./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product63.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 b18268074b12ff6db81668668ee2d33af663d931f7be534d8799200934e1992a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:10:04,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:10:04,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:10:04,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:10:04,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:10:04,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:10:04,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:10:04,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:10:04,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:10:04,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:10:04,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:10:04,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:10:04,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:10:04,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:10:04,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:10:04,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:10:04,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:10:04,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:10:04,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:10:04,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:10:04,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:10:04,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:10:04,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:10:04,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:10:04,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:10:04,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:10:04,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:10:04,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:10:04,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:10:04,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:10:04,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:10:04,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:10:04,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:10:04,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:10:04,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:10:04,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:10:04,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:10:04,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:10:04,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:10:04,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:10:04,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:10:04,641 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:10:04,658 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:10:04,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:10:04,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:10:04,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:10:04,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:10:04,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:10:04,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:10:04,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:10:04,660 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:10:04,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:10:04,660 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:10:04,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:10:04,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:10:04,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:10:04,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:10:04,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:10:04,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:10:04,661 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:10:04,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:10:04,662 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:10:04,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:10:04,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:10:04,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:10:04,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:10:04,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:10:04,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:10:04,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:10:04,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:10:04,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:10:04,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:10:04,663 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:10:04,663 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:10:04,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:10:04,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:10:04,664 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b18268074b12ff6db81668668ee2d33af663d931f7be534d8799200934e1992a [2021-12-17 15:10:04,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:10:04,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:10:04,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:10:04,894 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:10:04,894 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:10:04,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c [2021-12-17 15:10:04,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc593345/f5fd810864c54255a642b8b3ac838591/FLAG171ea4712 [2021-12-17 15:10:05,333 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:10:05,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c [2021-12-17 15:10:05,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc593345/f5fd810864c54255a642b8b3ac838591/FLAG171ea4712 [2021-12-17 15:10:05,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc593345/f5fd810864c54255a642b8b3ac838591 [2021-12-17 15:10:05,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:10:05,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:10:05,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:10:05,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:10:05,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:10:05,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57755209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05, skipping insertion in model container [2021-12-17 15:10:05,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:10:05,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:10:05,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c[2897,2910] [2021-12-17 15:10:05,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:10:05,661 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:10:05,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c[2897,2910] [2021-12-17 15:10:05,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:10:05,732 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:10:05,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05 WrapperNode [2021-12-17 15:10:05,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:10:05,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:10:05,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:10:05,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:10:05,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,798 INFO L137 Inliner]: procedures = 60, calls = 165, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 299 [2021-12-17 15:10:05,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:10:05,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:10:05,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:10:05,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:10:05,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:10:05,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:10:05,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:10:05,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:10:05,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:10:05,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:10:05,877 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 15:10:05,879 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 15:10:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:10:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:10:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:10:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:10:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:10:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:10:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:10:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:10:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:10:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:10:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:10:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:10:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:10:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-17 15:10:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-17 15:10:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-17 15:10:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-17 15:10:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-17 15:10:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-17 15:10:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:10:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:10:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:10:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:10:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:10:05,983 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:10:05,985 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:10:06,265 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:10:06,270 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:10:06,270 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:10:06,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:10:06 BoogieIcfgContainer [2021-12-17 