./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_spec5_product35.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 426d9f957077f660214567f7d0d5aaa1a30c29c0 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:23:31,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:23:31,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:23:32,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:23:32,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:23:32,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:23:32,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:23:32,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:23:32,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:23:32,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:23:32,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:23:32,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:23:32,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:23:32,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:23:32,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:23:32,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:23:32,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:23:32,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:23:32,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:23:32,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:23:32,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:23:32,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:23:32,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:23:32,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:23:32,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:23:32,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:23:32,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:23:32,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:23:32,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:23:32,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:23:32,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:23:32,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:23:32,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:23:32,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:23:32,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:23:32,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:23:32,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:23:32,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:23:32,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:23:32,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:23:32,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:23:32,054 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:23:32,081 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:23:32,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:23:32,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:23:32,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:23:32,084 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:23:32,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:23:32,085 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:23:32,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:23:32,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:23:32,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:23:32,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:23:32,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:23:32,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:23:32,088 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:23:32,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:23:32,089 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:23:32,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:23:32,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:23:32,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:23:32,090 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:23:32,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:23:32,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:23:32,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:23:32,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:23:32,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:23:32,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:23:32,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:23:32,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:23:32,093 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(__VERIFIER_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 -> 426d9f957077f660214567f7d0d5aaa1a30c29c0 [2019-11-28 00:23:32,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:23:32,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:23:32,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:23:32,456 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:23:32,456 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:23:32,457 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2019-11-28 00:23:32,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3b2cac3/6a7d20fc85dc459b8d9c622342780749/FLAG5107f65af [2019-11-28 00:23:33,102 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:23:33,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2019-11-28 00:23:33,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3b2cac3/6a7d20fc85dc459b8d9c622342780749/FLAG5107f65af [2019-11-28 00:23:33,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3b2cac3/6a7d20fc85dc459b8d9c622342780749 [2019-11-28 00:23:33,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:23:33,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:23:33,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:33,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:23:33,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:23:33,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:33" (1/1) ... [2019-11-28 00:23:33,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760d99d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:33, skipping insertion in model container [2019-11-28 00:23:33,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:33" (1/1) ... [2019-11-28 00:23:33,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:23:33,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:23:33,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:33,915 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:23:34,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:34,087 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:23:34,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34 WrapperNode [2019-11-28 00:23:34,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:34,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:34,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:23:34,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:23:34,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:34,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:23:34,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:23:34,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:23:34,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:23:34,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:23:34,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:23:34,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:23:34,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (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 [2019-11-28 00:23:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:23:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:23:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:23:34,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:23:35,115 