./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product17.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_spec1_product17.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 abdaf7d039f72f53757ac3024ed39e407d16dbdb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:41:22,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:41:22,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:41:22,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:41:22,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:41:22,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:41:22,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:41:22,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:41:22,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:41:22,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:41:22,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:41:22,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:41:22,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:41:22,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:41:22,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:41:22,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:41:22,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:41:22,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:41:22,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:41:22,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:41:22,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:41:22,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:41:22,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:41:22,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:41:22,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:41:22,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:41:22,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:41:22,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:41:22,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:41:22,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:41:22,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:41:22,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:41:22,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:41:22,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:41:22,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:41:22,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:41:22,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:41:22,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:41:22,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:41:22,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:41:22,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:41:22,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:41:22,815 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:41:22,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:41:22,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:41:22,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:41:22,817 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:41:22,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:41:22,817 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:41:22,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:41:22,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:41:22,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:41:22,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:41:22,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:41:22,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:41:22,819 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:41:22,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:41:22,820 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:41:22,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:41:22,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:41:22,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:41:22,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:41:22,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:41:22,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:41:22,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:41:22,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:41:22,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:41:22,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:41:22,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:41:22,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:41:22,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:41:22,823 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 -> abdaf7d039f72f53757ac3024ed39e407d16dbdb [2020-10-20 01:41:23,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:41:23,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:41:23,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:41:23,032 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:41:23,034 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:41:23,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2020-10-20 01:41:23,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3cf88fd2/5104582a50764177bfd443b450b5f05f/FLAG22fd7715b [2020-10-20 01:41:23,678 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:41:23,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2020-10-20 01:41:23,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3cf88fd2/5104582a50764177bfd443b450b5f05f/FLAG22fd7715b [2020-10-20 01:41:24,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3cf88fd2/5104582a50764177bfd443b450b5f05f [2020-10-20 01:41:24,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:41:24,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:41:24,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:24,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:41:24,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:41:24,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:24" (1/1) ... [2020-10-20 01:41:24,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e72744d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:24, skipping insertion in model container [2020-10-20 01:41:24,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:24" (1/1) ... [2020-10-20 01:41:24,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:41:24,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:41:24,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:24,536 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:41:24,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:24,678 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:41:24,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:24 WrapperNode [2020-10-20 01:41:24,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:24,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:24,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:41:24,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:41:24,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:24" (1/1) ... [2020-10-20 01:41:24,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:24" (1/1) ... [2020-10-20 01:41:24,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:24,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:41:24,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:41:24,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:41:24,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:24" (1/1) ... [2020-10-20 