15:10:06,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:10:06,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:10:06,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:10:06,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:10:06,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:10:05" (1/3) ... [2021-12-17 15:10:06,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12dfbfd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:10:06, skipping insertion in model container [2021-12-17 15:10:06,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (2/3) ... [2021-12-17 15:10:06,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12dfbfd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:10:06, skipping insertion in model container [2021-12-17 15:10:06,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:10:06" (3/3) ... [2021-12-17 15:10:06,290 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2021-12-17 15:10:06,295 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:10:06,295 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:10:06,323 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:10:06,328 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 15:10:06,328 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:10:06,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 97 states have internal predecessors, (117), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2021-12-17 15:10:06,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:10:06,344 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:06,345 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:06,345 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:06,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:06,348 INFO L85 PathProgramCache]: Analyzing trace with hash 2028778160, now seen corresponding path program 1 times [2021-12-17 15:10:06,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:06,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155579203] [2021-12-17 15:10:06,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:06,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:10:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:10:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:10:06,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:06,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155579203] [2021-12-17 15:10:06,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155579203] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:06,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:06,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:10:06,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892531617] [2021-12-17 15:10:06,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:06,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:10:06,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:06,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:10:06,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:10:06,565 INFO L87 Difference]: Start difference. First operand has 117 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 97 states have internal predecessors, (117), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:10:06,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:06,589 INFO L93 Difference]: Finished difference Result 225 states and 304 transitions. [2021-12-17 15:10:06,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:10:06,591 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-17 15:10:06,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:06,602 INFO L225 Difference]: With dead ends: 225 [2021-12-17 15:10:06,603 INFO L226 Difference]: Without dead ends: 108 [2021-12-17 15:10:06,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:10:06,611 INFO L933 BasicCegarLoop]: 149 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, 149 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 15:10:06,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:10:06,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-12-17 15:10:06,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2021-12-17 15:10:06,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 89 states have internal predecessors, (103), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2021-12-17 15:10:06,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2021-12-17 15:10:06,660 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 32 [2021-12-17 15:10:06,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:06,660 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2021-12-17 15:10:06,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:10:06,661 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2021-12-17 15:10:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-17 15:10:06,663 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:06,663 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:06,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:10:06,664 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:06,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:06,664 INFO L85 PathProgramCache]: Analyzing trace with hash -257998862, now seen corresponding path program 1 times [2021-12-17 15:10:06,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:06,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795868327] [2021-12-17 15:10:06,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:06,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:10:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 15:10:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:10:06,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:06,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795868327] [2021-12-17 15:10:06,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795868327] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:06,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:06,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:10:06,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635706891] [2021-12-17 15:10:06,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:06,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:10:06,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:06,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:10:06,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:10:06,764 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:10:06,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:06,808 INFO L93 Difference]: Finished difference Result 307 states and 406 transitions. [2021-12-17 15:10:06,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:10:06,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-12-17 15:10:06,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:06,815 INFO L225 Difference]: With dead ends: 307 [2021-12-17 15:10:06,815 INFO L226 Difference]: Without dead ends: 207 [2021-12-17 15:10:06,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 15:10:06,817 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 115 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:06,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 299 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:10:06,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-12-17 15:10:06,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 204. [2021-12-17 15:10:06,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 147 states have (on average 1.3197278911564625) internal successors, (194), 166 states have internal predecessors, (194), 38 states have call successors, (38), 20 states have call predecessors, (38), 18 states have return successors, (36), 25 states have call predecessors, (36), 36 states have call successors, (36) [2021-12-17 15:10:06,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 268 transitions. [2021-12-17 15:10:06,841 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 268 transitions. Word has length 37 [2021-12-17 15:10:06,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:06,842 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 268 transitions. [2021-12-17 15:10:06,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:10:06,842 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 268 transitions. [2021-12-17 15:10:06,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-17 15:10:06,849 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:06,849 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:06,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:10:06,850 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:06,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:06,850 INFO L85 PathProgramCache]: Analyzing trace with hash 702056680, now seen corresponding path program 1 times [2021-12-17 15:10:06,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:06,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114074808] [2021-12-17 15:10:06,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:06,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-17 15:10:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-17 15:10:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:10:06,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:06,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114074808] [2021-12-17 15:10:06,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114074808] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:06,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:06,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:10:06,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102675959] [2021-12-17 15:10:06,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:06,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:10:06,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:06,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:10:06,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:10:06,947 INFO L87 Difference]: Start difference. First operand 204 states and 268 