./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product56.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_spec2_product56.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 fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:07:47,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:07:47,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:07:47,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:07:47,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:07:47,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:07:47,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:07:47,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:07:47,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:07:47,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:07:47,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:07:47,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:07:47,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:07:47,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:07:47,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:07:47,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:07:47,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:07:47,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:07:47,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:07:47,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:07:47,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:07:47,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:07:47,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:07:47,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:07:47,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:07:47,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:07:47,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:07:47,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:07:47,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:07:47,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:07:47,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:07:47,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:07:47,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:07:47,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:07:47,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:07:47,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:07:47,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:07:47,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:07:47,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:07:47,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:07:47,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:07:47,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:07:47,886 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:07:47,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:07:47,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:07:47,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:07:47,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:07:47,888 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:07:47,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:07:47,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:07:47,889 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:07:47,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:07:47,890 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:07:47,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:07:47,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:07:47,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:07:47,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:07:47,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:07:47,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:07:47,892 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:07:47,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:07:47,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:07:47,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:07:47,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:07:47,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:07:47,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:07:47,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:07:47,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:07:47,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:07:47,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:07:47,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:07:47,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:07:47,894 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:07:47,894 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:07:47,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:07:47,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:07:47,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa [2021-12-17 15:07:48,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:07:48,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:07:48,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:07:48,157 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:07:48,158 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:07:48,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2021-12-17 15:07:48,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0f6aa77e/cfe05d0c8657415988de795e01f58c52/FLAG16db60cda [2021-12-17 15:07:48,603 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:07:48,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2021-12-17 15:07:48,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0f6aa77e/cfe05d0c8657415988de795e01f58c52/FLAG16db60cda [2021-12-17 15:07:48,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0f6aa77e/cfe05d0c8657415988de795e01f58c52 [2021-12-17 15:07:48,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:07:48,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:07:48,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:07:48,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:07:48,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:07:49,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:07:48" (1/1) ... [2021-12-17 15:07:49,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d322a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:49, skipping insertion in model container [2021-12-17 15:07:49,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:07:48" (1/1) ... [2021-12-17 15:07:49,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:07:49,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:07:49,286 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_spec2_product56.cil.c[11292,11305] [2021-12-17 15:07:49,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:07:49,373 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:07:49,423 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_spec2_product56.cil.c[11292,11305] [2021-12-17 15:07:49,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:07:49,474 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:07:49,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:49 WrapperNode [2021-12-17 15:07:49,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:07:49,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:07:49,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:07:49,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:07:49,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:49" (1/1) ... [2021-12-17 15:07:49,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:49" (1/1) ... [2021-12-17 15:07:49,544 INFO L137 Inliner]: procedures = 59, calls = 162, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 285 [2021-12-17 15:07:49,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:07:49,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:07:49,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:07:49,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:07:49,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:49" (1/1) ... [2021-12-17 15:07:49,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:49" (1/1) ... [2021-12-17 15:07:49,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:49" (1/1) ... [2021-12-17 15:07:49,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:49" (1/1) ... [2021-12-17 15:07:49,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:49" (1/1) ... [2021-12-17 15:07:49,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:49" (1/1) ... [2021-12-17 15:07:49,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:49" (1/1) ... [2021-12-17 15:07:49,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:07:49,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:07:49,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:07:49,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:07:49,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:49" (1/1) ... [2021-12-17 15:07:49,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:07:49,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:49,624 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 15:07:49,654 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 15:07:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:07:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:07:49,671 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:07:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:07:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:07:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:07:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:07:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-17 15:07:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-17 15:07:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:07:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:07:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:07:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:07:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-17 15:07:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-17 15:07:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-17 15:07:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-17 15:07:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:07:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:07:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:07:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:07:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:07:49,736 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:07:49,738 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:07:50,019 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:07:50,025 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:07:50,029 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:07:50,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:50 BoogieIcfgContainer [2021-12-17 15:07:50,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:07:50,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:07:50,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:07:50,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:07:50,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:07:48" (1/3) ... [2021-12-17 15:07:50,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc3e562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:07:50, skipping