./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product57.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_spec4_product57.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 4c6f182587f107e711c974ed9b8b1e5162ebb6f5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:44:21,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:44:21,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:44:21,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:44:21,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:44:21,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:44:21,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:44:21,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:44:21,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:44:21,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:44:21,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:44:21,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:44:21,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:44:21,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:44:21,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:44:21,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:44:21,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:44:21,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:44:21,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:44:21,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:44:21,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:44:21,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:44:21,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:44:21,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:44:21,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:44:21,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:44:21,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:44:21,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:44:21,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:44:21,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:44:21,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:44:21,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:44:21,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:44:21,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:44:21,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:44:21,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:44:21,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:44:21,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:44:21,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:44:21,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:44:21,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:44:21,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:44:21,875 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:44:21,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:44:21,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:44:21,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:44:21,877 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:44:21,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:44:21,878 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:44:21,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:44:21,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:44:21,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:44:21,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:44:21,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:44:21,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:44:21,879 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:44:21,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:44:21,879 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:44:21,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:44:21,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:44:21,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:44:21,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:44:21,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:44:21,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:21,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:44:21,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:44:21,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:44:21,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:44:21,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:44:21,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:44:21,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:44:21,882 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 -> 4c6f182587f107e711c974ed9b8b1e5162ebb6f5 [2020-10-20 01:44:22,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:44:22,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:44:22,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:44:22,117 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:44:22,118 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:44:22,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2020-10-20 01:44:22,179 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb0cdf0d/05b7820a96eb4af7b86f0522063951dd/FLAGefd6b07bc [2020-10-20 01:44:22,680 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:44:22,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2020-10-20 01:44:22,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb0cdf0d/05b7820a96eb4af7b86f0522063951dd/FLAGefd6b07bc [2020-10-20 01:44:23,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb0cdf0d/05b7820a96eb4af7b86f0522063951dd [2020-10-20 01:44:23,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:44:23,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:44:23,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:23,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:44:23,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:44:23,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:23" (1/1) ... [2020-10-20 01:44:23,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f80b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:23, skipping insertion in model container [2020-10-20 01:44:23,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:23" (1/1) ... [2020-10-20 01:44:23,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:44:23,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:44:23,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:23,482 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:44:23,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:23,599 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:44:23,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:23 WrapperNode [2020-10-20 01:44:23,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:23,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:23,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:44:23,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:44:23,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:23" (1/1) ... [2020-10-20 01:44:23,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:23" (1/1) ... [2020-10-20 01:44:23,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:23,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:44:23,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:44:23,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:44:23,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:23" (1/1) ... [2020-10-20 01:44:23,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:23" (1/1) ... [2020-10-20 01:44:23,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:23" (1/1) ... [2020-10-20 01:44:23,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:23" (1/1) ... [2020-10-20 01:44:23,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:23" (1/1) ... [2020-10-20 01:44:23,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:23" (1/1) ... [2020-10-20 01:44:23,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:23" (1/1) ... [2020-10-20 01:44:23,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:44:23,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:44:23,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:44:23,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:44:23,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:23" (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 01:44:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:44:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:44:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:44:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:44:24,876 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:44:24,876 INFO L298 CfgBuilder]: Removed 198 assume(true) statements. [2020-10-20 01:44:24,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:24 BoogieIcfgContainer [2020-10-20 01:44:24,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:44:24,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:44:24,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:44:24,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:44:24,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:44:23" (1/3) ... [2020-10-20 01:44:24,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d554af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:24, skipping insertion in model container [2020-10-20 01:44:24,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:23" (2/3) ... [2020-10-20 01:44:24,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d554af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:24, skipping insertion in model container [2020-10-20 01:44:24,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:24" (3/3) ... [2020-10-20 01:44:24,886 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2020-10-20 01:44:24,898 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:44:24,905 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:44:24,918 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:44:24,944 