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:10:07,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:07,131 INFO L93 Difference]: Finished difference Result 538 states and 751 transitions. [2021-12-17 15:10:07,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:10:07,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-17 15:10:07,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:07,135 INFO L225 Difference]: With dead ends: 538 [2021-12-17 15:10:07,135 INFO L226 Difference]: Without dead ends: 342 [2021-12-17 15:10:07,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:10:07,137 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 79 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:07,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 685 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:10:07,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-12-17 15:10:07,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 329. [2021-12-17 15:10:07,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 240 states have (on average 1.2666666666666666) internal successors, (304), 259 states have internal predecessors, (304), 54 states have call successors, (54), 38 states have call predecessors, (54), 34 states have return successors, (70), 45 states have call predecessors, (70), 50 states have call successors, (70) [2021-12-17 15:10:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 428 transitions. [2021-12-17 15:10:07,165 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 428 transitions. Word has length 41 [2021-12-17 15:10:07,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:07,165 INFO L470 AbstractCegarLoop]: Abstraction has 329 states and 428 transitions. [2021-12-17 15:10:07,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:10:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 428 transitions. [2021-12-17 15:10:07,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-17 15:10:07,167 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:07,167 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:07,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:10:07,167 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:07,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:07,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1444776659, now seen corresponding path program 1 times [2021-12-17 15:10:07,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:07,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235935810] [2021-12-17 15:10:07,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:07,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:10:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-17 15:10:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:10:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-17 15:10:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:10:07,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:07,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235935810] [2021-12-17 15:10:07,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235935810] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:07,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:07,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:10:07,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399066167] [2021-12-17 15:10:07,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:07,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:10:07,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:07,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:10:07,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:10:07,302 INFO L87 Difference]: Start difference. First operand 329 states and 428 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:10:07,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:07,478 INFO L93 Difference]: Finished difference Result 746 states and 1031 transitions. [2021-12-17 15:10:07,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:10:07,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2021-12-17 15:10:07,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:07,481 INFO L225 Difference]: With dead ends: 746 [2021-12-17 15:10:07,481 INFO L226 Difference]: Without dead ends: 425 [2021-12-17 15:10:07,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:10:07,483 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 86 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:07,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 523 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:10:07,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-12-17 15:10:07,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 389. [2021-12-17 15:10:07,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 286 states have (on average 1.2517482517482517) internal successors, (358), 305 states have internal predecessors, (358), 58 states have call successors, (58), 38 states have call predecessors, (58), 44 states have return successors, (92), 57 states have call predecessors, (92), 54 states have call successors, (92) [2021-12-17 15:10:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 508 transitions. [2021-12-17 15:10:07,507 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 508 transitions. Word has length 64 [2021-12-17 15:10:07,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:07,507 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 508 transitions. [2021-12-17 15:10:07,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:10:07,508 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 508 transitions. [2021-12-17 15:10:07,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-17 15:10:07,509 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:07,509 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:07,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:10:07,510 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:07,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:07,510 INFO L85 PathProgramCache]: Analyzing trace with hash 968830382, now seen corresponding path program 1 times [2021-12-17 15:10:07,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:07,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221087279] [2021-12-17 15:10:07,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:07,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:10:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-17 15:10:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:10:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-17 15:10:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:10:07,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:07,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221087279] [2021-12-17 15:10:07,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221087279] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:07,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:07,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 15:10:07,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4081969] [2021-12-17 15:10:07,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:07,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 15:10:07,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:07,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 15:10:07,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 15:10:07,560 INFO L87 Difference]: Start difference. First operand 389 states and 508 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:10:07,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:07,632 INFO L93 Difference]: Finished difference Result 657 states and 826 transitions. [2021-12-17 15:10:07,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 15:10:07,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2021-12-17 15:10:07,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:07,634 INFO L225 Difference]: With dead ends: 657 [2021-12-17 15:10:07,634 INFO L226 Difference]: Without dead ends: 355 [2021-12-17 15:10:07,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 15:10:07,636 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 83 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:07,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 238 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:10:07,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-12-17 15:10:07,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2021-12-17 15:10:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 262 states have (on average 1.2595419847328244) internal successors, (330), 281 states have internal predecessors, (330), 46 states have call successors, (46), 34 states have call predecessors, (46), 44 states have return successors, (68), 49 states have call predecessors, (68), 46 states have call successors, (68) [2021-12-17 15:10:07,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 444 transitions. [2021-12-17 15:10:07,672 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 444 transitions. Word has length 60 [2021-12-17 15:10:07,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:07,673 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 444 transitions. [2021-12-17 15:10:07,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:10:07,673 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 444 transitions. [2021-12-17 15:10:07,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-17 15:10:07,674 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:07,674 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:07,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:10:07,674 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:07,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:07,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1463987243, now seen corresponding path program 1 times [2021-12-17 15:10:07,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:07,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187429429] [2021-12-17 