./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product52.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_spec4_product52.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 ac98b61700c421642ba0cea32b1043bdcac0ece8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:22:55,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:22:55,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:22:55,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:22:55,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:22:55,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:22:55,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:22:55,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:22:55,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:22:55,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:22:55,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:22:55,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:22:55,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:22:55,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:22:55,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:22:55,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:22:55,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:22:55,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:22:55,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:22:55,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:22:55,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:22:55,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:22:55,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:22:55,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:22:55,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:22:55,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:22:55,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:22:55,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:22:55,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:22:55,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:22:55,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:22:55,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:22:55,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:22:55,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:22:55,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:22:55,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:22:55,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:22:55,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:22:55,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:22:55,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:22:55,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:22:55,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:22:55,942 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:22:55,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:22:55,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:22:55,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:22:55,945 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:22:55,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:22:55,946 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:22:55,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:22:55,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:22:55,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:22:55,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:22:55,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:22:55,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:22:55,949 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:22:55,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:22:55,950 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:22:55,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:22:55,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:22:55,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:22:55,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:22:55,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:22:55,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:22:55,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:22:55,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:22:55,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:22:55,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:22:55,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:22:55,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:22:55,953 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 -> ac98b61700c421642ba0cea32b1043bdcac0ece8 [2019-11-28 00:22:56,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:22:56,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:22:56,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:22:56,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:22:56,381 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:22:56,382 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2019-11-28 00:22:56,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8145b0771/c3e1e60c40934903a7be290a7e245cea/FLAG97f509186 [2019-11-28 00:22:57,042 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:22:57,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2019-11-28 00:22:57,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8145b0771/c3e1e60c40934903a7be290a7e245cea/FLAG97f509186 [2019-11-28 00:22:57,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8145b0771/c3e1e60c40934903a7be290a7e245cea [2019-11-28 00:22:57,376 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:22:57,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:22:57,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:57,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:22:57,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:22:57,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:57" (1/1) ... [2019-11-28 00:22:57,387 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 12:22:57, skipping insertion in model container [2019-11-28 00:22:57,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:57" (1/1) ... [2019-11-28 00:22:57,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:22:57,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:22:57,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:57,913 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:22:58,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:58,087 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:22:58,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:58 WrapperNode [2019-11-28 00:22:58,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:58,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:58,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:22:58,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:22:58,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:58" (1/1) ... [2019-11-28 00:22:58,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:58" (1/1) ... [2019-11-28 00:22:58,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:58,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:22:58,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:22:58,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:22:58,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:58" (1/1) ... [2019-11-28 00:22:58,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:58" (1/1) ... [2019-11-28 00:22:58,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:58" (1/1) ... [2019-11-28 00:22:58,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:58" (1/1) ... [2019-11-28 00:22:58,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:58" (1/1) ... [2019-11-28 00:22:58,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:58" (1/1) ... [2019-11-28 00:22:58,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:58" (1/1) ... [2019-11-28 00:22:58,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:22:58,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:22:58,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:22:58,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:22:58,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:58" (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 