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:23:35,115 INFO L297 CfgBuilder]: Removed 114 assume(true) statements. [2019-11-28 00:23:35,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:35 BoogieIcfgContainer [2019-11-28 00:23:35,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:23:35,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:23:35,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:23:35,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:23:35,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:23:33" (1/3) ... [2019-11-28 00:23:35,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa542ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:35, skipping insertion in model container [2019-11-28 00:23:35,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (2/3) ... [2019-11-28 00:23:35,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa542ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:35, skipping insertion in model container [2019-11-28 00:23:35,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:35" (3/3) ... [2019-11-28 00:23:35,128 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2019-11-28 00:23:35,141 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:23:35,149 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:23:35,158 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:23:35,185 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:23:35,185 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:23:35,186 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:23:35,186 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:23:35,186 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:23:35,186 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:23:35,187 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:23:35,187 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:23:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2019-11-28 00:23:35,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:23:35,214 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:35,215 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:35,216 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:35,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:35,223 INFO L82 PathProgramCache]: Analyzing trace with hash -950357280, now seen corresponding path program 1 times [2019-11-28 00:23:35,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:35,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689302649] [2019-11-28 00:23:35,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:35,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:35,535 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689302649] [2019-11-28 00:23:35,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:35,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:35,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65831082] [2019-11-28 00:23:35,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:23:35,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:35,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:23:35,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:23:35,563 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2019-11-28 00:23:35,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:35,610 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2019-11-28 00:23:35,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:23:35,611 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-28 00:23:35,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:35,622 INFO L225 Difference]: With dead ends: 171 [2019-11-28 00:23:35,622 INFO L226 Difference]: Without dead ends: 85 [2019-11-28 00:23:35,625 INFO L630 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 [2019-11-28 00:23:35,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-11-28 00:23:35,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-11-28 00:23:35,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-28 00:23:35,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2019-11-28 00:23:35,670 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2019-11-28 00:23:35,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:35,671 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2019-11-28 00:23:35,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:23:35,671 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2019-11-28 00:23:35,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 00:23:35,673 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:35,673 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:35,673 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:35,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:35,674 INFO L82 PathProgramCache]: Analyzing trace with hash -552380079, now seen corresponding path program 1 times [2019-11-28 00:23:35,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:35,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784064026] [2019-11-28 00:23:35,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:35,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784064026] [2019-11-28 00:23:35,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:35,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:35,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542402174] [2019-11-28 00:23:35,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:35,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:35,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:35,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:35,815 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2019-11-28 00:23:35,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:35,833 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2019-11-28 00:23:35,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:35,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 00:23:35,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:35,835 INFO L225 Difference]: With dead ends: 85 [2019-11-28 00:23:35,835 INFO L226 Difference]: Without dead ends: 40 [2019-11-28 00:23:35,838 INFO L630 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 [2019-11-28 00:23:35,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-28 00:23:35,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-28 00:23:35,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-28 00:23:35,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2019-11-28 00:23:35,852 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2019-11-28 00:23:35,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:35,853 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2019-11-28 00:23:35,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2019-11-28 00:23:35,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:23:35,854 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:35,855 INFO L410 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] [2019-11-28 00:23:35,855 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:35,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:35,855 INFO L82 PathProgramCache]: Analyzing trace with hash 483095041, now seen corresponding path program 1 times [2019-11-28 00:23:35,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:35,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215790385] [2019-11-28 00:23:35,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:35,978 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215790385] [2019-11-28 00:23:35,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:35,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:35,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559408519] [2019-11-28 