insertion in model container [2021-12-17 15:07:50,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:49" (2/3) ... [2021-12-17 15:07:50,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc3e562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:07:50, skipping insertion in model container [2021-12-17 15:07:50,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:50" (3/3) ... [2021-12-17 15:07:50,043 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2021-12-17 15:07:50,052 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:07:50,052 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:07:50,087 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:07:50,092 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 15:07:50,093 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:07:50,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 79 states have (on average 1.379746835443038) internal successors, (109), 90 states have internal predecessors, (109), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2021-12-17 15:07:50,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-17 15:07:50,116 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:50,116 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:50,117 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:50,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:50,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1548791886, now seen corresponding path program 1 times [2021-12-17 15:07:50,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:50,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959666742] [2021-12-17 15:07:50,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:50,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:50,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-17 15:07:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:50,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:50,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959666742] [2021-12-17 15:07:50,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959666742] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:50,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:50,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:07:50,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892328876] [2021-12-17 15:07:50,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:50,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:07:50,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:50,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:07:50,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:07:50,332 INFO L87 Difference]: Start difference. First operand has 107 states, 79 states have (on average 1.379746835443038) internal successors, (109), 90 states have internal predecessors, (109), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:50,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:50,371 INFO L93 Difference]: Finished difference Result 205 states and 280 transitions. [2021-12-17 15:07:50,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:07:50,373 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-17 15:07:50,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:50,384 INFO L225 Difference]: With dead ends: 205 [2021-12-17 15:07:50,384 INFO L226 Difference]: Without dead ends: 98 [2021-12-17 15:07:50,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:07:50,394 INFO L933 BasicCegarLoop]: 137 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, 137 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 15:07:50,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:50,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-12-17 15:07:50,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-12-17 15:07:50,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 72 states have (on average 1.3194444444444444) internal successors, (95), 82 states have internal predecessors, (95), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2021-12-17 15:07:50,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 128 transitions. [2021-12-17 15:07:50,437 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 128 transitions. Word has length 25 [2021-12-17 15:07:50,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:50,437 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 128 transitions. [2021-12-17 15:07:50,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:50,437 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 128 transitions. [2021-12-17 15:07:50,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-17 15:07:50,440 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:50,440 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:50,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:07:50,441 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:50,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:50,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1194219528, now seen corresponding path program 1 times [2021-12-17 15:07:50,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:50,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314588868] [2021-12-17 15:07:50,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:50,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:50,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-17 15:07:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:50,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:50,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314588868] [2021-12-17 15:07:50,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314588868] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:50,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:50,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:07:50,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958734883] [2021-12-17 15:07:50,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:50,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:07:50,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:50,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:07:50,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:07:50,515 INFO L87 Difference]: Start difference. First operand 98 states and 128 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:50,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:50,531 INFO L93 Difference]: Finished difference Result 156 states and 204 transitions. [2021-12-17 15:07:50,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:07:50,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-17 15:07:50,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:50,534 INFO L225 Difference]: With dead ends: 156 [2021-12-17 15:07:50,534 INFO L226 Difference]: Without dead ends: 89 [2021-12-17 15:07:50,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:07:50,536 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 17 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:50,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 208 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:50,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-12-17 15:07:50,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-12-17 15:07:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 76 states have internal predecessors, (88), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-17 15:07:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 116 transitions. [2021-12-17 15:07:50,548 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 116 transitions. Word has length 26 [2021-12-17 15:07:50,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:50,548 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 116 transitions. [2021-12-17 15:07:50,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2021-12-17 15:07:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-17 15:07:50,550 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:50,550 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:50,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:07:50,551 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:50,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:50,551 INFO L85 PathProgramCache]: Analyzing trace with hash -72231615, now seen corresponding path program 1 times [2021-12-17 15:07:50,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:50,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138310612] [2021-12-17 15:07:50,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:50,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:50,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:07:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:50,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:50,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138310612] [2021-12-17 15:07:50,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138310612] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:50,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:50,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:07:50,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718051688] [2021-12-17 15:07:50,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:50,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:07:50,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:50,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:07:50,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:07:50,654 INFO L87 Difference]: Start difference. First operand 89 states and 116 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:50,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:50,687 INFO L93 Difference]: Finished difference Result 249 states and 331 transitions. [2021-12-17 15:07:50,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:07:50,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-17 15:07:50,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:50,690 INFO L225 Difference]: With dead ends: 249 [2021-12-17 15:07:50,690 INFO L226 Difference]: Without dead ends: 168 [2021-12-17 15:07:50,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:07:50,692 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 108 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:50,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 245 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:50,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-12-17 15:07:50,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165. [2021-12-17 15:07:50,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 120 states have (on average 1.3583333333333334) internal successors, (163), 139 states have internal predecessors, (163), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28) [2021-12-17 15:07:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 219 transitions. [2021-12-17 15:07:50,727 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 219 transitions. Word has length 31 [2021-12-17 15:07:50,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:50,727 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 219 transitions. [2021-12-17 15:07:50,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:50,728 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 