00:22:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:22:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:22:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:22:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:22:59,297 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:22:59,298 INFO L297 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-28 00:22:59,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:59 BoogieIcfgContainer [2019-11-28 00:22:59,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:22:59,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:22:59,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:22:59,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:22:59,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:22:57" (1/3) ... [2019-11-28 00:22:59,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a0e5bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:59, skipping insertion in model container [2019-11-28 00:22:59,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:58" (2/3) ... [2019-11-28 00:22:59,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a0e5bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:59, skipping insertion in model container [2019-11-28 00:22:59,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:59" (3/3) ... [2019-11-28 00:22:59,315 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2019-11-28 00:22:59,325 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:22:59,334 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:22:59,344 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:22:59,367 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:22:59,367 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:22:59,367 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:22:59,368 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:22:59,368 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:22:59,368 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:22:59,368 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:22:59,369 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:22:59,388 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2019-11-28 00:22:59,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 00:22:59,396 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:59,397 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:59,397 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:59,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:59,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1794729554, now seen corresponding path program 1 times [2019-11-28 00:22:59,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:59,414 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364552696] [2019-11-28 00:22:59,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:59,709 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 00:22:59,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364552696] [2019-11-28 00:22:59,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:59,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:22:59,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525086511] [2019-11-28 00:22:59,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:22:59,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:59,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:22:59,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:22:59,731 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2019-11-28 00:22:59,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:59,765 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2019-11-28 00:22:59,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:22:59,767 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 00:22:59,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:59,779 INFO L225 Difference]: With dead ends: 232 [2019-11-28 00:22:59,780 INFO L226 Difference]: Without dead ends: 115 [2019-11-28 00:22:59,784 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 00:22:59,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-28 00:22:59,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-11-28 00:22:59,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-28 00:22:59,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2019-11-28 00:22:59,832 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2019-11-28 00:22:59,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:59,833 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2019-11-28 00:22:59,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:22:59,833 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2019-11-28 00:22:59,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 00:22:59,834 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:59,834 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:59,835 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:59,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:59,835 INFO L82 PathProgramCache]: Analyzing trace with hash 529368141, now seen corresponding path program 1 times [2019-11-28 00:22:59,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:59,836 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233208159] [2019-11-28 00:22:59,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:59,934 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 00:22:59,938 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233208159] [2019-11-28 00:22:59,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:59,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:22:59,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300423517] [2019-11-28 00:22:59,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:59,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:59,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:59,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:59,942 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 3 states. [2019-11-28 00:22:59,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:59,974 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2019-11-28 00:22:59,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:59,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 00:22:59,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:59,976 INFO L225 Difference]: With dead ends: 115 [2019-11-28 00:22:59,976 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 00:22:59,978 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 00:22:59,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 00:22:59,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-28 00:22:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-28 00:22:59,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-11-28 00:22:59,985 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2019-11-28 00:22:59,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:59,985 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-11-28 00:22:59,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:59,986 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-11-28 00:22:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 00:22:59,987 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:59,987 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] [2019-11-28 00:22:59,987 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:59,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:59,988 INFO L82 PathProgramCache]: Analyzing trace with hash -2061312917, now seen corresponding path program 1 times [2019-11-28 00:22:59,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:59,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484041549] [2019-11-28 00:22:59,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:00,070 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 00:23:00,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484041549] [2019-11-28 00:23:00,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:00,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:00,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991034968] [2019-11-28 00:23:00,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:00,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:00,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:00,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:00,074 