./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product64.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_product64.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 160c8d64ba84e9e53149049b180f0e762ed5d721 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:44:30,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:44:30,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:44:30,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:44:30,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:44:30,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:44:30,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:44:30,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:44:30,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:44:30,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:44:30,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:44:30,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:44:30,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:44:30,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:44:30,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:44:30,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:44:30,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:44:30,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:44:30,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:44:30,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:44:30,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:44:30,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:44:30,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:44:30,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:44:30,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:44:30,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:44:30,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:44:30,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:44:30,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:44:30,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:44:30,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:44:30,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:44:30,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:44:30,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:44:30,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:44:30,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:44:30,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:44:30,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:44:30,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:44:30,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:44:30,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:44:30,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:44:30,939 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:44:30,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:44:30,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:44:30,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:44:30,941 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:44:30,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:44:30,942 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:44:30,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:44:30,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:44:30,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:44:30,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:44:30,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:44:30,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:44:30,943 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:44:30,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:44:30,944 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:44:30,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:44:30,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:44:30,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:44:30,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:44:30,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:44:30,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:30,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:44:30,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:44:30,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:44:30,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:44:30,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:44:30,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:44:30,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:44:30,947 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 -> 160c8d64ba84e9e53149049b180f0e762ed5d721 [2020-10-20 01:44:31,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:44:31,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:44:31,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:44:31,168 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:44:31,168 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:44:31,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2020-10-20 01:44:31,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6472982d/15bdcf13e5c64c7898989e7f2eaed404/FLAGaaf03c4b4 [2020-10-20 01:44:31,753 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:44:31,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2020-10-20 01:44:31,764 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6472982d/15bdcf13e5c64c7898989e7f2eaed404/FLAGaaf03c4b4 [2020-10-20 01:44:32,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6472982d/15bdcf13e5c64c7898989e7f2eaed404 [2020-10-20 01:44:32,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:44:32,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:44:32,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:32,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:44:32,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:44:32,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:32" (1/1) ... [2020-10-20 01:44:32,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cadd083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:32, skipping insertion in model container [2020-10-20 01:44:32,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:32" (1/1) ... [2020-10-20 01:44:32,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:44:32,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:44:32,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:32,557 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:44:32,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:32,707 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:44:32,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:32 WrapperNode [2020-10-20 01:44:32,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:32,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:32,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:44:32,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:44:32,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:32" (1/1) ... [2020-10-20 01:44:32,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:32" (1/1) ... [2020-10-20 01:44:32,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:32,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:44:32,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:44:32,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:44:32,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:32" (1/1) ... [2020-10-20 01:44:32,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:32" (1/1) ... [2020-10-20 01:44:32,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:32" (1/1) ... [2020-10-20 01:44:32,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:32" (1/1) ... [2020-10-20 01:44:32,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:32" (1/1) ... [2020-10-20 01:44:32,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:32" (1/1) ... [2020-10-20 01:44:32,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:32" (1/1) ... [2020-10-20 01:44:32,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:44:32,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:44:32,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:44:32,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:44:32,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:32" (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 01:44:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:44:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:44:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:44:32,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:44:34,146 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:44:34,146 INFO L298 CfgBuilder]: Removed 360 assume(true) statements. [2020-10-20 01:44:34,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:34 BoogieIcfgContainer [2020-10-20 01:44:34,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:44:34,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:44:34,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:44:34,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:44:34,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:44:32" (1/3) ... [2020-10-20 01:44:34,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7d1ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:34, skipping insertion in model container [2020-10-20 01:44:34,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:32" (2/3) ... [2020-10-20 01:44:34,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7d1ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:34, skipping insertion in model container [2020-10-20 01:44:34,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:34" (3/3) ... [2020-10-20 01:44:34,158 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product64.cil.c [2020-10-20 01:44:34,170 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:44:34,178 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:44:34,193 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:44:34,220 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:44:34,221 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:44:34,221 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:44:34,221 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:44:34,221 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:44:34,222 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:44:34,222 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:44:34,222 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:44:34,243 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states. [2020-10-20 01:44:34,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:44:34,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:34,252 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:34,253 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:34,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:34,259 INFO L82 PathProgramCache]: Analyzing trace with hash -102876546, now seen corresponding path program 1 times [2020-10-20 01:44:34,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:34,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642532764] [2020-10-20 