./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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_product48.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 1ab16baa4986c30d82da896f91b34098372adf7a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:42:33,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:33,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:33,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:33,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:33,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:33,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:33,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:33,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:33,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:33,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:33,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:33,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:33,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:33,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:33,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:33,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:33,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:33,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:33,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:33,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:33,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:33,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:33,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:33,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:33,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:33,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:33,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:33,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:33,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:33,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:33,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:33,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:33,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:33,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:33,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:33,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:33,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:33,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:33,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:33,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:33,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:33,791 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:33,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:33,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:33,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:33,794 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:33,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:33,794 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:33,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:33,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:33,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:33,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:33,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:33,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:33,796 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:33,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:33,796 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:33,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:33,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:33,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:33,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:33,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:33,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:33,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:33,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:33,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:33,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:33,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:33,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:33,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:33,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 1ab16baa4986c30d82da896f91b34098372adf7a [2020-10-20 01:42:33,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:34,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:34,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:34,013 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:34,013 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:34,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2020-10-20 01:42:34,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be27409dc/1019427b25e845149c29b7e6f730e7d0/FLAGcec4447f1 [2020-10-20 01:42:34,630 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:34,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2020-10-20 01:42:34,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be27409dc/1019427b25e845149c29b7e6f730e7d0/FLAGcec4447f1 [2020-10-20 01:42:34,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be27409dc/1019427b25e845149c29b7e6f730e7d0 [2020-10-20 01:42:34,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:34,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:34,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:34,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:34,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:34,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:34" (1/1) ... [2020-10-20 01:42:34,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86dd75c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:34, skipping insertion in model container [2020-10-20 01:42:34,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:34" (1/1) ... [2020-10-20 01:42:34,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:34,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:35,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:35,382 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:35,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:35,570 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:35,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:35 WrapperNode [2020-10-20 01:42:35,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:35,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:35,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:35,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:35,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:35" (1/1) ... [2020-10-20 01:42:35,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:35" (1/1) ... [2020-10-20 01:42:35,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:35,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:35,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:35,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:35,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:35" (1/1) ... [2020-10-20 01:42:35,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:35" (1/1) ... [2020-10-20 01:42:35,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:35" (1/1) ... [2020-10-20 01:42:35,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:35" (1/1) ... [2020-10-20 01:42:35,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:35" (1/1) ... [2020-10-20 01:42:35,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:35" (1/1) ... [2020-10-20 01:42:35,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:35" (1/1) ... [2020-10-20 01:42:35,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:35,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:35,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:35,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:35,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:35,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:35,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:35,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:35,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:36,800 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:36,800 INFO L298 CfgBuilder]: Removed 206 assume(true) statements. [2020-10-20 01:42:36,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:36 BoogieIcfgContainer [2020-10-20 