01:41:24,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:24" (1/1) ... [2020-10-20 01:41:24,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:24" (1/1) ... [2020-10-20 01:41:24,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:24" (1/1) ... [2020-10-20 01:41:24,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:24" (1/1) ... [2020-10-20 01:41:24,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:24" (1/1) ... [2020-10-20 01:41:24,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:24" (1/1) ... [2020-10-20 01:41:24,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:41:24,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:41:24,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:41:24,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:41:24,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:24" (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 01:41:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:41:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:41:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:41:24,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:41:25,714 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:41:25,715 INFO L298 CfgBuilder]: Removed 102 assume(true) statements. [2020-10-20 01:41:25,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:25 BoogieIcfgContainer [2020-10-20 01:41:25,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:41:25,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:41:25,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:41:25,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:41:25,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:41:24" (1/3) ... [2020-10-20 01:41:25,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad55f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:25, skipping insertion in model container [2020-10-20 01:41:25,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:24" (2/3) ... [2020-10-20 01:41:25,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad55f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:25, skipping insertion in model container [2020-10-20 01:41:25,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:25" (3/3) ... [2020-10-20 01:41:25,726 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2020-10-20 01:41:25,737 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:41:25,744 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:41:25,758 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:41:25,782 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:41:25,783 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:41:25,783 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:41:25,783 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:41:25,784 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:41:25,784 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:41:25,784 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:41:25,784 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:41:25,802 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-10-20 01:41:25,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:41:25,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:25,810 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:25,810 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:25,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:25,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1009828906, now seen corresponding path program 1 times [2020-10-20 01:41:25,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:25,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275938332] [2020-10-20 01:41:25,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:26,073 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 01:41:26,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275938332] [2020-10-20 01:41:26,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:26,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:41:26,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038741654] [2020-10-20 01:41:26,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:41:26,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:26,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:41:26,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:41:26,098 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-10-20 01:41:26,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:26,127 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2020-10-20 01:41:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:41:26,128 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:41:26,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:26,140 INFO L225 Difference]: With dead ends: 147 [2020-10-20 01:41:26,141 INFO L226 Difference]: Without dead ends: 71 [2020-10-20 01:41:26,144 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 01:41:26,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-20 01:41:26,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-20 01:41:26,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-20 01:41:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-10-20 01:41:26,185 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-10-20 01:41:26,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:26,186 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-10-20 01:41:26,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:41:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-10-20 01:41:26,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:41:26,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:26,188 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:26,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:41:26,189 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:26,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:26,189 INFO L82 PathProgramCache]: Analyzing trace with hash -36927991, now seen corresponding path program 1 times [2020-10-20 01:41:26,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:26,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14522285] [2020-10-20 01:41:26,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:26,339 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 01:41:26,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14522285] [2020-10-20 01:41:26,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:26,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:41:26,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159337400] [2020-10-20 01:41:26,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:26,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:26,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:26,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:26,344 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-10-20 01:41:26,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:26,355 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-10-20 01:41:26,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:26,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:41:26,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:26,357 INFO L225 Difference]: With dead ends: 71 [2020-10-20 01:41:26,357 INFO L226 Difference]: Without dead ends: 33 [2020-10-20 01:41:26,358 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 