15:10:07,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:07,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:10:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-17 15:10:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:10:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-17 15:10:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:10:07,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:07,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187429429] [2021-12-17 15:10:07,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187429429] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:07,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:07,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:10:07,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518108687] [2021-12-17 15:10:07,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:07,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:10:07,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:07,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:10:07,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:10:07,775 INFO L87 Difference]: Start difference. First operand 353 states and 444 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-17 15:10:07,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:07,996 INFO L93 Difference]: Finished difference Result 722 states and 931 transitions. [2021-12-17 15:10:07,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 15:10:07,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 64 [2021-12-17 15:10:07,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:08,000 INFO L225 Difference]: With dead ends: 722 [2021-12-17 15:10:08,000 INFO L226 Difference]: Without dead ends: 377 [2021-12-17 15:10:08,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-17 15:10:08,003 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 259 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:08,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 492 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:10:08,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-12-17 15:10:08,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 357. [2021-12-17 15:10:08,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 266 states have (on average 1.255639097744361) internal successors, (334), 285 states have internal predecessors, (334), 46 states have call successors, (46), 34 states have call predecessors, (46), 44 states have return successors, (68), 49 states have call predecessors, (68), 46 states have call successors, (68) [2021-12-17 15:10:08,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 448 transitions. [2021-12-17 15:10:08,025 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 448 transitions. Word has length 64 [2021-12-17 15:10:08,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:08,026 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 448 transitions. [2021-12-17 15:10:08,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-17 15:10:08,026 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 448 transitions. [2021-12-17 15:10:08,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-17 15:10:08,027 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:08,027 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:10:08,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:10:08,028 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:08,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:08,028 INFO L85 PathProgramCache]: Analyzing trace with hash -762387369, now seen corresponding path program 1 times [2021-12-17 15:10:08,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:08,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180543734] [2021-12-17 15:10:08,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:08,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:10:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-17 15:10:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:10:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-17 15:10:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:10:08,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:08,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180543734] [2021-12-17 15:10:08,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180543734] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:08,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:08,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:10:08,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650383383] [2021-12-17 15:10:08,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:08,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:10:08,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:08,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:10:08,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:10:08,120 INFO L87 Difference]: Start difference. First operand 357 states and 448 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-12-17 15:10:08,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:08,316 INFO L93 Difference]: Finished difference Result 998 states and 1301 transitions. [2021-12-17 15:10:08,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:10:08,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 64 [2021-12-17 15:10:08,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:08,319 INFO L225 Difference]: With dead ends: 998 [2021-12-17 15:10:08,320 INFO L226 Difference]: Without dead ends: 649 [2021-12-17 15:10:08,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:10:08,321 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 256 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:08,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 388 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:10:08,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2021-12-17 15:10:08,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 642. [2021-12-17 15:10:08,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 477 states have (on average 1.2243186582809225) internal successors, (584), 505 states have internal predecessors, (584), 87 states have call successors, (87), 71 states have call predecessors, (87), 77 states have return successors, (139), 88 states have call predecessors, (139), 87 states have call successors, (139) [2021-12-17 15:10:08,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 810 transitions. [2021-12-17 15:10:08,344 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 810 transitions. Word has length 64 [2021-12-17 15:10:08,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:08,344 INFO L470 AbstractCegarLoop]: Abstraction has 642 states and 810 transitions. [2021-12-17 15:10:08,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-12-17 15:10:08,344 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 810 transitions. [2021-12-17 15:10:08,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-17 15:10:08,345 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:08,345 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:08,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:10:08,346 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:08,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:08,346 INFO L85 PathProgramCache]: Analyzing trace with hash -480731343, now seen corresponding path program 1 times [2021-12-17 15:10:08,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:08,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125724550] [2021-12-17 15:10:08,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:08,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:10:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-17 15:10:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-17 15:10:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:10:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-17 15:10:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:10:08,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:08,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125724550] [2021-12-17 15:10:08,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125724550] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:08,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:08,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-17 15:10:08,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804793598] [2021-12-17 15:10:08,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:08,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 15:10:08,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:08,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 15:10:08,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:10:08,452 INFO L87 Difference]: Start difference. First operand 642 states and 810 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2021-12-17 15:10:09,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:09,189 INFO L93 Difference]: Finished difference Result 1757 states and 2334 transitions. [2021-12-17 15:10:09,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-17 15:10:09,189 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 68 [2021-12-17 15:10:09,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:09,194 INFO L225 Difference]: With dead ends: 1757 [2021-12-17 15:10:09,194 INFO L226 Difference]: Without dead ends: 1236 [2021-12-17 15:10:09,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2021-12-17 15:10:09,196 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 672 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:09,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [680 Valid, 658 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 15:10:09,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2021-12-17 15:10:09,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1082. [2021-12-17 15:10:09,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 