00:23:35,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:35,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:35,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:35,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:35,982 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 6 states. [2019-11-28 00:23:36,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:36,143 INFO L93 Difference]: Finished difference Result 132 states and 192 transitions. [2019-11-28 00:23:36,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:23:36,145 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-11-28 00:23:36,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:36,147 INFO L225 Difference]: With dead ends: 132 [2019-11-28 00:23:36,147 INFO L226 Difference]: Without dead ends: 99 [2019-11-28 00:23:36,148 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:23:36,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-11-28 00:23:36,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 62. [2019-11-28 00:23:36,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-28 00:23:36,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2019-11-28 00:23:36,167 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 26 [2019-11-28 00:23:36,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:36,168 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2019-11-28 00:23:36,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:36,169 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2019-11-28 00:23:36,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 00:23:36,171 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:36,171 INFO L410 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] [2019-11-28 00:23:36,171 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:36,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:36,172 INFO L82 PathProgramCache]: Analyzing trace with hash -2057617797, now seen corresponding path program 1 times [2019-11-28 00:23:36,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:36,173 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10980642] [2019-11-28 00:23:36,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:36,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:36,258 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10980642] [2019-11-28 00:23:36,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:36,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:36,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698742412] [2019-11-28 00:23:36,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:36,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:36,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:36,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:36,261 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand 3 states. [2019-11-28 00:23:36,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:36,317 INFO L93 Difference]: Finished difference Result 141 states and 205 transitions. [2019-11-28 00:23:36,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:36,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-28 00:23:36,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:36,319 INFO L225 Difference]: With dead ends: 141 [2019-11-28 00:23:36,320 INFO L226 Difference]: Without dead ends: 86 [2019-11-28 00:23:36,321 INFO L630 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 [2019-11-28 00:23:36,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-11-28 00:23:36,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2019-11-28 00:23:36,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-28 00:23:36,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2019-11-28 00:23:36,334 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 27 [2019-11-28 00:23:36,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:36,335 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2019-11-28 00:23:36,335 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:36,335 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2019-11-28 00:23:36,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 00:23:36,337 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:36,337 INFO L410 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] [2019-11-28 00:23:36,337 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:36,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:36,338 INFO L82 PathProgramCache]: Analyzing trace with hash 214615626, now seen corresponding path program 1 times [2019-11-28 00:23:36,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:36,339 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015768250] [2019-11-28 00:23:36,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:36,443 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015768250] [2019-11-28 00:23:36,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:36,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:23:36,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914001881] [2019-11-28 00:23:36,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:36,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:36,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:36,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:36,445 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand 5 states. [2019-11-28 00:23:36,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:36,616 INFO L93 Difference]: Finished difference Result 273 states and 386 transitions. [2019-11-28 00:23:36,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:36,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-28 00:23:36,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:36,618 INFO L225 Difference]: With dead ends: 273 [2019-11-28 00:23:36,619 INFO L226 Difference]: Without dead ends: 196 [2019-11-28 00:23:36,620 INFO L630 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 [2019-11-28 00:23:36,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-11-28 00:23:36,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 82. [2019-11-28 00:23:36,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-28 00:23:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 112 transitions. [2019-11-28 00:23:36,636 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 112 transitions. Word has length 29 [2019-11-28 00:23:36,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:36,637 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 112 transitions. [2019-11-28 00:23:36,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:36,637 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2019-11-28 00:23:36,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:23:36,638 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:36,639 INFO L410 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] [2019-11-28 00:23:36,639 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:36,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:36,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1855288842, now seen corresponding path program 1 times [2019-11-28 00:23:36,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:36,641 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402140006] [2019-11-28 00:23:36,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:36,712 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402140006] [2019-11-28 00:23:36,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:36,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:36,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399941243] [2019-11-28 00:23:36,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:36,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:36,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:36,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:36,716 