01:41:26,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-20 01:41:26,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-20 01:41:26,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-20 01:41:26,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-10-20 01:41:26,364 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-10-20 01:41:26,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:26,364 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-10-20 01:41:26,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:26,365 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-10-20 01:41:26,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:41:26,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:26,366 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] [2020-10-20 01:41:26,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:41:26,366 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:26,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:26,367 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2020-10-20 01:41:26,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:26,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837657137] [2020-10-20 01:41:26,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:26,455 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 01:41:26,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837657137] [2020-10-20 01:41:26,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:26,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:41:26,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880137639] [2020-10-20 01:41:26,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:41:26,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:26,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:41:26,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:41:26,458 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2020-10-20 01:41:26,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:26,672 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-10-20 01:41:26,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:41:26,673 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-20 01:41:26,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:26,674 INFO L225 Difference]: With dead ends: 60 [2020-10-20 01:41:26,674 INFO L226 Difference]: Without dead ends: 33 [2020-10-20 01:41:26,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:41:26,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-20 01:41:26,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-20 01:41:26,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-20 01:41:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-10-20 01:41:26,681 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-10-20 01:41:26,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:26,682 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-10-20 01:41:26,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:41:26,682 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-10-20 01:41:26,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 01:41:26,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:26,683 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] [2020-10-20 01:41:26,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:41:26,684 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:26,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:26,684 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2020-10-20 01:41:26,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:26,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107878304] [2020-10-20 01:41:26,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:26,786 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 01:41:26,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107878304] [2020-10-20 01:41:26,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:26,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:26,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334806336] [2020-10-20 01:41:26,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:26,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:26,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:26,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:26,789 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-10-20 01:41:26,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:26,883 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2020-10-20 01:41:26,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:41:26,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-20 01:41:26,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:26,886 INFO L225 Difference]: With dead ends: 151 [2020-10-20 01:41:26,886 INFO L226 Difference]: Without dead ends: 124 [2020-10-20 01:41:26,887 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 01:41:26,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-20 01:41:26,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2020-10-20 01:41:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-20 01:41:26,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2020-10-20 01:41:26,901 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2020-10-20 01:41:26,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:26,902 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2020-10-20 01:41:26,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2020-10-20 01:41:26,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:41:26,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:26,904 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 01:41:26,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:41:26,904 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:26,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:26,905 INFO L82 PathProgramCache]: Analyzing trace with hash -142255950, now seen corresponding path program 1 times [2020-10-20 01:41:26,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:26,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761207107] [2020-10-20 01:41:26,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:26,969 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 01:41:26,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761207107] [2020-10-20 01:41:26,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:26,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:26,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554549858] [2020-10-20 01:41:26,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:26,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:26,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:26,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:26,972 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2020-10-20 01:41:27,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:27,042 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2020-10-20 01:41:27,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:41:27,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:41:27,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:27,043 INFO L225 Difference]: With dead ends: 148 [2020-10-20 01:41:27,043 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:41:27,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 