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-11-28 00:23:00,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:00,120 INFO L93 Difference]: Finished difference Result 135 states and 201 transitions. [2019-11-28 00:23:00,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:00,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-28 00:23:00,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:00,125 INFO L225 Difference]: With dead ends: 135 [2019-11-28 00:23:00,125 INFO L226 Difference]: Without dead ends: 92 [2019-11-28 00:23:00,126 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 00:23:00,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-28 00:23:00,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2019-11-28 00:23:00,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-28 00:23:00,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 131 transitions. [2019-11-28 00:23:00,138 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 131 transitions. Word has length 22 [2019-11-28 00:23:00,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:00,139 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 131 transitions. [2019-11-28 00:23:00,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:00,139 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2019-11-28 00:23:00,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:23:00,141 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:00,141 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] [2019-11-28 00:23:00,141 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:00,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:00,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1499976397, now seen corresponding path program 1 times [2019-11-28 00:23:00,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:00,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728123506] [2019-11-28 00:23:00,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:00,227 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 00:23:00,228 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728123506] [2019-11-28 00:23:00,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:00,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:00,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65205266] [2019-11-28 00:23:00,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:00,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:00,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:00,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:00,230 INFO L87 Difference]: Start difference. First operand 88 states and 131 transitions. Second operand 3 states. [2019-11-28 00:23:00,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:00,306 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2019-11-28 00:23:00,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:00,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:23:00,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:00,308 INFO L225 Difference]: With dead ends: 211 [2019-11-28 00:23:00,308 INFO L226 Difference]: Without dead ends: 129 [2019-11-28 00:23:00,312 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 00:23:00,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-11-28 00:23:00,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2019-11-28 00:23:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-28 00:23:00,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 185 transitions. [2019-11-28 00:23:00,328 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 185 transitions. Word has length 24 [2019-11-28 00:23:00,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:00,328 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 185 transitions. [2019-11-28 00:23:00,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:00,329 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 185 transitions. [2019-11-28 00:23:00,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 00:23:00,330 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:00,330 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] [2019-11-28 00:23:00,330 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:00,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:00,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1678878848, now seen corresponding path program 1 times [2019-11-28 00:23:00,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:00,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240179579] [2019-11-28 00:23:00,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:00,430 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 00:23:00,430 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240179579] [2019-11-28 00:23:00,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:00,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:23:00,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148166576] [2019-11-28 00:23:00,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:00,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:00,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:00,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:00,433 INFO L87 Difference]: Start difference. First operand 127 states and 185 transitions. Second operand 5 states. [2019-11-28 00:23:00,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:00,727 INFO L93 Difference]: Finished difference Result 451 states and 663 transitions. [2019-11-28 00:23:00,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:23:00,728 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-28 00:23:00,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:00,731 INFO L225 Difference]: With dead ends: 451 [2019-11-28 00:23:00,732 INFO L226 Difference]: Without dead ends: 330 [2019-11-28 00:23:00,733 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:23:00,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2019-11-28 00:23:00,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 210. [2019-11-28 00:23:00,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-28 00:23:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 296 transitions. [2019-11-28 00:23:00,760 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 296 transitions. Word has length 25 [2019-11-28 00:23:00,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:00,760 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 296 transitions. [2019-11-28 00:23:00,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:00,761 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 296 transitions. [2019-11-28 00:23:00,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:23:00,763 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:00,763 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 00:23:00,763 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:00,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:00,767 INFO L82 PathProgramCache]: Analyzing trace with hash -280430142, now seen corresponding path program 1 times [2019-11-28 00:23:00,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:00,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251443898] [2019-11-28 00:23:00,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:00,874 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 00:23:00,874 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251443898] [2019-11-28 00:23:00,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:00,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:23:00,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559644077] [2019-11-28 00:23:00,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:00,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:00,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:00,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:00,877 INFO L87 Difference]: Start difference. First operand 210 states and 296 transitions. Second operand 5 states. [2019-11-28 00:23:01,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:01,056 INFO L93 Difference]: Finished difference Result 450 states and 648 transitions. [2019-11-28 