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:44:24,944 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:44:24,944 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:44:24,944 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:44:24,945 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:44:24,945 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:44:24,945 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:44:24,945 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:44:24,964 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-10-20 01:44:24,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:44:24,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:24,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:24,973 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:24,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:24,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1794396740, now seen corresponding path program 1 times [2020-10-20 01:44:25,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637110594] [2020-10-20 01:44:25,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,322 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 01:44:25,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637110594] [2020-10-20 01:44:25,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:25,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969164548] [2020-10-20 01:44:25,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:44:25,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:44:25,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:25,348 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-10-20 01:44:25,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,416 INFO L93 Difference]: Finished difference Result 267 states and 398 transitions. [2020-10-20 01:44:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:44:25,419 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:44:25,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,442 INFO L225 Difference]: With dead ends: 267 [2020-10-20 01:44:25,442 INFO L226 Difference]: Without dead ends: 131 [2020-10-20 01:44:25,447 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 01:44:25,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-20 01:44:25,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-10-20 01:44:25,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-20 01:44:25,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2020-10-20 01:44:25,518 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2020-10-20 01:44:25,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,519 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2020-10-20 01:44:25,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:44:25,520 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-10-20 01:44:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:44:25,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,521 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 01:44:25,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:44:25,522 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1720251087, now seen corresponding path program 1 times [2020-10-20 01:44:25,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535761275] [2020-10-20 01:44:25,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,678 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 01:44:25,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535761275] [2020-10-20 01:44:25,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:25,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70545872] [2020-10-20 01:44:25,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:25,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:25,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:25,683 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2020-10-20 01:44:25,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,697 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-10-20 01:44:25,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:25,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:44:25,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,700 INFO L225 Difference]: With dead ends: 131 [2020-10-20 01:44:25,701 INFO L226 Difference]: Without dead ends: 53 [2020-10-20 01:44:25,702 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 01:44:25,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-20 01:44:25,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-20 01:44:25,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-20 01:44:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-10-20 01:44:25,707 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2020-10-20 01:44:25,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,708 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-10-20 01:44:25,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:25,708 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-10-20 01:44:25,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:44:25,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,709 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 01:44:25,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:44:25,709 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,710 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2020-10-20 01:44:25,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963533992] [2020-10-20 01:44:25,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,761 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 01:44:25,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963533992] [2020-10-20 01:44:25,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:25,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496617838] [2020-10-20 01:44:25,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:25,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:25,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:25,764 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-10-20 01:44:25,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,771 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2020-10-20 01:44:25,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:25,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 01:44:25,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,773 INFO L225 Difference]: With dead ends: 100 [2020-10-20 01:44:25,773 INFO L226 Difference]: Without dead ends: 53 [2020-10-20 01:44:25,773 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 01:44:25,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-20 01:44:25,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-20 01:44:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-20 01:44:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-10-20 01:44:25,778 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2020-10-20 01:44:25,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,779 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-10-20 01:44:25,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:25,779 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-10-20 01:44:25,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:44:25,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,780 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 01:44:25,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:44:25,781 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,781 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2020-10-20 01:44:25,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321377785] [2020-10-20 01:44:25,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,838 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 01:44:25,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321377785] [2020-10-20 01:44:25,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:25,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652805745] [2020-10-20 01:44:25,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:25,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:25,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:25,841 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-10-20 01:44:25,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,871 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2020-10-20 01:44:25,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:25,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:44:25,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,873 INFO L225 Difference]: With dead ends: 121 [2020-10-20 01:44:25,873 INFO L226 Difference]: Without dead ends: 74 [2020-10-20 01:44:25,874 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 01:44:25,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-20 01:44:25,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2020-10-20 01:44:25,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-20 01:44:25,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2020-10-20 01:44:25,881 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2020-10-20 01:44:25,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,882 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2020-10-20 01:44:25,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:25,882 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2020-10-20 01:44:25,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-20 01:44:25,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,883 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] [2020-10-20 01:44:25,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:25,883 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,884 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2020-10-20 01:44:25,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007528383] [2020-10-20 01:44:25,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,944 