219 transitions. [2021-12-17 15:07:50,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-17 15:07:50,734 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:50,734 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:50,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:07:50,735 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:50,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:50,736 INFO L85 PathProgramCache]: Analyzing trace with hash 301498308, now seen corresponding path program 1 times [2021-12-17 15:07:50,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:50,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38625065] [2021-12-17 15:07:50,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:50,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:50,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:07:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:50,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:50,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:50,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38625065] [2021-12-17 15:07:50,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38625065] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:50,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:50,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:50,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577285805] [2021-12-17 15:07:50,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:50,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:50,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:50,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:50,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:50,855 INFO L87 Difference]: Start difference. First operand 165 states and 219 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:51,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:51,005 INFO L93 Difference]: Finished difference Result 477 states and 642 transitions. [2021-12-17 15:07:51,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:07:51,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2021-12-17 15:07:51,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:51,012 INFO L225 Difference]: With dead ends: 477 [2021-12-17 15:07:51,014 INFO L226 Difference]: Without dead ends: 320 [2021-12-17 15:07:51,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 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 15:07:51,019 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 84 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:51,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 574 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:07:51,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-12-17 15:07:51,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 314. [2021-12-17 15:07:51,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 225 states have (on average 1.3466666666666667) internal successors, (303), 262 states have internal predecessors, (303), 56 states have call successors, (56), 32 states have call predecessors, (56), 32 states have return successors, (58), 34 states have call predecessors, (58), 56 states have call successors, (58) [2021-12-17 15:07:51,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 417 transitions. [2021-12-17 15:07:51,084 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 417 transitions. Word has length 34 [2021-12-17 15:07:51,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:51,086 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 417 transitions. [2021-12-17 15:07:51,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:51,087 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 417 transitions. [2021-12-17 15:07:51,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-17 15:07:51,089 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:51,090 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:51,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:07:51,090 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:51,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:51,091 INFO L85 PathProgramCache]: Analyzing trace with hash -393513024, now seen corresponding path program 1 times [2021-12-17 15:07:51,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:51,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356906785] [2021-12-17 15:07:51,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:51,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:51,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:51,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:07:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:51,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:51,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356906785] [2021-12-17 15:07:51,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356906785] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:51,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:51,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:51,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500621101] [2021-12-17 15:07:51,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:51,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:51,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:51,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:51,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:51,194 INFO L87 Difference]: Start difference. First operand 314 states and 417 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:07:51,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:51,488 INFO L93 Difference]: Finished difference Result 810 states and 1102 transitions. [2021-12-17 15:07:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:07:51,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2021-12-17 15:07:51,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:51,493 INFO L225 Difference]: With dead ends: 810 [2021-12-17 15:07:51,493 INFO L226 Difference]: Without dead ends: 504 [2021-12-17 15:07:51,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 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 15:07:51,495 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 128 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:51,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 268 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:07:51,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2021-12-17 15:07:51,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 490. [2021-12-17 15:07:51,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 357 states have (on average 1.2913165266106443) internal successors, (461), 390 states have internal predecessors, (461), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (100), 62 states have call predecessors, (100), 72 states have call successors, (100) [2021-12-17 15:07:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 633 transitions. [2021-12-17 15:07:51,531 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 633 transitions. Word has length 38 [2021-12-17 15:07:51,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:51,532 INFO L470 AbstractCegarLoop]: Abstraction has 490 states and 633 transitions. [2021-12-17 15:07:51,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:07:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 633 transitions. [2021-12-17 15:07:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-17 15:07:51,534 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:51,534 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:51,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:07:51,534 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:51,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:51,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1948781245, now seen corresponding path program 1 times [2021-12-17 15:07:51,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:51,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749438465] [2021-12-17 15:07:51,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:51,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:51,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:51,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:51,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-17 15:07:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:51,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:51,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749438465] [2021-12-17 15:07:51,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749438465] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:51,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:51,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 15:07:51,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209517169] [2021-12-17 15:07:51,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:51,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:07:51,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:51,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:07:51,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:07:51,637 INFO L87 Difference]: Start difference. First operand 490 states and 633 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:07:51,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:51,948 INFO L93 Difference]: Finished difference Result 1096 states and 1433 transitions. [2021-12-17 15:07:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 15:07:51,948 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2021-12-17 15:07:51,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:51,953 INFO L225 Difference]: With dead ends: 1096 [2021-12-17 15:07:51,953 INFO L226 Difference]: Without dead ends: 614 [2021-12-17 15:07:51,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:07:51,959 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 139 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:51,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 281 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:07:51,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2021-12-17 15:07:52,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 600. [2021-12-17 15:07:52,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 439 states have (on average 1.255125284738041) internal successors, (551), 472 states have internal predecessors, (551), 80 states have call successors, (80), 60 states have call predecessors, (80), 80 states have return successors, (128), 86 states have call predecessors, (128), 80 states have call successors, (128) [2021-12-17 15:07:52,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 759 transitions. [2021-12-17 15:07:52,018 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 759 transitions. Word has length 54 [2021-12-17 15:07:52,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:52,020 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 759 transitions. [2021-12-17 15:07:52,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:07:52,020 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 759 transitions. [2021-12-17 15:07:52,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-17 15:07:52,022 