01:41:27,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:41:27,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:41:27,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:41:27,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:41:27,045 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-20 01:41:27,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:27,045 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:41:27,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:27,046 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:41:27,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:41:27,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:41:27,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:41:27,396 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:27,396 INFO L274 CegarLoopResult]: For program point L696(lines 696 700) no Hoare annotation was computed. [2020-10-20 01:41:27,396 INFO L274 CegarLoopResult]: For program point L696-2(lines 696 700) no Hoare annotation was computed. [2020-10-20 01:41:27,396 INFO L274 CegarLoopResult]: For program point L696-3(lines 696 700) no Hoare annotation was computed. [2020-10-20 01:41:27,396 INFO L274 CegarLoopResult]: For program point L696-5(lines 696 700) no Hoare annotation was computed. [2020-10-20 01:41:27,397 INFO L274 CegarLoopResult]: For program point L696-6(lines 696 700) no Hoare annotation was computed. [2020-10-20 01:41:27,397 INFO L274 CegarLoopResult]: For program point L696-8(lines 696 700) no Hoare annotation was computed. [2020-10-20 01:41:27,397 INFO L270 CegarLoopResult]: At program point L647(lines 642 650) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:27,397 INFO L270 CegarLoopResult]: At program point L647-1(lines 642 650) the Hoare annotation is: false [2020-10-20 01:41:27,397 INFO L270 CegarLoopResult]: At program point L647-2(lines 642 650) the Hoare annotation is: false [2020-10-20 01:41:27,398 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:41:27,398 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:41:27,398 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:41:27,400 INFO L270 CegarLoopResult]: At program point L449-2(lines 449 463) the Hoare annotation is: false [2020-10-20 01:41:27,400 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:41:27,400 INFO L274 CegarLoopResult]: For program point L598(lines 598 606) no Hoare annotation was computed. [2020-10-20 01:41:27,401 INFO L274 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-10-20 01:41:27,401 INFO L274 CegarLoopResult]: For program point L598-1(lines 598 606) no Hoare annotation was computed. [2020-10-20 01:41:27,401 INFO L270 CegarLoopResult]: At program point L53-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:27,401 INFO L274 CegarLoopResult]: For program point L598-2(lines 598 606) no Hoare annotation was computed. [2020-10-20 01:41:27,402 INFO L274 CegarLoopResult]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2020-10-20 01:41:27,402 INFO L270 CegarLoopResult]: At program point L53-3(lines 1 895) the Hoare annotation is: false [2020-10-20 01:41:27,402 INFO L274 CegarLoopResult]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2020-10-20 01:41:27,403 INFO L270 CegarLoopResult]: At program point L53-5(lines 1 895) the Hoare annotation is: false [2020-10-20 01:41:27,404 INFO L274 CegarLoopResult]: For program point L714(lines 714 718) no Hoare annotation was computed. [2020-10-20 01:41:27,404 INFO L274 CegarLoopResult]: For program point L714-3(lines 714 718) no Hoare annotation was computed. [2020-10-20 01:41:27,404 INFO L274 CegarLoopResult]: For program point L714-6(lines 714 718) no Hoare annotation was computed. [2020-10-20 01:41:27,404 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-20 01:41:27,404 INFO L270 CegarLoopResult]: At program point L500(lines 496 502) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:27,405 INFO L274 CegarLoopResult]: For program point L453(lines 453 457) no Hoare annotation was computed. [2020-10-20 01:41:27,405 INFO L274 CegarLoopResult]: For program point L453-1(lines 562 568) no Hoare annotation was computed. [2020-10-20 01:41:27,406 INFO L270 CegarLoopResult]: At program point L569(lines 569 575) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:27,410 INFO L274 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-10-20 01:41:27,411 INFO L270 CegarLoopResult]: At program point L569-1(lines 569 575) the Hoare annotation is: false [2020-10-20 01:41:27,411 INFO L277 CegarLoopResult]: At program point L536(lines 517 539) the Hoare annotation is: true [2020-10-20 01:41:27,411 INFO L274 CegarLoopResult]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2020-10-20 01:41:27,412 INFO L270 CegarLoopResult]: At program point L569-2(lines 569 575) the Hoare annotation is: false [2020-10-20 01:41:27,412 INFO L274 CegarLoopResult]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2020-10-20 01:41:27,412 INFO L274 CegarLoopResult]: For program point L817(lines 817 823) no Hoare annotation was computed. [2020-10-20 01:41:27,412 INFO L270 CegarLoopResult]: At program point L817-1(lines 817 823) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:27,413 INFO L270 CegarLoopResult]: At program point L751(lines 746 754) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:27,413 INFO L270 CegarLoopResult]: At program point L751-1(lines 746 754) the Hoare annotation is: false [2020-10-20 01:41:27,413 INFO L270 CegarLoopResult]: At program point L751-2(lines 746 754) the Hoare annotation is: false [2020-10-20 01:41:27,414 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:41:27,419 INFO L270 CegarLoopResult]: At program point L702(lines 687 705) the Hoare annotation is: false [2020-10-20 01:41:27,419 INFO L270 CegarLoopResult]: At program point L702-1(lines 687 705) the Hoare annotation is: false [2020-10-20 01:41:27,420 INFO L270 CegarLoopResult]: At program point L702-2(lines 687 705) the Hoare annotation is: false [2020-10-20 01:41:27,420 INFO L270 CegarLoopResult]: At program point L884(lines 1 895) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:27,420 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:27,420 INFO L270 CegarLoopResult]: At program point L853(lines 806 854) the Hoare annotation is: false [2020-10-20 01:41:27,421 INFO L274 CegarLoopResult]: For program point L837(lines 837 848) no Hoare annotation was computed. [2020-10-20 01:41:27,421 INFO L274 CegarLoopResult]: For program point L738(lines 738 742) no Hoare annotation was computed. [2020-10-20 01:41:27,421 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:41:27,421 INFO L274 CegarLoopResult]: For program point L527(lines 527 534) no Hoare annotation was computed. [2020-10-20 01:41:27,421 INFO L277 CegarLoopResult]: At program point L527-1(lines 527 534) the Hoare annotation is: true [2020-10-20 01:41:27,422 INFO L274 CegarLoopResult]: For program point L808(lines 807 852) no Hoare annotation was computed. [2020-10-20 01:41:27,422 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:41:27,422 INFO L270 CegarLoopResult]: At program point L792(lines 787 795) the Hoare annotation is: false [2020-10-20 01:41:27,422 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:27,422 INFO L270 CegarLoopResult]: At program point L792-1(lines 787 795) the Hoare annotation is: false [2020-10-20 01:41:27,423 INFO L274 CegarLoopResult]: For program point L726(lines 726 730) no