hoare annotation was computed. [2021-12-17 15:09:25,765 INFO L854 garLoopResultBuilder]: At program point L485(lines 470 488) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~waterLevel~0 1)) .cse0 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~7#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse1) .cse2) (or .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse1))) [2021-12-17 15:09:25,765 INFO L854 garLoopResultBuilder]: At program point L386(lines 381 388) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-12-17 15:09:25,766 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 912 923) no Hoare annotation was computed. [2021-12-17 15:09:25,766 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 912 923) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= ~systemActive~0 0))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse3 .cse1) (or .cse0 .cse3 .cse1 .cse2))) [2021-12-17 15:09:25,766 INFO L858 garLoopResultBuilder]: For program point L916-1(lines 912 923) no Hoare annotation was computed. [2021-12-17 15:09:25,766 INFO L854 garLoopResultBuilder]: At program point L349(line 349) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0))) [2021-12-17 15:09:25,766 INFO L858 garLoopResultBuilder]: For program point L349-1(lines 330 354) no Hoare annotation was computed. [2021-12-17 15:09:25,766 INFO L854 garLoopResultBuilder]: At program point L504(lines 489 507) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (and (<= 1 |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_#res#1|) (= |processEnvironment__wrappee__methaneQuery_isLowWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp___0~3#1|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp~8#1| 0)) .cse1))) [2021-12-17 15:09:25,766 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2021-12-17 15:09:25,766 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 502) no Hoare annotation was computed. [2021-12-17 15:09:25,766 INFO L854 garLoopResultBuilder]: At program point L996(lines 991 999) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (and (= |processEnvironment__wrappee__methaneQuery_isLowWaterSensorDry_#res#1| 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:09:25,766 INFO L854 garLoopResultBuilder]: At program point L344(line 344) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0))) [2021-12-17 15:09:25,766 INFO L854 garLoopResultBuilder]: At program point L340(line 340) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (and (<= 1 |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_#res#1|) (= |processEnvironment__wrappee__methaneQuery_isLowWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~4#1|) (<= 1 |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp___0~3#1|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp~8#1| 0)) .cse1) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:09:25,766 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 346) no Hoare annotation was computed. [2021-12-17 15:09:25,766 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 330 354) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2021-12-17 15:09:25,766 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 351) no Hoare annotation was computed. [2021-12-17 15:09:25,766 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 330 354) no Hoare annotation was computed. [2021-12-17 15:09:25,766 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 414 424) the Hoare annotation is: true [2021-12-17 15:09:25,766 INFO L861 garLoopResultBuilder]: At program point L941(lines 936 944) the Hoare annotation is: true [2021-12-17 15:09:25,766 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 414 424) no Hoare annotation was computed. [2021-12-17 15:09:25,766 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 414 424) no Hoare annotation was computed. [2021-12-17 15:09:25,769 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:25,770 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:09:25,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:09:25 BoogieIcfgContainer [2021-12-17 15:09:25,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:09:25,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:09:25,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:09:25,798 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:09:25,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:17" (3/4) ... [2021-12-17 15:09:25,800 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:09:25,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-17 15:09:25,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:09:25,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:09:25,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:09:25,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:09:25,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:09:25,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:09:25,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:09:25,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-17 15:09:25,820 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2021-12-17 15:09:25,820 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:09:25,821 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:09:25,821 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:09:25,821 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:09:25,821 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:25,822 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:25,836 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel)))) && ((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) [2021-12-17 15:09:25,837 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || waterLevel == \old(waterLevel)) || !