00:23:01,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:01,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-28 00:23:01,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:01,060 INFO L225 Difference]: With dead ends: 450 [2019-11-28 00:23:01,060 INFO L226 Difference]: Without dead ends: 448 [2019-11-28 00:23:01,061 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 00:23:01,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-11-28 00:23:01,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 210. [2019-11-28 00:23:01,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-28 00:23:01,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 294 transitions. [2019-11-28 00:23:01,090 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 294 transitions. Word has length 26 [2019-11-28 00:23:01,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:01,090 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 294 transitions. [2019-11-28 00:23:01,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:01,091 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 294 transitions. [2019-11-28 00:23:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 00:23:01,098 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:01,099 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] [2019-11-28 00:23:01,102 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:01,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:01,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1932951004, now seen corresponding path program 1 times [2019-11-28 00:23:01,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:01,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216249760] [2019-11-28 00:23:01,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:01,200 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 00:23:01,201 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216249760] [2019-11-28 00:23:01,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:01,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:01,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442444510] [2019-11-28 00:23:01,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:01,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:01,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:01,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:01,204 INFO L87 Difference]: Start difference. First operand 210 states and 294 transitions. Second operand 5 states. [2019-11-28 00:23:01,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:01,315 INFO L93 Difference]: Finished difference Result 585 states and 811 transitions. [2019-11-28 00:23:01,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:23:01,316 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-28 00:23:01,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:01,319 INFO L225 Difference]: With dead ends: 585 [2019-11-28 00:23:01,319 INFO L226 Difference]: Without dead ends: 381 [2019-11-28 00:23:01,320 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 00:23:01,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2019-11-28 00:23:01,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 228. [2019-11-28 00:23:01,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-11-28 00:23:01,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 312 transitions. [2019-11-28 00:23:01,342 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 312 transitions. Word has length 31 [2019-11-28 00:23:01,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:01,342 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 312 transitions. [2019-11-28 00:23:01,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:01,343 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 312 transitions. [2019-11-28 00:23:01,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 00:23:01,344 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:01,345 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] [2019-11-28 00:23:01,345 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:01,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:01,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1539923994, now seen corresponding path program 1 times [2019-11-28 00:23:01,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:01,346 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234379727] [2019-11-28 00:23:01,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:01,388 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 00:23:01,389 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234379727] [2019-11-28 00:23:01,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:01,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:23:01,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073368844] [2019-11-28 00:23:01,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 00:23:01,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:01,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 00:23:01,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:23:01,391 INFO L87 Difference]: Start difference. First operand 228 states and 312 transitions. Second operand 4 states. [2019-11-28 00:23:01,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:01,447 INFO L93 Difference]: Finished difference Result 508 states and 691 transitions. [2019-11-28 00:23:01,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 00:23:01,447 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-28 00:23:01,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:01,450 INFO L225 Difference]: With dead ends: 508 [2019-11-28 00:23:01,450 INFO L226 Difference]: Without dead ends: 286 [2019-11-28 00:23:01,451 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:01,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-11-28 00:23:01,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 197. [2019-11-28 00:23:01,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-28 00:23:01,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 264 transitions. [2019-11-28 00:23:01,470 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 264 transitions. Word has length 31 [2019-11-28 00:23:01,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:01,471 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 264 transitions. [2019-11-28 00:23:01,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 00:23:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 264 transitions. [2019-11-28 00:23:01,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 00:23:01,472 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:01,472 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] [2019-11-28 00:23:01,473 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:01,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:01,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1798089432, now seen corresponding path program 1 times [2019-11-28 00:23:01,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:01,474 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640813362] [2019-11-28 00:23:01,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:01,538 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 00:23:01,538 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640813362] [2019-11-28 00:23:01,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:01,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:01,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722491355] [2019-11-28 00:23:01,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:01,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:01,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:01,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:01,540 INFO L87 Difference]: Start difference. First operand 197 states and 264 transitions. Second operand 5 states. [2019-11-28 00:23:01,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:01,751 INFO L93 Difference]: Finished difference Result 761 states and 1046 transitions. [2019-11-28 00:23:01,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:23:01,752 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-28 00:23:01,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:01,756 INFO L225 Difference]: With dead ends: 761 [2019-11-28 00:23:01,756 INFO L226 Difference]: Without dead ends: 620 [2019-11-28 00:23:01,757 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:23:01,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2019-11-28 00:23:01,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 282. [2019-11-28 00:23:01,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-28 00:23:01,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 373 transitions. [2019-11-28 00:23:01,821 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 373 transitions. Word has length 31 [2019-11-28 00:23:01,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:01,821 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 373 transitions. [2019-11-28 00:23:01,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:01,822 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 373 transitions. [2019-11-28 00:23:01,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-28 00:23:01,824 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:01,824 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:01,824 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:01,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:01,825 INFO L82 PathProgramCache]: Analyzing trace with hash -860512174, now seen corresponding path program 1 times [2019-11-28 00:23:01,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:01,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276546292] [2019-11-28 00:23:01,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:01,878 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 00:23:01,878 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276546292] [2019-11-28 00:23:01,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:01,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:01,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053720775] [2019-11-28 00:23:01,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:01,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:01,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:01,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:01,880 INFO L87 Difference]: Start difference. First operand 282 states and 373 transitions. Second operand 3 states. [2019-11-28 00:23:01,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:01,950 INFO L93 Difference]: Finished difference Result 481 states and 636 transitions. [2019-11-28 00:23:01,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:01,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2019-11-28 00:23:01,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:01,952 INFO L225 Difference]: With dead ends: 481 [2019-11-28 00:23:01,952 INFO L226 Difference]: Without dead ends: 205 [2019-11-28 00:23:01,953 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 00:23:01,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2019-11-28 00:23:01,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 199. [2019-11-28 00:23:01,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-11-28 00:23:01,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 260 transitions. [2019-11-28 00:23:01,979 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 260 transitions. Word has length 49 [2019-11-28 00:23:01,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:01,981 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 260 transitions. [2019-11-28 00:23:01,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:01,982 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 260 transitions. [2019-11-28 00:23:01,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-28 00:23:01,983 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:01,983 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:01,984 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:01,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:01,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1573662553, now seen corresponding path program 1 times [2019-11-28 00:23:01,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:01,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324366322] [2019-11-28 00:23:01,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:02,077 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:02,077 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324366322] [2019-11-28 00:23:02,077 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5969741] [2019-11-28 00:23:02,078 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 00:23:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:02,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 00:23:02,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:23:02,283 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:02,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:23:02,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2019-11-28 00:23:02,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965904759] [2019-11-28 00:23:02,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 00:23:02,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:02,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 00:23:02,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:23:02,286 INFO L87 Difference]: Start difference. First operand 199 states and 260 transitions. Second operand 8 states. [2019-11-28 00:23:02,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:02,556 INFO L93 Difference]: Finished difference Result 738 states and 990 transitions. [2019-11-28 00:23:02,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 00:23:02,557 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2019-11-28 00:23:02,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:02,561 INFO L225 Difference]: With dead ends: 738 [2019-11-28 00:23:02,561 INFO L226 Difference]: Without dead ends: 587 [2019-11-28 00:23:02,562 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2019-11-28 00:23:02,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2019-11-28 00:23:02,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 272. [2019-11-28 00:23:02,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2019-11-28 00:23:02,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 359 transitions. [2019-11-28 00:23:02,595 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 359 transitions. Word has length 52 [2019-11-28 00:23:02,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:02,595 INFO L462 AbstractCegarLoop]: Abstraction has 272 states and 359 transitions. [2019-11-28 00:23:02,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 00:23:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 359 transitions. [2019-11-28 00:23:02,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-28 00:23:02,597 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:02,597 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:02,803 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:02,803 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:02,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:02,804 INFO L82 PathProgramCache]: Analyzing trace with hash -5787080, now seen corresponding path program 2 times [2019-11-28 00:23:02,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:02,805 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62954326] [2019-11-28 00:23:02,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:02,938 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 00:23:02,939 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62954326] [2019-11-28 00:23:02,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:02,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:02,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996156226] [2019-11-28 00:23:02,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:02,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:02,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:02,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:02,941 INFO L87 Difference]: Start difference. First operand 272 states and 359 transitions. Second operand 5 states. [2019-11-28 00:23:03,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:03,120 INFO L93 Difference]: Finished difference Result 809 