Hoare annotation was computed. [2020-10-20 01:41:27,423 INFO L270 CegarLoopResult]: At program point L792-2(lines 787 795) the Hoare annotation is: false [2020-10-20 01:41:27,424 INFO L274 CegarLoopResult]: For program point L594(lines 594 611) no Hoare annotation was computed. [2020-10-20 01:41:27,424 INFO L274 CegarLoopResult]: For program point L594-1(lines 594 611) no Hoare annotation was computed. [2020-10-20 01:41:27,424 INFO L274 CegarLoopResult]: For program point L594-2(lines 594 611) no Hoare annotation was computed. [2020-10-20 01:41:27,424 INFO L274 CegarLoopResult]: For program point L809(lines 809 813) no Hoare annotation was computed. [2020-10-20 01:41:27,425 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-20 01:41:27,426 INFO L274 CegarLoopResult]: For program point L545-1(line 545) no Hoare annotation was computed. [2020-10-20 01:41:27,426 INFO L274 CegarLoopResult]: For program point L545-2(line 545) no Hoare annotation was computed. [2020-10-20 01:41:27,426 INFO L270 CegarLoopResult]: At program point L892(lines 887 895) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:27,427 INFO L270 CegarLoopResult]: At program point L562(lines 561 580) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:27,427 INFO L274 CegarLoopResult]: For program point L562-1(lines 562 568) no Hoare annotation was computed. [2020-10-20 01:41:27,427 INFO L270 CegarLoopResult]: At program point L562-2(lines 561 580) the Hoare annotation is: false [2020-10-20 01:41:27,430 INFO L270 CegarLoopResult]: At program point L562-3(lines 561 580) the Hoare annotation is: false [2020-10-20 01:41:27,430 INFO L274 CegarLoopResult]: For program point L843(lines 843 847) no Hoare annotation was computed. [2020-10-20 01:41:27,430 INFO L274 CegarLoopResult]: For program point L843-2(lines 562 568) no Hoare annotation was computed. [2020-10-20 01:41:27,430 INFO L274 CegarLoopResult]: For program point L827(lines 827 833) no Hoare annotation was computed. [2020-10-20 01:41:27,431 INFO L270 CegarLoopResult]: At program point L827-1(lines 827 833) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:27,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:41:27 BoogieIcfgContainer [2020-10-20 01:41:27,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:41:27,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:41:27,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:41:27,475 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:41:27,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:25" (3/4) ... [2020-10-20 01:41:27,485 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:41:27,514 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:41:27,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:41:27,516 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:41:27,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:41:27,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:41:27,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:27,519 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:27,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-20 01:41:27,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-20 01:41:27,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:41:27,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:41:27,549 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:41:27,550 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:41:27,550 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:41:27,551 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:41:27,552 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:41:27,620 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:41:27,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:41:27,623 INFO L168 Benchmark]: Toolchain (without parser) took 3608.73 ms. Allocated memory was 41.9 MB in the beginning and 56.6 MB in the end (delta: 14.7 MB). Free memory was 19.7 MB in the beginning and 21.9 MB in the end (delta: -2.2 MB). Peak memory consumption was 12.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:27,624 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 31.5 MB. Free memory was 8.8 MB in the beginning and 8.7 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-20 01:41:27,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.11 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 18.8 MB in the beginning and 24.2 MB in the end (delta: -5.5 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:27,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.07 ms. Allocated memory is still 44.0 MB. Free memory was 24.2 MB in the beginning and 21.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:27,625 INFO L168 Benchmark]: Boogie Preprocessor took 43.91 ms. Allocated memory is still 44.0 MB. Free memory was 21.0 MB in the beginning and 18.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:27,626 INFO L168 Benchmark]: RCFGBuilder took 933.67 ms. Allocated memory was 44.0 MB in the beginning and 46.7 MB in the end (delta: 2.6 MB). Free memory was 18.7 MB in the beginning and 19.2 MB in the end (delta: -472.0 kB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:27,626 INFO L168 Benchmark]: TraceAbstraction took 1754.61 ms. Allocated memory was 46.7 MB in the beginning and 56.6 MB in the end (delta: 10.0 MB). Free memory was 18.5 MB in the beginning and 31.2 MB in the end (delta: -12.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:27,627 INFO L168 Benchmark]: Witness Printer took 147.19 ms. Allocated memory is still 56.6 MB. Free memory was 31.2 MB in the beginning and 21.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:27,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 31.5 MB. Free memory was 8.8 MB in the beginning and 8.7 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 659.11 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 18.8 MB in the beginning and 24.2 MB in the end (delta: -5.5 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 59.07 ms. Allocated memory is still 44.0 MB. Free memory was 24.2 MB in the beginning and 21.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 43.91 ms. Allocated memory is still 44.0 MB. Free memory was 21.0 MB in the beginning and 18.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 933.67 ms. Allocated memory was 44.0 MB in the beginning and 46.7 MB in the end (delta: 2.6 MB). Free memory was 18.7 MB in the beginning and 19.2 MB in the end (delta: -472.0 kB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1754.61 ms. Allocated memory was 46.7 MB in the beginning and 56.6 MB in the end (delta: 10.0 MB). Free memory was 18.5 MB in the beginning and 31.2 MB in the end (delta: -12.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 14.3 GB. * Witness Printer took 147.19 ms. Allocated memory is still 56.6 MB. Free memory was 31.2 MB in the beginning and 21.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 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: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 309 SDtfs, 396 SDslu, 266 SDs, 0 SdLazy, 44 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 174 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1240 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 241 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4708 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...