(\old(pumpRunning) == 0)) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0))) && (((!(\old(waterLevel) == 1) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((!(2 <= \old(waterLevel)) || (1 <= waterLevel && pumpRunning == 0)) || !(1 == systemActive)) || 2 <= waterLevel) [2021-12-17 15:09:25,838 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(waterLevel) == 1) || \result == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) && (((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (2 <= \result && waterLevel == \old(waterLevel)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || !(systemActive == 0))) && (((!(2 <= \old(waterLevel)) || ((1 <= waterLevel && 1 <= \result) && pumpRunning == 0)) || !(1 == systemActive)) || (2 <= \result && 2 <= waterLevel))) && (((((\result == 1 && waterLevel == \old(waterLevel)) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((!(2 <= \old(waterLevel)) || !(\old(pumpRunning) == 0)) || 1 <= \result) || !(systemActive == 0)) [2021-12-17 15:09:25,838 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || ((2 <= tmp && 2 <= \result) && 2 <= waterLevel)) || (((1 <= waterLevel && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) && (((!(\old(waterLevel) == 1) || !(1 == systemActive)) || (\result == 1 && tmp == 1)) || !(\old(pumpRunning) == 0))) && (((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (((2 <= tmp && 2 <= \result) && waterLevel == \old(waterLevel)) && 2 <= waterLevel))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || !(systemActive == 0))) && (((!(2 <= \old(waterLevel)) || (1 <= tmp && 1 <= \result)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || (((2 <= tmp && 2 <= \result) && waterLevel == \old(waterLevel)) && 2 <= waterLevel))) && (((!(\old(waterLevel) == 1) || (\result == 1 && tmp == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) [2021-12-17 15:09:25,839 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || (\result == 0 && pumpRunning == \old(pumpRunning))) || !(1 <= waterLevel)) && ((!(1 == systemActive) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:09:25,839 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel)))) && (!(2 <= \old(waterLevel)) || !(1 == systemActive)) [2021-12-17 15:09:25,839 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) [2021-12-17 15:09:25,839 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(waterLevel == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || 1 <= \result) && (((!(1 == systemActive) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) [2021-12-17 15:09:25,839 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) [2021-12-17 15:09:25,839 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) && ((!(1 == systemActive) || ((((1 <= \result && \result == 0) && 1 <= tmp___0) && pumpRunning == \old(pumpRunning)) && tmp == 0)) || !(1 <= waterLevel)) [2021-12-17 15:09:25,841 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel)))) && (!(2 <= \old(waterLevel)) || !(1 == systemActive)) [2021-12-17 15:09:25,842 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(waterLevel == 1) || !(1 == systemActive)) || ((((\result == 0 && 1 <= tmp) && tmp___0 == 0) && 1 <= \result) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(2 <= waterLevel)) || pumpRunning == 0) [2021-12-17 15:09:25,871 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:09:25,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:09:25,871 INFO L158 Benchmark]: Toolchain (without parser) took 8914.48ms. Allocated memory was 119.5MB in the beginning and 209.7MB in the end (delta: 90.2MB). Free memory was 95.6MB in the beginning and 79.5MB in the end (delta: 16.2MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2021-12-17 15:09:25,871 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:09:25,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.83ms. Allocated memory is still 119.5MB. Free memory was 95.2MB in the beginning and 84.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 15:09:25,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.66ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 82.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:25,872 INFO L158 Benchmark]: Boogie Preprocessor took 28.56ms. Allocated memory is still 119.5MB. Free memory was 82.2MB in the beginning and 80.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:25,873 INFO L158 Benchmark]: RCFGBuilder took 356.13ms. Allocated memory is still 119.5MB. Free memory was 80.6MB in the beginning and 62.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-17 15:09:25,873 INFO L158 Benchmark]: TraceAbstraction took 8049.91ms. Allocated memory was 119.5MB in the beginning and 209.7MB in the end (delta: 90.2MB). Free memory was 62.2MB in the beginning and 86.8MB in the end (delta: -24.6MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2021-12-17 15:09:25,873 INFO L158 Benchmark]: Witness Printer took 73.58ms. Allocated memory is still 209.7MB. Free memory was 86.8MB in the beginning and 79.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 15:09:25,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.83ms. Allocated memory is still 119.5MB. Free memory was 95.2MB in the beginning and 84.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.66ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 82.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.56ms. Allocated memory is still 119.5MB. Free memory was 82.2MB in the beginning and 80.