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:52,022 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:52,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:07:52,022 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:52,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:52,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1526079419, now seen corresponding path program 1 times [2021-12-17 15:07:52,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:52,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120770939] [2021-12-17 15:07:52,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:52,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-17 15:07:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:52,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:52,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120770939] [2021-12-17 15:07:52,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120770939] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:52,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:52,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 15:07:52,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409366341] [2021-12-17 15:07:52,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:52,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:07:52,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:52,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:07:52,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:07:52,162 INFO L87 Difference]: Start difference. First operand 600 states and 759 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:07:52,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:52,597 INFO L93 Difference]: Finished difference Result 1234 states and 1609 transitions. [2021-12-17 15:07:52,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 15:07:52,598 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2021-12-17 15:07:52,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:52,601 INFO L225 Difference]: With dead ends: 1234 [2021-12-17 15:07:52,601 INFO L226 Difference]: Without dead ends: 642 [2021-12-17 15:07:52,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-12-17 15:07:52,604 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 349 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:52,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 314 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 15:07:52,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2021-12-17 15:07:52,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 608. [2021-12-17 15:07:52,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 447 states have (on average 1.250559284116331) internal successors, (559), 480 states have internal predecessors, (559), 80 states have call successors, (80), 60 states have call predecessors, (80), 80 states have return successors, (128), 86 states have call predecessors, (128), 80 states have call successors, (128) [2021-12-17 15:07:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 767 transitions. [2021-12-17 15:07:52,633 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 767 transitions. Word has length 54 [2021-12-17 15:07:52,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:52,634 INFO L470 AbstractCegarLoop]: Abstraction has 608 states and 767 transitions. [2021-12-17 15:07:52,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:07:52,634 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 767 transitions. [2021-12-17 15:07:52,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-17 15:07:52,635 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:52,635 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:52,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:07:52,635 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:52,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:52,636 INFO L85 PathProgramCache]: Analyzing trace with hash 963449543, now seen corresponding path program 1 times [2021-12-17 15:07:52,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:52,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107801419] [2021-12-17 15:07:52,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:52,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-17 15:07:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:52,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:52,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107801419] [2021-12-17 15:07:52,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107801419] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:52,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:52,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:52,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069650309] [2021-12-17 15:07:52,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:52,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:52,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:52,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:52,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:52,696 INFO L87 Difference]: Start difference. First operand 608 states and 767 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:07:53,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:53,077 INFO L93 Difference]: Finished difference Result 1740 states and 2285 transitions. [2021-12-17 15:07:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-17 15:07:53,077 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 54 [2021-12-17 15:07:53,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:53,083 INFO L225 Difference]: With dead ends: 1740 [2021-12-17 15:07:53,083 INFO L226 Difference]: Without dead ends: 1140 [2021-12-17 15:07:53,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:07:53,086 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 356 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:53,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 302 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 15:07:53,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2021-12-17 15:07:53,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1128. [2021-12-17 15:07:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 831 states have (on average 1.2166064981949458) internal successors, (1011), 882 states have internal predecessors, (1011), 150 states have call successors, (150), 134 states have call predecessors, (150), 146 states have return successors, (264), 152 states have call predecessors, (264), 150 states have call successors, (264) [2021-12-17 15:07:53,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1425 transitions. [2021-12-17 15:07:53,142 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1425 transitions. Word has length 54 [2021-12-17 15:07:53,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:53,143 INFO L470 AbstractCegarLoop]: Abstraction has 1128 states and 1425 transitions. [2021-12-17 15:07:53,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:07:53,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1425 transitions. [2021-12-17 15:07:53,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-17 15:07:53,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:53,144 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:53,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:07:53,145 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:53,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:53,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1198586465, now seen corresponding path program 1 times [2021-12-17 15:07:53,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:53,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166658912] [2021-12-17 15:07:53,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:53,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:07:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:07:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 15:07:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-17 15:07:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:53,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:53,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166658912] [2021-12-17 15:07:53,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166658912] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:53,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:53,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:53,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301062306] [2021-12-17 15:07:53,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:53,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:53,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:53,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:53,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:53,222 INFO L87 Difference]: Start difference. First operand 1128 states and 1425 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:07:53,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:53,670 INFO L93 Difference]: Finished difference Result 2206 states and 2949 transitions. [2021-12-17 15:07:53,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 15:07:53,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2021-12-17 15:07:53,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:53,682 INFO L225 Difference]: With dead ends: 2206 [2021-12-17 15:07:53,682 INFO L226 Difference]: Without dead ends: 2204 [2021-12-17 15:07:53,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-12-17 15:07:53,684 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 500 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:53,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [502 Valid, 229 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 15:07:53,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2204 states. [2021-12-17 15:07:53,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2204 to 1715. [2021-12-17 15:07:53,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1258 states have (on average 1.2217806041335453) internal successors, (1537), 1354 states have internal predecessors, (1537), 239 states have call successors, (239), 173 states have call predecessors, (239), 217 states have return successors, (504), 238 states have call predecessors, (504), 239 states have call successors, (504) [2021-12-17 15:07:53,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2280 transitions. [2021-12-17 15:07:53,792 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2280 transitions. Word has length 58 [2021-12-17 15:07:53,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:53,792 INFO L470 AbstractCegarLoop]: Abstraction has 1715 states and 2280 transitions. [2021-12-17 15:07:53,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:07:53,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2280 transitions. [2021-12-17 15:07:53,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-17 15:07:53,797 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:53,798 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-17 15:07:53,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 15:07:53,798 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:53,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:53,799 