01:42:36,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:36,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:36,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:36,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:36,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:34" (1/3) ... [2020-10-20 01:42:36,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4293b6c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:36, skipping insertion in model container [2020-10-20 01:42:36,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:35" (2/3) ... [2020-10-20 01:42:36,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4293b6c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:36, skipping insertion in model container [2020-10-20 01:42:36,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:36" (3/3) ... [2020-10-20 01:42:36,811 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2020-10-20 01:42:36,823 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:36,832 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:36,848 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:36,875 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:36,876 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:36,876 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:36,876 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:36,877 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:36,877 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:36,877 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:36,877 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:36,898 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-10-20 01:42:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:36,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:36,908 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:36,908 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:36,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:36,915 INFO L82 PathProgramCache]: Analyzing trace with hash 980862916, now seen corresponding path program 1 times [2020-10-20 01:42:36,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:36,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500745921] [2020-10-20 01:42:36,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:37,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:37,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500745921] [2020-10-20 01:42:37,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:37,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:37,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635441178] [2020-10-20 01:42:37,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:37,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:37,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:37,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:37,268 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-10-20 01:42:37,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:37,307 INFO L93 Difference]: Finished difference Result 266 states and 399 transitions. [2020-10-20 01:42:37,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:37,309 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:37,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:37,323 INFO L225 Difference]: With dead ends: 266 [2020-10-20 01:42:37,323 INFO L226 Difference]: Without dead ends: 131 [2020-10-20 01:42:37,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:37,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-20 01:42:37,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-10-20 01:42:37,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-20 01:42:37,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2020-10-20 01:42:37,377 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2020-10-20 01:42:37,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:37,378 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2020-10-20 01:42:37,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2020-10-20 01:42:37,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:37,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:37,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:37,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:37,380 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:37,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:37,381 INFO L82 PathProgramCache]: Analyzing trace with hash 762026947, now seen corresponding path program 1 times [2020-10-20 01:42:37,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:37,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899147021] [2020-10-20 01:42:37,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:37,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:37,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899147021] [2020-10-20 01:42:37,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:37,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:37,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834522656] [2020-10-20 01:42:37,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:37,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:37,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:37,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:37,540 INFO L87 Difference]: Start difference. First operand 131 states and 190 transitions. Second operand 3 states. [2020-10-20 01:42:37,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:37,557 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2020-10-20 01:42:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:37,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:37,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:37,559 INFO L225 Difference]: With dead ends: 131 [2020-10-20 01:42:37,574 INFO L226 Difference]: Without dead ends: 55 [2020-10-20 01:42:37,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:37,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-20 01:42:37,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-20 01:42:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-20 01:42:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-10-20 01:42:37,589 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-10-20 01:42:37,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:37,589 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-10-20 01:42:37,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-10-20 01:42:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:37,590 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:37,591 INFO L422 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] [2020-10-20 01:42:37,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:37,591 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:37,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:37,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1314651584, now seen corresponding path program 1 times [2020-10-20 01:42:37,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:37,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071304526] [2020-10-20 01:42:37,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:37,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071304526] [2020-10-20 01:42:37,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:37,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:37,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857040236] [2020-10-20 01:42:37,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:37,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:37,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:37,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:37,763 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2020-10-20 01:42:37,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:37,835 INFO L93 Difference]: Finished difference Result 127 states and 187 transitions. [2020-10-20 01:42:37,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:42:37,836 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:42:37,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:37,837 INFO L225 Difference]: With dead ends: 127 [2020-10-20 01:42:37,837 INFO L226 Difference]: Without dead ends: 79 [2020-10-20 01:42:37,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:42:37,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-20 01:42:37,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2020-10-20 