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 01:44:25,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007528383] [2020-10-20 01:44:25,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:25,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855035851] [2020-10-20 01:44:25,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:25,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:25,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:25,947 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2020-10-20 01:44:26,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:26,060 INFO L93 Difference]: Finished difference Result 253 states and 363 transitions. [2020-10-20 01:44:26,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:26,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-20 01:44:26,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:26,062 INFO L225 Difference]: With dead ends: 253 [2020-10-20 01:44:26,062 INFO L226 Difference]: Without dead ends: 187 [2020-10-20 01:44:26,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 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 01:44:26,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-20 01:44:26,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2020-10-20 01:44:26,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-20 01:44:26,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 158 transitions. [2020-10-20 01:44:26,076 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 158 transitions. Word has length 30 [2020-10-20 01:44:26,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:26,077 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 158 transitions. [2020-10-20 01:44:26,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2020-10-20 01:44:26,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-20 01:44:26,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:26,078 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] [2020-10-20 01:44:26,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:26,079 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:26,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:26,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1392623830, now seen corresponding path program 1 times [2020-10-20 01:44:26,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:26,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418563149] [2020-10-20 01:44:26,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,149 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 01:44:26,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418563149] [2020-10-20 01:44:26,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:26,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:26,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648869857] [2020-10-20 01:44:26,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:26,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:26,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:26,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:26,153 INFO L87 Difference]: Start difference. First operand 115 states and 158 transitions. Second operand 4 states. [2020-10-20 01:44:26,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:26,312 INFO L93 Difference]: Finished difference Result 238 states and 334 transitions. [2020-10-20 01:44:26,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:26,313 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-20 01:44:26,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:26,314 INFO L225 Difference]: With dead ends: 238 [2020-10-20 01:44:26,314 INFO L226 Difference]: Without dead ends: 172 [2020-10-20 01:44:26,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:26,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-20 01:44:26,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 169. [2020-10-20 01:44:26,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-20 01:44:26,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 233 transitions. [2020-10-20 01:44:26,345 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 233 transitions. Word has length 31 [2020-10-20 01:44:26,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:26,345 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 233 transitions. [2020-10-20 01:44:26,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:26,346 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 233 transitions. [2020-10-20 01:44:26,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-20 01:44:26,347 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:26,347 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] [2020-10-20 01:44:26,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:44:26,348 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:26,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:26,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1134458392, now seen corresponding path program 1 times [2020-10-20 01:44:26,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:26,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549420996] [2020-10-20 01:44:26,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,417 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 01:44:26,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549420996] [2020-10-20 01:44:26,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:26,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:26,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162734296] [2020-10-20 01:44:26,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:26,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:26,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:26,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:26,421 INFO L87 Difference]: Start difference. First operand 169 states and 233 transitions. Second operand 4 states. [2020-10-20 01:44:26,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:26,491 INFO L93 Difference]: Finished difference Result 473 states and 664 transitions. [2020-10-20 01:44:26,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:26,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-20 01:44:26,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:26,493 INFO L225 Difference]: With dead ends: 473 [2020-10-20 01:44:26,494 INFO L226 Difference]: Without dead ends: 352 [2020-10-20 01:44:26,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:26,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2020-10-20 01:44:26,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 169. [2020-10-20 01:44:26,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-20 01:44:26,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 231 transitions. [2020-10-20 01:44:26,513 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 231 transitions. Word has length 31 [2020-10-20 01:44:26,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:26,513 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 231 transitions. [2020-10-20 01:44:26,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:26,514 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 231 transitions. [2020-10-20 01:44:26,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-20 01:44:26,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:26,515 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] [2020-10-20 01:44:26,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:44:26,516 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:26,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:26,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1527485402, now seen corresponding path program 1 times [2020-10-20 01:44:26,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:26,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542818194] [2020-10-20 01:44:26,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,629 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 01:44:26,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542818194] [2020-10-20 01:44:26,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:26,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:44:26,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007991929] [2020-10-20 01:44:26,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:26,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:26,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:26,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:26,632 INFO L87 Difference]: Start difference. First operand 169 states and 231 transitions. Second operand 6 states. [2020-10-20 01:44:26,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:26,745 INFO L93 Difference]: Finished difference Result 592 states and 826 transitions. [2020-10-20 01:44:26,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:44:26,746 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-10-20 01:44:26,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:26,749 INFO L225 Difference]: With dead ends: 592 [2020-10-20 01:44:26,749 INFO L226 Difference]: Without dead ends: 429 [2020-10-20 01:44:26,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:44:26,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-10-20 01:44:26,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 178. [2020-10-20 01:44:26,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-20 01:44:26,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 238 transitions. [2020-10-20 01:44:26,785 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 238 transitions. Word has length 31 [2020-10-20 01:44:26,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:26,786 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 238 transitions. [2020-10-20 01:44:26,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:26,786 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 238 transitions. [2020-10-20 