INFO L87 Difference]: Start difference. First operand 82 states and 112 transitions. Second operand 5 states. [2019-11-28 00:23:36,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:36,782 INFO L93 Difference]: Finished difference Result 240 states and 330 transitions. [2019-11-28 00:23:36,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:23:36,782 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 00:23:36,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:36,784 INFO L225 Difference]: With dead ends: 240 [2019-11-28 00:23:36,784 INFO L226 Difference]: Without dead ends: 165 [2019-11-28 00:23:36,785 INFO L630 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 [2019-11-28 00:23:36,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-11-28 00:23:36,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 85. [2019-11-28 00:23:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-28 00:23:36,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2019-11-28 00:23:36,799 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 33 [2019-11-28 00:23:36,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:36,800 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2019-11-28 00:23:36,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:36,800 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2019-11-28 00:23:36,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:23:36,801 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:36,802 INFO L410 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] [2019-11-28 00:23:36,802 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:36,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:36,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1738613876, now seen corresponding path program 1 times [2019-11-28 00:23:36,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:36,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412254796] [2019-11-28 00:23:36,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:36,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412254796] [2019-11-28 00:23:36,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:36,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:23:36,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655181465] [2019-11-28 00:23:36,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:36,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:36,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:36,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:36,880 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand 6 states. [2019-11-28 00:23:36,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:36,974 INFO L93 Difference]: Finished difference Result 254 states and 345 transitions. [2019-11-28 00:23:36,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:23:36,974 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-28 00:23:36,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:36,976 INFO L225 Difference]: With dead ends: 254 [2019-11-28 00:23:36,976 INFO L226 Difference]: Without dead ends: 176 [2019-11-28 00:23:36,977 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-28 00:23:36,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-11-28 00:23:36,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 87. [2019-11-28 00:23:36,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-28 00:23:36,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2019-11-28 00:23:36,993 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 117 transitions. Word has length 33 [2019-11-28 00:23:36,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:36,993 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 117 transitions. [2019-11-28 00:23:36,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2019-11-28 00:23:36,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:23:36,995 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:36,995 INFO L410 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] [2019-11-28 00:23:36,995 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:36,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:36,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1969547406, now seen corresponding path program 1 times [2019-11-28 00:23:36,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:36,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494103875] [2019-11-28 00:23:36,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:37,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:37,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494103875] [2019-11-28 00:23:37,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:37,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:37,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915169456] [2019-11-28 00:23:37,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:37,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:37,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:37,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:37,051 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. Second operand 3 states. [2019-11-28 00:23:37,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:37,087 INFO L93 Difference]: Finished difference Result 216 states and 292 transitions. [2019-11-28 00:23:37,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:37,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-28 00:23:37,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:37,089 INFO L225 Difference]: With dead ends: 216 [2019-11-28 00:23:37,090 INFO L226 Difference]: Without dead ends: 136 [2019-11-28 00:23:37,090 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:37,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-11-28 00:23:37,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-11-28 00:23:37,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-28 00:23:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 179 transitions. [2019-11-28 00:23:37,108 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 179 transitions. Word has length 33 [2019-11-28 00:23:37,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:37,108 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 179 transitions. [2019-11-28 00:23:37,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:37,109 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 179 transitions. [2019-11-28 00:23:37,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:23:37,110 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:37,110 INFO L410 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] [2019-11-28 00:23:37,110 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:37,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:37,111 INFO L82 PathProgramCache]: Analyzing trace with hash -430787762, now seen corresponding path program 1 times [2019-11-28 00:23:37,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:37,111 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730177782] [2019-11-28 00:23:37,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:37,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:37,231 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730177782] [2019-11-28 00:23:37,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:37,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:23:37,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748036840] [2019-11-28 00:23:37,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:37,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:37,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:37,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:37,235 