INFO L85 PathProgramCache]: Analyzing trace with hash 187261637, now seen corresponding path program 1 times [2021-12-17 15:07:53,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:53,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681423797] [2021-12-17 15:07:53,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:53,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:07:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:07:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:07:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:07:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-17 15:07:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-17 15:07:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:07:53,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:53,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681423797] [2021-12-17 15:07:53,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681423797] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:53,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:53,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 15:07:53,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838569417] [2021-12-17 15:07:53,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:53,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 15:07:53,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:53,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 15:07:53,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:07:53,906 INFO L87 Difference]: Start difference. First operand 1715 states and 2280 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2021-12-17 15:07:54,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:54,329 INFO L93 Difference]: Finished difference Result 2820 states and 3730 transitions. [2021-12-17 15:07:54,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-17 15:07:54,329 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 88 [2021-12-17 15:07:54,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:54,335 INFO L225 Difference]: With dead ends: 2820 [2021-12-17 15:07:54,335 INFO L226 Difference]: Without dead ends: 1113 [2021-12-17 15:07:54,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-12-17 15:07:54,340 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 330 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:54,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [339 Valid, 330 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 15:07:54,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2021-12-17 15:07:54,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 1062. [2021-12-17 15:07:54,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 785 states have (on average 1.2101910828025477) internal successors, (950), 846 states have internal predecessors, (950), 143 states have call successors, (143), 110 states have call predecessors, (143), 133 states have return successors, (278), 142 states have call predecessors, (278), 143 states have call successors, (278) [2021-12-17 15:07:54,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1371 transitions. [2021-12-17 15:07:54,395 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1371 transitions. Word has length 88 [2021-12-17 15:07:54,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:54,397 INFO L470 AbstractCegarLoop]: Abstraction has 1062 states and 1371 transitions. [2021-12-17 15:07:54,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2021-12-17 15:07:54,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1371 transitions. [2021-12-17 15:07:54,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-17 15:07:54,404 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:54,404 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 15:07:54,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 15:07:54,405 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:54,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:54,406 INFO L85 PathProgramCache]: Analyzing trace with hash -832622466, now seen corresponding path program 1 times [2021-12-17 15:07:54,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:54,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433978101] [2021-12-17 15:07:54,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:54,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:07:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:07:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:07:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-17 15:07:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-17 15:07:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-17 15:07:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,513 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-17 15:07:54,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:54,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433978101] [2021-12-17 15:07:54,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433978101] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:07:54,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320375463] [2021-12-17 15:07:54,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:54,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:54,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:54,520 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 15:07:54,524 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 15:07:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 15:07:54,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:07:54,861 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:54,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:07:54,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320375463] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:54,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:07:54,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2021-12-17 15:07:54,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988853332] [2021-12-17 15:07:54,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:54,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:07:54,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:54,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:07:54,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:07:54,864 INFO L87 Difference]: Start difference. First operand 1062 states and 1371 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-17 15:07:54,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:54,956 INFO L93 Difference]: Finished difference Result 1830 states and 2407 transitions. [2021-12-17 15:07:54,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:07:54,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 102 [2021-12-17 15:07:54,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:54,962 INFO L225 Difference]: With dead ends: 1830 [2021-12-17 15:07:54,962 INFO L226 Difference]: Without dead ends: 950 [2021-12-17 15:07:54,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:07:54,966 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 53 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:54,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 233 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:54,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2021-12-17 15:07:55,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 950. [2021-12-17 15:07:55,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 702 states have (on average 1.1851851851851851) internal successors, (832), 758 states have internal predecessors, (832), 128 states have call successors, (128), 103 states have call predecessors, (128), 119 states have return successors, (189), 125 states have call predecessors, (189), 128 states have call successors, (189) [2021-12-17 15:07:55,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1149 transitions. [2021-12-17 15:07:55,016 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1149 transitions. Word has length 102 [2021-12-17 15:07:55,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:55,017 INFO L470 AbstractCegarLoop]: Abstraction has 950 states and 1149 transitions. [2021-12-17 15:07:55,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-17 15:07:55,017 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1149 transitions. [2021-12-17 15:07:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-17 15:07:55,019 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:55,019 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:07:55,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-17 15:07:55,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-17 15:07:55,243 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:55,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:55,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1470383360, now seen corresponding path program 1 times [2021-12-17 15:07:55,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:55,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901444217] [2021-12-17 15:07:55,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:55,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:07:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:07:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:07:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-17 15:07:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-17 15:07:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-17 15:07:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-17 15:07:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-17 15:07:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,398 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-17 15:07:55,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:55,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901444217] [2021-12-17 15:07:55,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901444217] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:07:55,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454636426] [2021-12-17 15:07:55,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:55,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:55,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:55,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:07:55,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 15:07:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 15:07:55,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:07:55,742 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-17 15:07:55,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:07:55,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454636426] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:55,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:07:55,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2021-12-17 15:07:55,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270616089] [2021-12-17 15:07:55,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:55,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:07:55,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:55,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:07:55,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-12-17 