01:44:34,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:34,581 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 01:44:34,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642532764] [2020-10-20 01:44:34,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:34,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:34,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461644758] [2020-10-20 01:44:34,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:44:34,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:34,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:44:34,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:34,621 INFO L87 Difference]: Start difference. First operand 230 states. Second operand 2 states. [2020-10-20 01:44:34,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:34,670 INFO L93 Difference]: Finished difference Result 451 states and 674 transitions. [2020-10-20 01:44:34,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:44:34,672 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:44:34,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:34,692 INFO L225 Difference]: With dead ends: 451 [2020-10-20 01:44:34,693 INFO L226 Difference]: Without dead ends: 223 [2020-10-20 01:44:34,697 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 01:44:34,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-10-20 01:44:34,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-10-20 01:44:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-20 01:44:34,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2020-10-20 01:44:34,750 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2020-10-20 01:44:34,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:34,750 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2020-10-20 01:44:34,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:44:34,751 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2020-10-20 01:44:34,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:44:34,752 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:34,752 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 01:44:34,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:44:34,753 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:34,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:34,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1149633443, now seen corresponding path program 1 times [2020-10-20 01:44:34,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:34,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400441084] [2020-10-20 01:44:34,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:34,871 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 01:44:34,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400441084] [2020-10-20 01:44:34,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:34,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:34,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212824528] [2020-10-20 01:44:34,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:34,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:34,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:34,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:34,875 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand 3 states. [2020-10-20 01:44:34,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:34,897 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2020-10-20 01:44:34,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:34,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:44:34,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:34,899 INFO L225 Difference]: With dead ends: 223 [2020-10-20 01:44:34,899 INFO L226 Difference]: Without dead ends: 85 [2020-10-20 01:44:34,901 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 01:44:34,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-20 01:44:34,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-10-20 01:44:34,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-20 01:44:34,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2020-10-20 01:44:34,911 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 17 [2020-10-20 01:44:34,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:34,911 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2020-10-20 01:44:34,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2020-10-20 01:44:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:44:34,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:34,913 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 01:44:34,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:44:34,914 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:34,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:34,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1020108702, now seen corresponding path program 1 times [2020-10-20 01:44:34,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:34,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819707383] [2020-10-20 01:44:34,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:35,052 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 01:44:35,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819707383] [2020-10-20 01:44:35,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:35,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:35,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828177163] [2020-10-20 01:44:35,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:35,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:35,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:35,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:35,054 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand 3 states. [2020-10-20 01:44:35,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:35,095 INFO L93 Difference]: Finished difference Result 243 states and 360 transitions. [2020-10-20 01:44:35,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:35,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 01:44:35,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:35,097 INFO L225 Difference]: With dead ends: 243 [2020-10-20 01:44:35,097 INFO L226 Difference]: Without dead ends: 164 [2020-10-20 01:44:35,098 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 01:44:35,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-20 01:44:35,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2020-10-20 01:44:35,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-10-20 01:44:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 237 transitions. [2020-10-20 01:44:35,124 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 237 transitions. Word has length 22 [2020-10-20 01:44:35,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:35,125 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 237 transitions. [2020-10-20 01:44:35,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 237 transitions. [2020-10-20 01:44:35,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:44:35,126 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:35,127 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] [2020-10-20 01:44:35,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:44:35,128 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:35,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:35,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1236801791, now seen corresponding path program 1 times [2020-10-20 01:44:35,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:35,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010555984] [2020-10-20 01:44:35,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:35,231 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 01:44:35,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010555984] [2020-10-20 01:44:35,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:35,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:35,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812134459] [2020-10-20 01:44:35,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:35,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:35,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:35,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:35,234 INFO L87 Difference]: Start difference. First operand 160 states and 237 transitions. Second operand 3 states. [2020-10-20 01:44:35,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:35,302 INFO L93 Difference]: Finished difference Result 325 states and 486 transitions. [2020-10-20 01:44:35,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:35,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-20 01:44:35,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:35,304 INFO L225 Difference]: With dead ends: 325 [2020-10-20 01:44:35,304 INFO L226 Difference]: Without dead ends: 171 [2020-10-20 01:44:35,309 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 01:44:35,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-20 01:44:35,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-10-20 01:44:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-20 01:44:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 243 transitions. [2020-10-20 01:44:35,330 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 243 transitions. Word has length 25 [2020-10-20 01:44:35,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:35,330 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 243 transitions. [2020-10-20 01:44:35,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:35,330 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 243 transitions. [2020-10-20 01:44:35,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:44:35,331 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:35,331 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] [2020-10-20 01:44:35,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:35,332 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:35,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:35,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1574884233, now seen corresponding path program 1 times [2020-10-20 01:44:35,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:35,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149431026] [2020-10-20 01:44:35,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:35,396 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 01:44:35,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149431026] [2020-10-20 01:44:35,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:35,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:35,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271365006] [2020-10-20 01:44:35,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:35,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:35,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:35,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:35,399 INFO L87 Difference]: Start difference. First operand 169 states and 243 transitions. Second