./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f6fb2bb1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product38.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 023bd19a3cee0a73a15679923c85e228e629b6a0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 18:57:58,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 18:57:58,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 18:57:58,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 18:57:58,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 18:57:58,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 18:57:58,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 18:57:58,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 18:57:58,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 18:57:58,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 18:57:58,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 18:57:58,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 18:57:58,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 18:57:58,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 18:57:58,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 18:57:58,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 18:57:58,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 18:57:58,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 18:57:58,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 18:57:58,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 18:57:58,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 18:57:58,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 18:57:58,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 18:57:58,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 18:57:58,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 18:57:58,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 18:57:58,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 18:57:58,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 18:57:58,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 18:57:58,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 18:57:58,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 18:57:58,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 18:57:58,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 18:57:58,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 18:57:58,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 18:57:58,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 18:57:58,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 18:57:58,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 18:57:58,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 18:57:58,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 18:57:58,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 18:57:58,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 18:57:58,698 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 18:57:58,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 18:57:58,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 18:57:58,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 18:57:58,707 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 18:57:58,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 18:57:58,708 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 18:57:58,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 18:57:58,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 18:57:58,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 18:57:58,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 18:57:58,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 18:57:58,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 18:57:58,710 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 18:57:58,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 18:57:58,711 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 18:57:58,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 18:57:58,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 18:57:58,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 18:57:58,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 18:57:58,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 18:57:58,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:57:58,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 18:57:58,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 18:57:58,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 18:57:58,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 18:57:58,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 18:57:58,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 18:57:58,715 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 -> 023bd19a3cee0a73a15679923c85e228e629b6a0 [2019-11-19 18:57:59,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 18:57:59,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 18:57:59,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 18:57:59,060 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 18:57:59,060 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 18:57:59,062 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2019-11-19 18:57:59,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbfe45904/70b7e86bfbe849728fa05c37f4960cde/FLAGbbad94339 [2019-11-19 18:57:59,696 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 18:57:59,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2019-11-19 18:57:59,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbfe45904/70b7e86bfbe849728fa05c37f4960cde/FLAGbbad94339 [2019-11-19 18:57:59,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbfe45904/70b7e86bfbe849728fa05c37f4960cde [2019-11-19 18:57:59,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 18:57:59,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 18:57:59,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 18:57:59,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 18:58:00,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 18:58:00,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:57:59" (1/1) ... [2019-11-19 18:58:00,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b755b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:00, skipping insertion in model container [2019-11-19 18:58:00,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:57:59" (1/1) ... [2019-11-19 18:58:00,016 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 18:58:00,080 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 18:58:00,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:58:00,643 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 18:58:00,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:58:00,795 INFO L192 MainTranslator]: Completed translation [2019-11-19 18:58:00,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:00 WrapperNode [2019-11-19 18:58:00,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 18:58:00,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 18:58:00,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 18:58:00,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 18:58:00,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:00" (1/1) ... [2019-11-19 18:58:00,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:00" (1/1) ... [2019-11-19 18:58:00,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 18:58:00,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 