01:44:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:44:26,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:26,788 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] [2020-10-20 01:44:26,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:44:26,788 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:26,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:26,789 INFO L82 PathProgramCache]: Analyzing trace with hash -987336539, now seen corresponding path program 1 times [2020-10-20 01:44:26,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:26,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069850621] [2020-10-20 01:44:26,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,858 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 01:44:26,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069850621] [2020-10-20 01:44:26,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:26,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:26,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740408076] [2020-10-20 01:44:26,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:26,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:26,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:26,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:26,861 INFO L87 Difference]: Start difference. First operand 178 states and 238 transitions. Second operand 6 states. [2020-10-20 01:44:27,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:27,055 INFO L93 Difference]: Finished difference Result 912 states and 1223 transitions. [2020-10-20 01:44:27,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:27,055 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-10-20 01:44:27,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:27,059 INFO L225 Difference]: With dead ends: 912 [2020-10-20 01:44:27,059 INFO L226 Difference]: Without dead ends: 740 [2020-10-20 01:44:27,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:44:27,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-10-20 01:44:27,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 338. [2020-10-20 01:44:27,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-20 01:44:27,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 445 transitions. [2020-10-20 01:44:27,091 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 445 transitions. Word has length 34 [2020-10-20 01:44:27,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:27,092 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 445 transitions. [2020-10-20 01:44:27,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:27,092 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 445 transitions. [2020-10-20 01:44:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:44:27,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:27,094 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] [2020-10-20 01:44:27,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:44:27,095 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:27,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:27,095 INFO L82 PathProgramCache]: Analyzing trace with hash 787670823, now seen corresponding path program 1 times [2020-10-20 01:44:27,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:27,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41880127] [2020-10-20 01:44:27,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,175 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 01:44:27,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41880127] [2020-10-20 01:44:27,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:27,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:27,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718787126] [2020-10-20 01:44:27,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:27,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:27,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:27,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:27,178 INFO L87 Difference]: Start difference. First operand 338 states and 445 transitions. Second operand 5 states. [2020-10-20 01:44:27,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:27,459 INFO L93 Difference]: Finished difference Result 752 states and 993 transitions. [2020-10-20 01:44:27,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:27,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:44:27,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:27,466 INFO L225 Difference]: With dead ends: 752 [2020-10-20 01:44:27,466 INFO L226 Difference]: Without dead ends: 510 [2020-10-20 01:44:27,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 01:44:27,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-10-20 01:44:27,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 332. [2020-10-20 01:44:27,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-10-20 01:44:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 433 transitions. [2020-10-20 01:44:27,510 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 433 transitions. Word has length 34 [2020-10-20 01:44:27,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:27,510 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 433 transitions. [2020-10-20 01:44:27,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:27,510 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 433 transitions. [2020-10-20 01:44:27,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-20 01:44:27,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:27,515 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-20 01:44:27,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:44:27,516 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:27,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:27,516 INFO L82 PathProgramCache]: Analyzing trace with hash -905763614, now seen corresponding path program 1 times [2020-10-20 01:44:27,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:27,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190731751] [2020-10-20 01:44:27,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:44:27,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190731751] [2020-10-20 01:44:27,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:27,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:27,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816519900] [2020-10-20 01:44:27,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:27,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:27,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:27,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:27,579 INFO L87 Difference]: Start difference. First operand 332 states and 433 transitions. Second operand 5 states. [2020-10-20 01:44:27,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:27,674 INFO L93 Difference]: Finished difference Result 753 states and 985 transitions. [2020-10-20 01:44:27,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:27,674 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-20 01:44:27,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:27,677 INFO L225 Difference]: With dead ends: 753 [2020-10-20 01:44:27,677 INFO L226 Difference]: Without dead ends: 427 [2020-10-20 01:44:27,678 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 01:44:27,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-10-20 01:44:27,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 332. [2020-10-20 01:44:27,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-10-20 01:44:27,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 427 transitions. [2020-10-20 01:44:27,712 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 427 transitions. Word has length 53 [2020-10-20 01:44:27,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:27,712 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 427 transitions. [2020-10-20 01:44:27,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:27,713 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 427 transitions. [2020-10-20 01:44:27,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-20 01:44:27,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:27,714 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-20 01:44:27,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:44:27,715 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:27,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:27,715 INFO L82 PathProgramCache]: Analyzing trace with hash -978150172, now seen corresponding path program 1 times [2020-10-20 01:44:27,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:27,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976687337] [2020-10-20 01:44:27,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:44:27,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976687337] [2020-10-20 01:44:27,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:27,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:27,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803148468] [2020-10-20 01:44:27,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:27,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:27,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:27,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:27,773 INFO L87 Difference]: Start difference. First operand 332 states and 427 transitions. Second operand 4 states. [2020-10-20 01:44:27,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:27,836 INFO L93 Difference]: Finished difference Result 676 states and 879 transitions. [2020-10-20 01:44:27,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:27,836 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-10-20 01:44:27,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:27,838 INFO L225 Difference]: With dead ends: 676 [2020-10-20 01:44:27,838 INFO L226 Difference]: Without dead ends: 350 [2020-10-20 