802 states have (on average 1.2244389027431422) internal successors, (982), 856 states have internal predecessors, (982), 148 states have call successors, (148), 112 states have call predecessors, (148), 131 states have return successors, (238), 147 states have call predecessors, (238), 148 states have call successors, (238) [2021-12-17 15:10:09,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1368 transitions. [2021-12-17 15:10:09,236 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1368 transitions. Word has length 68 [2021-12-17 15:10:09,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:09,236 INFO L470 AbstractCegarLoop]: Abstraction has 1082 states and 1368 transitions. [2021-12-17 15:10:09,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2021-12-17 15:10:09,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1368 transitions. [2021-12-17 15:10:09,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-17 15:10:09,237 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:09,238 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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, 1] [2021-12-17 15:10:09,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:10:09,238 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:09,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:09,238 INFO L85 PathProgramCache]: Analyzing trace with hash -608570004, now seen corresponding path program 1 times [2021-12-17 15:10:09,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:09,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762785152] [2021-12-17 15:10:09,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:09,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:10:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:10:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:10:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-17 15:10:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:10:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-17 15:10:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-17 15:10:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-17 15:10:09,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:09,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762785152] [2021-12-17 15:10:09,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762785152] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:09,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:09,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 15:10:09,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634294124] [2021-12-17 15:10:09,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:09,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:10:09,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:09,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:10:09,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:10:09,328 INFO L87 Difference]: Start difference. First operand 1082 states and 1368 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2021-12-17 15:10:09,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:09,587 INFO L93 Difference]: Finished difference Result 1311 states and 1649 transitions. [2021-12-17 15:10:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-17 15:10:09,587 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 98 [2021-12-17 15:10:09,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:09,589 INFO L225 Difference]: With dead ends: 1311 [2021-12-17 15:10:09,590 INFO L226 Difference]: Without dead ends: 537 [2021-12-17 15:10:09,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-12-17 15:10:09,593 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 369 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:09,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [378 Valid, 370 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:10:09,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2021-12-17 15:10:09,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 493. [2021-12-17 15:10:09,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 366 states have (on average 1.1830601092896176) internal successors, (433), 389 states have internal predecessors, (433), 66 states have call successors, (66), 50 states have call predecessors, (66), 60 states have return successors, (108), 66 states have call predecessors, (108), 66 states have call successors, (108) [2021-12-17 15:10:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 607 transitions. [2021-12-17 15:10:09,616 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 607 transitions. Word has length 98 [2021-12-17 15:10:09,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:09,616 INFO L470 AbstractCegarLoop]: Abstraction has 493 states and 607 transitions. [2021-12-17 15:10:09,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2021-12-17 15:10:09,616 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 607 transitions. [2021-12-17 15:10:09,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-17 15:10:09,621 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:09,621 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2021-12-17 15:10:09,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 15:10:09,622 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:09,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:09,622 INFO L85 PathProgramCache]: Analyzing trace with hash 115908773, now seen corresponding path program 1 times [2021-12-17 15:10:09,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:09,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756885060] [2021-12-17 15:10:09,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:09,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:10:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:10:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:10:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-17 15:10:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:10:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-17 15:10:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-17 15:10:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-17 15:10:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-17 15:10:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-17 15:10:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-17 15:10:09,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:09,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756885060] [2021-12-17 15:10:09,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756885060] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:10:09,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014938279] [2021-12-17 15:10:09,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:09,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:10:09,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:10:09,768 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 15:10:09,769 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 15:10:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 15:10:09,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:10:10,090 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 30 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:10:10,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:10:10,342 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-17 15:10:10,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014938279] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:10:10,343 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:10:10,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2021-12-17 15:10:10,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825437048] [2021-12-17 15:10:10,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:10:10,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-17 15:10:10,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:10,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-17 15:10:10,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-12-17 15:10:10,345 INFO L87 Difference]: Start difference. First operand 493 states and 607 transitions. Second operand has 15 states, 15 states have (on average 10.333333333333334) internal successors, (155), 10 states have internal predecessors, (155), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) [2021-12-17 15:10:11,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:11,025 INFO L93 Difference]: Finished difference Result 1004 states and 1261 transitions. [2021-12-17 15:10:11,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-17 15:10:11,026 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.333333333333334) internal successors, (155), 10 states have internal predecessors, (155), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) Word has length 121 [2021-12-17 15:10:11,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:11,027 INFO L225 Difference]: With dead ends: 1004 [2021-12-17 15:10:11,027 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:10:11,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 273 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=345, Invalid=1137, Unknown=0, NotChecked=0, Total=1482 [2021-12-17 15:10:11,030 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 415 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:11,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [418 Valid, 968 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 887 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 15:10:11,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:10:11,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:10:11,031 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 15:10:11,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:10:11,031 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 121 [2021-12-17 15:10:11,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:11,031 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:10:11,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.333333333333334) internal successors, (155), 10 states have internal predecessors, (155), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) [2021-12-17 15:10:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:10:11,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:10:11,033 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:10:11,053 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 15:10:11,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-17 15:10:11,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:10:14,681 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 466 473) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (= 1 ~systemActive~0)) .cse0 .cse1) (or (= 0 ~systemActive~0) .