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.13ms. Allocated memory is still 119.5MB. Free memory was 80.6MB in the beginning and 62.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8049.91ms. Allocated memory was 119.5MB in the beginning and 209.7MB in the end (delta: 90.2MB). Free memory was 62.2MB in the beginning and 86.8MB in the end (delta: -24.6MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. * Witness Printer took 73.58ms. Allocated memory is still 209.7MB. Free memory was 86.8MB in the beginning and 79.5MB 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: 158]: 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 10 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2066 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2027 mSDsluCounter, 5205 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3485 mSDsCounter, 617 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2354 IncrementalHoareTripleChecker+Invalid, 2971 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 617 mSolverCounterUnsat, 1720 mSDtfsCounter, 2354 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 776 GetRequests, 643 SyntacticMatches, 11 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=972occurred in iteration=12, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 357 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 2435 PreInvPairs, 2577 NumberOfFragments, 1378 HoareAnnotationTreeSize, 2435 FomulaSimplifications, 2945 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 51 FomulaSimplificationsInter, 10642 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1207 NumberOfCodeBlocks, 1207 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1293 ConstructedInterpolants, 0 QuantifiedInterpolants, 2229 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1702 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 462/522 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: 991]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || (\result == 0 && pumpRunning == \old(pumpRunning))) || !(1 <= waterLevel)) && ((!(1 == systemActive) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: (((!(waterLevel == 1) || !(1 == systemActive)) || ((((\result == 0 && 1 <= tmp) && tmp___0 == 0) && 1 <= \result) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(2 <= waterLevel)) || pumpRunning == 0) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && systemActive == 0) && 1 <= waterLevel) && pumpRunning == 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && 2 <= waterLevel) && systemActive == 1) || (((splverifierCounter == 0 && 1 <= waterLevel) && systemActive == 1) && pumpRunning == 0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 1012]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || ((2 <= tmp && 2 <= \result) && 2 <= waterLevel)) || (((1 <= waterLevel && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) && (((!(\old(waterLevel) == 1) || !(1 == systemActive)) || (\result == 1 && tmp == 1)) || !(\old(pumpRunning) == 0))) && (((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (((2 <= tmp && 2 <= \result) && waterLevel == \old(waterLevel)) && 2 <= waterLevel))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || !(systemActive == 0))) && (((!(2 <= \old(waterLevel)) || (1 <= tmp && 1 <= \result)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || (((2 <= tmp && 2 <= \result) && waterLevel == \old(waterLevel)) && 2 <= waterLevel))) && (((!(\old(waterLevel) == 1) || (\result == 1 && tmp == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: (((!(waterLevel == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || 1 <= \result) && (((!(1 == systemActive) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || waterLevel == \old(waterLevel)) || !(\old(pumpRunning) == 0)) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0))) && (((!(\old(waterLevel) == 1) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((!(2 <= \old(waterLevel)) || (1 <= waterLevel && pumpRunning == 0)) || !(1 == systemActive)) || 2 <= waterLevel) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel)))) && (!(2 <= \old(waterLevel)) || !(1 == systemActive)) - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) == 1) || \result == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) && (((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (2 <= \result && waterLevel == \old(waterLevel)))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || !(systemActive == 0))) && (((!(2 <= \old(waterLevel)) || ((1 <= waterLevel && 1 <= \result) && pumpRunning == 0)) || !(1 == systemActive)) || (2 <= \result && 2 <= waterLevel))) && (((((\result == 1 && waterLevel == \old(waterLevel)) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((!(2 <= \old(waterLevel)) || !(\old(pumpRunning) == 0)) || 1 <= \result) || !(systemActive == 0)) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 2 <= waterLevel) && systemActive == 1) || (((splverifierCounter == 0 && systemActive == 0) && 1 <= waterLevel) && pumpRunning == 0)) || (((splverifierCounter == 0 && 1 <= waterLevel) && systemActive == 1) && pumpRunning == 0) - InvariantResult [Line: 1026]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel)))) && ((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) && ((!(1 == systemActive) || ((((1 <= \result && \result == 0) && 1 <= tmp___0) && pumpRunning == \old(pumpRunning)) && tmp == 0)) || !(1 <= waterLevel)) - InvariantResult [Line: 1019]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel)))) && (!(2 <= \old(waterLevel)) || !(1 == systemActive)) RESULT: Ultimate proved your program to be correct! [2021-12-17 15:09:25,907 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