01:44:27,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:27,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-10-20 01:44:27,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 266. [2020-10-20 01:44:27,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-20 01:44:27,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 341 transitions. [2020-10-20 01:44:27,865 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 341 transitions. Word has length 53 [2020-10-20 01:44:27,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:27,865 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 341 transitions. [2020-10-20 01:44:27,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:27,866 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 341 transitions. [2020-10-20 01:44:27,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-20 01:44:27,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:27,867 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:27,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:44:27,867 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:27,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:27,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1543448920, now seen corresponding path program 1 times [2020-10-20 01:44:27,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:27,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592875834] [2020-10-20 01:44:27,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:27,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592875834] [2020-10-20 01:44:27,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:27,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:27,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879435781] [2020-10-20 01:44:27,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:27,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:27,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:27,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:27,931 INFO L87 Difference]: Start difference. First operand 266 states and 341 transitions. Second operand 5 states. [2020-10-20 01:44:28,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:28,028 INFO L93 Difference]: Finished difference Result 878 states and 1149 transitions. [2020-10-20 01:44:28,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:28,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-10-20 01:44:28,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:28,031 INFO L225 Difference]: With dead ends: 878 [2020-10-20 01:44:28,032 INFO L226 Difference]: Without dead ends: 666 [2020-10-20 01:44:28,032 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 01:44:28,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2020-10-20 01:44:28,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 272. [2020-10-20 01:44:28,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-10-20 01:44:28,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 347 transitions. [2020-10-20 01:44:28,061 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 347 transitions. Word has length 54 [2020-10-20 01:44:28,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:28,062 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 347 transitions. [2020-10-20 01:44:28,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 347 transitions. [2020-10-20 01:44:28,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-20 01:44:28,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:28,063 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:28,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-20 01:44:28,063 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:28,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:28,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1936475930, now seen corresponding path program 1 times [2020-10-20 01:44:28,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:28,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290690187] [2020-10-20 01:44:28,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:28,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290690187] [2020-10-20 01:44:28,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:28,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:28,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135743519] [2020-10-20 01:44:28,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:28,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:28,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:28,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:28,121 INFO L87 Difference]: Start difference. First operand 272 states and 347 transitions. Second operand 5 states. [2020-10-20 01:44:28,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:28,282 INFO L93 Difference]: Finished difference Result 708 states and 904 transitions. [2020-10-20 01:44:28,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:28,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-10-20 01:44:28,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:28,285 INFO L225 Difference]: With dead ends: 708 [2020-10-20 01:44:28,286 INFO L226 Difference]: Without dead ends: 706 [2020-10-20 01:44:28,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 01:44:28,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-10-20 01:44:28,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 272. [2020-10-20 01:44:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-10-20 01:44:28,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 345 transitions. [2020-10-20 01:44:28,322 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 345 transitions. Word has length 54 [2020-10-20 01:44:28,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:28,322 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 345 transitions. [2020-10-20 01:44:28,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:28,323 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 345 transitions. [2020-10-20 01:44:28,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-20 01:44:28,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:28,324 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:28,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-20 01:44:28,324 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:28,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:28,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1296965935, now seen corresponding path program 1 times [2020-10-20 01:44:28,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:28,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758578696] [2020-10-20 01:44:28,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:28,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758578696] [2020-10-20 01:44:28,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013781236] [2020-10-20 01:44:28,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:44:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:28,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 01:44:28,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:28,643 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:28,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:44:28,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-20 01:44:28,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374855967] [2020-10-20 01:44:28,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:28,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:28,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:28,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:28,646 INFO L87 Difference]: Start difference. First operand 272 states and 345 transitions. Second operand 6 states. [2020-10-20 01:44:28,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:28,890 INFO L93 Difference]: Finished difference Result 855 states and 1102 transitions. [2020-10-20 01:44:28,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:28,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-10-20 01:44:28,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:28,893 INFO L225 Difference]: With dead ends: 855 [2020-10-20 01:44:28,894 INFO L226 Difference]: Without dead ends: 637 [2020-10-20 01:44:28,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:44:28,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-10-20 01:44:28,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 386. [2020-10-20 01:44:28,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-10-20 01:44:28,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 495 transitions. [2020-10-20 01:44:28,950 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 495 transitions. Word has length 55 [2020-10-20 01:44:28,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:28,951 INFO L481 AbstractCegarLoop]: Abstraction has 386 states and 495 transitions. [2020-10-20 01:44:28,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:28,951 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 495 transitions. [2020-10-20 01:44:28,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-20 01:44:28,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:28,952 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-20 01:44:29,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-20 01:44:29,167 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:29,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:29,167 INFO L82 PathProgramCache]: Analyzing trace with hash -309250713, now seen corresponding path program 2 times [2020-10-20 01:44:29,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:29,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143722899] [2020-10-20 01:44:29,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:29,301 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:29,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143722899] [2020-10-20 