15:07:55,745 INFO L87 Difference]: Start difference. First operand 950 states and 1149 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-17 15:07:55,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:55,863 INFO L93 Difference]: Finished difference Result 1753 states and 2113 transitions. [2021-12-17 15:07:55,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:07:55,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2021-12-17 15:07:55,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:55,865 INFO L225 Difference]: With dead ends: 1753 [2021-12-17 15:07:55,865 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:07:55,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2021-12-17 15:07:55,869 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 53 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:55,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 1044 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:07:55,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:07:55,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:07:55,870 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 15:07:55,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:07:55,871 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2021-12-17 15:07:55,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:55,871 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:07:55,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-17 15:07:55,871 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:07:55,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:07:55,874 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:07:55,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 15:07:56,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-17 15:07:56,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:08:01,834 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 702 709) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse3) (or .cse0 .cse2 .cse5 .cse3) (or .cse4 .cse1 .cse2 .cse6 .cse3))) [2021-12-17 15:08:01,835 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 702 709) no Hoare annotation was computed. [2021-12-17 15:08:01,835 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 702 709) no Hoare annotation was computed. [2021-12-17 15:08:01,835 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 609 615) no Hoare annotation was computed. [2021-12-17 15:08:01,835 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 609 615) the Hoare annotation is: true [2021-12-17 15:08:01,835 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 459 470) no Hoare annotation was computed. [2021-12-17 15:08:01,835 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 459 470) the Hoare annotation is: (let ((.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse8 (not (= ~systemActive~0 0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse7 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse4 .cse5 .cse0 .cse6 .cse7) (or .cse4 .cse0 .cse2 .cse6 .cse7) (or .cse5 .cse1 .cse3 .cse7 .cse8) (or .cse5 .cse0 .cse1 .cse3 .cse7))) [2021-12-17 15:08:01,836 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 459 470) no Hoare annotation was computed. [2021-12-17 15:08:01,836 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 937 966) no Hoare annotation was computed. [2021-12-17 15:08:01,836 INFO L858 garLoopResultBuilder]: For program point L958(line 958) no Hoare annotation was computed. [2021-12-17 15:08:01,836 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 937 966) the Hoare annotation is: true [2021-12-17 15:08:01,836 INFO L858 garLoopResultBuilder]: For program point L951(lines 951 955) no Hoare annotation was computed. [2021-12-17 15:08:01,836 INFO L861 garLoopResultBuilder]: At program point L951-1(lines 951 955) the Hoare annotation is: true [2021-12-17 15:08:01,836 INFO L858 garLoopResultBuilder]: For program point L948(line 948) no Hoare annotation was computed. [2021-12-17 15:08:01,836 INFO L861 garLoopResultBuilder]: At program point L947-2(lines 947 961) the Hoare annotation is: true [2021-12-17 15:08:01,836 INFO L861 garLoopResultBuilder]: At program point L943(line 943) the Hoare annotation is: true [2021-12-17 15:08:01,836 INFO L858 garLoopResultBuilder]: For program point L943-1(line 943) no Hoare annotation was computed. [2021-12-17 15:08:01,836 INFO L861 garLoopResultBuilder]: At program point L962(lines 937 966) the Hoare annotation is: true [2021-12-17 15:08:01,837 INFO L854 garLoopResultBuilder]: At program point L688(line 688) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~pumpRunning~0 0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse2 .cse6) (or .cse4 .cse1 .cse5) (or .cse0 .cse3 .cse4 (and .cse7 (= ~methAndRunningLastTime~0 0) .cse8) .cse6) (or (and (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) .cse7 .cse8) .cse0 .cse4 .cse1 .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse3 .cse2))) [2021-12-17 15:08:01,837 INFO L854 garLoopResultBuilder]: At program point L688-1(lines 669 693) the Hoare annotation is: (let ((.cse13 (<= 1 ~methaneLevelCritical~0)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= ~pumpRunning~0 0))) (let ((.cse6 (not (= ~systemActive~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse10 (<= 1 ~pumpRunning~0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse12 (and (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) .cse9 .cse2)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (and (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse13 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse2)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not .cse13)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse4 .cse3 .cse8) (or .cse5 .cse1 .cse6) (or (and .cse9 .cse10 .cse11) .cse12 .cse0 .cse5 .cse1 .cse8) (or (and .cse9 .cse10 .cse11 (= ~methAndRunningLastTime~0 0)) .cse12 .cse0 .cse4 .cse5 .cse8) (or (not (<= 2 |old(~waterLevel~0)|)) .cse7 .cse0 .cse4 .cse3)))) [2021-12-17 15:08:01,837 INFO L854 garLoopResultBuilder]: At program point L717(lines 710 720) the Hoare annotation is: (let ((.cse8 (not (= ~systemActive~0 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse0 .cse6 .cse4) (or .cse3 .cse7 .cse8) (or .cse7 .cse6 .cse8) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse3 (and .cse0 .cse1) .cse4) (or .cse2 .cse7 .cse6 .cse5) (or .cse2 .cse3 .cse7 .cse5))) [2021-12-17 15:08:01,837 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 588 607) no Hoare annotation was computed. [2021-12-17 15:08:01,837 INFO L854 garLoopResultBuilder]: At program point L552(line 552) the Hoare annotation is: (let ((.cse15 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse5 (not (= ~systemActive~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse13 (<= 1 ~pumpRunning~0)) (.cse14 (<= 2 ~waterLevel~0)) (.cse6 (and .cse0 .cse1 .cse9)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (and (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse15 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse9)) (.cse8 (not (= 1 ~systemActive~0))) (.cse7 (not .cse15)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse8 .cse2 .cse4 .cse9 .cse10) (or .cse11 .cse8 .cse7 .cse10 .cse12) (or (and .cse1 .cse13 .cse14) .cse6 .cse8 .cse3 .cse4 .cse12) (or (and .cse1 .cse13 .cse14 (= ~methAndRunningLastTime~0 0)) .cse6 .cse8 .cse7 .cse3 .cse12) (or (not (<= 2 |old(~waterLevel~0)|)) .cse11 .cse8 .cse7 .cse10)))) [2021-12-17 15:08:01,837 INFO L858 garLoopResultBuilder]: For program point L552-1(line 552) no Hoare annotation was computed. [2021-12-17 15:08:01,837 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 585 608) no Hoare annotation was computed. [2021-12-17 15:08:01,837 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-12-17 15:08:01,837 INFO L854 garLoopResultBuilder]: At program point L726(lines 721 729) the Hoare annotation is: (let ((.cse9 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse11 (= ~pumpRunning~0 0))) (let ((.cse4 (and (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse9 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse11)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2 .cse5) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse3 .cse4 .cse2) (or .cse6 .cse1 .cse7) (or .cse0 .cse6 .cse1 .cse5) (or (and .cse8 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)) (and .cse9 .cse10 .cse8 .cse11) .cse0 .cse3 .cse6 .cse5) (or (and .cse9 .cse10 .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse3 .cse6 .cse7)))) [2021-12-17 15:08:01,838 INFO L858 garLoopResultBuilder]: For program point L677(lines 677 685) no Hoare annotation was computed. [2021-12-17 15:08:01,838 INFO L854 garLoopResultBuilder]: At program point L421(lines 416 423) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse2 .cse6) (or .cse4 .cse1 .cse5) (or .cse0 .cse4 .cse1 .cse6) (or .cse0 .cse3 .cse4 .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse3 .cse2))) [2021-12-17 15:08:01,838 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 690) no Hoare annotation was computed. [2021-12-17 15:08:01,838 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 568) no Hoare annotation was computed. [2021-12-17 15:08:01,838 INFO L854 garLoopResultBuilder]: At program point L715(line 715) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse5 .cse2 .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse4 .cse1 .cse3) (or .cse0 .cse5 .cse2 .cse7) (or .cse0 .cse4 .cse5 .cse7) (or .cse0 .cse4 (and .cse1 (= ~methAndRunningLastTime~0 0)) .cse3 .cse7))) [2021-12-17 15:08:01,838 INFO L858 garLoopResultBuilder]: For program point L715-1(line 715) no Hoare annotation was computed. [2021-12-17 15:08:01,838 INFO L858 garLoopResultBuilder]: For program point L554(lines 554 571) no Hoare annotation was computed. [2021-12-17 15:08:01,838 INFO L854 garLoopResultBuilder]: At program point L554-1(lines 546 574) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse17 (<= 1 ~methaneLevelCritical~0)) (.cse18 (= 1 ~systemActive~0)) (.cse1 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~3#1| 0)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and .cse1 .cse2 .cse5 .cse10)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not .cse18)) (.cse14 (and (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse5 .cse17 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse10 .cse18)) (.cse12 (not (<= 1 |old(~pumpRunning~0)|))) (.cse16 (and .cse2 .cse11 .cse5)) (.cse13 (not .cse17)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse15 (not (= ~systemActive~0 0)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse0 (and .cse1 .cse5 .cse10) (and .cse1 .cse11 .cse5) .cse7 .cse12) (or .cse0 .cse13 .cse14 .cse12 .cse9) (or .cse6 .cse7 .cse8 .cse15) (or .cse16 (and .cse2 .cse3 .cse4) .cse0 .cse13 .cse6 .cse9) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse13 .cse14 .cse12) (or .cse16 .cse13 .cse6 .cse15)))) [2021-12-17 15:08:01,838 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-12-17 15:08:01,839 INFO L854 garLoopResultBuilder]: At program point L439-2(lines 435 446) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse5 .cse2 .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse4 .cse1 .cse3) (or .cse0 .cse5 .cse2 .cse7) (or .cse0 .cse4 .cse5 .cse7) (or .cse0 .cse4 (and .cse1 (= ~methAndRunningLastTime~0 0)) .cse3 .cse7))) [2021-12-17 15:08:01,839 INFO L858 garLoopResultBuilder]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2021-12-17 15:08:01,839 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 585 608) the Hoare annotation is: (let ((.cse9 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= ~systemActive~0 0))) (.cse0 (and .cse5 .cse4 .cse8)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse13 (and .cse4 .cse9 .cse6)) (.cse12 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse7 .cse1 .cse3) (or (and .cse4 .cse8 .cse9) .cse10 .cse7 .cse11 .cse12) (or .cse0 .cse10 .cse2 .cse11) (or .cse10 .cse7 .cse1 .cse13 .cse12) (or (not (<= 2 |old(~waterLevel~0)|)) .cse10 .cse7 (and .cse4 .cse5 .cse8) .cse11) (or .cse10 .cse1 .cse2 .cse13 .cse12)))) [2021-12-17 15:08:01,839 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 565) no Hoare annotation was computed. [2021-12-17 15:08:01,839 INFO L854 garLoopResultBuilder]: At program point L683(line 683) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse2 .cse6) (or .cse4 .cse1 .cse5) (or .cse0 .cse4 .cse1 .cse6) (or .cse0 .cse3 .cse4 .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse3 .cse2))) [2021-12-17 15:08:01,839 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 585 608) no Hoare annotation was computed. [2021-12-17 15:08:01,839 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-12-17 15:08:01,839 INFO L854 garLoopResultBuilder]: At program point L679(line 679) the Hoare annotation is: (let ((.cse0 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) (.cse2 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= ~systemActive~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse3 .cse4 (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2) .cse5 .cse6) (or .cse3 .cse1 .cse7 .cse5) (or .cse4 .cse8 .cse9) (or .cse8 .cse7 .cse9) (or .cse3 .cse8 .cse7 .cse6) (or .cse3 .cse4 .cse8 .cse6))) [2021-12-17 15:08:01,839 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 471 479) the Hoare annotation is: true [2021-12-17 15:08:01,840 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 471 479) no Hoare annotation was computed. [2021-12-17 15:08:01,840 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 471 479) no Hoare annotation was computed. [2021-12-17 15:08:01,840 INFO L854 garLoopResultBuilder]: At program point L543(lines 538 545) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:08:01,840 INFO L854 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse4 .cse3) (and .cse0 .cse7 .cse4 .cse3 .cse5))) [2021-12-17 15:08:01,840 INFO L854 garLoopResultBuilder]: At program point L923(lines 919 925) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:08:01,840 INFO L854 garLoopResultBuilder]: At program point L824(lines 819 826) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse6 .cse4 .cse3 .cse5))) [2021-12-17 15:08:01,840 INFO L854 garLoopResultBuilder]: At program point L886(lines 839 888) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse4 .cse3) (and .cse0 .cse7 .cse4 .cse3 .cse5))) [2021-12-17 15:08:01,840 INFO L858 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-12-17 15:08:01,840 INFO L858 garLoopResultBuilder]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2021-12-17 15:08:01,840 INFO L854 garLoopResultBuilder]: At program point L816(lines 804 818) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2))) [2021-12-17 15:08:01,841 INFO L861 garLoopResultBuilder]: At program point L1006(lines 998 1008) the Hoare annotation is: true [2021-12-17 15:08:01,841 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2021-12-17 15:08:01,841 INFO L858 garLoopResultBuilder]: For program point L808(lines 808 814) no Hoare annotation was computed. [2021-12-17 15:08:01,841 INFO L858 garLoopResultBuilder]: For program point L808-1(lines 808 814) no Hoare annotation was computed. [2021-12-17 15:08:01,841 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:08:01,841 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:08:01,841 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:08:01,841 INFO L858 garLoopResultBuilder]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2021-12-17 15:08:01,841 INFO L858 garLoopResultBuilder]: For program point L1019-2(lines 1019 1026) no Hoare annotation was computed. [2021-12-17 15:08:01,841 INFO L854 garLoopResultBuilder]: At program point L916(lines 912 918) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:08:01,841 INFO L861 garLoopResultBuilder]: At program point L1028(lines 1009 1031) the Hoare annotation is: true [2021-12-17 15:08:01,841 INFO L854 garLoopResultBuilder]: At program point L995(lines 991 997) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:08:01,841 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:08:01,842 INFO L861 garLoopResultBuilder]: At program point L892(lines 829 896) the Hoare annotation is: true [2021-12-17 15:08:01,842 INFO L858 garLoopResultBuilder]: For program point L859(lines 859 865) no Hoare annotation was computed. [2021-12-17 15:08:01,842 INFO L858 garLoopResultBuilder]: For program point L859-1(lines 859 865) no Hoare annotation was computed. [2021-12-17 15:08:01,842 INFO L854 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse4 .cse3) (and .cse0 .cse7 .cse4 .cse3 .cse5))) [2021-12-17 15:08:01,842 INFO L854 garLoopResultBuilder]: At program point L810(line 810) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse5 .cse4) (and .cse0 .cse1 .cse2 .cse6) (and .cse0 .cse2 (= ~methAndRunningLastTime~0 0) .cse5 .cse6))) [2021-12-17 15:08:01,842 INFO L854 garLoopResultBuilder]: At program point L889(lines 838 890) the Hoare annotation is: false [2021-12-17 15:08:01,842 INFO L858 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2021-12-17 15:08:01,842 INFO L854 garLoopResultBuilder]: At program point L877-2(lines 869 884) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~systemActive~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse7 .cse5) (and .cse0 .cse7 .cse1 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse7 .cse4 .cse3 .cse5) (and .cse0 .cse6 .cse2 .cse5))) [2021-12-17 15:08:01,842 INFO L858 garLoopResultBuilder]: For program point L840(lines 839 888) no Hoare annotation was computed. [2021-12-17 15:08:01,842 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 884) no Hoare annotation was computed. [2021-12-17 15:08:01,842 INFO L854 garLoopResultBuilder]: At program point L931(lines 926 934) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:08:01,843 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 617 641) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse3))) [2021-12-17 15:08:01,843 INFO L854 garLoopResultBuilder]: At program point L636(line 636) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-17 15:08:01,843 INFO L858 garLoopResultBuilder]: For program point L636-1(lines 617 641) no Hoare annotation was computed. [2021-12-17 15:08:01,843 INFO L854 garLoopResultBuilder]: At program point L781(lines 766 784) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) .cse5)) (.cse2 (and (<= 2 ~waterLevel~0) .cse5)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse3 .cse0 .cse4 .cse1) (or .cse3 .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse4 (not (= ~methAndRunningLastTime~0 0)))))) [2021-12-17 15:08:01,843 INFO L854 garLoopResultBuilder]: At program point L521(lines 512 525) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse0 (and (<= 2 ~waterLevel~0) .cse5)) (.cse1 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse5)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse4 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse2 .cse3 .cse4)))) [2021-12-17 15:08:01,843 INFO L858 garLoopResultBuilder]: For program point L775(lines 775 779) no Hoare annotation was computed. [2021-12-17 15:08:01,843 INFO L858 garLoopResultBuilder]: For program point L775-2(lines 775 779) no Hoare annotation was computed. [2021-12-17 15:08:01,843 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 617 641) no Hoare annotation was computed. [2021-12-17 15:08:01,843 INFO L854 garLoopResultBuilder]: At program point L699(lines 694 701) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse0 .cse3 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-17 15:08:01,843 INFO L854 garLoopResultBuilder]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~4#1| 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse2 .cse3 .cse1))) [2021-12-17 15:08:01,844 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 633) no Hoare annotation was computed. [2021-12-17 15:08:01,844 INFO L858 garLoopResultBuilder]: For program point L621(lines 621 638) no Hoare annotation was computed. [2021-12-17 15:08:01,844 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2021-12-17 15:08:01,844 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 447 458) no Hoare annotation was computed. [2021-12-17 15:08:01,844 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 447 458) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse1 .cse3 .cse5) (or .cse4 .cse0 .cse3 .cse5 .cse6) (or .cse4 .cse1 .cse3 .cse5 .cse7) (or .cse0 .cse2 .cse3 .cse5 .cse6))) [2021-12-17 15:08:01,844 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 447 458) no Hoare annotation was computed. [2021-12-17 15:08:01,844 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 643 667) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse3))) [2021-12-17 15:08:01,844 INFO L854 garLoopResultBuilder]: At program point L531(lines 526 534) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-17 15:08:01,844 INFO L854 garLoopResultBuilder]: At program point L657(line 657) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-17 15:08:01,844 INFO L854 garLoopResultBuilder]: At program point L653(line 653) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-17 15:08:01,844 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 659) no Hoare annotation was computed. [2021-12-17 15:08:01,844 INFO L858 garLoopResultBuilder]: For program point L647(lines 647 664) no Hoare annotation was computed. [2021-12-17 15:08:01,845 INFO L854 garLoopResultBuilder]: At program point L800(lines 785 803) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-17 15:08:01,845 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 643 667) no Hoare annotation was computed. [2021-12-17 15:08:01,845 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-12-17 15:08:01,845 INFO L858 garLoopResultBuilder]: For program point L794-2(lines 794 798) no Hoare annotation was computed. [2021-12-17 15:08:01,845 INFO L854 garLoopResultBuilder]: At program point L662(line 662) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse3))) [2021-12-17 15:08:01,845 INFO L858 garLoopResultBuilder]: For program point L662-1(lines 643 667) no Hoare annotation was computed. [2021-12-17 15:08:01,848 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:01,849 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:08:01,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:08:01 BoogieIcfgContainer [2021-12-17 15:08:01,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:08:01,874 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:08:01,874 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:08:01,874 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:08:01,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:50" (3/4) ... [2021-12-17 15:08:01,877 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:08:01,881 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-17 15:08:01,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:08:01,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:08:01,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:08:01,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:08:01,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-17 15:08:01,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:08:01,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:08:01,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-12-17 15:08:01,888 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-12-17 15:08:01,889 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:08:01,889 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:08:01,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:08:01,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:08:01,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:08:01,891 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:08:01,908 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) [2021-12-17 15:08:01,909 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || pumpRunning == 0) || !(1 <= \old(pumpRunning))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((((((1 <= tmp && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || ((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || ((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || (((1 <= tmp && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:08:01,909 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == systemActive) || ((((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (((tmp == 0 && waterLevel == \old(waterLevel)) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) == 0)) && ((((!(1 == systemActive) || ((tmp == 0 && methAndRunningLastTime == 0) && pumpRunning == 0)) || ((tmp == 0 && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((tmp == 0 && waterLevel == \old(waterLevel)) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(systemActive == 0))) && (((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= \old(pumpRunning)))) && (((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) [2021-12-17 15:08:01,910 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) [2021-12-17 15:08:01,910 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && \result == 0) && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && \result == 0) && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || (((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) [2021-12-17 15:08:01,910 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) [2021-12-17 15:08:01,911 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && pumpRunning == 0) || (1 <= \result && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((((2 <= waterLevel && pumpRunning == 0) || (1 <= \result && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) [2021-12-17 15:08:01,911 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:08:01,911 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) [2021-12-17 15:08:01,913 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((((((\result == 0 && tmp___0 == 0) && pumpRunning == 0) || (2 <= waterLevel && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) [2021-12-17 15:08:01,914 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((((1 <= pumpRunning && 2 <= waterLevel) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((((1 <= pumpRunning && 2 <= waterLevel) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) [2021-12-17 15:08:01,954 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:08:01,955 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:08:01,955 INFO L158 Benchmark]: Toolchain (without parser) took 12961.98ms. Allocated memory was 96.5MB in the beginning and 218.1MB in the end (delta: 121.6MB). Free memory was 64.3MB in the beginning and 83.2MB in the end (delta: -18.9MB). Peak memory consumption was 102.7MB. Max. memory is 16.1GB. [2021-12-17 15:08:01,955 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:08:01,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.59ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 64.3MB in the beginning and 90.6MB in the end (delta: -26.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 15:08:01,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.57ms. Allocated memory is still 123.7MB. Free memory was 90.6MB in the beginning and 88.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:08:01,956 INFO L158 Benchmark]: Boogie Preprocessor took 46.39ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 86.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:08:01,957 INFO L158 Benchmark]: RCFGBuilder took 437.52ms. Allocated memory is still 123.7MB. Free memory was 86.4MB in the beginning and 69.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-17 15:08:01,957 INFO L158 Benchmark]: TraceAbstraction took 11838.88ms. Allocated memory was 123.7MB in the beginning and 218.1MB in the end (delta: 94.4MB). Free memory was 68.6MB in the beginning and 90.6MB in the end (delta: -22.0MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. [2021-12-17 15:08:01,957 INFO L158 Benchmark]: Witness Printer took 80.57ms. Allocated memory is still 218.1MB. Free memory was 90.6MB in the beginning and 83.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 15:08:01,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.59ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 64.3MB in the beginning and 90.6MB in the end (delta: -26.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.57ms. Allocated memory is still 123.7MB. Free memory was 90.6MB in the beginning and 88.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.39ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 86.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.52ms. Allocated memory is still 123.7MB. Free memory was 86.4MB in the beginning and 69.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11838.88ms. Allocated memory was 123.7MB in the beginning and 218.1MB in the end (delta: 94.4MB). Free memory was 68.6MB in the beginning and 90.6MB in the end (delta: -22.0MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. * Witness Printer took 80.57ms. Allocated memory is still 218.1MB. Free memory was 90.6MB in the beginning and 83.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.8s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2153 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2117 mSDsluCounter, 4165 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2560 mSDsCounter, 813 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2090 IncrementalHoareTripleChecker+Invalid, 2903 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 813 mSolverCounterUnsat, 1605 mSDtfsCounter, 2090 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 443 GetRequests, 339 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1715occurred in iteration=9, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 623 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 3199 PreInvPairs, 3447 NumberOfFragments, 3451 HoareAnnotationTreeSize, 3199 FomulaSimplifications, 2505 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 50 FomulaSimplificationsInter, 23111 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 890 NumberOfCodeBlocks, 890 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 876 ConstructedInterpolants, 0 QuantifiedInterpolants, 1579 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1007 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 169/180 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: 694]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((((1 <= pumpRunning && 2 <= waterLevel) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((((1 <= pumpRunning && 2 <= waterLevel) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && systemActive == 0) && methaneLevelCritical == 0) && pumpRunning == 0) || (((splverifierCounter == 0 && systemActive == 0) && 1 <= methaneLevelCritical) && pumpRunning == 0) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((((((\result == 0 && tmp___0 == 0) && pumpRunning == 0) || (2 <= waterLevel && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && \result == 0) && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && \result == 0) && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || (((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((((((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || pumpRunning == 0) || !(1 <= \old(pumpRunning))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((((((1 <= tmp && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || ((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || ((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || (((1 <= tmp && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && pumpRunning == 0) || (1 <= \result && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((((2 <= waterLevel && pumpRunning == 0) || (1 <= \result && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: ((((((((((!(1 == systemActive) || ((((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (((tmp == 0 && waterLevel == \old(waterLevel)) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) == 0)) && ((((!(1 == systemActive) || ((tmp == 0 && methAndRunningLastTime == 0) && pumpRunning == 0)) || ((tmp == 0 && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((tmp == 0 && waterLevel == \old(waterLevel)) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(systemActive == 0))) && (((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= \old(pumpRunning)))) && (((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) - InvariantResult [Line: 1009]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 1 <= pumpRunning) && 2 <= waterLevel) && 1 <= methaneLevelCritical) && systemActive == 1) || ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && systemActive == 1) && pumpRunning == 0)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 <= pumpRunning) && systemActive == 1)) || ((((splverifierCounter == 0 && 1 <= pumpRunning) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && systemActive == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && 1 <= pumpRunning) && 2 <= waterLevel) && 1 <= methaneLevelCritical) && systemActive == 1) || ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && systemActive == 1) && pumpRunning == 0)) || ((((splverifierCounter == 0 && systemActive == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && pumpRunning == 0)) || ((((splverifierCounter == 0 && systemActive == 0) && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && pumpRunning == 0)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 <= pumpRunning) && methAndRunningLastTime == 0) && systemActive == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-17 15:08:02,014 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