INFO L87 Difference]: Start difference. First operand 136 states and 179 transitions. Second operand 6 states. [2019-11-28 00:23:37,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:37,511 INFO L93 Difference]: Finished difference Result 481 states and 655 transitions. [2019-11-28 00:23:37,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:37,512 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-11-28 00:23:37,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:37,516 INFO L225 Difference]: With dead ends: 481 [2019-11-28 00:23:37,516 INFO L226 Difference]: Without dead ends: 401 [2019-11-28 00:23:37,517 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:23:37,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-11-28 00:23:37,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 198. [2019-11-28 00:23:37,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-11-28 00:23:37,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2019-11-28 00:23:37,587 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 34 [2019-11-28 00:23:37,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:37,587 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2019-11-28 00:23:37,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:37,588 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2019-11-28 00:23:37,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-28 00:23:37,594 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:37,595 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:37,595 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:37,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:37,596 INFO L82 PathProgramCache]: Analyzing trace with hash -915518735, now seen corresponding path program 1 times [2019-11-28 00:23:37,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:37,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050314186] [2019-11-28 00:23:37,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:37,680 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050314186] [2019-11-28 00:23:37,680 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777637581] [2019-11-28 00:23:37,680 INFO L94 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 [2019-11-28 00:23:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:37,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 00:23:37,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:23:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:37,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:23:37,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-28 00:23:37,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619955990] [2019-11-28 00:23:37,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 00:23:37,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:37,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 00:23:37,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:23:37,904 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand 8 states. [2019-11-28 00:23:38,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:38,124 INFO L93 Difference]: Finished difference Result 353 states and 468 transitions. [2019-11-28 00:23:38,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:23:38,125 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-11-28 00:23:38,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:38,125 INFO L225 Difference]: With dead ends: 353 [2019-11-28 00:23:38,126 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:23:38,127 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:23:38,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:23:38,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:23:38,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:23:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:23:38,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-11-28 00:23:38,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:38,128 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:23:38,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 00:23:38,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:23:38,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:23:38,330 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:38,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:23:38,453 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-11-28 00:23:38,886 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2019-11-28 00:23:39,114 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-11-28 00:23:39,311 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-11-28 00:23:39,426 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-11-28 00:23:39,707 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2019-11-28 00:23:40,047 WARN L192 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2019-11-28 00:23:40,184 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 16 [2019-11-28 00:23:40,416 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 28 [2019-11-28 00:23:40,725 WARN L192 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 39 [2019-11-28 00:23:41,065 WARN L192 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2019-11-28 00:23:41,217 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 30 [2019-11-28 00:23:41,353 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-11-28 00:23:41,653 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 31 [2019-11-28 00:23:41,794 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2019-11-28 00:23:42,011 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 38 [2019-11-28 00:23:42,367 WARN L192 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2019-11-28 00:23:42,681 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 37 [2019-11-28 00:23:42,726 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 00:23:42,726 INFO L246 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2019-11-28 00:23:42,727 INFO L242 CegarLoopResult]: At program point L878(lines 863 881) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6)) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1 .cse3 .cse4 .cse5))) [2019-11-28 00:23:42,727 INFO L242 CegarLoopResult]: At program point L878-1(lines 863 881) the Hoare annotation is: false [2019-11-28 00:23:42,727 INFO L242 CegarLoopResult]: At program point L878-2(lines 863 881) the Hoare annotation is: false [2019-11-28 00:23:42,728 INFO L246 CegarLoopResult]: For program point L647(lines 647 651) no Hoare annotation was computed. [2019-11-28 00:23:42,728 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:23:42,728 INFO L242 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: false [2019-11-28 00:23:42,728 INFO L246 CegarLoopResult]: For program point L929(lines 929 939) no Hoare annotation was computed. [2019-11-28 00:23:42,728 INFO L246 CegarLoopResult]: For program point L929-2(lines 929 939) no Hoare annotation was computed. [2019-11-28 00:23:42,729 INFO L246 CegarLoopResult]: For program point L929-4(lines 929 939) no Hoare annotation was computed. [2019-11-28 00:23:42,729 INFO L246 CegarLoopResult]: For program point L930(lines 930 936) no Hoare annotation was computed. [2019-11-28 00:23:42,729 INFO L246 CegarLoopResult]: For program point L930-2(lines 930 936) no Hoare annotation was computed. [2019-11-28 00:23:42,729 INFO L246 CegarLoopResult]: For program point L930-4(lines 930 936) no Hoare annotation was computed. [2019-11-28 00:23:42,729 INFO L242 CegarLoopResult]: At program point L914(lines 738 744) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse2 .cse1 (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) .cse3))) [2019-11-28 00:23:42,729 INFO L242 CegarLoopResult]: At program point L914-1(lines 738 744) the Hoare annotation is: false [2019-11-28 00:23:42,729 INFO L242 CegarLoopResult]: At program point L914-2(lines 738 744) the Hoare annotation is: false [2019-11-28 00:23:42,730 INFO L242 CegarLoopResult]: At program point L551(lines 546 554) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:42,730 INFO L246 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2019-11-28 00:23:42,730 INFO L242 CegarLoopResult]: At program point L717(lines 708 721) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse3 .