01:44:29,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:29,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:29,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084655181] [2020-10-20 01:44:29,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:29,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:29,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:29,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:29,303 INFO L87 Difference]: Start difference. First operand 386 states and 495 transitions. Second operand 5 states. [2020-10-20 01:44:29,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:29,816 INFO L93 Difference]: Finished difference Result 1180 states and 1538 transitions. [2020-10-20 01:44:29,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:44:29,817 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-10-20 01:44:29,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:29,821 INFO L225 Difference]: With dead ends: 1180 [2020-10-20 01:44:29,822 INFO L226 Difference]: Without dead ends: 846 [2020-10-20 01:44:29,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:29,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2020-10-20 01:44:29,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 532. [2020-10-20 01:44:29,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 532 states. [2020-10-20 01:44:29,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 679 transitions. [2020-10-20 01:44:29,912 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 679 transitions. Word has length 76 [2020-10-20 01:44:29,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:29,912 INFO L481 AbstractCegarLoop]: Abstraction has 532 states and 679 transitions. [2020-10-20 01:44:29,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 679 transitions. [2020-10-20 01:44:29,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-20 01:44:29,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:29,915 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-20 01:44:29,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-20 01:44:29,915 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:29,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:29,916 INFO L82 PathProgramCache]: Analyzing trace with hash -34491099, now seen corresponding path program 1 times [2020-10-20 01:44:29,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:29,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485022076] [2020-10-20 01:44:29,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:29,983 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-20 01:44:29,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485022076] [2020-10-20 01:44:29,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210932336] [2020-10-20 01:44:29,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:44:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:30,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:44:30,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:30,182 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-20 01:44:30,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:44:30,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-10-20 01:44:30,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149776501] [2020-10-20 01:44:30,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:30,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:30,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:30,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:44:30,184 INFO L87 Difference]: Start difference. First operand 532 states and 679 transitions. Second operand 5 states. [2020-10-20 01:44:30,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:30,281 INFO L93 Difference]: Finished difference Result 934 states and 1186 transitions. [2020-10-20 01:44:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:30,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-10-20 01:44:30,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:30,282 INFO L225 Difference]: With dead ends: 934 [2020-10-20 01:44:30,283 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:30,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:44:30,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:30,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:30,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:30,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:30,286 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2020-10-20 01:44:30,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:30,286 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:30,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:30,287 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:30,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:30,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-20 01:44:30,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:31,041 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 204 [2020-10-20 01:44:32,022 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 224 [2020-10-20 01:44:32,266 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 148 [2020-10-20 01:44:32,828 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 220 [2020-10-20 01:44:33,377 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 219 [2020-10-20 01:44:33,597 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2020-10-20 01:44:33,872 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 162 [2020-10-20 01:44:35,101 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 203 DAG size of output: 32 [2020-10-20 01:44:36,289 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 215 DAG size of output: 20 [2020-10-20 01:44:36,881 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 35 [2020-10-20 01:44:38,110 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 217 DAG size of output: 22 [2020-10-20 01:44:39,386 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 28 [2020-10-20 01:44:39,520 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-10-20 01:44:40,107 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 30 [2020-10-20 01:44:40,809 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2020-10-20 01:44:41,215 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 20 [2020-10-20 01:44:41,433 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 21 [2020-10-20 01:44:41,458 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:41,458 INFO L270 CegarLoopResult]: At program point L564(lines 560 566) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:41,458 INFO L270 CegarLoopResult]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) (= ULTIMATE.start_activatePump_~tmp~3 0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)))) [2020-10-20 01:44:41,458 INFO L270 CegarLoopResult]: At program point L102(lines 55 103) the Hoare annotation is: false [2020-10-20 01:44:41,459 INFO L270 CegarLoopResult]: At program point L135-1(lines 135 141) the Hoare annotation is: false [2020-10-20 01:44:41,459 INFO L270 CegarLoopResult]: At program point L135-2(lines 135 141) the Hoare annotation is: false [2020-10-20 01:44:41,459 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:41,459 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:41,459 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:41,459 INFO L270 CegarLoopResult]: At program point L500(lines 495 503) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:41,460 INFO L274 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-10-20 01:44:41,460 INFO L274 CegarLoopResult]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L306(lines 306 310) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L306-2(lines 306 310) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L306-3(lines 306 310) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L306-5(lines 306 310) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L306-6(lines 306 310) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L306-8(lines 306 310) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L306-9(lines 306 310) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point L306-11(lines 306 310) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point L306-12(lines 306 310) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point L306-14(lines 306 310) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point L306-15(lines 306 310) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point L306-17(lines 306 310) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L270 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) (= ULTIMATE.start_activatePump_~tmp~3 0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ~waterLevel~0) .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and .cse0 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) .cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L270 CegarLoopResult]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2020-10-20 01:44:41,463 INFO L270 CegarLoopResult]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2020-10-20 01:44:41,463 INFO L274 CegarLoopResult]: For program point L76(lines 76 82) no Hoare annotation was computed. [2020-10-20 01:44:41,464 INFO L270 CegarLoopResult]: At program point L76-1(lines 76 82) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse3) (and (= ULTIMATE.start_activatePump_~tmp~3 0) .cse0 .cse1 .cse3))) [2020-10-20 01:44:41,464 INFO L270 CegarLoopResult]: At program point L407(lines 402 410) the Hoare annotation is: false [2020-10-20 01:44:41,464 INFO L270 CegarLoopResult]: At program point L407-1(lines 402 410) the Hoare annotation is: (and (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) [2020-10-20 01:44:41,464 INFO L270 CegarLoopResult]: At program point L407-2(lines 402 410) the Hoare annotation is: false [2020-10-20 01:44:41,464 INFO L270 CegarLoopResult]: At program point L407-3(lines 402 410) the Hoare annotation is: false [2020-10-20 01:44:41,465 INFO L270 CegarLoopResult]: At program point L407-4(lines 402 410) the Hoare annotation is: false [2020-10-20 01:44:41,465 INFO L270 CegarLoopResult]: At program point L407-5(lines 402 410) the Hoare annotation is: false [2020-10-20 01:44:41,465 INFO L274 CegarLoopResult]: For program point L971(line 971) no Hoare annotation was computed. [2020-10-20 01:44:41,465 INFO L274 CegarLoopResult]: For program point L971-1(line 971) no Hoare annotation was computed. [2020-10-20 01:44:41,465 INFO L274 CegarLoopResult]: For program point L971-2(line 971) no Hoare annotation was computed. [2020-10-20 01:44:41,466 INFO L270 CegarLoopResult]: At program point L312(lines 297 315) the Hoare annotation is: false [2020-10-20 01:44:41,466 INFO L270 CegarLoopResult]: At program point L312-1(lines 297 315) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not .cse0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (not .cse4)) (and .cse4 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) .cse0 .cse2 (<= 1 ~waterLevel~0) .