operand 5 states. [2020-10-20 01:44:35,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:35,516 INFO L93 Difference]: Finished difference Result 593 states and 857 transitions. [2020-10-20 01:44:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:35,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-20 01:44:35,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:35,519 INFO L225 Difference]: With dead ends: 593 [2020-10-20 01:44:35,519 INFO L226 Difference]: Without dead ends: 430 [2020-10-20 01:44:35,521 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 01:44:35,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-10-20 01:44:35,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 260. [2020-10-20 01:44:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-10-20 01:44:35,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 364 transitions. [2020-10-20 01:44:35,544 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 364 transitions. Word has length 25 [2020-10-20 01:44:35,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:35,544 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 364 transitions. [2020-10-20 01:44:35,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:35,545 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 364 transitions. [2020-10-20 01:44:35,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:44:35,546 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:35,546 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:35,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:35,547 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:35,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:35,547 INFO L82 PathProgramCache]: Analyzing trace with hash 760774073, now seen corresponding path program 1 times [2020-10-20 01:44:35,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:35,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528554403] [2020-10-20 01:44:35,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:35,613 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 01:44:35,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528554403] [2020-10-20 01:44:35,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:35,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:35,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723952750] [2020-10-20 01:44:35,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:35,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:35,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:35,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:35,615 INFO L87 Difference]: Start difference. First operand 260 states and 364 transitions. Second operand 5 states. [2020-10-20 01:44:35,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:35,783 INFO L93 Difference]: Finished difference Result 592 states and 842 transitions. [2020-10-20 01:44:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:35,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-20 01:44:35,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:35,787 INFO L225 Difference]: With dead ends: 592 [2020-10-20 01:44:35,787 INFO L226 Difference]: Without dead ends: 590 [2020-10-20 01:44:35,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:44:35,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-10-20 01:44:35,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 260. [2020-10-20 01:44:35,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-10-20 01:44:35,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 362 transitions. [2020-10-20 01:44:35,965 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 362 transitions. Word has length 26 [2020-10-20 01:44:35,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:35,967 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 362 transitions. [2020-10-20 01:44:35,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 362 transitions. [2020-10-20 01:44:35,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:44:35,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:35,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:35,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:44:35,973 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:35,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:35,974 INFO L82 PathProgramCache]: Analyzing trace with hash -96374273, now seen corresponding path program 1 times [2020-10-20 01:44:35,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:35,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665293304] [2020-10-20 01:44:35,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:36,054 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 01:44:36,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665293304] [2020-10-20 01:44:36,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:36,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:36,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080598725] [2020-10-20 01:44:36,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:36,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:36,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:36,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:36,056 INFO L87 Difference]: Start difference. First operand 260 states and 362 transitions. Second operand 4 states. [2020-10-20 01:44:36,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:36,171 INFO L93 Difference]: Finished difference Result 556 states and 785 transitions. [2020-10-20 01:44:36,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:36,172 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-10-20 01:44:36,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:36,174 INFO L225 Difference]: With dead ends: 556 [2020-10-20 01:44:36,175 INFO L226 Difference]: Without dead ends: 393 [2020-10-20 01:44:36,175 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 01:44:36,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2020-10-20 01:44:36,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389. [2020-10-20 01:44:36,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-10-20 01:44:36,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 539 transitions. [2020-10-20 01:44:36,214 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 539 transitions. Word has length 35 [2020-10-20 01:44:36,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:36,215 INFO L481 AbstractCegarLoop]: Abstraction has 389 states and 539 transitions. [2020-10-20 01:44:36,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 539 transitions. [2020-10-20 01:44:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:44:36,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:36,217 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:36,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:44:36,218 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:36,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:36,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1376237951, now seen corresponding path program 1 times [2020-10-20 01:44:36,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:36,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956852865] [2020-10-20 01:44:36,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:36,266 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 01:44:36,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956852865] [2020-10-20 01:44:36,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:36,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:36,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898670530] [2020-10-20 01:44:36,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:36,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:36,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:36,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:36,269 INFO L87 Difference]: Start difference. First operand 389 states and 539 transitions. Second operand 4 states. [2020-10-20 01:44:36,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:36,389 INFO L93 Difference]: Finished difference Result 1122 states and 1572 transitions. [2020-10-20 01:44:36,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:36,390 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-10-20 01:44:36,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:36,396 INFO L225 Difference]: With dead ends: 1122 [2020-10-20 01:44:36,397 INFO L226 Difference]: Without dead ends: 828 [2020-10-20 01:44:36,398 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 01:44:36,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-10-20 01:44:36,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 389. [2020-10-20 01:44:36,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-10-20 01:44:36,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 533 transitions. [2020-10-20 01:44:36,435 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 533 transitions. Word has length 35 [2020-10-20 01:44:36,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:36,436 INFO L481 AbstractCegarLoop]: Abstraction has 389 states and 533 transitions. [2020-10-20 01:44:36,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:36,436 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 533 transitions. [2020-10-20 01:44:36,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:44:36,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:36,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:36,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:44:36,438 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:36,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:36,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1963043965, now seen corresponding path program 1 times [2020-10-20 01:44:36,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:36,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383204631] [2020-10-20 01:44:36,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:36,498 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 01:44:36,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383204631] [2020-10-20 01:44:36,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:36,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:36,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956358756] [2020-10-20 01:44:36,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:36,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:36,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:36,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:36,501 INFO L87 Difference]: Start difference. First operand 389 states and 533 transitions. Second operand 5 states. [2020-10-20 01:44:36,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:36,724 INFO L93 Difference]: Finished difference Result 1228 states and 1696 transitions. [2020-10-20 01:44:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:44:36,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-10-20 01:44:36,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:36,730 INFO L225 Difference]: With dead ends: 1228 [2020-10-20 01:44:36,730 INFO L226 Difference]: Without dead ends: 934 [2020-10-20 01:44:36,731 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 01:44:36,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2020-10-20 01:44:36,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 420. [2020-10-20 01:44:36,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-20 01:44:36,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 579 transitions. [2020-10-20 01:44:36,770 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 579 transitions. Word has length 35 [2020-10-20 01:44:36,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:36,770 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 579 transitions. [2020-10-20 01:44:36,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:36,771 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 579 transitions. [2020-10-20 01:44:36,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-20 01:44:36,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:36,773 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] [2020-10-20 01:44:36,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:44:36,773 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:36,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:36,774 INFO L82 PathProgramCache]: Analyzing trace with hash -398374051, now seen corresponding path program 1 times [2020-10-20 01:44:36,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:36,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908715421] [2020-10-20 01:44:36,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:36,847 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 01:44:36,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908715421] [2020-10-20 01:44:36,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:36,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:36,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345394612] [2020-10-20 01:44:36,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:36,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:36,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:36,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:36,850 INFO L87 Difference]: Start difference. First operand 420 states and 579 transitions. Second operand 3 states. [2020-10-20 01:44:36,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:36,976 INFO L93 Difference]: Finished difference Result 703 states and 966 transitions. [2020-10-20 01:44:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:36,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-10-20 01:44:36,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:36,979 INFO L225 Difference]: With dead ends: 703 [2020-10-20 01:44:36,979 INFO L226 Difference]: Without dead ends: 289 [2020-10-20 01:44:36,980 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 01:44:36,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-10-20 01:44:36,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 281. [2020-10-20 01:44:36,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-20 01:44:37,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 381 transitions. [2020-10-20 01:44:37,000 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 381 transitions. Word has length 52 [2020-10-20 01:44:37,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:37,001 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 381 transitions. [2020-10-20 01:44:37,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:37,001 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 381 transitions. [2020-10-20 01:44:37,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-20 01:44:37,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:37,002 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, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:37,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:44:37,003 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:37,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:37,003 INFO L82 PathProgramCache]: Analyzing trace with hash -353518329, now seen corresponding path program 1 times [2020-10-20 01:44:37,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:37,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443528658] [2020-10-20 01:44:37,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:37,061 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 01:44:37,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443528658] [2020-10-20 01:44:37,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:37,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:37,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964210637] [2020-10-20 01:44:37,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:37,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:37,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:37,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:37,064 INFO L87 Difference]: Start difference. First operand 281 states and 381 transitions. Second operand 5 states. [2020-10-20 01:44:37,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:37,184 INFO L93 Difference]: Finished difference Result 837 states and 1128 transitions. [2020-10-20 01:44:37,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:37,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-10-20 01:44:37,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:37,188 INFO L225 Difference]: With dead ends: 837 [2020-10-20 01:44:37,188 INFO L226 Difference]: Without dead ends: 562 [2020-10-20 01:44:37,189 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 01:44:37,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2020-10-20 01:44:37,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 293. [2020-10-20 01:44:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-10-20 01:44:37,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 393 transitions. [2020-10-20 01:44:37,219 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 393 transitions. Word has length 59 [2020-10-20 01:44:37,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:37,219 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 393 transitions. [2020-10-20 01:44:37,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:37,219 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 393 transitions. [2020-10-20 01:44:37,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-20 01:44:37,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:37,221 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, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:37,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:44:37,221 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:37,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:37,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1382877627, now seen corresponding path program 1 times [2020-10-20 01:44:37,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:37,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400298621] [2020-10-20 01:44:37,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:37,275 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 01:44:37,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400298621] [2020-10-20 01:44:37,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:37,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:37,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143697881] [2020-10-20 01:44:37,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:37,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:37,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:37,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:37,277 INFO L87 Difference]: Start difference. First operand 293 states and 393 transitions. Second operand 5 states. [2020-10-20 01:44:37,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:37,390 INFO L93 Difference]: Finished difference Result 678 states and 901 transitions. [2020-10-20 01:44:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:37,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-10-20 01:44:37,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:37,393 INFO L225 Difference]: With dead ends: 678 [2020-10-20 01:44:37,393 INFO L226 Difference]: Without dead ends: 391 [2020-10-20 01:44:37,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:37,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-10-20 01:44:37,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 246. [2020-10-20 01:44:37,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-10-20 01:44:37,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 322 transitions. [2020-10-20 01:44:37,417 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 322 transitions. Word has length 59 [2020-10-20 01:44:37,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:37,418 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 322 transitions. [2020-10-20 01:44:37,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:37,418 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 322 transitions. [2020-10-20 01:44:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-20 01:44:37,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:37,420 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, 1, 1, 1, 1, 1] [2020-10-20 01:44:37,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:44:37,420 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:37,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:37,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1909676229, now seen corresponding path program 1 times [2020-10-20 01:44:37,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:37,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406432400] [2020-10-20 01:44:37,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:37,511 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 01:44:37,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406432400] [2020-10-20 01:44:37,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588718122] [2020-10-20 01:44:37,513 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 01:44:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:37,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 01:44:37,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:37,723 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 01:44:37,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:44:37,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-20 01:44:37,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483282462] [2020-10-20 01:44:37,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:44:37,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:37,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:44:37,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:37,726 INFO L87 Difference]: Start difference. First operand 246 states and 322 transitions. Second operand 8 states. [2020-10-20 01:44:38,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:38,098 INFO L93 