01:42:37,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-20 01:42:37,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2020-10-20 01:42:37,857 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 24 [2020-10-20 01:42:37,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:37,860 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2020-10-20 01:42:37,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:37,861 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2020-10-20 01:42:37,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:37,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:37,862 INFO L422 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] [2020-10-20 01:42:37,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:37,863 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:37,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:37,864 INFO L82 PathProgramCache]: Analyzing trace with hash 399769442, now seen corresponding path program 1 times [2020-10-20 01:42:37,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:37,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000428266] [2020-10-20 01:42:37,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:37,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000428266] [2020-10-20 01:42:37,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:37,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:37,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761531746] [2020-10-20 01:42:37,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:37,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:37,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:37,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:37,958 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand 3 states. [2020-10-20 01:42:37,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:37,999 INFO L93 Difference]: Finished difference Result 165 states and 245 transitions. [2020-10-20 01:42:37,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:37,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:42:38,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:38,001 INFO L225 Difference]: With dead ends: 165 [2020-10-20 01:42:38,001 INFO L226 Difference]: Without dead ends: 97 [2020-10-20 01:42:38,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:38,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-20 01:42:38,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2020-10-20 01:42:38,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-20 01:42:38,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 136 transitions. [2020-10-20 01:42:38,014 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 136 transitions. Word has length 26 [2020-10-20 01:42:38,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:38,015 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 136 transitions. [2020-10-20 01:42:38,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:38,015 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 136 transitions. [2020-10-20 01:42:38,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:42:38,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:38,016 INFO L422 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] [2020-10-20 01:42:38,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:38,017 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:38,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:38,017 INFO L82 PathProgramCache]: Analyzing trace with hash -521625591, now seen corresponding path program 1 times [2020-10-20 01:42:38,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:38,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295531256] [2020-10-20 01:42:38,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:38,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:38,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295531256] [2020-10-20 01:42:38,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:38,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:38,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460022539] [2020-10-20 01:42:38,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:38,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:38,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:38,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:38,097 INFO L87 Difference]: Start difference. First operand 95 states and 136 transitions. Second operand 5 states. [2020-10-20 01:42:38,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:38,250 INFO L93 Difference]: Finished difference Result 447 states and 651 transitions. [2020-10-20 01:42:38,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:38,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-20 01:42:38,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:38,254 INFO L225 Difference]: With dead ends: 447 [2020-10-20 01:42:38,254 INFO L226 Difference]: Without dead ends: 359 [2020-10-20 01:42:38,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:38,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-10-20 01:42:38,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 172. [2020-10-20 01:42:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-20 01:42:38,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 243 transitions. [2020-10-20 01:42:38,281 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 243 transitions. Word has length 27 [2020-10-20 01:42:38,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:38,281 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 243 transitions. [2020-10-20 01:42:38,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:38,282 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 243 transitions. [2020-10-20 01:42:38,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 01:42:38,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:38,284 INFO L422 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] [2020-10-20 01:42:38,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:38,284 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:38,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:38,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1955770751, now seen corresponding path program 1 times [2020-10-20 01:42:38,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:38,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713072899] [2020-10-20 01:42:38,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:38,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713072899] [2020-10-20 01:42:38,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:38,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:38,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223829341] [2020-10-20 01:42:38,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:38,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:38,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:38,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:38,372 INFO L87 Difference]: Start difference. First operand 172 states and 243 transitions. Second operand 5 states. [2020-10-20 01:42:38,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:38,539 INFO L93 Difference]: Finished difference Result 643 states and 913 transitions. [2020-10-20 01:42:38,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:42:38,539 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-20 01:42:38,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:38,543 INFO L225 Difference]: With dead ends: 643 [2020-10-20 01:42:38,543 INFO L226 Difference]: Without dead ends: 478 [2020-10-20 01:42:38,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:38,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-10-20 01:42:38,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 170. [2020-10-20 01:42:38,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-20 01:42:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 237 transitions. [2020-10-20 01:42:38,565 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 237 transitions. Word has length 28 [2020-10-20 01:42:38,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:38,566 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 237 transitions. [2020-10-20 01:42:38,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:38,567 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 237 transitions. [2020-10-20 