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2021-12-17 15:10:14,681 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 466 473) no Hoare annotation was computed. [2021-12-17 15:10:14,681 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 466 473) no Hoare annotation was computed. [2021-12-17 15:10:14,681 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 356 362) no Hoare annotation was computed. [2021-12-17 15:10:14,681 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 356 362) the Hoare annotation is: true [2021-12-17 15:10:14,681 INFO L854 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-17 15:10:14,682 INFO L858 garLoopResultBuilder]: For program point L409-1(lines 390 414) no Hoare annotation was computed. [2021-12-17 15:10:14,682 INFO L854 garLoopResultBuilder]: At program point L564(lines 549 567) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:14,682 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 562) no Hoare annotation was computed. [2021-12-17 15:10:14,682 INFO L858 garLoopResultBuilder]: For program point L558-2(lines 558 562) no Hoare annotation was computed. [2021-12-17 15:10:14,682 INFO L854 garLoopResultBuilder]: At program point L682(lines 677 685) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:14,682 INFO L854 garLoopResultBuilder]: At program point L404(line 404) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:14,682 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 390 414) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)))) [2021-12-17 15:10:14,682 INFO L854 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:14,682 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2021-12-17 15:10:14,682 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 390 414) no Hoare annotation was computed. [2021-12-17 15:10:14,682 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 411) no Hoare annotation was computed. [2021-12-17 15:10:14,682 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 485 493) no Hoare annotation was computed. [2021-12-17 15:10:14,683 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 485 493) the Hoare annotation is: true [2021-12-17 15:10:14,683 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 485 493) no Hoare annotation was computed. [2021-12-17 15:10:14,683 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 610 621) the Hoare annotation is: true [2021-12-17 15:10:14,683 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 610 621) no Hoare annotation was computed. [2021-12-17 15:10:14,683 INFO L858 garLoopResultBuilder]: For program point L614-1(lines 610 621) no Hoare annotation was computed. [2021-12-17 15:10:14,683 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 222 251) no Hoare annotation was computed. [2021-12-17 15:10:14,683 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 222 251) the Hoare annotation is: true [2021-12-17 15:10:14,683 INFO L861 garLoopResultBuilder]: At program point L247(lines 222 251) the Hoare annotation is: true [2021-12-17 15:10:14,683 INFO L858 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2021-12-17 15:10:14,683 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-12-17 15:10:14,683 INFO L861 garLoopResultBuilder]: At program point L236-1(lines 236 240) the Hoare annotation is: true [2021-12-17 15:10:14,683 INFO L858 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2021-12-17 15:10:14,683 INFO L861 garLoopResultBuilder]: At program point L232-2(lines 232 246) the Hoare annotation is: true [2021-12-17 15:10:14,683 INFO L861 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: true [2021-12-17 15:10:14,684 INFO L858 garLoopResultBuilder]: For program point L228-1(line 228) no Hoare annotation was computed. [2021-12-17 15:10:14,684 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-12-17 15:10:14,684 INFO L854 garLoopResultBuilder]: At program point L659(lines 654 662) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (= ~pumpRunning~0 0))) (let ((.cse1 (and .cse4 .cse11)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= ~systemActive~0 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= 1 ~systemActive~0))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse12 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse0 .cse1 .cse5 .cse2) (or .cse6 .cse7 .cse0 .cse5 .cse2) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse6 .cse0 .cse5 (and .cse8 .cse9 .cse10) (and .cse8 .cse9 .cse11) .cse12)) (or .cse6 .cse7 .cse0 .cse2 .cse3) (let ((.cse13 (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse5 (and .cse8 .cse10 .cse13) (and .cse8 .cse13 .cse11) .cse12))))) [2021-12-17 15:10:14,684 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 432) no Hoare annotation was computed. [2021-12-17 15:10:14,684 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 329 355) no Hoare annotation was computed. [2021-12-17 15:10:14,684 INFO L854 garLoopResultBuilder]: At program point L69(lines 62 71) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (and .cse6 (= ~pumpRunning~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (and (<= 1 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= ~systemActive~0 0))) (or .cse0 .cse1 .cse3 .cse2) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse3 .cse4 .cse5) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 .cse4 .cse5)))) [2021-12-17 15:10:14,684 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 437) no Hoare annotation was computed. [2021-12-17 15:10:14,684 INFO L854 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0))) (let ((.cse3 (not (= ~systemActive~0 0))) (.cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse9)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (let ((.cse7 (= ~waterLevel~0 1))) (or .cse4 .cse0 .cse5 (and .cse6 .cse7 .cse8) (and .cse6 .cse7 .cse9) .cse10)) (or .cse4 .cse0 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse2) (let ((.cse11 (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse5 (and .cse6 .cse8 .cse11) (and .cse6 .cse11 .cse9) .cse10)) (or .cse4 .cse0 .cse5 .cse2)))) [2021-12-17 15:10:14,684 INFO L858 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2021-12-17 15:10:14,684 INFO L858 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-12-17 15:10:14,684 INFO L858 garLoopResultBuilder]: For program point L590(lines 590 594) no Hoare annotation was computed. [2021-12-17 15:10:14,684 INFO L854 garLoopResultBuilder]: At program point L590-2(lines 586 597) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4) (or .cse0 .cse1 .cse5) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse0 .cse5 (not (= ~systemActive~0 0))))) [2021-12-17 15:10:14,684 INFO L858 garLoopResultBuilder]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2021-12-17 15:10:14,684 INFO L854 garLoopResultBuilder]: At program point L145(lines 140 147) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse3) (or .cse0 .cse2 (not (= ~systemActive~0 0))))) [2021-12-17 15:10:14,685 INFO L854 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4) (or .cse0 .cse1 .cse5) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse0 .cse5 (not (= ~systemActive~0 0))))) [2021-12-17 15:10:14,685 INFO L854 garLoopResultBuilder]: At program point L426(line 426) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4) (or .cse0 .cse1 .cse5) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse0 .cse5 (not (= ~systemActive~0 0))))) [2021-12-17 15:10:14,685 INFO L854 garLoopResultBuilder]: At program point L422(line 422) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4) (or .cse0 .cse1 .cse5) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse0 .cse5 (not (= ~systemActive~0 0))))) [2021-12-17 15:10:14,685 INFO L858 garLoopResultBuilder]: For program point L422-1(line 422) no Hoare annotation was computed. [2021-12-17 15:10:14,685 INFO L854 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (and .cse7 .cse6 (= ~pumpRunning~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse2 .cse4 (and .cse5 .cse6 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 (and .cse7 .cse5 .cse6) .cse4) (or .cse0 .cse1 .cse3 (not (= ~systemActive~0 0)))))) [2021-12-17 15:10:14,685 INFO L858 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2021-12-17 15:10:14,685 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2021-12-17 15:10:14,685 INFO L854 garLoopResultBuilder]: At program point L435(line 435) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) .cse1 .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse3 (not (= ~systemActive~0 0))))) [2021-12-17 15:10:14,685 INFO L854 garLoopResultBuilder]: At program point L435-1(lines 416 440) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|)))) (and (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse1 (and .cse0 .cse2) .cse3 .cse4)) (let ((.cse6 (= ~waterLevel~0 1))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse3 (and .cse5 .cse6 .cse7) (and .cse5 .cse6 .cse2) .cse8)) (or .cse1 .cse4 (not (= ~systemActive~0 0))) (let ((.cse9 (<= ~waterLevel~0 2))) (or .