states and 1083 transitions. [2019-11-28 00:23:03,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:23:03,120 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-11-28 00:23:03,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:03,125 INFO L225 Difference]: With dead ends: 809 [2019-11-28 00:23:03,125 INFO L226 Difference]: Without dead ends: 584 [2019-11-28 00:23:03,126 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:03,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2019-11-28 00:23:03,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 376. [2019-11-28 00:23:03,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2019-11-28 00:23:03,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 496 transitions. [2019-11-28 00:23:03,167 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 496 transitions. Word has length 73 [2019-11-28 00:23:03,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:03,169 INFO L462 AbstractCegarLoop]: Abstraction has 376 states and 496 transitions. [2019-11-28 00:23:03,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:03,169 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 496 transitions. [2019-11-28 00:23:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-28 00:23:03,171 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:03,172 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:03,172 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:03,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:03,173 INFO L82 PathProgramCache]: Analyzing trace with hash 268972534, now seen corresponding path program 1 times [2019-11-28 00:23:03,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:03,174 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79059604] [2019-11-28 00:23:03,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-28 00:23:03,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79059604] [2019-11-28 00:23:03,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516907900] [2019-11-28 00:23:03,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:03,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 00:23:03,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:23:03,546 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 00:23:03,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:23:03,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-11-28 00:23:03,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957949505] [2019-11-28 00:23:03,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:03,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:03,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:03,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:23:03,550 INFO L87 Difference]: Start difference. First operand 376 states and 496 transitions. Second operand 5 states. [2019-11-28 00:23:03,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:03,641 INFO L93 Difference]: Finished difference Result 720 states and 947 transitions. [2019-11-28 00:23:03,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:23:03,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-11-28 00:23:03,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:03,642 INFO L225 Difference]: With dead ends: 720 [2019-11-28 00:23:03,642 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:23:03,644 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:23:03,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:23:03,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:23:03,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:23:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:23:03,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2019-11-28 00:23:03,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:03,646 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:23:03,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:03,647 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:23:03,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:23:03,855 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:03,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:23:04,249 WARN L192 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 136 [2019-11-28 00:23:04,395 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2019-11-28 00:23:04,761 WARN L192 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 137 [2019-11-28 00:23:05,041 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 129 [2019-11-28 00:23:05,329 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 129 [2019-11-28 00:23:05,740 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 140 [2019-11-28 00:23:05,974 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2019-11-28 00:23:06,827 WARN L192 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 22 [2019-11-28 00:23:07,143 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 20 [2019-11-28 00:23:07,854 WARN L192 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 24 [2019-11-28 00:23:08,628 WARN L192 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 25 [2019-11-28 00:23:09,407 WARN L192 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 25 [2019-11-28 00:23:09,816 WARN L192 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 21 [2019-11-28 00:23:09,983 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 17 [2019-11-28 00:23:10,766 WARN L192 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 24 [2019-11-28 00:23:11,119 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 14 [2019-11-28 00:23:11,447 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 23 [2019-11-28 00:23:11,454 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-11-28 00:23:11,454 INFO L246 CegarLoopResult]: For program point L400(lines 400 406) no Hoare annotation was computed. [2019-11-28 00:23:11,454 INFO L242 CegarLoopResult]: At program point L400-1(lines 400 406) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2))) [2019-11-28 00:23:11,454 INFO L246 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2019-11-28 00:23:11,454 INFO L246 CegarLoopResult]: For program point L202-1(lines 202 210) no Hoare annotation was computed. [2019-11-28 00:23:11,454 INFO L242 CegarLoopResult]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-11-28 00:23:11,455 INFO L246 CegarLoopResult]: For program point L202-2(lines 202 210) no Hoare annotation was computed. [2019-11-28 00:23:11,455 INFO L242 CegarLoopResult]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-11-28 00:23:11,455 INFO L246 CegarLoopResult]: For program point L202-3(lines 202 210) no Hoare annotation was computed. [2019-11-28 00:23:11,455 INFO L242 CegarLoopResult]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-11-28 00:23:11,456 INFO L246 CegarLoopResult]: For program point L202-4(lines 202 210) no Hoare annotation was computed. [2019-11-28 00:23:11,456 INFO L242 CegarLoopResult]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-11-28 00:23:11,456 INFO L246 CegarLoopResult]: For program point L202-5(lines 202 210) no Hoare annotation was computed. [2019-11-28 00:23:11,456 INFO L242 CegarLoopResult]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-11-28 00:23:11,456 INFO L242 CegarLoopResult]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-11-28 00:23:11,456 INFO L246 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2019-11-28 00:23:11,457 INFO L246 CegarLoopResult]: For program point L830-1(lines 166 172) no Hoare annotation was computed. [2019-11-28 00:23:11,457 INFO L242 CegarLoopResult]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and .cse4 (<= 1 ~waterLevel~0) .cse0 .cse1) (and .cse4 .cse3 .cse1))) [2019-11-28 00:23:11,457 INFO L242 CegarLoopResult]: At program point L173-1(lines 173 179) the Hoare annotation is: false [2019-11-28 00:23:11,457 INFO L242 CegarLoopResult]: At program point L173-2(lines 173 179) the Hoare annotation is: false [2019-11-28 00:23:11,457 INFO L246 CegarLoopResult]: For program point L966(lines 966 979) no Hoare annotation was computed. [2019-11-28 00:23:11,457 INFO L242 CegarLoopResult]: At program point L966-1(lines 1 982) the Hoare annotation is: (let ((.cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 .cse2 (<= 1 ~waterLevel~0) .cse4 .cse3 (= 0 ~systemActive~0)) (and .cse0 (= 1 ~waterLevel~0) .cse4 .cse3))) [2019-11-28 00:23:11,458 INFO L246 CegarLoopResult]: For program point L900(lines 900 907) no Hoare annotation was computed. [2019-11-28 00:23:11,458 INFO L246 CegarLoopResult]: For program point L966-2(lines 966 979) no Hoare annotation was computed. [2019-11-28 00:23:11,458 INFO L242 CegarLoopResult]: At program point L966-3(lines 1 982) the Hoare annotation is: false [2019-11-28 00:23:11,458 INFO L249 CegarLoopResult]: At program point L900-1(lines 900 907) the Hoare annotation is: true [2019-11-28 00:23:11,458 INFO L246 CegarLoopResult]: For program point L966-4(lines 966 979) no Hoare annotation was computed. [2019-11-28 00:23:11,458 INFO L242 CegarLoopResult]: At program point L966-5(lines 1 982) the Hoare annotation is: false [2019-11-28 00:23:11,458 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-11-28 00:23:11,458 INFO L242 CegarLoopResult]: At program point L440(lines 389 441) the Hoare annotation is: false [2019-11-28 00:23:11,459 INFO L242 CegarLoopResult]: At program point L936(lines 1 982) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:11,459 INFO L246 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-11-28 00:23:11,459 INFO L246 CegarLoopResult]: For program point L970(lines 970 976) no Hoare annotation was computed. [2019-11-28 00:23:11,459 INFO L246 CegarLoopResult]: For program point L970-2(lines 970 976) no Hoare annotation was computed. [2019-11-28 00:23:11,459 INFO L246 CegarLoopResult]: For program point L970-4(lines 970 976) no Hoare annotation was computed. [2019-11-28 00:23:11,459 INFO L242 CegarLoopResult]: At program point L277(lines 272 280) the Hoare annotation is: false [2019-11-28 00:23:11,459 INFO L242 CegarLoopResult]: At program point L277-1(lines 272 280) the Hoare annotation is: false [2019-11-28 00:23:11,459 INFO L242 CegarLoopResult]: At program point L277-2(lines 272 280) the Hoare annotation is: false [2019-11-28 00:23:11,460 INFO L246 CegarLoopResult]: For program point L410(lines 410 416) no Hoare annotation was computed. [2019-11-28 00:23:11,460 INFO L242 CegarLoopResult]: At program point L410-1(lines 410 416) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2))) [2019-11-28 00:23:11,460 INFO L242 CegarLoopResult]: At program point L146(lines 141 149) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:11,460 INFO L242 CegarLoopResult]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-11-28 00:23:11,460 INFO L242 CegarLoopResult]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-11-28 00:23:11,460 INFO L246 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2019-11-28 00:23:11,460 INFO L246 CegarLoopResult]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2019-11-28 00:23:11,460 INFO L246 CegarLoopResult]: For program point L345-3(lines 345 349) no Hoare annotation was computed. [2019-11-28 00:23:11,461 INFO L246 CegarLoopResult]: For program point L345-5(lines 345 349) no Hoare annotation was computed. [2019-11-28 00:23:11,461 INFO L246 CegarLoopResult]: For program point L345-6(lines 345 349) no Hoare annotation was computed. [2019-11-28 00:23:11,461 INFO L246 CegarLoopResult]: For program point L345-8(lines 345 349) no Hoare annotation was computed. [2019-11-28 00:23:11,461 INFO L242 CegarLoopResult]: At program point L874(lines 870 876) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:11,461 INFO L249 CegarLoopResult]: At program point L909(lines 890 912) the Hoare annotation is: true [2019-11-28 00:23:11,461 INFO L242 CegarLoopResult]: At program point L944(lines 939 947) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:11,461 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:23:11,461 INFO L242 CegarLoopResult]: At program point L351(lines 336 354) the Hoare annotation is: (and (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1) (= 1 ~systemActive~0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~3) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:11,462 INFO L242 CegarLoopResult]: At program point L351-1(lines 336 354) the Hoare annotation is: false [2019-11-28 00:23:11,462 INFO L242 CegarLoopResult]: At program point L351-2(lines 336 354) the Hoare annotation is: false [2019-11-28 00:23:11,462 INFO L246 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-11-28 00:23:11,462 INFO L246 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-11-28 00:23:11,462 INFO L246 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-11-28 00:23:11,462 INFO L246 CegarLoopResult]: For program point L420(lines 420 435) no Hoare annotation was computed. [2019-11-28 00:23:11,462 INFO L242 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse4) (and .cse1 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)))) [2019-11-28 00:23:11,462 INFO L242 CegarLoopResult]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2019-11-28 00:23:11,463 INFO L242 CegarLoopResult]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2019-11-28 00:23:11,463 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:23:11,463 INFO L246 CegarLoopResult]: For program point L224(lines 224 241) no Hoare annotation was computed. [2019-11-28 00:23:11,463 INFO L246 CegarLoopResult]: For program point L224-1(lines 224 241) no Hoare annotation was computed. [2019-11-28 00:23:11,463 INFO L246 CegarLoopResult]: For program point L224-2(lines 224 241) no Hoare annotation was computed. [2019-11-28 00:23:11,463 INFO L246 CegarLoopResult]: For program point L391(lines 390 439) no Hoare annotation was computed. [2019-11-28 00:23:11,463 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:23:11,463 INFO L246 CegarLoopResult]: For program point L953(line 953) no Hoare annotation was computed. [2019-11-28 00:23:11,463 INFO L246 CegarLoopResult]: For program point L953-1(line 953) no Hoare annotation was computed. [2019-11-28 00:23:11,464 INFO L246 CegarLoopResult]: For program point L953-2(line 953) no Hoare annotation was computed. [2019-11-28 00:23:11,464 INFO L246 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2019-11-28 00:23:11,464 INFO L246 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2019-11-28 00:23:11,464 INFO L242 CegarLoopResult]: At program point L359-1(lines 359 365) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 1 ~waterLevel~0) .cse0 .cse1))) [2019-11-28 00:23:11,464 INFO L246 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:23:11,464 INFO L246 CegarLoopResult]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:23:11,464 INFO L246 CegarLoopResult]: For program point L326-3(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:23:11,464 INFO L246 CegarLoopResult]: For program point L326-5(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:23:11,464 INFO L246 CegarLoopResult]: For program point L326-6(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:23:11,465 INFO L246 CegarLoopResult]: For program point L326-8(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:23:11,465 INFO L246 CegarLoopResult]: For program point L326-9(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:23:11,465 INFO L246 CegarLoopResult]: For program point L326-11(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:23:11,465 INFO L246 CegarLoopResult]: For program point L326-12(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:23:11,465 INFO L246 CegarLoopResult]: For program point L326-14(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:23:11,465 INFO L246 CegarLoopResult]: For program point L326-15(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:23:11,465 INFO L246 CegarLoopResult]: For program point L326-17(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:23:11,465 INFO L246 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2019-11-28 00:23:11,465 INFO L246 CegarLoopResult]: For program point L228-1(lines 228 236) no Hoare annotation was computed. [2019-11-28 00:23:11,466 INFO L246 CegarLoopResult]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2019-11-28 00:23:11,466 INFO L246 CegarLoopResult]: For program point L428(lines 428 434) no Hoare annotation was computed. [2019-11-28 00:23:11,466 INFO L242 CegarLoopResult]: At program point L428-1(lines 