01:42:38,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:42:38,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:38,568 INFO L422 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] [2020-10-20 01:42:38,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:42:38,569 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:38,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:38,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1721615084, now seen corresponding path program 1 times [2020-10-20 01:42:38,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:38,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776054152] [2020-10-20 01:42:38,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:38,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:38,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776054152] [2020-10-20 01:42:38,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:38,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:38,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589148420] [2020-10-20 01:42:38,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:38,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:38,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:38,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:38,628 INFO L87 Difference]: Start difference. First operand 170 states and 237 transitions. Second operand 5 states. [2020-10-20 01:42:38,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:38,817 INFO L93 Difference]: Finished difference Result 495 states and 685 transitions. [2020-10-20 01:42:38,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:42:38,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-20 01:42:38,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:38,821 INFO L225 Difference]: With dead ends: 495 [2020-10-20 01:42:38,821 INFO L226 Difference]: Without dead ends: 332 [2020-10-20 01:42:38,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:42:38,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-10-20 01:42:38,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 182. [2020-10-20 01:42:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-10-20 01:42:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 249 transitions. [2020-10-20 01:42:38,842 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 249 transitions. Word has length 36 [2020-10-20 01:42:38,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:38,842 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 249 transitions. [2020-10-20 01:42:38,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2020-10-20 01:42:38,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:42:38,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:38,845 INFO L422 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] [2020-10-20 01:42:38,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:42:38,845 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:38,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:38,846 INFO L82 PathProgramCache]: Analyzing trace with hash 710497834, now seen corresponding path program 1 times [2020-10-20 01:42:38,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:38,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404866712] [2020-10-20 01:42:38,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:38,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404866712] [2020-10-20 01:42:38,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:38,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:38,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051884043] [2020-10-20 01:42:38,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:38,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:38,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:38,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:38,911 INFO L87 Difference]: Start difference. First operand 182 states and 249 transitions. Second operand 6 states. [2020-10-20 01:42:39,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:39,035 INFO L93 Difference]: Finished difference Result 529 states and 719 transitions. [2020-10-20 01:42:39,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:42:39,036 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-10-20 01:42:39,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:39,038 INFO L225 Difference]: With dead ends: 529 [2020-10-20 01:42:39,039 INFO L226 Difference]: Without dead ends: 354 [2020-10-20 01:42:39,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:42:39,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-10-20 01:42:39,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 190. [2020-10-20 01:42:39,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-20 01:42:39,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 257 transitions. [2020-10-20 01:42:39,061 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 257 transitions. Word has length 36 [2020-10-20 01:42:39,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:39,061 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 257 transitions. [2020-10-20 01:42:39,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:39,062 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 257 transitions. [2020-10-20 01:42:39,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:42:39,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:39,063 INFO L422 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] [2020-10-20 01:42:39,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:42:39,064 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:39,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:39,064 INFO L82 PathProgramCache]: Analyzing trace with hash -310570520, now seen corresponding path program 1 times [2020-10-20 01:42:39,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:39,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865685217] [2020-10-20 01:42:39,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:39,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865685217] [2020-10-20 01:42:39,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:39,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:39,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745750181] [2020-10-20 01:42:39,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:39,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:39,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:39,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:39,123 INFO L87 Difference]: Start difference. First operand 190 states and 257 transitions. Second operand 3 states. [2020-10-20 01:42:39,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:39,167 INFO L93 Difference]: Finished difference Result 461 states and 623 transitions. [2020-10-20 01:42:39,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:39,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-10-20 01:42:39,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:39,170 INFO L225 Difference]: With dead ends: 461 [2020-10-20 01:42:39,171 INFO L226 Difference]: Without dead ends: 278 [2020-10-20 01:42:39,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:39,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-10-20 01:42:39,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-10-20 01:42:39,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-10-20 01:42:39,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 367 transitions. [2020-10-20 01:42:39,203 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 367 transitions. Word has length 36 [2020-10-20 01:42:39,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:39,203 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 367 transitions. [2020-10-20 01:42:39,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:39,203 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 367 transitions. [2020-10-20 01:42:39,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:42:39,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:39,205 INFO L422 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] [2020-10-20 01:42:39,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:42:39,206 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:39,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:39,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1785049304, now seen corresponding path program 1 times [2020-10-20 