18:58:00,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 18:58:00,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 18:58:00,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:00" (1/1) ... [2019-11-19 18:58:00,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:00" (1/1) ... [2019-11-19 18:58:00,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:00" (1/1) ... [2019-11-19 18:58:00,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:00" (1/1) ... [2019-11-19 18:58:00,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:00" (1/1) ... [2019-11-19 18:58:00,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:00" (1/1) ... [2019-11-19 18:58:00,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:00" (1/1) ... [2019-11-19 18:58:00,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 18:58:00,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 18:58:00,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 18:58:00,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 18:58:00,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:00" (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 [2019-11-19 18:58:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 18:58:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 18:58:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 18:58:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 18:58:01,927 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 18:58:01,927 INFO L285 CfgBuilder]: Removed 172 assume(true) statements. [2019-11-19 18:58:01,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:58:01 BoogieIcfgContainer [2019-11-19 18:58:01,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 18:58:01,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 18:58:01,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 18:58:01,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 18:58:01,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:57:59" (1/3) ... [2019-11-19 18:58:01,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58de89f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:58:01, skipping insertion in model container [2019-11-19 18:58:01,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:00" (2/3) ... [2019-11-19 18:58:01,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58de89f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:58:01, skipping insertion in model container [2019-11-19 18:58:01,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:58:01" (3/3) ... [2019-11-19 18:58:01,940 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2019-11-19 18:58:01,951 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 18:58:01,959 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 18:58:01,969 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 18:58:01,992 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 18:58:01,992 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 18:58:01,992 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 18:58:01,993 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 18:58:01,993 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 18:58:01,993 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 18:58:01,993 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 18:58:01,993 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 18:58:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2019-11-19 18:58:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 18:58:02,019 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:02,020 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:02,021 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:02,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:02,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1109177434, now seen corresponding path program 1 times [2019-11-19 18:58:02,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:02,037 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81582972] [2019-11-19 18:58:02,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:02,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:02,353 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81582972] [2019-11-19 18:58:02,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:02,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:58:02,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095363432] [2019-11-19 18:58:02,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 18:58:02,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:02,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 18:58:02,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:58:02,380 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2019-11-19 18:58:02,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:02,417 INFO L93 Difference]: Finished difference Result 233 states and 352 transitions. [2019-11-19 18:58:02,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 18:58:02,419 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-19 18:58:02,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:02,433 INFO L225 Difference]: With dead ends: 233 [2019-11-19 18:58:02,434 INFO L226 Difference]: Without dead ends: 116 [2019-11-19 18:58:02,438 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 [2019-11-19 18:58:02,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-19 18:58:02,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-11-19 18:58:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-19 18:58:02,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2019-11-19 18:58:02,491 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2019-11-19 18:58:02,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:02,492 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2019-11-19 18:58:02,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 18:58:02,492 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2019-11-19 18:58:02,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 18:58:02,493 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:02,494 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:02,494 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:02,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:02,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1379770309, now seen corresponding path program 1 times [2019-11-19 18:58:02,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:02,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854342973] [2019-11-19 18:58:02,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:02,636 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854342973] [2019-11-19 18:58:02,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:02,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 18:58:02,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880716836] [2019-11-19 18:58:02,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:58:02,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:02,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:58:02,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:02,641 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand 3 states. [2019-11-19 18:58:02,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:02,670 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2019-11-19 18:58:02,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:58:02,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-19 