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2020-10-20 01:44:41,466 INFO L270 CegarLoopResult]: At program point L312-2(lines 297 315) the Hoare annotation is: false [2020-10-20 01:44:41,466 INFO L270 CegarLoopResult]: At program point L312-3(lines 297 315) the Hoare annotation is: false [2020-10-20 01:44:41,466 INFO L270 CegarLoopResult]: At program point L312-4(lines 297 315) the Hoare annotation is: false [2020-10-20 01:44:41,466 INFO L270 CegarLoopResult]: At program point L312-5(lines 297 315) the Hoare annotation is: false [2020-10-20 01:44:41,467 INFO L274 CegarLoopResult]: For program point L346(lines 346 359) no Hoare annotation was computed. [2020-10-20 01:44:41,467 INFO L270 CegarLoopResult]: At program point L346-1(lines 1 974) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 (<= 1 ~waterLevel~0) .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2) (and (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) (= ULTIMATE.start_activatePump_~tmp~3 0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ~waterLevel~0) .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))))) [2020-10-20 01:44:41,467 INFO L274 CegarLoopResult]: For program point L346-2(lines 346 359) no Hoare annotation was computed. [2020-10-20 01:44:41,467 INFO L270 CegarLoopResult]: At program point L346-3(lines 1 974) the Hoare annotation is: false [2020-10-20 01:44:41,467 INFO L274 CegarLoopResult]: For program point L346-4(lines 346 359) no Hoare annotation was computed. [2020-10-20 01:44:41,468 INFO L270 CegarLoopResult]: At program point L346-5(lines 1 974) the Hoare annotation is: false [2020-10-20 01:44:41,468 INFO L270 CegarLoopResult]: At program point L248(lines 241 251) the Hoare annotation is: false [2020-10-20 01:44:41,468 INFO L270 CegarLoopResult]: At program point L248-1(lines 241 251) the Hoare annotation is: (and (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) [2020-10-20 01:44:41,468 INFO L270 CegarLoopResult]: At program point L248-2(lines 241 251) the Hoare annotation is: false [2020-10-20 01:44:41,468 INFO L270 CegarLoopResult]: At program point L248-3(lines 241 251) the Hoare annotation is: false [2020-10-20 01:44:41,468 INFO L270 CegarLoopResult]: At program point L248-4(lines 241 251) the Hoare annotation is: false [2020-10-20 01:44:41,469 INFO L270 CegarLoopResult]: At program point L248-5(lines 241 251) the Hoare annotation is: false [2020-10-20 01:44:41,469 INFO L274 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-10-20 01:44:41,469 INFO L274 CegarLoopResult]: For program point L447-1(lines 447 453) no Hoare annotation was computed. [2020-10-20 01:44:41,469 INFO L274 CegarLoopResult]: For program point L447-2(lines 447 453) no Hoare annotation was computed. [2020-10-20 01:44:41,469 INFO L274 CegarLoopResult]: For program point L447-3(lines 447 453) no Hoare annotation was computed. [2020-10-20 01:44:41,469 INFO L274 CegarLoopResult]: For program point L447-4(lines 447 453) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point L447-5(lines 447 453) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point L350(lines 350 356) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point L350-2(lines 350 356) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point L350-4(lines 350 356) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point L86(lines 86 97) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L270 CegarLoopResult]: At program point L516-2(lines 516 530) the Hoare annotation is: false [2020-10-20 01:44:41,471 INFO L274 CegarLoopResult]: For program point L186(lines 186 203) no Hoare annotation was computed. [2020-10-20 01:44:41,471 INFO L274 CegarLoopResult]: For program point L186-1(lines 186 203) no Hoare annotation was computed. [2020-10-20 01:44:41,471 INFO L274 CegarLoopResult]: For program point L186-2(lines 186 203) no Hoare annotation was computed. [2020-10-20 01:44:41,471 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-20 01:44:41,471 INFO L270 CegarLoopResult]: At program point L452(lines 443 456) the Hoare annotation is: false [2020-10-20 01:44:41,471 INFO L270 CegarLoopResult]: At program point L452-1(lines 443 456) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-20 01:44:41,471 INFO L270 CegarLoopResult]: At program point L452-2(lines 443 456) the Hoare annotation is: false [2020-10-20 01:44:41,471 INFO L270 CegarLoopResult]: At program point L452-3(lines 443 456) the Hoare annotation is: false [2020-10-20 01:44:41,471 INFO L270 CegarLoopResult]: At program point L452-4(lines 443 456) the Hoare annotation is: false [2020-10-20 01:44:41,471 INFO L270 CegarLoopResult]: At program point L452-5(lines 443 456) the Hoare annotation is: false [2020-10-20 01:44:41,471 INFO L274 CegarLoopResult]: For program point L57(lines 56 101) no Hoare annotation was computed. [2020-10-20 01:44:41,472 INFO L274 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-10-20 01:44:41,472 INFO L274 CegarLoopResult]: For program point L520-1(lines 128 134) no Hoare annotation was computed. [2020-10-20 01:44:41,472 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:41,472 INFO L274 CegarLoopResult]: For program point L223(lines 223 229) no Hoare annotation was computed. [2020-10-20 01:44:41,472 INFO L274 CegarLoopResult]: For program point L190(lines 190 198) no Hoare annotation was computed. [2020-10-20 01:44:41,472 INFO L274 CegarLoopResult]: For program point L223-2(lines 223 229) no Hoare annotation was computed. [2020-10-20 01:44:41,472 INFO L274 CegarLoopResult]: For program point L190-1(lines 190 198) no Hoare annotation was computed. [2020-10-20 01:44:41,472 INFO L274 CegarLoopResult]: For program point L190-2(lines 190 198) no Hoare annotation was computed. [2020-10-20 01:44:41,472 INFO L274 CegarLoopResult]: For program point L223-4(lines 223 229) no Hoare annotation was computed. [2020-10-20 01:44:41,473 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-20 01:44:41,473 INFO L274 CegarLoopResult]: For program point L223-6(lines 223 229) no Hoare annotation was computed. [2020-10-20 01:44:41,473 INFO L274 CegarLoopResult]: For program point L223-8(lines 223 229) no Hoare annotation was computed. [2020-10-20 01:44:41,473 INFO L274 CegarLoopResult]: For program point L223-10(lines 223 229) no Hoare annotation was computed. [2020-10-20 01:44:41,473 INFO L274 CegarLoopResult]: For program point L587(lines 587 594) no Hoare annotation was computed. [2020-10-20 01:44:41,473 INFO L277 CegarLoopResult]: At program point L587-1(lines 587 594) the Hoare annotation is: true [2020-10-20 01:44:41,473 INFO L270 CegarLoopResult]: At program point L257(lines 252 260) the Hoare annotation is: false [2020-10-20 01:44:41,473 INFO L270 CegarLoopResult]: At program point L257-1(lines 252 260) the Hoare annotation is: false [2020-10-20 01:44:41,473 INFO L270 CegarLoopResult]: At program point L257-2(lines 252 260) the Hoare annotation is: false [2020-10-20 01:44:41,473 INFO L274 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2020-10-20 01:44:41,474 INFO L274 CegarLoopResult]: For program point L92-2(lines 128 134) no Hoare annotation was computed. [2020-10-20 01:44:41,474 INFO L274 CegarLoopResult]: For program point L325(lines 325 329) no Hoare annotation was computed. [2020-10-20 01:44:41,474 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2020-10-20 01:44:41,474 INFO L274 CegarLoopResult]: For program point L325-3(lines 325 329) no Hoare annotation was computed. [2020-10-20 01:44:41,474 INFO L274 CegarLoopResult]: For program point L160(lines 160 177) no Hoare annotation was computed. [2020-10-20 01:44:41,474 INFO L274 CegarLoopResult]: For program point L325-5(lines 325 329) no Hoare annotation was computed. [2020-10-20 01:44:41,474 INFO L274 CegarLoopResult]: For program point L160-1(lines 160 177) no Hoare annotation was computed. [2020-10-20 01:44:41,474 INFO L274 CegarLoopResult]: For program point L325-6(lines 325 329) no Hoare annotation was computed. [2020-10-20 01:44:41,474 INFO L274 CegarLoopResult]: For program point L160-2(lines 160 177) no Hoare annotation was computed. [2020-10-20 01:44:41,474 INFO L274 CegarLoopResult]: For program point L160-3(lines 160 177) no Hoare annotation was computed. [2020-10-20 01:44:41,474 INFO L274 CegarLoopResult]: For program point L325-8(lines 325 329) no Hoare annotation was computed. [2020-10-20 01:44:41,475 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:41,475 INFO L274 CegarLoopResult]: For program point L160-4(lines 160 177) no Hoare annotation was computed. [2020-10-20 01:44:41,475 INFO L274 CegarLoopResult]: For program point L160-5(lines 160 177) no Hoare annotation was computed. [2020-10-20 01:44:41,475 INFO L270 CegarLoopResult]: At program point L128(lines 127 146) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_activatePump_~tmp~3 0) .cse0 .