01:42:39,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:39,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396828267] [2020-10-20 01:42:39,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:39,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:39,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396828267] [2020-10-20 01:42:39,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:39,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:39,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102366526] [2020-10-20 01:42:39,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:39,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:39,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:39,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:39,256 INFO L87 Difference]: Start difference. First operand 278 states and 367 transitions. Second operand 3 states. [2020-10-20 01:42:39,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:39,319 INFO L93 Difference]: Finished difference Result 405 states and 536 transitions. [2020-10-20 01:42:39,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:39,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-10-20 01:42:39,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:39,323 INFO L225 Difference]: With dead ends: 405 [2020-10-20 01:42:39,323 INFO L226 Difference]: Without dead ends: 403 [2020-10-20 01:42:39,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:39,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2020-10-20 01:42:39,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 328. [2020-10-20 01:42:39,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-10-20 01:42:39,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 440 transitions. [2020-10-20 01:42:39,358 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 440 transitions. Word has length 37 [2020-10-20 01:42:39,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:39,359 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 440 transitions. [2020-10-20 01:42:39,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:39,359 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 440 transitions. [2020-10-20 01:42:39,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-20 01:42:39,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:39,361 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-20 01:42:39,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:42:39,361 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:39,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:39,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1615190538, now seen corresponding path program 1 times [2020-10-20 01:42:39,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:39,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903488043] [2020-10-20 01:42:39,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:39,441 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-20 01:42:39,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903488043] [2020-10-20 01:42:39,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:39,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:39,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868891145] [2020-10-20 01:42:39,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:39,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:39,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:39,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:39,443 INFO L87 Difference]: Start difference. First operand 328 states and 440 transitions. Second operand 6 states. [2020-10-20 01:42:39,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:39,800 INFO L93 Difference]: Finished difference Result 1067 states and 1425 transitions. [2020-10-20 01:42:39,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-20 01:42:39,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-10-20 01:42:39,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:39,804 INFO L225 Difference]: With dead ends: 1067 [2020-10-20 01:42:39,805 INFO L226 Difference]: Without dead ends: 746 [2020-10-20 01:42:39,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-20 01:42:39,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2020-10-20 01:42:39,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 302. [2020-10-20 01:42:39,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-20 01:42:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 396 transitions. [2020-10-20 01:42:39,840 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 396 transitions. Word has length 59 [2020-10-20 01:42:39,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:39,841 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 396 transitions. [2020-10-20 01:42:39,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 396 transitions. [2020-10-20 01:42:39,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-20 01:42:39,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:39,843 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-20 01:42:39,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:42:39,844 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:39,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:39,844 INFO L82 PathProgramCache]: Analyzing trace with hash 855070338, now seen corresponding path program 1 times [2020-10-20 01:42:39,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:39,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818960037] [2020-10-20 01:42:39,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:39,923 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-20 01:42:39,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818960037] [2020-10-20 01:42:39,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:39,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:39,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254945293] [2020-10-20 01:42:39,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:39,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:39,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:39,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:39,925 INFO L87 Difference]: Start difference. First operand 302 states and 396 transitions. Second operand 6 states. [2020-10-20 01:42:40,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:40,263 INFO L93 Difference]: Finished difference Result 785 states and 1031 transitions. [2020-10-20 01:42:40,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-20 01:42:40,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2020-10-20 01:42:40,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:40,266 INFO L225 Difference]: With dead ends: 785 [2020-10-20 01:42:40,267 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:40,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-20 01:42:40,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:40,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:40,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:40,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:40,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2020-10-20 01:42:40,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:40,270 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:40,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:40,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:40,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:40,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:42:40,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:40,577 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 96 [2020-10-20 01:42:41,184 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 159 [2020-10-20 01:42:41,353 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 96 [2020-10-20 01:42:41,684 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 147 [2020-10-20 01:42:41,822 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 99 [2020-10-20 01:42:41,932 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 100 [2020-10-20 01:42:42,156 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 59 [2020-10-20 01:42:42,566 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 164 [2020-10-20 01:42:42,873 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 157 [2020-10-20 01:42:43,648 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 36 [2020-10-20 01:42:43,820 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 18 [2020-10-20 01:42:45,017 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 154 DAG size of output: 31 [2020-10-20 01:42:45,416 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 28 [2020-10-20 01:42:46,231 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 28 [2020-10-20 01:42:46,763 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 31 [2020-10-20 01:42:47,143 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 25 [2020-10-20 01:42:47,544 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 31 [2020-10-20 01:42:47,926 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2020-10-20 01:42:49,123 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-10-20 01:42:50,158 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 152 DAG size of output: 31 [2020-10-20 01:42:50,168 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:50,168 INFO L270 CegarLoopResult]: At program point L168(lines 1 987) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:50,168 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:50,168 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:50,169 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:50,169 INFO L274 CegarLoopResult]: For program point L499(lines 499 509) no Hoare annotation was computed. [2020-10-20 01:42:50,169 INFO L274 CegarLoopResult]: For program point L499-2(lines 499 509) no Hoare annotation was computed. [2020-10-20 01:42:50,169 INFO L274 CegarLoopResult]: For program point L499-4(lines 499 509) no Hoare annotation was computed. [2020-10-20 01:42:50,169 INFO L274 CegarLoopResult]: For program point L500(lines 500 506) no Hoare annotation was computed. [2020-10-20 01:42:50,170 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 506) no Hoare annotation was computed. [2020-10-20 01:42:50,170 INFO L274 CegarLoopResult]: For program point L500-4(lines 500 506) no Hoare annotation was computed. [2020-10-20 01:42:50,170 INFO L274 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2020-10-20 01:42:50,170 INFO L274 CegarLoopResult]: For program point L302-1(lines 302 310) no Hoare annotation was computed. [2020-10-20 01:42:50,170 INFO L274 CegarLoopResult]: For program point L302-2(lines 302 310) no Hoare annotation was computed. [2020-10-20 01:42:50,170 INFO L274 CegarLoopResult]: For program point L302-3(lines 302 310) no Hoare annotation was computed. [2020-10-20 01:42:50,171 INFO L274 CegarLoopResult]: For program point L302-4(lines 302 310) no Hoare annotation was computed. [2020-10-20 01:42:50,171 INFO L270 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~9 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:50,171 INFO L274 CegarLoopResult]: For program point L302-5(lines 302 310) no Hoare annotation was computed. [2020-10-20 01:42:50,171 INFO L270 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 .cse1 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 .cse3 .cse4 .cse5) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:42:50,171 INFO L270 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-10-20 01:42:50,171 INFO L270 CegarLoopResult]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2020-10-20 01:42:50,171 INFO L270 CegarLoopResult]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2020-10-20 01:42:50,172 INFO L270 CegarLoopResult]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2020-10-20 01:42:50,172 INFO L274 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-10-20 01:42:50,172 INFO L270 CegarLoopResult]: At program point L205-1(lines 205 211) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5 0)) (.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse8 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse8 .cse5 .cse6) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse3 .cse4 .cse6 .cse5))) [2020-10-20 01:42:50,172 INFO L270 CegarLoopResult]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3) (and (= ~methaneLevelCritical~0 1) .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3))) [2020-10-20 01:42:50,172 INFO L270 CegarLoopResult]: At program point L273-1(lines 273 279) the Hoare annotation is: false [2020-10-20 01:42:50,172 INFO L270 CegarLoopResult]: At program point L273-2(lines 273 279) the Hoare annotation is: false [2020-10-20 01:42:50,173 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:50,173 INFO L270 CegarLoopResult]: At program point L176(lines 171 179) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:50,173 INFO L270 CegarLoopResult]: At program point L903-2(lines 903 917) the Hoare annotation is: false [2020-10-20 01:42:50,173 INFO L274 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-10-20 01:42:50,173 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-10-20 01:42:50,173 INFO L274 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2020-10-20 01:42:50,173 INFO L274 CegarLoopResult]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2020-10-20 01:42:50,173 INFO L274 CegarLoopResult]: For program point L443-3(lines 443 447) no Hoare annotation was computed. [2020-10-20 01:42:50,174 INFO L274 CegarLoopResult]: For program point L443-5(lines 443 447) no Hoare annotation was computed. [2020-10-20 01:42:50,174 INFO L270 CegarLoopResult]: At program point L245(lines 194 246) the Hoare annotation is: false [2020-10-20 01:42:50,174 INFO L274 CegarLoopResult]: For program point L443-6(lines 443 447) no Hoare annotation was computed. [2020-10-20 01:42:50,174 INFO L274 CegarLoopResult]: For program point L443-8(lines 443 447) no Hoare annotation was computed. [2020-10-20 01:42:50,174 INFO L274 CegarLoopResult]: For program point L443-9(lines 443 447) no Hoare annotation was computed. [2020-10-20 01:42:50,174 INFO L274 CegarLoopResult]: For program point L443-11(lines 443 447) no Hoare annotation was computed. [2020-10-20 01:42:50,174 INFO L274 CegarLoopResult]: For program point L443-12(lines 443 447) no Hoare annotation was computed. [2020-10-20 01:42:50,174 INFO L274 CegarLoopResult]: For program point L443-14(lines 443 447) no Hoare annotation was computed. [2020-10-20 01:42:50,175 INFO L274 CegarLoopResult]: For program point L443-15(lines 443 447) no Hoare annotation was computed. [2020-10-20 01:42:50,175 INFO L274 CegarLoopResult]: For program point L443-17(lines 443 447) no Hoare annotation was computed. [2020-10-20 01:42:50,175 INFO L274 CegarLoopResult]: For program point L907(lines 907 911) no Hoare annotation was computed. [2020-10-20 01:42:50,175 INFO L274 CegarLoopResult]: For program point L907-1(lines 266 272) no Hoare annotation was computed. [2020-10-20 01:42:50,175 INFO L274 CegarLoopResult]: For program point L215(lines 215 221) no Hoare annotation was computed. [2020-10-20 01:42:50,175 INFO L270 CegarLoopResult]: At program point L215-1(lines 215 221) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4))) [2020-10-20 01:42:50,175 INFO L274 CegarLoopResult]: For program point L975(lines 975 982) no Hoare annotation was computed. [2020-10-20 01:42:50,175 INFO L277 CegarLoopResult]: At program point L975-1(lines 975 982) the Hoare annotation is: true [2020-10-20 01:42:50,176 INFO L270 CegarLoopResult]: At program point L449(lines 434 452) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~9 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:50,176 INFO L270 CegarLoopResult]: At program point L449-1(lines 434 452) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 .cse1 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 .cse5) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:42:50,176 INFO L270 CegarLoopResult]: At program point L449-2(lines 434 452) the Hoare annotation is: false [2020-10-20 01:42:50,176 INFO L270 CegarLoopResult]: At program point L449-3(lines 434 452) the Hoare annotation is: false [2020-10-20 01:42:50,176 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:50,176 INFO L270 CegarLoopResult]: At program point L449-4(lines 434 452) the Hoare annotation is: false [2020-10-20 01:42:50,176 INFO L270 CegarLoopResult]: At program point L449-5(lines 434 452) the Hoare annotation is: false [2020-10-20 01:42:50,177 INFO L270 CegarLoopResult]: At program point L484(lines 479 486) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:50,177 INFO L270 CegarLoopResult]: At program point L385(lines 378 388) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3))) [2020-10-20 01:42:50,177 INFO L270 CegarLoopResult]: At program point L385-1(lines 378 388) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~9 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:50,177 INFO L270 CegarLoopResult]: At program point L385-2(lines 378 388) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:42:50,177 INFO L270 CegarLoopResult]: At program point L385-3(lines 378 388) the Hoare annotation is: false [2020-10-20 01:42:50,177 INFO L270 CegarLoopResult]: At program point L385-4(lines 378 388) the Hoare annotation is: false [2020-10-20 01:42:50,177 INFO L270 CegarLoopResult]: At program point L385-5(lines 378 388) the Hoare annotation is: false [2020-10-20 01:42:50,178 INFO L270 CegarLoopResult]: At program point L385-6(lines 378 388) the Hoare annotation is: false [2020-10-20 01:42:50,178 INFO L270 CegarLoopResult]: At program point L385-7(lines 378 388) the Hoare annotation is: false [2020-10-20 01:42:50,178 INFO L270 CegarLoopResult]: At program point L385-8(lines 378 388) the Hoare annotation is: false [2020-10-20 01:42:50,178 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:42:50,178 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:42:50,178 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:42:50,178 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:50,178 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)))) [2020-10-20 01:42:50,179 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~9 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:50,179 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:42:50,179 INFO L270 CegarLoopResult]: At program point L92-3(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 (not (= 0 ~systemActive~0)) .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse1 .cse2 .cse3))) [2020-10-20 01:42:50,179 INFO L270 CegarLoopResult]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2020-10-20 01:42:50,179 INFO L277 CegarLoopResult]: At program point L984(lines 965 987) the Hoare annotation is: true [2020-10-20 01:42:50,179 INFO L270 CegarLoopResult]: At program point L951(lines 947 953) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:50,179 INFO L270 CegarLoopResult]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2020-10-20 01:42:50,180 INFO L270 CegarLoopResult]: At program point L92-6(lines 87 95) the Hoare annotation is: false [2020-10-20 01:42:50,180 INFO L270 CegarLoopResult]: At program point L92-7(lines 87 95) the Hoare annotation is: false [2020-10-20 01:42:50,180 INFO L270 CegarLoopResult]: At program point L92-8(lines 87 95) the Hoare annotation is: false [2020-10-20 01:42:50,180 INFO L270 CegarLoopResult]: At program point L92-9(lines 87 95) the Hoare annotation is: false [2020-10-20 01:42:50,180 INFO L270 CegarLoopResult]: At program point L92-10(lines 87 95) the Hoare annotation is: false [2020-10-20 01:42:50,180 INFO L270 CegarLoopResult]: At program point L92-11(lines 87 95) the Hoare annotation is: false [2020-10-20 01:42:50,180 INFO L274 CegarLoopResult]: For program point L324(lines 324 341) no Hoare annotation was computed. [2020-10-20 01:42:50,180 INFO L274 CegarLoopResult]: For program point L324-1(lines 324 341) no Hoare annotation was computed. [2020-10-20 01:42:50,180 INFO L274 CegarLoopResult]: For program point L324-2(lines 324 341) no Hoare annotation was computed. [2020-10-20 01:42:50,181 INFO L274 CegarLoopResult]: For program point L225(lines 225 240) no Hoare annotation was computed. [2020-10-20 01:42:50,181 INFO L274 CegarLoopResult]: For program point L457(lines 457 463) no Hoare annotation was computed. [2020-10-20 01:42:50,181 INFO L270 CegarLoopResult]: At program point L457-1(lines 457 463) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2 .cse3))) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2020-10-20 01:42:50,181 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:50,181 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-20 01:42:50,181 INFO L274 CegarLoopResult]: For program point L887-1(line 887) no Hoare annotation was computed. [2020-10-20 01:42:50,181 INFO L274 CegarLoopResult]: For program point L887-2(line 887) no Hoare annotation was computed. [2020-10-20 01:42:50,181 INFO L274 CegarLoopResult]: For program point L360(lines 360 366) no Hoare annotation was computed. [2020-10-20 01:42:50,182 INFO L274 CegarLoopResult]: For program point L360-2(lines 360 366) no Hoare annotation was computed. [2020-10-20 01:42:50,182 INFO L274 CegarLoopResult]: For program point L360-4(lines 360 366) no Hoare annotation was computed. [2020-10-20 01:42:50,182 INFO L274 CegarLoopResult]: For program point L360-6(lines 360 366) no Hoare annotation was computed. [2020-10-20 01:42:50,182 INFO L274 CegarLoopResult]: For program point L360-8(lines 360 366) no Hoare annotation was computed. [2020-10-20 01:42:50,182 INFO L274 CegarLoopResult]: For program point L360-10(lines 360 366) no Hoare annotation was computed. [2020-10-20 01:42:50,182 INFO L270 CegarLoopResult]: At program point L394(lines 389 397) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:50,182 INFO L270 CegarLoopResult]: At program point L394-1(lines 389 397) the Hoare annotation is: false [2020-10-20 01:42:50,183 INFO L274 CegarLoopResult]: For program point L328(lines 328 336) no Hoare annotation was computed. [2020-10-20 01:42:50,183 INFO L270 CegarLoopResult]: At program point L394-2(lines 389 397) the Hoare annotation is: false [2020-10-20 01:42:50,183 INFO L274 CegarLoopResult]: For program point L328-1(lines 328 336) no Hoare annotation was computed. [2020-10-20 01:42:50,183 INFO L274 CegarLoopResult]: For program point L328-2(lines 328 336) no Hoare annotation was computed. [2020-10-20 01:42:50,183 INFO L274 CegarLoopResult]: For program point L196(lines 195 244) no Hoare annotation was computed. [2020-10-20 01:42:50,183 INFO L274 CegarLoopResult]: For program point L197(lines 197 201) no Hoare annotation was computed. [2020-10-20 01:42:50,183 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:50,183 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:50,184 INFO L274 CegarLoopResult]: For program point L495(lines 495 512) no Hoare annotation was computed. [2020-10-20 01:42:50,184 INFO L270 CegarLoopResult]: At program point L495-1(lines 1 987) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5 0)) (.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse8 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse8 .cse5 .cse6) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse3 .cse4 .cse6 .cse5))) [2020-10-20 01:42:50,184 INFO L274 CegarLoopResult]: For program point L495-2(lines 495 512) no Hoare annotation was computed. [2020-10-20 01:42:50,184 INFO L270 CegarLoopResult]: At program point L495-3(lines 1 987) the Hoare annotation is: false [2020-10-20 01:42:50,184 INFO L274 CegarLoopResult]: For program point L495-4(lines 495 512) no Hoare annotation was computed. [2020-10-20 01:42:50,184 INFO L270 CegarLoopResult]: At program point L495-5(lines 1 987) the Hoare annotation is: false [2020-10-20 01:42:50,184 INFO L274 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:42:50,184 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:42:50,185 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:42:50,185 INFO L274 CegarLoopResult]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:42:50,185 INFO L274 CegarLoopResult]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:42:50,185 INFO L274 CegarLoopResult]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:42:50,185 INFO L274 CegarLoopResult]: For program point L298(lines 298 315) no Hoare annotation was computed. [2020-10-20 01:42:50,185 INFO L274 CegarLoopResult]: For program point L298-1(lines 298 315) no Hoare annotation was computed. [2020-10-20 01:42:50,185 INFO L274 CegarLoopResult]: For program point L298-2(lines 298 315) no Hoare annotation was computed. [2020-10-20 01:42:50,185 INFO L274 CegarLoopResult]: For program point L298-3(lines 298 315) no Hoare annotation was computed. [2020-10-20 01:42:50,185 INFO L274 CegarLoopResult]: For program point L298-4(lines 298 315) no Hoare annotation was computed. [2020-10-20 01:42:50,185 INFO L274 CegarLoopResult]: For program point L298-5(lines 298 315) no Hoare annotation was computed. [2020-10-20 01:42:50,186 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-10-20 01:42:50,186 INFO L270 CegarLoopResult]: At program point L266(lines 265 284) the Hoare annotation is: (let ((.