18:58:02,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:02,675 INFO L225 Difference]: With dead ends: 116 [2019-11-19 18:58:02,675 INFO L226 Difference]: Without dead ends: 49 [2019-11-19 18:58:02,676 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 [2019-11-19 18:58:02,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-19 18:58:02,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-19 18:58:02,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-19 18:58:02,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-11-19 18:58:02,684 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2019-11-19 18:58:02,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:02,685 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-11-19 18:58:02,685 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:58:02,685 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-11-19 18:58:02,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 18:58:02,686 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:02,686 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] [2019-11-19 18:58:02,687 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:02,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:02,687 INFO L82 PathProgramCache]: Analyzing trace with hash 872222713, now seen corresponding path program 1 times [2019-11-19 18:58:02,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:02,688 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955805513] [2019-11-19 18:58:02,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:02,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:02,853 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955805513] [2019-11-19 18:58:02,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:02,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 18:58:02,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67135913] [2019-11-19 18:58:02,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:58:02,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:02,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:58:02,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:58:02,858 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 5 states. [2019-11-19 18:58:02,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:02,953 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2019-11-19 18:58:02,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 18:58:02,957 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-19 18:58:02,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:02,959 INFO L225 Difference]: With dead ends: 91 [2019-11-19 18:58:02,959 INFO L226 Difference]: Without dead ends: 49 [2019-11-19 18:58:02,962 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 [2019-11-19 18:58:02,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-19 18:58:02,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-19 18:58:02,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-19 18:58:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2019-11-19 18:58:02,978 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2019-11-19 18:58:02,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:02,978 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2019-11-19 18:58:02,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:58:02,978 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2019-11-19 18:58:02,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 18:58:02,982 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:02,982 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] [2019-11-19 18:58:02,982 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:02,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:02,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1991893424, now seen corresponding path program 1 times [2019-11-19 18:58:02,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:02,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341448968] [2019-11-19 18:58:02,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:03,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341448968] [2019-11-19 18:58:03,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:03,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:58:03,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306790241] [2019-11-19 18:58:03,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:58:03,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:03,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:58:03,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:03,102 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand 3 states. [2019-11-19 18:58:03,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:03,142 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2019-11-19 18:58:03,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:58:03,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-19 18:58:03,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:03,144 INFO L225 Difference]: With dead ends: 115 [2019-11-19 18:58:03,144 INFO L226 Difference]: Without dead ends: 73 [2019-11-19 18:58:03,145 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 [2019-11-19 18:58:03,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-19 18:58:03,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2019-11-19 18:58:03,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-19 18:58:03,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-11-19 18:58:03,156 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2019-11-19 18:58:03,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:03,157 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-19 18:58:03,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:58:03,157 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-11-19 18:58:03,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 18:58:03,158 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:03,159 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:03,159 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:03,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:03,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1071015423, now seen corresponding path program 1 times [2019-11-19 18:58:03,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:03,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296580238] [2019-11-19 18:58:03,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:03,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:03,235 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296580238] [2019-11-19 18:58:03,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:03,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 18:58:03,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103256917] [2019-11-19 18:58:03,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:58:03,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:03,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:58:03,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:58:03,238 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 5 states. [2019-11-19 18:58:03,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:03,348 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2019-11-19 18:58:03,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 18:58:03,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-19 18:58:03,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:03,351 INFO L225 Difference]: With dead ends: 190 [2019-11-19 18:58:03,352 INFO L226 Difference]: Without dead ends: 126 [2019-11-19 18:58:03,352 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 [2019-11-19 18:58:03,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-19 18:58:03,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2019-11-19 18:58:03,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-19 18:58:03,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2019-11-19 18:58:03,364 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2019-11-19 18:58:03,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:03,365 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2019-11-19 18:58:03,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:58:03,365 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2019-11-19 18:58:03,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 18:58:03,366 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:03,367 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:03,367 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:03,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:03,367 INFO L82 PathProgramCache]: Analyzing trace with hash 2004479132, now seen corresponding path program 1 times [2019-11-19 18:58:03,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:03,368 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881078959] [2019-11-19 18:58:03,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:03,438 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881078959] [2019-11-19 18:58:03,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:03,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 18:58:03,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775846903] [2019-11-19 18:58:03,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:58:03,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:03,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:58:03,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:58:03,440 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand 5 states. [2019-11-19 18:58:03,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:03,593 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2019-11-19 18:58:03,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 18:58:03,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-19 18:58:03,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:03,596 INFO L225 Difference]: With dead ends: 260 [2019-11-19 18:58:03,596 INFO L226 Difference]: Without dead ends: 190 [2019-11-19 18:58:03,597 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 [2019-11-19 18:58:03,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-11-19 18:58:03,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2019-11-19 18:58:03,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-19 18:58:03,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2019-11-19 18:58:03,630 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2019-11-19 18:58:03,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:03,631 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2019-11-19 18:58:03,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:58:03,631 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2019-11-19 18:58:03,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 18:58:03,635 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:03,636 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:03,636 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:03,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:03,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1772080001, now seen corresponding path program 1 times [2019-11-19 18:58:03,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:03,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420962703] [2019-11-19 18:58:03,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:03,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:03,711 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420962703] [2019-11-19 18:58:03,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:03,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 18:58:03,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330243853] [2019-11-19 18:58:03,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 18:58:03,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:03,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 18:58:03,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 18:58:03,714 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand 4 states. [2019-11-19 18:58:03,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:03,793 INFO L93 Difference]: Finished difference Result 177 states and 238 transitions. [2019-11-19 18:58:03,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 18:58:03,794 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-11-19 18:58:03,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:03,795 INFO L225 Difference]: With dead ends: 177 [2019-11-19 18:58:03,795 INFO L226 Difference]: Without dead ends: 108 [2019-11-19 18:58:03,796 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 [2019-11-19 18:58:03,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-19 18:58:03,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 80. [2019-11-19 18:58:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-11-19 18:58:03,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2019-11-19 18:58:03,809 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2019-11-19 18:58:03,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:03,810 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2019-11-19 18:58:03,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 18:58:03,810 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2019-11-19 18:58:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 18:58:03,812 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:03,812 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:03,813 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:03,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:03,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1185273987, now seen corresponding path program 1 times [2019-11-19 18:58:03,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:03,815 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570710351] [2019-11-19 18:58:03,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:03,885 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570710351] [2019-11-19 18:58:03,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:03,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:58:03,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709189757] [2019-11-19 18:58:03,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:58:03,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:03,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:58:03,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:03,889 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand 3 states. [2019-11-19 18:58:03,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:03,919 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2019-11-19 18:58:03,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:58:03,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-19 18:58:03,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:03,922 INFO L225 Difference]: With dead ends: 181 [2019-11-19 18:58:03,922 INFO L226 Difference]: Without dead ends: 108 [2019-11-19 18:58:03,922 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:03,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-19 18:58:03,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-11-19 18:58:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-19 18:58:03,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2019-11-19 18:58:03,938 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 34 [2019-11-19 18:58:03,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:03,940 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2019-11-19 18:58:03,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:58:03,940 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2019-11-19 18:58:03,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 18:58:03,944 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:03,944 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:03,944 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:03,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:03,945 INFO L82 PathProgramCache]: Analyzing trace with hash -210672189, now seen corresponding path program 1 times [2019-11-19 18:58:03,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:03,948 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431596064] [2019-11-19 18:58:03,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:04,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431596064] [2019-11-19 18:58:04,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:04,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 18:58:04,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066625526] [2019-11-19 18:58:04,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 18:58:04,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:04,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 18:58:04,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 18:58:04,086 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand 6 states. [2019-11-19 18:58:04,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:04,371 INFO L93 Difference]: Finished difference Result 405 states and 539 transitions. [2019-11-19 18:58:04,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 18:58:04,372 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-19 18:58:04,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:04,375 INFO L225 Difference]: With dead ends: 405 [2019-11-19 18:58:04,375 INFO L226 Difference]: Without dead ends: 332 [2019-11-19 18:58:04,376 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-19 18:58:04,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2019-11-19 18:58:04,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 153. [2019-11-19 18:58:04,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-19 18:58:04,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 196 transitions. [2019-11-19 18:58:04,403 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 196 transitions. Word has length 35 [2019-11-19 18:58:04,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:04,404 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 196 transitions. [2019-11-19 18:58:04,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 18:58:04,405 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 196 transitions. [2019-11-19 18:58:04,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 18:58:04,412 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:04,413 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:04,413 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:04,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:04,414 INFO L82 PathProgramCache]: Analyzing trace with hash 681323361, now seen corresponding path program 1 times [2019-11-19 18:58:04,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:04,415 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417008684] [2019-11-19 18:58:04,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:04,543 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:04,544 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417008684] [2019-11-19 18:58:04,545 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908377956] [2019-11-19 18:58:04,546 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 [2019-11-19 18:58:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:04,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 18:58:04,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:58:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:04,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 18:58:04,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-19 18:58:04,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267126538] [2019-11-19 18:58:04,756 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 18:58:04,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:04,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 18:58:04,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-19 18:58:04,757 INFO L87 Difference]: Start difference. First operand 153 states and 196 transitions. Second operand 8 states. [2019-11-19 18:58:04,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:04,940 INFO L93 Difference]: Finished difference Result 308 states and 411 transitions. [2019-11-19 18:58:04,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 18:58:04,941 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-11-19 18:58:04,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:04,942 INFO L225 Difference]: With dead ends: 308 [2019-11-19 18:58:04,942 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 18:58:04,943 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-19 18:58:04,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 18:58:04,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 18:58:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 18:58:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 18:58:04,943 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-11-19 18:58:04,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:04,946 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 18:58:04,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 18:58:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 18:58:04,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 18:58:05,151 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 18:58:05,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 18:58:05,956 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2019-11-19 18:58:06,130 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2019-11-19 18:58:06,347 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2019-11-19 18:58:06,534 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 24 [2019-11-19 18:58:06,824 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2019-11-19 18:58:07,127 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2019-11-19 18:58:07,418 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 33 [2019-11-19 18:58:07,599 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2019-11-19 18:58:07,890 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2019-11-19 18:58:08,238 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2019-11-19 18:58:08,460 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2019-11-19 18:58:08,528 INFO L444 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2019-11-19 18:58:08,529 INFO L440 ceAbstractionStarter]: At program point L927-1(lines 927 933) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse2 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse5 (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3 .cse4)))) [2019-11-19 18:58:08,529 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-19 18:58:08,529 INFO L440 ceAbstractionStarter]: At program point L664(lines 655 668) the Hoare annotation is: false [2019-11-19 18:58:08,529 INFO L440 ceAbstractionStarter]: At program point L664-1(lines 655 668) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2019-11-19 18:58:08,529 INFO L440 ceAbstractionStarter]: At program point L664-2(lines 655 668) the Hoare annotation is: false [2019-11-19 18:58:08,530 INFO L440 ceAbstractionStarter]: At program point L664-3(lines 655 668) the Hoare annotation is: false [2019-11-19 18:58:08,530 INFO L440 ceAbstractionStarter]: At program point L664-4(lines 655 668) the Hoare annotation is: false [2019-11-19 18:58:08,530 INFO L440 ceAbstractionStarter]: At program point L664-5(lines 655 668) the Hoare annotation is: false [2019-11-19 18:58:08,530 INFO L440 ceAbstractionStarter]: At program point L173(lines 683 689) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse2 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4))) [2019-11-19 18:58:08,530 INFO L440 ceAbstractionStarter]: At program point L173-1(lines 683 689) the Hoare annotation is: false [2019-11-19 18:58:08,530 INFO L440 ceAbstractionStarter]: At program point L173-2(lines 683 689) the Hoare annotation is: false [2019-11-19 18:58:08,530 INFO L444 ceAbstractionStarter]: For program point L141(lines 141 148) no Hoare annotation was computed. [2019-11-19 18:58:08,531 INFO L447 ceAbstractionStarter]: At program point L141-1(lines 141 148) the Hoare annotation is: true [2019-11-19 18:58:08,531 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-19 18:58:08,531 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-19 18:58:08,531 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-19 18:58:08,531 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-19 18:58:08,531 INFO L444 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-11-19 18:58:08,531 INFO L444 ceAbstractionStarter]: For program point L937(lines 937 950) no Hoare annotation was computed. [2019-11-19 18:58:08,532 INFO L440 ceAbstractionStarter]: At program point L112(lines 108 114) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-19 18:58:08,532 INFO L444 ceAbstractionStarter]: For program point L741(lines 741 758) no Hoare annotation was computed. [2019-11-19 18:58:08,532 INFO L444 ceAbstractionStarter]: For program point L741-1(lines 741 758) no Hoare annotation was computed. [2019-11-19 18:58:08,532 INFO L444 ceAbstractionStarter]: For program point L741-2(lines 741 758) no Hoare annotation was computed. [2019-11-19 18:58:08,532 INFO L444 ceAbstractionStarter]: For program point L908(lines 907 954) no Hoare annotation was computed. [2019-11-19 18:58:08,532 INFO L444 ceAbstractionStarter]: For program point L909(lines 909 913) no Hoare annotation was computed. [2019-11-19 18:58:08,532 INFO L444 ceAbstractionStarter]: For program point L843(lines 843 847) no Hoare annotation was computed. [2019-11-19 18:58:08,532 INFO L444 ceAbstractionStarter]: For program point L843-2(lines 843 847) no Hoare annotation was computed. [2019-11-19 18:58:08,532 INFO L444 ceAbstractionStarter]: For program point L843-3(lines 843 847) no Hoare annotation was computed. [2019-11-19 18:58:08,533 INFO L444 ceAbstractionStarter]: For program point L843-5(lines 843 847) no Hoare annotation was computed. [2019-11-19 18:58:08,533 INFO L444 ceAbstractionStarter]: For program point L843-6(lines 843 847) no Hoare annotation was computed. [2019-11-19 18:58:08,533 INFO L444 ceAbstractionStarter]: For program point L843-8(lines 843 847) no Hoare annotation was computed. [2019-11-19 18:58:08,533 INFO L444 ceAbstractionStarter]: For program point L843-9(lines 843 847) no Hoare annotation was computed. [2019-11-19 18:58:08,533 INFO L444 ceAbstractionStarter]: For program point L843-11(lines 843 847) no Hoare annotation was computed. [2019-11-19 18:58:08,533 INFO L444 ceAbstractionStarter]: For program point L843-12(lines 843 847) no Hoare annotation was computed. [2019-11-19 18:58:08,533 INFO L444 ceAbstractionStarter]: For program point L843-14(lines 843 847) no Hoare annotation was computed. [2019-11-19 18:58:08,533 INFO L444 ceAbstractionStarter]: For program point L843-15(lines 843 847) no Hoare annotation was computed. [2019-11-19 18:58:08,534 INFO L444 ceAbstractionStarter]: For program point L843-17(lines 843 847) no Hoare annotation was computed. [2019-11-19 18:58:08,534 INFO L447 ceAbstractionStarter]: At program point L150(lines 131 153) the Hoare annotation is: true [2019-11-19 18:58:08,534 INFO L444 ceAbstractionStarter]: For program point L745(lines 745 753) no Hoare annotation was computed. [2019-11-19 18:58:08,534 INFO L444 ceAbstractionStarter]: For program point L745-1(lines 745 753) no Hoare annotation was computed. [2019-11-19 18:58:08,534 INFO L444 ceAbstractionStarter]: For program point L745-2(lines 745 753) no Hoare annotation was computed. [2019-11-19 18:58:08,534 INFO L444 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2019-11-19 18:58:08,534 INFO L440 ceAbstractionStarter]: At program point L184-1(lines 1 962) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1) .cse5 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1 2)) (and .cse1 (and .cse0 .cse2 (= ~pumpRunning~0 0) .cse4 .cse5)) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2019-11-19 18:58:08,534 INFO L444 ceAbstractionStarter]: For program point L184-2(lines 184 201) no Hoare annotation was computed. [2019-11-19 18:58:08,535 INFO L440 ceAbstractionStarter]: At program point L184-3(lines 1 962) the Hoare annotation is: false [2019-11-19 18:58:08,535 INFO L444 ceAbstractionStarter]: For program point L184-4(lines 184 201) no Hoare annotation was computed. [2019-11-19 18:58:08,535 INFO L440 ceAbstractionStarter]: At program point L184-5(lines 1 962) the Hoare annotation is: false [2019-11-19 18:58:08,535 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 18:58:08,535 INFO L444 ceAbstractionStarter]: For program point L945(lines 945 949) no Hoare annotation was computed. [2019-11-19 18:58:08,535 INFO L440 ceAbstractionStarter]: At program point L945-2(lines 945 949) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse2 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse5 (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3 .cse4)))) [2019-11-19 18:58:08,535 INFO L444 ceAbstractionStarter]: For program point L582(lines 582 586) no Hoare annotation was computed. [2019-11-19 18:58:08,536 INFO L444 ceAbstractionStarter]: For program point L582-3(lines 582 586) no Hoare annotation was computed. [2019-11-19 18:58:08,536 INFO L444 ceAbstractionStarter]: For program point L582-6(lines 582 586) no Hoare annotation was computed. [2019-11-19 18:58:08,536 INFO L444 ceAbstractionStarter]: For program point L715(lines 715 732) no Hoare annotation was computed. [2019-11-19 18:58:08,536 INFO L444 ceAbstractionStarter]: For program point L715-1(lines 715 732) no Hoare annotation was computed. [2019-11-19 18:58:08,536 INFO L444 ceAbstractionStarter]: For program point L715-2(lines 715 732) no Hoare annotation was computed. [2019-11-19 18:58:08,536 INFO L444 ceAbstractionStarter]: For program point L715-3(lines 715 732) no Hoare annotation was computed. [2019-11-19 18:58:08,536 INFO L444 ceAbstractionStarter]: For program point L715-4(lines 715 732) no Hoare annotation was computed. [2019-11-19 18:58:08,536 INFO L444 ceAbstractionStarter]: For program point L715-5(lines 715 732) no Hoare annotation was computed. [2019-11-19 18:58:08,537 INFO L440 ceAbstractionStarter]: At program point L683(lines 679 701) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) (and .cse1 .cse0 .cse2 .cse3 .cse4) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1)))) [2019-11-19 18:58:08,537 INFO L440 ceAbstractionStarter]: At program point L683-1(lines 679 701) the Hoare annotation is: false [2019-11-19 18:58:08,537 INFO L440 ceAbstractionStarter]: At program point L683-2(lines 679 701) the Hoare annotation is: false [2019-11-19 18:58:08,537 INFO L444 ceAbstractionStarter]: For program point L188(lines 188 198) no Hoare annotation was computed. [2019-11-19 18:58:08,537 INFO L444 ceAbstractionStarter]: For program point L188-2(lines 188 198) no Hoare annotation was computed. [2019-11-19 18:58:08,537 INFO L444 ceAbstractionStarter]: For program point L188-4(lines 188 198) no Hoare annotation was computed. [2019-11-19 18:58:08,537 INFO L440 ceAbstractionStarter]: At program point L849(lines 834 852) the Hoare annotation is: false [2019-11-19 18:58:08,538 INFO L440 ceAbstractionStarter]: At program point L849-1(lines 834 852) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2019-11-19 18:58:08,538 INFO L440 ceAbstractionStarter]: At program point L849-2(lines 834 852) the Hoare annotation is: false [2019-11-19 18:58:08,538 INFO L440 ceAbstractionStarter]: At program point L849-3(lines 834 852) the Hoare annotation is: false [2019-11-19 18:58:08,538 INFO L440 ceAbstractionStarter]: At program point L849-4(lines 834 852) the Hoare annotation is: false [2019-11-19 18:58:08,538 INFO L440 ceAbstractionStarter]: At program point L849-5(lines 834 852) the Hoare annotation is: false [2019-11-19 18:58:08,538 INFO L440 ceAbstractionStarter]: At program point L651(lines 646 654) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse0 .cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse0 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4))) [2019-11-19 18:58:08,538 INFO L440 ceAbstractionStarter]: At program point L651-1(lines 646 654) the Hoare annotation is: false [2019-11-19 18:58:08,539 INFO L440 ceAbstractionStarter]: At program point L651-2(lines 646 654) the Hoare annotation is: false [2019-11-19 18:58:08,539 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 195) no Hoare annotation was computed. [2019-11-19 18:58:08,539 INFO L444 ceAbstractionStarter]: For program point L189-2(lines 189 195) no Hoare annotation was computed. [2019-11-19 18:58:08,539 INFO L444 ceAbstractionStarter]: For program point L189-4(lines 189 195) no Hoare annotation was computed. [2019-11-19 18:58:08,539 INFO L440 ceAbstractionStarter]: At program point L619(lines 614 622) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= |ULTIMATE.start_valid_product_#res| 1) (<= ~waterLevel~0 2) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:58:08,539 INFO L440 ceAbstractionStarter]: At program point L619-1(lines 614 622) the Hoare annotation is: false [2019-11-19 18:58:08,539 INFO L440 ceAbstractionStarter]: At program point L619-2(lines 614 622) the Hoare annotation is: false [2019-11-19 18:58:08,539 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 18:58:08,540 INFO L444 ceAbstractionStarter]: For program point L917(lines 917 923) no Hoare annotation was computed. [2019-11-19 18:58:08,540 INFO L440 ceAbstractionStarter]: At program point L884(lines 1 962) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-19 18:58:08,540 INFO L440 ceAbstractionStarter]: At program point L917-1(lines 917 923) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse2 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse5 (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3 .cse4)))) [2019-11-19 18:58:08,540 INFO L440 ceAbstractionStarter]: At program point L785(lines 778 788) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= |ULTIMATE.start_valid_product_#res| 1) (<= ~waterLevel~0 2) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:58:08,540 INFO L440 ceAbstractionStarter]: At program point L785-1(lines 778 788) the Hoare annotation is: false [2019-11-19 18:58:08,540 INFO L444 ceAbstractionStarter]: For program point L719(lines 719 727) no Hoare annotation was computed. [2019-11-19 18:58:08,541 INFO L440 ceAbstractionStarter]: At program point L785-2(lines 778 788) the Hoare annotation is: false [2019-11-19 18:58:08,541 INFO L444 ceAbstractionStarter]: For program point L719-1(lines 719 727) no Hoare annotation was computed. [2019-11-19 18:58:08,541 INFO L444 ceAbstractionStarter]: For program point L719-2(lines 719 727) no Hoare annotation was computed. [2019-11-19 18:58:08,541 INFO L444 ceAbstractionStarter]: For program point L719-3(lines 719 727) no Hoare annotation was computed. [2019-11-19 18:58:08,541 INFO L444 ceAbstractionStarter]: For program point L719-4(lines 719 727) no Hoare annotation was computed. [2019-11-19 18:58:08,541 INFO L444 ceAbstractionStarter]: For program point L719-5(lines 719 727) no Hoare annotation was computed. [2019-11-19 18:58:08,541 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 18:58:08,541 INFO L440 ceAbstractionStarter]: At program point L61-2(lines 61 75) the Hoare annotation is: false [2019-11-19 18:58:08,541 INFO L444 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2019-11-19 18:58:08,542 INFO L440 ceAbstractionStarter]: At program point L690(lines 690 696) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) .cse5 (and .cse1 .cse0 .cse2 .cse3 .cse4) (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3 .cse4) .cse5))) [2019-11-19 18:58:08,542 INFO L440 ceAbstractionStarter]: At program point L690-1(lines 690 696) the Hoare annotation is: false [2019-11-19 18:58:08,547 INFO L440 ceAbstractionStarter]: At program point L690-2(lines 690 696) the Hoare annotation is: false [2019-11-19 18:58:08,547 INFO L440 ceAbstractionStarter]: At program point L955(lines 906 956) the Hoare annotation is: false [2019-11-19 18:58:08,547 INFO L440 ceAbstractionStarter]: At program point L163(lines 158 165) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-19 18:58:08,547 INFO L444 ceAbstractionStarter]: For program point L659(lines 659 665) no Hoare annotation was computed. [2019-11-19 18:58:08,547 INFO L444 ceAbstractionStarter]: For program point L659-1(lines 659 665) no Hoare annotation was computed. [2019-11-19 18:58:08,548 INFO L444 ceAbstractionStarter]: For program point L659-2(lines 659 665) no Hoare annotation was computed. [2019-11-19 18:58:08,548 INFO L444 ceAbstractionStarter]: For program point L659-3(lines 659 665) no Hoare annotation was computed. [2019-11-19 18:58:08,548 INFO L444 ceAbstractionStarter]: For program point L659-4(lines 659 665) no Hoare annotation was computed. [2019-11-19 18:58:08,548 INFO L444 ceAbstractionStarter]: For program point L659-5(lines 659 665) no Hoare annotation was computed. [2019-11-19 18:58:08,548 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-19 18:58:08,548 INFO L444 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2019-11-19 18:58:08,548 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 18:58:08,549 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-19 18:58:08,549 INFO L444 ceAbstractionStarter]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-11-19 18:58:08,549 INFO L440 ceAbstractionStarter]: At program point L892(lines 887 895) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-19 18:58:08,549 INFO L440 ceAbstractionStarter]: At program point L794(lines 789 797) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5 .cse6)) (and .cse3 (and .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 (= ~pumpRunning~0 0) .cse5 .cse6)) (and (= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 .cse4 .cse0 .cse1 .cse5 .cse6))) [2019-11-19 18:58:08,549 INFO L440 ceAbstractionStarter]: At program point L794-1(lines 789 797) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse1 (= ~pumpRunning~0 0) .cse3 .cse4))) [2019-11-19 18:58:08,549 INFO L440 ceAbstractionStarter]: At program point L794-2(lines 789 797) the Hoare annotation is: false [2019-11-19 18:58:08,550 INFO L440 ceAbstractionStarter]: At program point L794-3(lines 789 797) the Hoare annotation is: false [2019-11-19 18:58:08,550 INFO L440 ceAbstractionStarter]: At program point L794-4(lines 789 797) the Hoare annotation is: false [2019-11-19 18:58:08,550 INFO L440 ceAbstractionStarter]: At program point L794-5(lines 789 797) the Hoare annotation is: false [2019-11-19 18:58:08,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:58:08 BoogieIcfgContainer [2019-11-19 18:58:08,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 18:58:08,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 18:58:08,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 18:58:08,606 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 18:58:08,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:58:01" (3/4) ... [2019-11-19 18:58:08,612 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 18:58:08,667 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 18:58:08,668 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-19 18:58:08,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 18:58:08,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 18:58:08,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 18:58:08,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 18:58:08,712 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-19 18:58:08,713 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-11-19 18:58:08,713 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-11-19 18:58:08,713 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) || (waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 18:58:08,714 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 18:58:08,715 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 18:58:08,716 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 18:58:08,717 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 1 && \result == 1) && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) || (waterLevel <= 2 && ((((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 18:58:08,718 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && ((((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 18:58:08,718 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && (((\result == 1 && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) [2019-11-19 18:58:08,719 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && (((\result == 1 && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && \result == 1)) || ((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) [2019-11-19 18:58:08,720 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == switchedOnBeforeTS && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 18:58:08,721 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-19 18:58:08,722 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-19 18:58:08,725 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 18:58:08,728 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == switchedOnBeforeTS && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 18:58:08,729 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == \result && \result == 1) && 0 == tmp___0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-19 18:58:08,838 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 18:58:08,838 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 18:58:08,840 INFO L168 Benchmark]: Toolchain (without parser) took 8842.66 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.9 MB). Free memory was 955.0 MB in the beginning and 1.2 GB in the end (delta: -218.6 MB). Peak memory consumption was 103.4 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:08,840 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:58:08,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 796.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:08,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:58:08,842 INFO L168 Benchmark]: Boogie Preprocessor took 50.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:08,842 INFO L168 Benchmark]: RCFGBuilder took 999.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:08,843 INFO L168 Benchmark]: TraceAbstraction took 6674.13 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.8 MB). Peak memory consumption was 310.8 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:08,843 INFO L168 Benchmark]: Witness Printer took 232.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:08,846 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 796.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 999.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6674.13 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.8 MB). Peak memory consumption was 310.8 MB. Max. memory is 11.5 GB. * Witness Printer took 232.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && (((\result == 1 && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: (((((((1 == switchedOnBeforeTS && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == switchedOnBeforeTS && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: (((((((0 == \result && \result == 1) && 0 == tmp___0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: (((pumpRunning == 1 && \result == 1) && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) || (waterLevel <= 2 && ((((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) || (waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && ((((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && (((\result == 1 && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && \result == 1)) || ((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Result: SAFE, OverallTime: 6.5s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, HoareTripleCheckerStatistics: 991 SDtfs, 1219 SDslu, 1183 SDs, 0 SdLazy, 224 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 372 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 131 NumberOfFragments, 919 HoareAnnotationTreeSize, 50 FomulaSimplifications, 38753 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 50 FomulaSimplificationsInter, 10644 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 365 ConstructedInterpolants, 0 QuantifiedInterpolants, 27239 SizeOfPredicates, 4 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...