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2019-11-28 00:23:42,730 INFO L242 CegarLoopResult]: At program point L717-1(lines 708 721) the Hoare annotation is: false [2019-11-28 00:23:42,730 INFO L242 CegarLoopResult]: At program point L717-2(lines 708 721) the Hoare annotation is: false [2019-11-28 00:23:42,730 INFO L246 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2019-11-28 00:23:42,730 INFO L246 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-11-28 00:23:42,730 INFO L246 CegarLoopResult]: For program point L635-3(lines 635 639) no Hoare annotation was computed. [2019-11-28 00:23:42,731 INFO L246 CegarLoopResult]: For program point L635-6(lines 635 639) no Hoare annotation was computed. [2019-11-28 00:23:42,731 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:23:42,731 INFO L246 CegarLoopResult]: For program point L603(lines 603 609) no Hoare annotation was computed. [2019-11-28 00:23:42,731 INFO L242 CegarLoopResult]: At program point L603-1(lines 603 609) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse1 (= ~pumpRunning~0 0) .cse5) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2019-11-28 00:23:42,731 INFO L246 CegarLoopResult]: For program point L141(lines 141 148) no Hoare annotation was computed. [2019-11-28 00:23:42,731 INFO L249 CegarLoopResult]: At program point L141-1(lines 141 148) the Hoare annotation is: true [2019-11-28 00:23:42,732 INFO L246 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2019-11-28 00:23:42,732 INFO L242 CegarLoopResult]: At program point L587-1(lines 587 593) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse1 .cse6 .cse5) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2019-11-28 00:23:42,732 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 00:23:42,732 INFO L246 CegarLoopResult]: For program point L770(lines 770 787) no Hoare annotation was computed. [2019-11-28 00:23:42,732 INFO L246 CegarLoopResult]: For program point L770-1(lines 770 787) no Hoare annotation was computed. [2019-11-28 00:23:42,732 INFO L242 CegarLoopResult]: At program point L704(lines 699 707) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ULTIMATE.start_processEnvironment_~tmp~5) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse5) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 .cse6 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse6 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 .cse5))) [2019-11-28 00:23:42,732 INFO L246 CegarLoopResult]: For program point L770-2(lines 770 787) no Hoare annotation was computed. [2019-11-28 00:23:42,733 INFO L242 CegarLoopResult]: At program point L704-1(lines 699 707) the Hoare annotation is: false [2019-11-28 00:23:42,733 INFO L242 CegarLoopResult]: At program point L704-2(lines 699 707) the Hoare annotation is: false [2019-11-28 00:23:42,733 INFO L246 CegarLoopResult]: For program point L886(lines 886 892) no Hoare annotation was computed. [2019-11-28 00:23:42,733 INFO L242 CegarLoopResult]: At program point L886-1(lines 886 892) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:42,733 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-28 00:23:42,733 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-28 00:23:42,733 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-28 00:23:42,733 INFO L242 CegarLoopResult]: At program point L738(lines 734 756) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse1 (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2019-11-28 00:23:42,734 INFO L242 CegarLoopResult]: At program point L738-1(lines 734 756) the Hoare annotation is: false [2019-11-28 00:23:42,734 INFO L242 CegarLoopResult]: At program point L738-2(lines 734 756) the Hoare annotation is: false [2019-11-28 00:23:42,734 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:23:42,734 INFO L242 CegarLoopResult]: At program point L61-2(lines 61 75) the Hoare annotation is: false [2019-11-28 00:23:42,734 INFO L242 CegarLoopResult]: At program point L904(lines 899 906) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:42,734 INFO L246 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2019-11-28 00:23:42,734 INFO L242 CegarLoopResult]: At program point L112(lines 108 114) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:42,735 INFO L246 CegarLoopResult]: For program point L872(lines 872 876) no Hoare annotation was computed. [2019-11-28 00:23:42,735 INFO L246 CegarLoopResult]: For program point L872-2(lines 872 876) no Hoare annotation was computed. [2019-11-28 00:23:42,735 INFO L246 CegarLoopResult]: For program point L872-3(lines 872 876) no Hoare annotation was computed. [2019-11-28 00:23:42,735 INFO L246 CegarLoopResult]: For program point L872-5(lines 872 876) no Hoare annotation was computed. [2019-11-28 00:23:42,735 INFO L246 CegarLoopResult]: For program point L872-6(lines 872 876) no Hoare annotation was computed. [2019-11-28 00:23:42,735 INFO L246 CegarLoopResult]: For program point L872-8(lines 872 876) no Hoare annotation was computed. [2019-11-28 00:23:42,735 INFO L242 CegarLoopResult]: At program point L823(lines 818 826) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse2 .cse1 (= ~switchedOnBeforeTS~0 1) .cse4 .cse5 .cse6 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1 .cse4 .cse5 .cse6 .cse3))) [2019-11-28 00:23:42,736 INFO L242 CegarLoopResult]: At program point L823-1(lines 818 826) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) .cse3))) [2019-11-28 00:23:42,736 INFO L242 CegarLoopResult]: At program point L823-2(lines 818 826) the Hoare annotation is: false [2019-11-28 00:23:42,736 INFO L242 CegarLoopResult]: At program point L823-3(lines 818 826) the Hoare annotation is: false [2019-11-28 00:23:42,736 INFO L242 CegarLoopResult]: At program point L823-4(lines 818 826) the Hoare annotation is: false [2019-11-28 00:23:42,736 INFO L242 CegarLoopResult]: At program point L823-5(lines 818 826) the Hoare annotation is: false [2019-11-28 00:23:42,736 INFO L246 CegarLoopResult]: For program point L774(lines 774 782) no Hoare annotation was computed. [2019-11-28 00:23:42,736 INFO L246 CegarLoopResult]: For program point L774-1(lines 774 782) no Hoare annotation was computed. [2019-11-28 00:23:42,736 INFO L246 CegarLoopResult]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2019-11-28 00:23:42,736 INFO L242 CegarLoopResult]: At program point L543(lines 1 945) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:42,737 INFO L246 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2019-11-28 00:23:42,737 INFO L246 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-11-28 00:23:42,737 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-28 00:23:42,737 INFO L242 CegarLoopResult]: At program point L577-1(lines 577 583) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse1 .cse6 .cse5) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2019-11-28 00:23:42,737 INFO L246 CegarLoopResult]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2019-11-28 00:23:42,737 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:23:42,737 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 00:23:42,738 INFO L246 CegarLoopResult]: For program point L925(lines 925 942) no Hoare annotation was computed. [2019-11-28 00:23:42,738 INFO L242 CegarLoopResult]: At program point L925-1(lines 1 945) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse4 .cse5 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)) (and .