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 .cse1 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse6 .cse3 .cse4) (and .cse1 .cse7 .cse6 .cse3 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4))) [2020-10-20 01:42:50,186 INFO L274 CegarLoopResult]: For program point L233(lines 233 239) no Hoare annotation was computed. [2020-10-20 01:42:50,186 INFO L274 CegarLoopResult]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2020-10-20 01:42:50,186 INFO L270 CegarLoopResult]: At program point L233-1(lines 266 272) the Hoare annotation is: (let ((.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 .cse1 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse6 .cse3 .cse4) (and .cse1 .cse7 .cse6 .cse3 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4))) [2020-10-20 01:42:50,186 INFO L270 CegarLoopResult]: At program point L266-2(lines 265 284) the Hoare annotation is: false [2020-10-20 01:42:50,186 INFO L270 CegarLoopResult]: At program point L266-3(lines 265 284) the Hoare annotation is: false [2020-10-20 01:42:50,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:50 BoogieIcfgContainer [2020-10-20 01:42:50,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:50,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:50,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:50,227 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:50,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:36" (3/4) ... [2020-10-20 01:42:50,231 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:50,252 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:50,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:50,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:50,260 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:50,262 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:50,263 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:50,264 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:50,297 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-10-20 01:42:50,297 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-10-20 01:42:50,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-10-20 01:42:50,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-10-20 01:42:50,299 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-10-20 01:42:50,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:50,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:50,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:50,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:50,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (methaneLevelCritical == 1 && (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((\result == 1 && tmp == 1) && 1 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1))) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:50,304 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:50,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-10-20 01:42:50,309 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:50,309 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((!(\result == 0) && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:50,312 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:50,314 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((methaneLevelCritical == 1 && tmp___0 == 0) && !(tmp == 0)) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:50,317 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:50,317 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:50,318 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:50,318 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:42:50,319 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:50,319 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:50,407 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:50,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:50,408 INFO L168 Benchmark]: Toolchain (without parser) took 15512.76 ms. Allocated memory was 35.1 MB in the beginning and 148.4 MB in the end (delta: 113.2 MB). Free memory was 15.9 MB in the beginning and 22.2 MB in the end (delta: -6.4 MB). Peak memory consumption was 106.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:50,409 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 33.6 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 43.9 kB). Peak memory consumption was 43.9 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:50,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.35 ms. Allocated memory was 35.1 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Free memory was 15.1 MB in the beginning and 25.2 MB in the end (delta: -10.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:50,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.24 ms. Allocated memory is still 44.6 MB. Free memory was 25.0 MB in the beginning and 20.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:50,410 INFO L168 Benchmark]: Boogie Preprocessor took 51.97 ms. Allocated memory is still 44.6 MB. Free memory was 20.8 MB in the beginning and 17.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:50,410 INFO L168 Benchmark]: RCFGBuilder took 1101.56 ms. Allocated memory was 44.6 MB in the beginning and 51.4 MB in the end (delta: 6.8 MB). Free memory was 17.6 MB in the beginning and 25.0 MB in the end (delta: -7.5 MB). Peak memory consumption was 12.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:50,410 INFO L168 Benchmark]: TraceAbstraction took 13422.40 ms. Allocated memory was 51.4 MB in the beginning and 148.4 MB in the end (delta: 97.0 MB). Free memory was 24.6 MB in the beginning and 40.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 111.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:50,411 INFO L168 Benchmark]: Witness Printer took 180.72 ms. Allocated memory is still 148.4 MB. Free memory was 40.8 MB in the beginning and 22.2 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:50,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 33.6 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 43.9 kB). Peak memory consumption was 43.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 669.35 ms. Allocated memory was 35.1 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Free memory was 15.1 MB in the beginning and 25.2 MB in the end (delta: -10.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 76.24 ms. Allocated memory is still 44.6 MB. Free memory was 25.0 MB in the beginning and 20.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 51.97 ms. Allocated memory is still 44.6 MB. Free memory was 20.8 MB in the beginning and 17.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1101.56 ms. Allocated memory was 44.6 MB in the beginning and 51.4 MB in the end (delta: 6.8 MB). Free memory was 17.6 MB in the beginning and 25.0 MB in the end (delta: -7.5 MB). Peak memory consumption was 12.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 13422.40 ms. Allocated memory was 51.4 MB in the beginning and 148.4 MB in the end (delta: 97.0 MB). Free memory was 24.6 MB in the beginning and 40.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 111.7 MB. Max. memory is 14.3 GB. * Witness Printer took 180.72 ms. Allocated memory is still 148.4 MB. Free memory was 40.8 MB in the beginning and 22.2 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((methaneLevelCritical == 1 && tmp___0 == 0) && !(tmp == 0)) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 1 && (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((\result == 1 && tmp == 1) && 1 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1))) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((!(\result == 0) && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1407 SDtfs, 2154 SDslu, 2450 SDs, 0 SdLazy, 364 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=328occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1334 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 315 NumberOfFragments, 1242 HoareAnnotationTreeSize, 57 FomulaSimplifications, 2390622 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 57 FomulaSimplificationsInter, 408013 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 424 NumberOfCodeBlocks, 424 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 412 ConstructedInterpolants, 0 QuantifiedInterpolants, 28378 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 67/67 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...