166 172) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and .cse4 (<= 1 ~waterLevel~0) .cse0 .cse1) (and .cse4 .cse3 .cse1))) [2019-11-28 00:23:11,466 INFO L246 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:23:11,466 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:23:11,466 INFO L246 CegarLoopResult]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:23:11,466 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:23:11,466 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:23:11,467 INFO L246 CegarLoopResult]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:23:11,467 INFO L246 CegarLoopResult]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:23:11,467 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-11-28 00:23:11,467 INFO L246 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2019-11-28 00:23:11,467 INFO L246 CegarLoopResult]: For program point L198-1(lines 198 215) no Hoare annotation was computed. [2019-11-28 00:23:11,467 INFO L246 CegarLoopResult]: For program point L198-2(lines 198 215) no Hoare annotation was computed. [2019-11-28 00:23:11,467 INFO L246 CegarLoopResult]: For program point L198-3(lines 198 215) no Hoare annotation was computed. [2019-11-28 00:23:11,467 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-11-28 00:23:11,468 INFO L246 CegarLoopResult]: For program point L198-4(lines 198 215) no Hoare annotation was computed. [2019-11-28 00:23:11,468 INFO L246 CegarLoopResult]: For program point L198-5(lines 198 215) no Hoare annotation was computed. [2019-11-28 00:23:11,468 INFO L242 CegarLoopResult]: At program point L826-2(lines 826 840) the Hoare annotation is: false [2019-11-28 00:23:11,468 INFO L242 CegarLoopResult]: At program point L166(lines 165 184) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) .cse1))) [2019-11-28 00:23:11,468 INFO L246 CegarLoopResult]: For program point L166-1(lines 166 172) no Hoare annotation was computed. [2019-11-28 00:23:11,468 INFO L242 CegarLoopResult]: At program point L166-2(lines 165 184) the Hoare annotation is: false [2019-11-28 00:23:11,468 INFO L242 CegarLoopResult]: At program point L166-3(lines 165 184) the Hoare annotation is: false [2019-11-28 00:23:11,468 INFO L246 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2019-11-28 00:23:11,468 INFO L242 CegarLoopResult]: At program point L332(lines 317 335) the Hoare annotation is: false [2019-11-28 00:23:11,469 INFO L242 CegarLoopResult]: At program point L332-1(lines 317 335) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-11-28 00:23:11,469 INFO L242 CegarLoopResult]: At program point L332-2(lines 317 335) the Hoare annotation is: false [2019-11-28 00:23:11,469 INFO L242 CegarLoopResult]: At program point L332-3(lines 317 335) the Hoare annotation is: false [2019-11-28 00:23:11,469 INFO L242 CegarLoopResult]: At program point L332-4(lines 317 335) the Hoare annotation is: false [2019-11-28 00:23:11,469 INFO L242 CegarLoopResult]: At program point L332-5(lines 317 335) the Hoare annotation is: false [2019-11-28 00:23:11,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:23:11 BoogieIcfgContainer [2019-11-28 00:23:11,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:23:11,499 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:23:11,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:23:11,500 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:23:11,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:59" (3/4) ... [2019-11-28 00:23:11,504 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:23:11,526 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:23:11,527 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:23:11,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:23:11,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:23:11,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:23:11,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:11,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:11,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= tmp) && 2 <= waterLevel) && 1 <= \result) && 0 == splverifierCounter) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:11,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) [2019-11-28 00:23:11,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) [2019-11-28 00:23:11,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 <= \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) [2019-11-28 00:23:11,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-28 00:23:11,570 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:11,570 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= tmp___0 && 1 == systemActive) && 0 == tmp) && 0 == \result) && 1 <= \result) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-28 00:23:11,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:11,652 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:23:11,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:23:11,653 INFO L168 Benchmark]: Toolchain (without parser) took 14276.13 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 346.6 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -123.7 MB). Peak memory consumption was 222.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:11,654 INFO L168 Benchmark]: CDTParser took 0.20 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 00:23:11,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -102.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:11,655 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:11,655 INFO L168 Benchmark]: Boogie Preprocessor took 49.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:23:11,655 INFO L168 Benchmark]: RCFGBuilder took 1067.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 990.0 MB in the end (delta: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:11,656 INFO L168 Benchmark]: TraceAbstraction took 12198.15 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 260.0 MB). Free memory was 990.0 MB in the beginning and 1.1 GB in the end (delta: -105.7 MB). Peak memory consumption was 401.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:11,656 INFO L168 Benchmark]: Witness Printer took 152.53 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:11,658 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 709.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -102.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1067.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 990.0 MB in the end (delta: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12198.15 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 260.0 MB). Free memory was 990.0 MB in the beginning and 1.1 GB in the end (delta: -105.7 MB). Peak memory consumption was 401.4 MB. Max. memory is 11.5 GB. * Witness Printer took 152.53 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: 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: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 <= \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (((((1 <= tmp___0 && 1 == systemActive) && 0 == tmp) && 0 == \result) && 1 <= \result) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= tmp) && 2 <= waterLevel) && 1 <= \result) && 0 == splverifierCounter) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 3 error locations. Result: SAFE, OverallTime: 4.4s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.5s, HoareTripleCheckerStatistics: 1402 SDtfs, 1880 SDslu, 2373 SDs, 0 SdLazy, 336 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 214 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=376occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1473 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 184 NumberOfFragments, 522 HoareAnnotationTreeSize, 44 FomulaSimplifications, 803143 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 148390 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 595 NumberOfCodeBlocks, 595 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 580 ConstructedInterpolants, 0 QuantifiedInterpolants, 43278 SizeOfPredicates, 8 NumberOfNonLiveVariables, 865 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 181/189 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...