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse1 .cse6 .cse5) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2019-11-28 00:23:42,738 INFO L246 CegarLoopResult]: For program point L925-2(lines 925 942) no Hoare annotation was computed. [2019-11-28 00:23:42,738 INFO L242 CegarLoopResult]: At program point L925-3(lines 1 945) the Hoare annotation is: false [2019-11-28 00:23:42,738 INFO L246 CegarLoopResult]: For program point L925-4(lines 925 942) no Hoare annotation was computed. [2019-11-28 00:23:42,738 INFO L242 CegarLoopResult]: At program point L925-5(lines 1 945) the Hoare annotation is: false [2019-11-28 00:23:42,738 INFO L249 CegarLoopResult]: At program point L150(lines 131 153) the Hoare annotation is: true [2019-11-28 00:23:42,739 INFO L242 CegarLoopResult]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= 0 ULTIMATE.start_processEnvironment_~tmp~5) .cse1 .cse2 .cse6 .cse4 .cse5) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse1 .cse6 .cse5))) [2019-11-28 00:23:42,739 INFO L246 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-11-28 00:23:42,739 INFO L242 CegarLoopResult]: At program point L745-1(lines 745 751) the Hoare annotation is: false [2019-11-28 00:23:42,739 INFO L246 CegarLoopResult]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2019-11-28 00:23:42,739 INFO L242 CegarLoopResult]: At program point L745-2(lines 745 751) the Hoare annotation is: false [2019-11-28 00:23:42,739 INFO L246 CegarLoopResult]: For program point L712-2(lines 712 718) no Hoare annotation was computed. [2019-11-28 00:23:42,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:23:42 BoogieIcfgContainer [2019-11-28 00:23:42,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:23:42,788 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:23:42,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:23:42,788 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:23:42,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:35" (3/4) ... [2019-11-28 00:23:42,797 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:23:42,841 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:23:42,843 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:23:42,843 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:23:42,844 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:23:42,845 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:23:42,847 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:42,848 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:42,887 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 00:23:42,887 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 [2019-11-28 00:23:42,888 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 [2019-11-28 00:23:42,888 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && tmp <= 2) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:42,889 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:42,890 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:42,891 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:42,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:23:42,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:42,893 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:42,893 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:42,894 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 0 == tmp) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && switchedOnBeforeTS == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:42,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 0 == tmp) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && \result == 0) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && switchedOnBeforeTS == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:42,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:42,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && \result == 0) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 1 && switchedOnBeforeTS == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:42,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == \result && !(0 == tmp)) && \result == 1) && 0 == tmp___0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:43,010 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:23:43,011 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:23:43,012 INFO L168 Benchmark]: Toolchain (without parser) took 9571.34 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.2 MB). Free memory was 961.7 MB in the beginning and 953.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 325.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:43,013 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:23:43,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:43,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:43,014 INFO L168 Benchmark]: Boogie Preprocessor took 41.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:23:43,014 INFO L168 Benchmark]: RCFGBuilder took 918.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:43,015 INFO L168 Benchmark]: TraceAbstraction took 7669.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 189.3 MB). Free memory was 1.0 GB in the beginning and 972.6 MB in the end (delta: 65.9 MB). Peak memory consumption was 318.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:43,015 INFO L168 Benchmark]: Witness Printer took 223.08 ms. Allocated memory is still 1.3 GB. Free memory was 972.6 MB in the beginning and 953.7 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:43,017 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 646.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 918.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7669.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 189.3 MB). Free memory was 1.0 GB in the beginning and 972.6 MB in the end (delta: 65.9 MB). Peak memory consumption was 318.9 MB. Max. memory is 11.5 GB. * Witness Printer took 223.08 ms. Allocated memory is still 1.3 GB. Free memory was 972.6 MB in the beginning and 953.7 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: ((((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && tmp <= 2) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: ((((((((0 == \result && !(0 == tmp)) && \result == 1) && 0 == tmp___0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: ((((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((((\result == 1 && \result == 0) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 1 && switchedOnBeforeTS == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 0 == tmp) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && \result == 0) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && switchedOnBeforeTS == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 0 == tmp) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && switchedOnBeforeTS == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, HoareTripleCheckerStatistics: 834 SDtfs, 1088 SDslu, 1466 SDs, 0 SdLazy, 228 SolverSat, 49 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 525 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 137 NumberOfFragments, 960 HoareAnnotationTreeSize, 39 FomulaSimplifications, 30030 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 62489 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 24337 SizeOfPredicates, 4 NumberOfNonLiveVariables, 397 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...