Difference]: Finished difference Result 898 states and 1194 transitions. [2020-10-20 01:44:38,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-20 01:44:38,099 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-10-20 01:44:38,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:38,103 INFO L225 Difference]: With dead ends: 898 [2020-10-20 01:44:38,103 INFO L226 Difference]: Without dead ends: 707 [2020-10-20 01:44:38,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-20 01:44:38,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-10-20 01:44:38,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 306. [2020-10-20 01:44:38,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-10-20 01:44:38,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 401 transitions. [2020-10-20 01:44:38,144 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 401 transitions. Word has length 60 [2020-10-20 01:44:38,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:38,145 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 401 transitions. [2020-10-20 01:44:38,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:44:38,145 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 401 transitions. [2020-10-20 01:44:38,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-20 01:44:38,146 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:38,146 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, 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] [2020-10-20 01:44:38,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-20 01:44:38,360 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:38,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:38,361 INFO L82 PathProgramCache]: Analyzing trace with hash 759521731, now seen corresponding path program 2 times [2020-10-20 01:44:38,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:38,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159123114] [2020-10-20 01:44:38,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:38,522 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:38,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159123114] [2020-10-20 01:44:38,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:38,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:38,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869665306] [2020-10-20 01:44:38,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:38,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:38,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:38,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:38,526 INFO L87 Difference]: Start difference. First operand 306 states and 401 transitions. Second operand 5 states. [2020-10-20 01:44:39,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:39,128 INFO L93 Difference]: Finished difference Result 922 states and 1223 transitions. [2020-10-20 01:44:39,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:39,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-10-20 01:44:39,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:39,134 INFO L225 Difference]: With dead ends: 922 [2020-10-20 01:44:39,135 INFO L226 Difference]: Without dead ends: 664 [2020-10-20 01:44:39,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:39,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2020-10-20 01:44:39,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 422. [2020-10-20 01:44:39,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-10-20 01:44:39,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 552 transitions. [2020-10-20 01:44:39,208 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 552 transitions. Word has length 85 [2020-10-20 01:44:39,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:39,208 INFO L481 AbstractCegarLoop]: Abstraction has 422 states and 552 transitions. [2020-10-20 01:44:39,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 552 transitions. [2020-10-20 01:44:39,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-20 01:44:39,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:39,211 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:39,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-20 01:44:39,212 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:39,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:39,212 INFO L82 PathProgramCache]: Analyzing trace with hash 365154945, now seen corresponding path program 1 times [2020-10-20 01:44:39,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:39,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904121993] [2020-10-20 01:44:39,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:39,335 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-20 01:44:39,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904121993] [2020-10-20 01:44:39,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889460726] [2020-10-20 01:44:39,337 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 01:44:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:39,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:44:39,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:39,628 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-20 01:44:39,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:44:39,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-10-20 01:44:39,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353351906] [2020-10-20 01:44:39,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:39,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:39,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:39,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:44:39,631 INFO L87 Difference]: Start difference. First operand 422 states and 552 transitions. Second operand 5 states. [2020-10-20 01:44:39,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:39,757 INFO L93 Difference]: Finished difference Result 811 states and 1058 transitions. [2020-10-20 01:44:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:39,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-10-20 01:44:39,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:39,759 INFO L225 Difference]: With dead ends: 811 [2020-10-20 01:44:39,759 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:39,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 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 01:44:39,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:39,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:39,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:39,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:39,763 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-10-20 01:44:39,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:39,763 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:39,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:39,764 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:39,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:39,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-20 01:44:39,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:40,395 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 101 [2020-10-20 01:44:40,886 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 172 [2020-10-20 01:44:41,084 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 106 [2020-10-20 01:44:41,695 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 170 [2020-10-20 01:44:42,109 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 172 [2020-10-20 01:44:42,327 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 128 [2020-10-20 01:44:42,713 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 153 [2020-10-20 01:44:43,265 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 162 [2020-10-20 01:44:43,885 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 9 [2020-10-20 01:44:44,941 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 170 DAG size of output: 26 [2020-10-20 01:44:45,473 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 26 [2020-10-20 01:44:46,427 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 28 [2020-10-20 01:44:47,423 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 26 [2020-10-20 01:44:48,092 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 30 [2020-10-20 01:44:48,699 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-10-20 01:44:48,901 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 26 [2020-10-20 01:44:49,087 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 19 [2020-10-20 01:44:49,349 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 26 [2020-10-20 01:44:49,479 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 19 [2020-10-20 01:44:50,330 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 21 [2020-10-20 01:44:50,428 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:50,428 INFO L274 CegarLoopResult]: For program point L300(lines 300 317) no Hoare annotation was computed. [2020-10-20 01:44:50,428 INFO L274 CegarLoopResult]: For program point L300-1(lines 300 317) no Hoare annotation was computed. [2020-10-20 01:44:50,428 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 317) no Hoare annotation was computed. [2020-10-20 01:44:50,428 INFO L274 CegarLoopResult]: For program point L300-3(lines 300 317) no Hoare annotation was computed. [2020-10-20 01:44:50,429 INFO L274 CegarLoopResult]: For program point L300-4(lines 300 317) no Hoare annotation was computed. [2020-10-20 01:44:50,429 INFO L274 CegarLoopResult]: For program point L300-5(lines 300 317) no Hoare annotation was computed. [2020-10-20 01:44:50,429 INFO L274 CegarLoopResult]: For program point L300-6(lines 300 317) no Hoare annotation was computed. [2020-10-20 01:44:50,429 INFO L274 CegarLoopResult]: For program point L300-7(lines 300 317) no Hoare annotation was computed. [2020-10-20 01:44:50,429 INFO L274 CegarLoopResult]: For program point L300-8(lines 300 317) no Hoare annotation was computed. [2020-10-20 01:44:50,429 INFO L274 CegarLoopResult]: For program point L300-9(lines 300 317) no Hoare annotation was computed. [2020-10-20 01:44:50,429 INFO L274 CegarLoopResult]: For program point L300-10(lines 300 317) no Hoare annotation was computed. [2020-10-20 01:44:50,429 INFO L274 CegarLoopResult]: For program point L300-11(lines 300 317) no Hoare annotation was computed. [2020-10-20 01:44:50,430 INFO L274 CegarLoopResult]: For program point L169(lines 169 175) no Hoare annotation was computed. [2020-10-20 01:44:50,430 INFO L274 CegarLoopResult]: For program point L169-2(lines 169 175) no Hoare annotation was computed. [2020-10-20 01:44:50,430 INFO L274 CegarLoopResult]: For program point L169-4(lines 169 175) no Hoare annotation was computed. [2020-10-20 01:44:50,430 INFO L274 CegarLoopResult]: For program point L896(lines 896 900) no Hoare annotation was computed. [2020-10-20 01:44:50,430 INFO L274 CegarLoopResult]: For program point L896-3(lines 896 900) no Hoare annotation was computed. [2020-10-20 01:44:50,430 INFO L274 CegarLoopResult]: For program point L896-6(lines 896 900) no Hoare