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 (and .cse5 .cse7 .cse9) (and .cse5 .cse9 .cse2) .cse8)))) [2021-12-17 15:10:14,685 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 342) no Hoare annotation was computed. [2021-12-17 15:10:14,685 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2021-12-17 15:10:14,685 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 329 355) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (and .cse7 .cse6 (= ~pumpRunning~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse2 .cse4 (and .cse5 .cse6 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 (and .cse7 .cse5 .cse6) .cse4) (or .cse0 .cse1 .cse3 (not (= ~systemActive~0 0)))))) [2021-12-17 15:10:14,685 INFO L854 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (let ((.cse11 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse12 (and .cse11 .cse8)) (.cse4 (not (= ~systemActive~0 0))) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|) (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= 1 ~systemActive~0))) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (let ((.cse7 (= ~waterLevel~0 1))) (or .cse0 .cse2 .cse5 (and .cse6 .cse7 .cse8) (and .cse6 .cse7 .cse9) .cse10)) (or (and .cse11 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse2 .cse12 .cse5 .cse3) (or .cse2 .cse12 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse3) (let ((.cse13 (<= ~waterLevel~0 2))) (or .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse5 (and .cse6 .cse8 .cse13) (and .cse6 .cse13 .cse9) .cse10))))) [2021-12-17 15:10:14,686 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 332 354) no Hoare annotation was computed. [2021-12-17 15:10:14,686 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 329 355) no Hoare annotation was computed. [2021-12-17 15:10:14,686 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2021-12-17 15:10:14,686 INFO L858 garLoopResultBuilder]: For program point L572(lines 572 578) no Hoare annotation was computed. [2021-12-17 15:10:14,686 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2021-12-17 15:10:14,686 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 190) no Hoare annotation was computed. [2021-12-17 15:10:14,686 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2021-12-17 15:10:14,686 INFO L854 garLoopResultBuilder]: At program point L209(lines 164 211) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~systemActive~0 0) .cse1 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 .cse2) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2021-12-17 15:10:14,686 INFO L854 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~systemActive~0 0) .cse1 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 .cse2) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2021-12-17 15:10:14,687 INFO L854 garLoopResultBuilder]: At program point L135(lines 130 138) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:10:14,687 INFO L861 garLoopResultBuilder]: At program point L292(lines 284 294) the Hoare annotation is: true [2021-12-17 15:10:14,687 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:10:14,687 INFO L854 garLoopResultBuilder]: At program point L127(lines 123 129) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:10:14,687 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:10:14,687 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:10:14,687 INFO L858 garLoopResultBuilder]: For program point L305(lines 305 312) no Hoare annotation was computed. [2021-12-17 15:10:14,687 INFO L858 garLoopResultBuilder]: For program point L305-2(lines 305 312) no Hoare annotation was computed. [2021-12-17 15:10:14,687 INFO L858 garLoopResultBuilder]: For program point L165(lines 164 211) no Hoare annotation was computed. [2021-12-17 15:10:14,687 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 207) no Hoare annotation was computed. [2021-12-17 15:10:14,688 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:10:14,688 INFO L854 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= ~systemActive~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= 0 ~systemActive~0))))) [2021-12-17 15:10:14,688 INFO L854 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~systemActive~0 0) .cse1 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 .cse2) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2021-12-17 15:10:14,688 INFO L861 garLoopResultBuilder]: At program point L314(lines 295 317) the Hoare annotation is: true [2021-12-17 15:10:14,688 INFO L854 garLoopResultBuilder]: At program point L281(lines 277 283) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:10:14,688 INFO L854 garLoopResultBuilder]: At program point L120(lines 116 122) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:10:14,688 INFO L861 garLoopResultBuilder]: At program point L215(lines 154 219) the Hoare annotation is: true [2021-12-17 15:10:14,688 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 180) no Hoare annotation was computed. [2021-12-17 15:10:14,689 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2021-12-17 15:10:14,689 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 170) no Hoare annotation was computed. [2021-12-17 15:10:14,689 INFO L854 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:10:14,689 INFO L854 garLoopResultBuilder]: At program point L212(lines 163 213) the Hoare annotation is: false [2021-12-17 15:10:14,689 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 206) no Hoare annotation was computed. [2021-12-17 15:10:14,689 INFO L854 garLoopResultBuilder]: At program point L200-2(lines 194 207) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~systemActive~0 0) .cse1 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 .cse2) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2021-12-17 15:10:14,689 INFO L854 garLoopResultBuilder]: At program point L580(lines 568 582) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0)) [2021-12-17 15:10:14,689 INFO L854 garLoopResultBuilder]: At program point L545(lines 530 548) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2)))) (and (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) .cse1 .cse2 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) .cse0) (not (= |old(~pumpRunning~0)| 0)))) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 .cse2 (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-17 15:10:14,690 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 364 388) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)))) [2021-12-17 15:10:14,690 INFO L854 garLoopResultBuilder]: At program point L446(lines 441 448) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:14,690 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 673) no Hoare annotation was computed. [2021-12-17 15:10:14,690 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 543) no Hoare annotation was computed. [2021-12-17 15:10:14,690 INFO L854 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~3#1| 0) (= ~pumpRunning~0 0)) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-17 15:10:14,690 INFO L858 garLoopResultBuilder]: For program point L539-2(lines 539 543) no Hoare annotation was computed. [2021-12-17 15:10:14,690 INFO L858 garLoopResultBuilder]: For program point L372(lines 372 380) no Hoare annotation was computed. [2021-12-17 15:10:14,690 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 385) no Hoare annotation was computed. [2021-12-17 15:10:14,690 INFO L854 garLoopResultBuilder]: At program point L672(lines 663 676) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (let ((.cse2 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse2) (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse2) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-17 15:10:14,691 INFO L854 garLoopResultBuilder]: At program point L383(line 383) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:14,691 INFO L858 garLoopResultBuilder]: For program point L383-1(lines 364 388) no Hoare annotation was computed. [2021-12-17 15:10:14,691 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 364 388) no Hoare annotation was computed. [2021-12-17 15:10:14,691 INFO L858 garLoopResultBuilder]: For program point L456(lines 456 462) no Hoare annotation was computed. [2021-12-17 15:10:14,691 INFO L854 garLoopResultBuilder]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:14,691 INFO L854 garLoopResultBuilder]: At program point L456-2(lines 449 465) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (let ((.cse2 (<= 2 ~waterLevel~0))) (or (and .cse2 (= ~pumpRunning~0 0)) (and (<= 1 ~pumpRunning~0) .cse2) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-17 15:10:14,691 INFO L858 garLoopResultBuilder]: For program point L454-1(line 454) no Hoare annotation was computed. [2021-12-17 15:10:14,691 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 598 609) no Hoare annotation was computed. [2021-12-17 15:10:14,691 INFO L858 garLoopResultBuilder]: For program point L602-1(lines 598 609) no Hoare annotation was computed. [2021-12-17 15:10:14,692 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 598 609) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse2) (or .cse0 .cse3 .cse4 (not (= ~systemActive~0 0))) (or .cse0 .cse3 .cse1 .cse4) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2 .cse4))) [2021-12-17 15:10:14,692 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 474 484) the Hoare annotation is: true [2021-12-17 15:10:14,692 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 474 484) no Hoare annotation was computed. [2021-12-17 15:10:14,692 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 474 484) no Hoare annotation was computed. [2021-12-17 15:10:14,692 INFO L861 garLoopResultBuilder]: At program point L627(lines 622 630) the Hoare annotation is: true [2021-12-17 15:10:14,694 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:14,695 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:10:14,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:10:14 BoogieIcfgContainer [2021-12-17 15:10:14,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:10:14,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:10:14,728 