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1))) [2020-10-20 01:44:41,475 INFO L274 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2020-10-20 01:44:41,476 INFO L270 CegarLoopResult]: At program point L128-2(lines 127 146) the Hoare annotation is: false [2020-10-20 01:44:41,476 INFO L270 CegarLoopResult]: At program point L128-3(lines 127 146) the Hoare annotation is: false [2020-10-20 01:44:41,476 INFO L270 CegarLoopResult]: At program point L492(lines 1 974) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:41,476 INFO L274 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-10-20 01:44:41,476 INFO L274 CegarLoopResult]: For program point L164(lines 164 172) no Hoare annotation was computed. [2020-10-20 01:44:41,476 INFO L274 CegarLoopResult]: For program point L164-1(lines 164 172) no Hoare annotation was computed. [2020-10-20 01:44:41,477 INFO L274 CegarLoopResult]: For program point L164-2(lines 164 172) no Hoare annotation was computed. [2020-10-20 01:44:41,477 INFO L274 CegarLoopResult]: For program point L164-3(lines 164 172) no Hoare annotation was computed. [2020-10-20 01:44:41,477 INFO L274 CegarLoopResult]: For program point L164-4(lines 164 172) no Hoare annotation was computed. [2020-10-20 01:44:41,477 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:41,477 INFO L274 CegarLoopResult]: For program point L164-5(lines 164 172) no Hoare annotation was computed. [2020-10-20 01:44:41,477 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:41,478 INFO L270 CegarLoopResult]: At program point L462(lines 457 465) the Hoare annotation is: (and (= ULTIMATE.start_activatePump_~tmp~3 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:41,478 INFO L270 CegarLoopResult]: At program point L462-1(lines 457 465) the Hoare annotation is: false [2020-10-20 01:44:41,478 INFO L270 CegarLoopResult]: At program point L462-2(lines 457 465) the Hoare annotation is: false [2020-10-20 01:44:41,478 INFO L274 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-10-20 01:44:41,478 INFO L270 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse2 .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) .cse0 .cse2 .cse3) (and (= ULTIMATE.start_activatePump_~tmp~3 0) .cse0 .cse1 .cse3))) [2020-10-20 01:44:41,479 INFO L270 CegarLoopResult]: At program point L331(lines 316 334) the Hoare annotation is: (and (= ULTIMATE.start_activatePump_~tmp~3 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) [2020-10-20 01:44:41,479 INFO L270 CegarLoopResult]: At program point L331-1(lines 316 334) the Hoare annotation is: false [2020-10-20 01:44:41,479 INFO L270 CegarLoopResult]: At program point L331-2(lines 316 334) the Hoare annotation is: false [2020-10-20 01:44:41,479 INFO L277 CegarLoopResult]: At program point L596(lines 577 599) the Hoare annotation is: true [2020-10-20 01:44:41,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:41 BoogieIcfgContainer [2020-10-20 01:44:41,507 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:41,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:41,508 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:41,508 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:41,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:24" (3/4) ... [2020-10-20 01:44:41,512 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:41,539 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:41,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:41,542 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:41,543 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:41,545 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:41,546 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:41,547 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:41,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((2 <= tmp && !(tmp == 0)) && tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-10-20 01:44:41,579 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) [2020-10-20 01:44:41,580 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:44:41,581 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) [2020-10-20 01:44:41,582 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-20 01:44:41,583 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:41,584 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && tmp == 0) && 1 == systemActive) && \result == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result [2020-10-20 01:44:41,584 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp___0 == 0 && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:44:41,586 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0) [2020-10-20 01:44:41,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0) [2020-10-20 01:44:41,715 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:41,716 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:41,717 INFO L168 Benchmark]: Toolchain (without parser) took 18711.38 ms. Allocated memory was 36.7 MB in the beginning and 191.4 MB in the end (delta: 154.7 MB). Free memory was 13.3 MB in the beginning and 30.0 MB in the end (delta: -16.7 MB). Peak memory consumption was 137.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,718 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 34.1 MB. Free memory was 19.4 MB in the beginning and 19.4 MB in the end (delta: 35.5 kB). Peak memory consumption was 35.5 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.43 ms. Allocated memory was 36.7 MB in the beginning and 45.1 MB in the end (delta: 8.4 MB). Free memory was 12.4 MB in the beginning and 15.9 MB in the end (delta: -3.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.46 ms. Allocated memory was 45.1 MB in the beginning and 44.6 MB in the end (delta: -524.3 kB). Free memory was 15.9 MB in the beginning and 24.7 MB in the end (delta: -8.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,719 INFO L168 Benchmark]: Boogie Preprocessor took 65.76 ms. Allocated memory is still 44.6 MB. Free memory was 24.7 MB in the beginning and 21.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,720 INFO L168 Benchmark]: RCFGBuilder took 1100.17 ms. Allocated memory was 44.6 MB in the beginning and 51.4 MB in the end (delta: 6.8 MB). Free memory was 21.7 MB in the beginning and 16.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,720 INFO L168 Benchmark]: TraceAbstraction took 16628.12 ms. Allocated memory was 51.4 MB in the beginning and 191.4 MB in the end (delta: 140.0 MB). Free memory was 15.6 MB in the beginning and 45.5 MB in the end (delta: -29.9 MB). Peak memory consumption was 146.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,721 INFO L168 Benchmark]: Witness Printer took 207.83 ms. Allocated memory is still 191.4 MB. Free memory was 45.5 MB in the beginning and 30.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,724 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 34.1 MB. Free memory was 19.4 MB in the beginning and 19.4 MB in the end (delta: 35.5 kB). Peak memory consumption was 35.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 588.43 ms. Allocated memory was 36.7 MB in the beginning and 45.1 MB in the end (delta: 8.4 MB). Free memory was 12.4 MB in the beginning and 15.9 MB in the end (delta: -3.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 111.46 ms. Allocated memory was 45.1 MB in the beginning and 44.6 MB in the end (delta: -524.3 kB). Free memory was 15.9 MB in the beginning and 24.7 MB in the end (delta: -8.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 65.76 ms. Allocated memory is still 44.6 MB. Free memory was 24.7 MB in the beginning and 21.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1100.17 ms. Allocated memory was 44.6 MB in the beginning and 51.4 MB in the end (delta: 6.8 MB). Free memory was 21.7 MB in the beginning and 16.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 16628.12 ms. Allocated memory was 51.4 MB in the beginning and 191.4 MB in the end (delta: 140.0 MB). Free memory was 15.6 MB in the beginning and 45.5 MB in the end (delta: -29.9 MB). Peak memory consumption was 146.2 MB. Max. memory is 14.3 GB. * Witness Printer took 207.83 ms. Allocated memory is still 191.4 MB. Free memory was 45.5 MB in the beginning and 30.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 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: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (((((((!(tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (((((((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((tmp == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (((tmp == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp___0 == 0 && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((!(tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((2 <= tmp && !(tmp == 0)) && tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && tmp == 0) && 1 == systemActive) && \result == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.5s, OverallIterations: 17, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1966 SDtfs, 2925 SDslu, 3330 SDs, 0 SdLazy, 471 SolverSat, 85 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=532occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 17 MinimizatonAttempts, 2663 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 196 NumberOfFragments, 578 HoareAnnotationTreeSize, 54 FomulaSimplifications, 25684348 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 54 FomulaSimplificationsInter, 1462466 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 822 NumberOfCodeBlocks, 822 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 803 ConstructedInterpolants, 0 QuantifiedInterpolants, 65490 SizeOfPredicates, 8 NumberOfNonLiveVariables, 931 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 19 InterpolantComputations, 16 PerfectInterpolantSequences, 215/231 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...