annotation was computed. [2020-10-20 01:44:50,430 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:50,431 INFO L274 CegarLoopResult]: For program point L304(lines 304 312) no Hoare annotation was computed. [2020-10-20 01:44:50,431 INFO L274 CegarLoopResult]: For program point L304-1(lines 304 312) no Hoare annotation was computed. [2020-10-20 01:44:50,431 INFO L274 CegarLoopResult]: For program point L304-2(lines 304 312) no Hoare annotation was computed. [2020-10-20 01:44:50,431 INFO L274 CegarLoopResult]: For program point L304-3(lines 304 312) no Hoare annotation was computed. [2020-10-20 01:44:50,431 INFO L274 CegarLoopResult]: For program point L304-4(lines 304 312) no Hoare annotation was computed. [2020-10-20 01:44:50,431 INFO L274 CegarLoopResult]: For program point L304-5(lines 304 312) no Hoare annotation was computed. [2020-10-20 01:44:50,431 INFO L274 CegarLoopResult]: For program point L304-6(lines 304 312) no Hoare annotation was computed. [2020-10-20 01:44:50,431 INFO L274 CegarLoopResult]: For program point L304-7(lines 304 312) no Hoare annotation was computed. [2020-10-20 01:44:50,431 INFO L274 CegarLoopResult]: For program point L304-8(lines 304 312) no Hoare annotation was computed. [2020-10-20 01:44:50,432 INFO L274 CegarLoopResult]: For program point L304-9(lines 304 312) no Hoare annotation was computed. [2020-10-20 01:44:50,432 INFO L274 CegarLoopResult]: For program point L304-10(lines 304 312) no Hoare annotation was computed. [2020-10-20 01:44:50,432 INFO L270 CegarLoopResult]: At program point L965(lines 960 968) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 .cse4) (and (= 0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:44:50,432 INFO L274 CegarLoopResult]: For program point L304-11(lines 304 312) no Hoare annotation was computed. [2020-10-20 01:44:50,432 INFO L270 CegarLoopResult]: At program point L965-1(lines 960 968) the Hoare annotation is: false [2020-10-20 01:44:50,432 INFO L270 CegarLoopResult]: At program point L965-2(lines 960 968) the Hoare annotation is: false [2020-10-20 01:44:50,432 INFO L274 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-10-20 01:44:50,432 INFO L270 CegarLoopResult]: At program point L504-1(lines 504 510) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:50,433 INFO L270 CegarLoopResult]: At program point L245(lines 194 246) the Hoare annotation is: false [2020-10-20 01:44:50,433 INFO L274 CegarLoopResult]: For program point L973(lines 973 979) no Hoare annotation was computed. [2020-10-20 01:44:50,433 INFO L274 CegarLoopResult]: For program point L973-1(lines 973 979) no Hoare annotation was computed. [2020-10-20 01:44:50,433 INFO L274 CegarLoopResult]: For program point L973-2(lines 973 979) no Hoare annotation was computed. [2020-10-20 01:44:50,433 INFO L274 CegarLoopResult]: For program point L973-3(lines 973 979) no Hoare annotation was computed. [2020-10-20 01:44:50,433 INFO L274 CegarLoopResult]: For program point L973-4(lines 973 979) no Hoare annotation was computed. [2020-10-20 01:44:50,433 INFO L274 CegarLoopResult]: For program point L973-5(lines 973 979) no Hoare annotation was computed. [2020-10-20 01:44:50,433 INFO L274 CegarLoopResult]: For program point L973-6(lines 973 979) no Hoare annotation was computed. [2020-10-20 01:44:50,433 INFO L274 CegarLoopResult]: For program point L973-7(lines 973 979) no Hoare annotation was computed. [2020-10-20 01:44:50,434 INFO L274 CegarLoopResult]: For program point L973-8(lines 973 979) no Hoare annotation was computed. [2020-10-20 01:44:50,434 INFO L274 CegarLoopResult]: For program point L973-9(lines 973 979) no Hoare annotation was computed. [2020-10-20 01:44:50,434 INFO L274 CegarLoopResult]: For program point L973-10(lines 973 979) no Hoare annotation was computed. [2020-10-20 01:44:50,434 INFO L274 CegarLoopResult]: For program point L973-11(lines 973 979) no Hoare annotation was computed. [2020-10-20 01:44:50,434 INFO L274 CegarLoopResult]: For program point L908(lines 908 912) no Hoare annotation was computed. [2020-10-20 01:44:50,434 INFO L270 CegarLoopResult]: At program point L978(lines 969 982) the Hoare annotation is: false [2020-10-20 01:44:50,434 INFO L270 CegarLoopResult]: At program point L978-1(lines 969 982) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-20 01:44:50,434 INFO L270 CegarLoopResult]: At program point L978-2(lines 969 982) the Hoare annotation is: false [2020-10-20 01:44:50,435 INFO L270 CegarLoopResult]: At program point L978-3(lines 969 982) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-20 01:44:50,435 INFO L270 CegarLoopResult]: At program point L978-4(lines 969 982) the Hoare annotation is: false [2020-10-20 01:44:50,435 INFO L270 CegarLoopResult]: At program point L978-5(lines 969 982) the Hoare annotation is: false [2020-10-20 01:44:50,435 INFO L270 CegarLoopResult]: At program point L978-6(lines 969 982) the Hoare annotation is: false [2020-10-20 01:44:50,435 INFO L270 CegarLoopResult]: At program point L978-7(lines 969 982) the Hoare annotation is: false [2020-10-20 01:44:50,435 INFO L270 CegarLoopResult]: At program point L978-8(lines 969 982) the Hoare annotation is: false [2020-10-20 01:44:50,435 INFO L270 CegarLoopResult]: At program point L978-9(lines 969 982) the Hoare annotation is: false [2020-10-20 01:44:50,435 INFO L270 CegarLoopResult]: At program point L978-10(lines 969 982) the Hoare annotation is: false [2020-10-20 01:44:50,436 INFO L270 CegarLoopResult]: At program point L978-11(lines 969 982) the Hoare annotation is: false [2020-10-20 01:44:50,436 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-10-20 01:44:50,436 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-20 01:44:50,436 INFO L274 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-10-20 01:44:50,436 INFO L274 CegarLoopResult]: For program point L388-2(lines 388 394) no Hoare annotation was computed. [2020-10-20 01:44:50,436 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:50,436 INFO L274 CegarLoopResult]: For program point L388-4(lines 388 394) no Hoare annotation was computed. [2020-10-20 01:44:50,436 INFO L274 CegarLoopResult]: For program point L388-6(lines 388 394) no Hoare annotation was computed. [2020-10-20 01:44:50,437 INFO L274 CegarLoopResult]: For program point L388-8(lines 388 394) no Hoare annotation was computed. [2020-10-20 01:44:50,437 INFO L274 CegarLoopResult]: For program point L388-10(lines 388 394) no Hoare annotation was computed. [2020-10-20 01:44:50,437 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-20 01:44:50,437 INFO L274 CegarLoopResult]: For program point L58-1(lines 268 274) no Hoare annotation was computed. [2020-10-20 01:44:50,437 INFO L274 CegarLoopResult]: For program point L388-12(lines 388 394) no Hoare annotation was computed. [2020-10-20 01:44:50,437 INFO L274 CegarLoopResult]: For program point L388-14(lines 388 394) no Hoare annotation was computed. [2020-10-20 01:44:50,438 INFO L274 CegarLoopResult]: For program point L388-16(lines 388 394) no Hoare annotation was computed. [2020-10-20 01:44:50,438 INFO L274 CegarLoopResult]: For program point L388-18(lines 388 394) no Hoare annotation was computed. [2020-10-20 01:44:50,438 INFO L274 CegarLoopResult]: For program point L388-20(lines 388 394) no Hoare annotation was computed. [2020-10-20 01:44:50,438 INFO L274 CegarLoopResult]: For program point L388-22(lines 388 394) no Hoare annotation was computed. [2020-10-20 01:44:50,438 INFO L274 CegarLoopResult]: For program point L920(lines 920 924) no Hoare annotation was computed. [2020-10-20 01:44:50,439 INFO L274 CegarLoopResult]: For program point L326(lines 326 343) no Hoare annotation was computed. [2020-10-20 01:44:50,439 INFO L274 CegarLoopResult]: For program point L326-1(lines 326 343) no Hoare annotation was computed. [2020-10-20 01:44:50,439 INFO L274 CegarLoopResult]: For program point L326-2(lines 326 343) no Hoare annotation was computed. [2020-10-20 01:44:50,439 INFO L274 CegarLoopResult]: For program point L326-3(lines 326 343) no Hoare annotation was computed. [2020-10-20 01:44:50,439 INFO L274 CegarLoopResult]: For program point L326-4(lines 326 343) no Hoare annotation was computed. [2020-10-20 01:44:50,439 INFO L274 CegarLoopResult]: For program point L326-5(lines 326 343) no Hoare annotation was computed. [2020-10-20 01:44:50,440 INFO L270 CegarLoopResult]: At program point L988(lines 983 991) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:50,440 INFO L270 CegarLoopResult]: At program point L988-1(lines 983 991) the Hoare annotation is: false [2020-10-20 01:44:50,440 INFO L270 CegarLoopResult]: At program point L988-2(lines 983 991) the Hoare annotation is: false [2020-10-20 01:44:50,440 INFO L270 CegarLoopResult]: At program point L988-3(lines 983 991) the Hoare annotation is: false [2020-10-20 01:44:50,440 INFO L270 CegarLoopResult]: At program point L988-4(lines 983 991) the Hoare annotation is: false [2020-10-20 01:44:50,441 INFO L270 CegarLoopResult]: At program point L988-5(lines 983 991) the Hoare annotation is: false [2020-10-20 01:44:50,441 INFO L274 CegarLoopResult]: For program point L196(lines 195 244) no Hoare annotation was computed. [2020-10-20 01:44:50,441 INFO L274 CegarLoopResult]: For program point L197(lines 197 201) no Hoare annotation was computed. [2020-10-20 01:44:50,441 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:50,441 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:50,442 INFO L274 CegarLoopResult]: For program point L330(lines 330 338) no Hoare annotation was computed. [2020-10-20 01:44:50,442 INFO L274 CegarLoopResult]: For program point L330-1(lines 330 338) no Hoare annotation was computed. [2020-10-20 01:44:50,442 INFO L274 CegarLoopResult]: For program point L330-2(lines 330 338) no Hoare annotation was computed. [2020-10-20 01:44:50,442 INFO L274 CegarLoopResult]: For program point L330-3(lines 330 338) no Hoare annotation was computed. [2020-10-20 01:44:50,442 INFO L274 CegarLoopResult]: For program point L330-4(lines 330 338) no Hoare annotation was computed. [2020-10-20 01:44:50,443 INFO L274 CegarLoopResult]: For program point L330-5(lines 330 338) no Hoare annotation was computed. [2020-10-20 01:44:50,443 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-20 01:44:50,443 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-10-20 01:44:50,443 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:50,443 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:50,444 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:50,444 INFO L270 CegarLoopResult]: At program point L268(lines 267 286) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-10-20 01:44:50,444 INFO L274 CegarLoopResult]: For program point L268-1(lines 268 274) no Hoare annotation was computed. [2020-10-20 01:44:50,444 INFO L270 CegarLoopResult]: At program point L268-2(lines 267 286) the Hoare annotation is: false [2020-10-20 01:44:50,444 INFO L270 CegarLoopResult]: At program point L268-3(lines 267 286) the Hoare annotation is: false [2020-10-20 01:44:50,445 INFO L274 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-10-20 01:44:50,445 INFO L270 CegarLoopResult]: At program point L205-1(lines 205 211) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 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~1) .cse2 .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse1 .cse3) (and (= ~waterLevel~0 1) .cse4 .cse2 .cse3))) [2020-10-20 01:44:50,445 INFO L270 CegarLoopResult]: At program point L933(lines 928 936) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:50,445 INFO L270 CegarLoopResult]: At program point L933-1(lines 928 936) the Hoare annotation is: false [2020-10-20 01:44:50,445 INFO L270 CegarLoopResult]: At program point L933-2(lines 928 936) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:50,446 INFO L270 CegarLoopResult]: At program point L933-3(lines 928 936) the Hoare annotation is: false [2020-10-20 01:44:50,446 INFO L270 CegarLoopResult]: At program point L933-4(lines 928 936) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:50,446 INFO L270 CegarLoopResult]: At program point L933-5(lines 928 936) the Hoare annotation is: false [2020-10-20 01:44:50,446 INFO L270 CegarLoopResult]: At program point L933-6(lines 928 936) the Hoare annotation is: false [2020-10-20 01:44:50,446 INFO L270 CegarLoopResult]: At program point L933-7(lines 928 936) the Hoare annotation is: false [2020-10-20 01:44:50,447 INFO L270 CegarLoopResult]: At program point L933-8(lines 928 936) the Hoare annotation is: false [2020-10-20 01:44:50,447 INFO L270 CegarLoopResult]: At program point L933-9(lines 928 936) the Hoare annotation is: false [2020-10-20 01:44:50,447 INFO L270 CegarLoopResult]: At program point L933-10(lines 928 936) the Hoare annotation is: false [2020-10-20 01:44:50,447 INFO L270 CegarLoopResult]: At program point L933-11(lines 928 936) the Hoare annotation is: false [2020-10-20 01:44:50,447 INFO L270 CegarLoopResult]: At program point L933-12(lines 928 936) the Hoare annotation is: false [2020-10-20 01:44:50,448 INFO L270 CegarLoopResult]: At program point L933-13(lines 928 936) the Hoare annotation is: false [2020-10-20 01:44:50,448 INFO L274 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,448 INFO L270 CegarLoopResult]: At program point L933-14(lines 928 936) the Hoare annotation is: false [2020-10-20 01:44:50,448 INFO L274 CegarLoopResult]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,448 INFO L274 CegarLoopResult]: For program point L471-3(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,449 INFO L274 CegarLoopResult]: For program point L471-5(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,449 INFO L274 CegarLoopResult]: For program point L471-6(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,449 INFO L274 CegarLoopResult]: For program point L471-8(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,449 INFO L274 CegarLoopResult]: For program point L471-9(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,449 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-10-20 01:44:50,449 INFO L274 CegarLoopResult]: For program point L471-11(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,450 INFO L274 CegarLoopResult]: For program point L471-12(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,450 INFO L274 CegarLoopResult]: For program point L471-14(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,450 INFO L274 CegarLoopResult]: For program point L471-15(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,450 INFO L274 CegarLoopResult]: For program point L471-17(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,450 INFO L274 CegarLoopResult]: For program point L471-18(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,450 INFO L274 CegarLoopResult]: For program point L471-20(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,451 INFO L274 CegarLoopResult]: For program point L471-21(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,451 INFO L274 CegarLoopResult]: For program point L471-23(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,451 INFO L274 CegarLoopResult]: For program point L471-24(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,451 INFO L274 CegarLoopResult]: For program point L471-26(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,451 INFO L274 CegarLoopResult]: For program point L471-27(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,451 INFO L274 CegarLoopResult]: For program point L471-29(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,452 INFO L274 CegarLoopResult]: For program point L471-30(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,452 INFO L274 CegarLoopResult]: For program point L471-32(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,452 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:50,452 INFO L274 CegarLoopResult]: For program point L471-33(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,452 INFO L274 CegarLoopResult]: For program point L471-35(lines 471 475) no Hoare annotation was computed. [2020-10-20 01:44:50,453 INFO L270 CegarLoopResult]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse4 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse3) (and .cse4 .cse2 (<= 1 ~waterLevel~0) .cse3) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse3))) [2020-10-20 01:44:50,453 INFO L270 CegarLoopResult]: At program point L275-1(lines 275 281) the Hoare annotation is: false [2020-10-20 01:44:50,453 INFO L270 CegarLoopResult]: At program point L275-2(lines 275 281) the Hoare annotation is: false [2020-10-20 01:44:50,453 INFO L270 CegarLoopResult]: At program point L477(lines 462 480) the Hoare annotation is: false [2020-10-20 01:44:50,454 INFO L270 CegarLoopResult]: At program point L477-1(lines 462 480) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not .cse0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse1 (not .cse2) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-10-20 01:44:50,454 INFO L270 CegarLoopResult]: At program point L477-2(lines 462 480) the Hoare annotation is: false [2020-10-20 01:44:50,454 INFO L270 CegarLoopResult]: At program point L477-3(lines 462 480) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (not .cse0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse1 (not .cse3) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse4 (<= 1 ~waterLevel~0)))) [2020-10-20 01:44:50,454 INFO L270 CegarLoopResult]: At program point L477-4(lines 462 480) the Hoare annotation is: false [2020-10-20 01:44:50,454 INFO L270 CegarLoopResult]: At program point L477-5(lines 462 480) the Hoare annotation is: false [2020-10-20 01:44:50,455 INFO L270 CegarLoopResult]: At program point L477-6(lines 462 480) the Hoare annotation is: false [2020-10-20 01:44:50,455 INFO L270 CegarLoopResult]: At program point L477-7(lines 462 480) the Hoare annotation is: false [2020-10-20 01:44:50,455 INFO L270 CegarLoopResult]: At program point L477-8(lines 462 480) the Hoare annotation is: false [2020-10-20 01:44:50,455 INFO L270 CegarLoopResult]: At program point L477-9(lines 462 480) the Hoare annotation is: false [2020-10-20 01:44:50,455 INFO L270 CegarLoopResult]: At program point L477-10(lines 462 480) the Hoare annotation is: false [2020-10-20 01:44:50,456 INFO L270 CegarLoopResult]: At program point L477-11(lines 462 480) the Hoare annotation is: false [2020-10-20 01:44:50,456 INFO L270 CegarLoopResult]: At program point L413(lines 406 416) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:50,456 INFO L270 CegarLoopResult]: At program point L413-1(lines 406 416) the Hoare annotation is: false [2020-10-20 01:44:50,456 INFO L270 CegarLoopResult]: At program point L413-2(lines 406 416) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:50,456 INFO L270 CegarLoopResult]: At program point L413-3(lines 406 416) the Hoare annotation is: false [2020-10-20 01:44:50,457 INFO L270 CegarLoopResult]: At program point L413-4(lines 406 416) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:50,457 INFO L270 CegarLoopResult]: At program point L413-5(lines 406 416) the Hoare annotation is: false [2020-10-20 01:44:50,457 INFO L274 CegarLoopResult]: For program point L215(lines 215 221) no Hoare annotation was computed. [2020-10-20 01:44:50,457 INFO L270 CegarLoopResult]: At program point L413-6(lines 406 416) the Hoare annotation is: false [2020-10-20 01:44:50,457 INFO L270 CegarLoopResult]: At program point L215-1(lines 215 221) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 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~1) .cse2 .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse1 .cse3) (and (= ~waterLevel~0 1) .cse4 .cse2 .cse3))) [2020-10-20 01:44:50,458 INFO L270 CegarLoopResult]: At program point L413-7(lines 406 416) the Hoare annotation is: false [2020-10-20 01:44:50,458 INFO L270 CegarLoopResult]: At program point L413-8(lines 406 416) the Hoare annotation is: false [2020-10-20 01:44:50,458 INFO L270 CegarLoopResult]: At program point L413-9(lines 406 416) the Hoare annotation is: false [2020-10-20 01:44:50,458 INFO L270 CegarLoopResult]: At program point L413-10(lines 406 416) the Hoare annotation is: false [2020-10-20 01:44:50,458 INFO L270 CegarLoopResult]: At program point L413-11(lines 406 416) the Hoare annotation is: false [2020-10-20 01:44:50,458 INFO L270 CegarLoopResult]: At program point L413-12(lines 406 416) the Hoare annotation is: false [2020-10-20 01:44:50,459 INFO L270 CegarLoopResult]: At program point L413-13(lines 406 416) the Hoare annotation is: false [2020-10-20 01:44:50,459 INFO L270 CegarLoopResult]: At program point L413-14(lines 406 416) the Hoare annotation is: false [2020-10-20 01:44:50,459 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-20 01:44:50,459 INFO L274 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed. [2020-10-20 01:44:50,459 INFO L274 CegarLoopResult]: For program point L150-2(line 150) no Hoare annotation was computed. [2020-10-20 01:44:50,459 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:50,460 INFO L274 CegarLoopResult]: For program point L352(lines 352 369) no Hoare annotation was computed. [2020-10-20 01:44:50,460 INFO L274 CegarLoopResult]: For program point L352-1(lines 352 369) no Hoare annotation was computed. [2020-10-20 01:44:50,460 INFO L274 CegarLoopResult]: For program point L352-2(lines 352 369) no Hoare annotation was computed. [2020-10-20 01:44:50,460 INFO L270 CegarLoopResult]: At program point L1015(lines 1 1026) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:50,460 INFO L270 CegarLoopResult]: At program point L422(lines 417 425) the Hoare annotation is: false [2020-10-20 01:44:50,461 INFO L270 CegarLoopResult]: At program point L422-1(lines 417 425) the Hoare annotation is: false [2020-10-20 01:44:50,461 INFO L274 CegarLoopResult]: For program point L356(lines 356 364) no Hoare annotation was computed. [2020-10-20 01:44:50,461 INFO L270 CegarLoopResult]: At program point L422-2(lines 417 425) the Hoare annotation is: false [2020-10-20 01:44:50,461 INFO L274 CegarLoopResult]: For program point L356-1(lines 356 364) no Hoare annotation was computed. [2020-10-20 01:44:50,461 INFO L274 CegarLoopResult]: For program point L356-2(lines 356 364) no Hoare annotation was computed. [2020-10-20 01:44:50,461 INFO L274 CegarLoopResult]: For program point L225(lines 225 240) no Hoare annotation was computed. [2020-10-20 01:44:50,462 INFO L274 CegarLoopResult]: For program point L490(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:44:50,462 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:44:50,462 INFO L274 CegarLoopResult]: For program point L490-3(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:44:50,462 INFO L274 CegarLoopResult]: For program point L490-5(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:44:50,462 INFO L274 CegarLoopResult]: For program point L490-6(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:44:50,462 INFO L274 CegarLoopResult]: For program point L490-8(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:44:50,463 INFO L274 CegarLoopResult]: For program point L490-9(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:44:50,463 INFO L274 CegarLoopResult]: For program point L490-11(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:44:50,463 INFO L274 CegarLoopResult]: For program point L490-12(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:44:50,463 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:50,463 INFO L274 CegarLoopResult]: For program point L490-14(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:44:50,463 INFO L274 CegarLoopResult]: For program point L490-15(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:44:50,464 INFO L274 CegarLoopResult]: For program point L490-17(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:44:50,464 INFO L270 CegarLoopResult]: At program point L1023(lines 1018 1026) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:50,464 INFO L274 CegarLoopResult]: For program point L165(lines 165 178) no Hoare annotation was computed. [2020-10-20 01:44:50,464 INFO L270 CegarLoopResult]: At program point L165-1(lines 1 1026) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse2 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse5 .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 .cse4) (and (= ~waterLevel~0 1) .cse5 .cse1 .cse2))) [2020-10-20 01:44:50,464 INFO L274 CegarLoopResult]: For program point L165-2(lines 165 178) no Hoare annotation was computed. [2020-10-20 01:44:50,465 INFO L270 CegarLoopResult]: At program point L165-3(lines 1 1026) the Hoare annotation is: false [2020-10-20 01:44:50,465 INFO L274 CegarLoopResult]: For program point L165-4(lines 165 178) no Hoare annotation was computed. [2020-10-20 01:44:50,465 INFO L270 CegarLoopResult]: At program point L165-5(lines 1 1026) the Hoare annotation is: false [2020-10-20 01:44:50,465 INFO L270 CegarLoopResult]: At program point L496(lines 481 499) the Hoare annotation is: (and (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0)) [2020-10-20 01:44:50,465 INFO L270 CegarLoopResult]: At program point L496-1(lines 481 499) the Hoare annotation is: false [2020-10-20 01:44:50,466 INFO L270 CegarLoopResult]: At program point L496-2(lines 481 499) the Hoare annotation is: false [2020-10-20 01:44:50,466 INFO L270 CegarLoopResult]: At program point L496-3(lines 481 499) the Hoare annotation is: false [2020-10-20 01:44:50,466 INFO L270 CegarLoopResult]: At program point L496-4(lines 481 499) the Hoare annotation is: false [2020-10-20 01:44:50,466 INFO L270 CegarLoopResult]: At program point L496-5(lines 481 499) the Hoare annotation is: false [2020-10-20 01:44:50,466 INFO L274 CegarLoopResult]: For program point L233(lines 233 239) no Hoare annotation was computed. [2020-10-20 01:44:50,466 INFO L270 CegarLoopResult]: At program point L233-1(lines 268 274) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~waterLevel~0 1)) (.cse0 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3) (and .cse5 .cse4 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3))) [2020-10-20 01:44:50,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:50 BoogieIcfgContainer [2020-10-20 01:44:50,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:50,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:50,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:50,500 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:50,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:34" (3/4) ... [2020-10-20 01:44:50,505 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:50,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:50,536 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:50,538 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:50,540 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:50,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:50,544 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:50,546 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:50,581 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && 1 <= \result)) || ((((((\result == 0 && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:50,582 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:50,582 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:50,583 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:50,585 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-10-20 01:44:50,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:50,589 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) || (((((((!(\result == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:44:50,590 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0 [2020-10-20 01:44:50,591 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:50,591 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= tmp___0 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && tmp == 0 [2020-10-20 01:44:50,591 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 [2020-10-20 01:44:50,592 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:50,592 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 [2020-10-20 01:44:50,594 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 [2020-10-20 01:44:50,594 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 [2020-10-20 01:44:50,777 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:50,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:50,779 INFO L168 Benchmark]: Toolchain (without parser) took 18697.42 ms. Allocated memory was 40.9 MB in the beginning and 159.4 MB in the end (delta: 118.5 MB). Free memory was 18.3 MB in the beginning and 79.0 MB in the end (delta: -60.7 MB). Peak memory consumption was 57.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:50,779 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 30.9 MB. Free memory was 8.0 MB in the beginning and 8.0 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:50,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.09 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 17.5 MB in the beginning and 19.7 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:50,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.13 ms. Allocated memory is still 43.0 MB. Free memory was 19.7 MB in the beginning and 13.6 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:50,780 INFO L168 Benchmark]: Boogie Preprocessor took 75.19 ms. Allocated memory is still 43.0 MB. Free memory was 13.4 MB in the beginning and 9.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:50,781 INFO L168 Benchmark]: RCFGBuilder took 1259.14 ms. Allocated memory was 43.5 MB in the beginning and 51.9 MB in the end (delta: 8.4 MB). Free memory was 25.5 MB in the beginning and 29.2 MB in the end (delta: -3.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:50,781 INFO L168 Benchmark]: TraceAbstraction took 16349.24 ms. Allocated memory was 51.9 MB in the beginning and 159.4 MB in the end (delta: 107.5 MB). Free memory was 28.8 MB in the beginning and 106.2 MB in the end (delta: -77.4 MB). Peak memory consumption was 130.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:50,781 INFO L168 Benchmark]: Witness Printer took 276.94 ms. Allocated memory is still 159.4 MB. Free memory was 106.2 MB in the beginning and 79.0 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:50,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 30.9 MB. Free memory was 8.0 MB in the beginning and 8.0 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 620.09 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 17.5 MB in the beginning and 19.7 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 94.13 ms. Allocated memory is still 43.0 MB. Free memory was 19.7 MB in the beginning and 13.6 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 75.19 ms. Allocated memory is still 43.0 MB. Free memory was 13.4 MB in the beginning and 9.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1259.14 ms. Allocated memory was 43.5 MB in the beginning and 51.9 MB in the end (delta: 8.4 MB). Free memory was 25.5 MB in the beginning and 29.2 MB in the end (delta: -3.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 14.3 GB. * TraceAbstraction took 16349.24 ms. Allocated memory was 51.9 MB in the beginning and 159.4 MB in the end (delta: 107.5 MB). Free memory was 28.8 MB in the beginning and 106.2 MB in the end (delta: -77.4 MB). Peak memory consumption was 130.1 MB. Max. memory is 14.3 GB. * Witness Printer took 276.94 ms. Allocated memory is still 159.4 MB. Free memory was 106.2 MB in the beginning and 79.0 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 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: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1018]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && 1 <= \result)) || ((((((\result == 0 && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: ((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && 1 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) || (((((((!(\result == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: (((((1 <= tmp___0 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && tmp == 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 230 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2576 SDtfs, 2822 SDslu, 3981 SDs, 0 SdLazy, 504 SolverSat, 103 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred in iteration=14, 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, 15 MinimizatonAttempts, 2528 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 92 PreInvPairs, 250 NumberOfFragments, 777 HoareAnnotationTreeSize, 92 FomulaSimplifications, 3453290 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 92 FomulaSimplificationsInter, 346004 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 781 NumberOfCodeBlocks, 781 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 764 ConstructedInterpolants, 0 QuantifiedInterpolants, 64364 SizeOfPredicates, 8 NumberOfNonLiveVariables, 996 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 221/229 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...