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:10:14,728 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:10:14,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:10:06" (3/4) ... [2021-12-17 15:10:14,730 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:10:14,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-17 15:10:14,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:10:14,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:10:14,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:10:14,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:10:14,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:10:14,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:10:14,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:10:14,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-17 15:10:14,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-17 15:10:14,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-12-17 15:10:14,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:10:14,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:10:14,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:10:14,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:10:14,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:10:14,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:10:14,761 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) && (((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:14,762 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) [2021-12-17 15:10:14,763 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(2 <= \old(waterLevel)) || (((\result <= 2 && 2 <= \result) && 1 < tmp) && tmp <= 2)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) && (((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning))) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning))) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || (((\result <= 2 && 2 <= \result) && 1 < tmp) && tmp <= 2)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:14,763 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) && (((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:14,763 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) [2021-12-17 15:10:14,763 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) && ((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(2 <= \old(waterLevel)) || (\result <= 2 && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || (\result <= 2 && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:14,764 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(waterLevel <= 2)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning))) && ((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:14,764 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:14,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || (1 <= \result && pumpRunning == 0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:14,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && ((((1 <= pumpRunning && 2 <= waterLevel) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:14,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(waterLevel <= 2)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning))) && ((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:14,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((!(1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:14,793 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:10:14,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:10:14,794 INFO L158 Benchmark]: Toolchain (without parser) took 9420.39ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 104.1MB in the beginning and 132.1MB in the end (delta: -28.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-17 15:10:14,794 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory was 53.7MB in the beginning and 53.7MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:10:14,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.45ms. Allocated memory is still 134.2MB. Free memory was 104.1MB in the beginning and 101.0MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 15:10:14,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.30ms. Allocated memory is still 134.2MB. Free memory was 101.0MB in the beginning and 98.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:10:14,794 INFO L158 Benchmark]: Boogie Preprocessor took 44.68ms. Allocated memory is still 134.2MB. Free memory was 98.5MB in the beginning and 96.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:10:14,795 INFO L158 Benchmark]: RCFGBuilder took 423.25ms. Allocated memory is still 134.2MB. Free memory was 96.5MB in the beginning and 78.5MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-17 15:10:14,795 INFO L158 Benchmark]: TraceAbstraction took 8451.43ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 78.1MB in the beginning and 139.4MB in the end (delta: -61.3MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. [2021-12-17 15:10:14,795 INFO L158 Benchmark]: Witness Printer took 65.51ms. Allocated memory is still 199.2MB. Free memory was 139.4MB in the beginning and 132.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 15:10:14,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory was 53.7MB in the beginning and 53.7MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.45ms. Allocated memory is still 134.2MB. Free memory was 104.1MB in the beginning and 101.0MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.30ms. Allocated memory is still 134.2MB. Free memory was 101.0MB in the beginning and 98.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.68ms. Allocated memory is still 134.2MB. Free memory was 98.5MB in the beginning and 96.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.25ms. Allocated memory is still 134.2MB. Free memory was 96.5MB in the beginning and 78.5MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8451.43ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 78.1MB in the beginning and 139.4MB in the end (delta: -61.3MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. * Witness Printer took 65.51ms. Allocated memory is still 199.2MB. Free memory was 139.4MB in the beginning and 132.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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: 144]: 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 11 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2389 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2334 mSDsluCounter, 4770 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3203 mSDsCounter, 863 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2590 IncrementalHoareTripleChecker+Invalid, 3453 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 863 mSolverCounterUnsat, 1567 mSDtfsCounter, 2590 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 493 GetRequests, 378 SyntacticMatches, 2 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 647 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1082occurred in iteration=8, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 279 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 2243 PreInvPairs, 2474 NumberOfFragments, 2354 HoareAnnotationTreeSize, 2243 FomulaSimplifications, 3021 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 12756 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 770 NumberOfCodeBlocks, 770 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 879 ConstructedInterpolants, 0 QuantifiedInterpolants, 1718 SizeOfPredicates, 3 NumberOfNonLiveVariables, 535 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 133/174 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: 568]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && systemActive == 0) && waterLevel <= 2) && pumpRunning == 0 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) && ((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(2 <= \old(waterLevel)) || (\result <= 2 && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || (\result <= 2 && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && waterLevel <= 2) && systemActive == 1) && pumpRunning == 0) || (((splverifierCounter == 0 && systemActive == 0) && waterLevel <= 2) && pumpRunning == 0)) || ((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == 1)) || ((((splverifierCounter == 0 && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && systemActive == 1) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((((!(1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(waterLevel <= 2)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning))) && ((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) && (((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) && (((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: (((!(1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || (1 <= \result && pumpRunning == 0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: ((((!(1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(waterLevel <= 2)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning))) && ((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((((((!(2 <= \old(waterLevel)) || (((\result <= 2 && 2 <= \result) && 1 < tmp) && tmp <= 2)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) && (((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning))) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning))) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || (((\result <= 2 && 2 <= \result) && 1 < tmp) && tmp <= 2)) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((!(1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((!(1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && ((((1 <= pumpRunning && 2 <= waterLevel) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((!(1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) RESULT: Ultimate proved your program to be correct! [2021-12-17 15:10:14,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE