./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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_product57.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9bd2750697477c749a894a241eb18460dbfa6e62 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:27:56,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:27:56,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:27:56,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:27:56,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:27:56,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:27:56,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:27:56,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:27:56,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:27:56,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:27:56,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:27:56,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:27:56,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:27:56,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:27:56,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:27:56,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:27:56,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:27:56,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:27:56,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:27:56,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:27:56,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:27:56,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:27:56,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:27:56,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:27:56,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:27:56,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:27:56,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:27:56,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:27:56,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:27:56,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:27:56,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:27:56,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:27:56,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:27:56,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:27:56,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:27:56,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:27:56,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:27:56,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:27:56,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:27:56,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:27:56,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:27:56,681 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:27:56,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:27:56,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:27:56,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:27:56,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:27:56,698 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:27:56,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:27:56,698 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:27:56,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:27:56,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:27:56,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:27:56,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:27:56,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:27:56,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:27:56,700 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:27:56,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:27:56,700 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:27:56,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:27:56,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:27:56,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:27:56,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:27:56,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:27:56,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:27:56,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:27:56,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:27:56,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:27:56,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:27:56,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:27:56,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:27:56,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:27:56,703 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 -> 9bd2750697477c749a894a241eb18460dbfa6e62 [2019-11-28 17:27:56,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:27:57,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:27:57,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:27:57,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:27:57,014 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:27:57,015 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2019-11-28 17:27:57,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d00d805/b1d8c57f25da4920944ba314e9d3c76a/FLAG973755d93 [2019-11-28 17:27:57,664 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:27:57,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2019-11-28 17:27:57,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d00d805/b1d8c57f25da4920944ba314e9d3c76a/FLAG973755d93 [2019-11-28 17:27:57,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d00d805/b1d8c57f25da4920944ba314e9d3c76a [2019-11-28 17:27:57,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:27:57,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:27:57,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:57,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:27:57,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:27:57,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:57" (1/1) ... [2019-11-28 17:27:57,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbcb891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:57, skipping insertion in model container [2019-11-28 17:27:57,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:57" (1/1) ... [2019-11-28 17:27:57,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:27:58,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:27:58,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:58,533 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:27:58,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:58,672 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:27:58,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:58 WrapperNode [2019-11-28 17:27:58,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:58,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:58,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:27:58,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:27:58,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:58" (1/1) ... [2019-11-28 17:27:58,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:58" (1/1) ... [2019-11-28 17:27:58,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:58,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:27:58,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:27:58,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:27:58,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:58" (1/1) ... [2019-11-28 17:27:58,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:58" (1/1) ... [2019-11-28 17:27:58,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:58" (1/1) ... [2019-11-28 17:27:58,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:58" (1/1) ... [2019-11-28 17:27:58,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:58" (1/1) ... [2019-11-28 17:27:58,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:58" (1/1) ... [2019-11-28 17:27:58,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:58" (1/1) ... [2019-11-28 17:27:58,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:27:58,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:27:58,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:27:58,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:27:58,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:27:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:27:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:27:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:27:58,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:27:59,807 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:27:59,808 INFO L287 CfgBuilder]: Removed 206 assume(true) statements. [2019-11-28 17:27:59,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:59 BoogieIcfgContainer [2019-11-28 17:27:59,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:27:59,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:27:59,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:27:59,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:27:59,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:27:57" (1/3) ... [2019-11-28 17:27:59,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a6f405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:59, skipping insertion in model container [2019-11-28 17:27:59,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:58" (2/3) ... [2019-11-28 17:27:59,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a6f405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:59, skipping insertion in model container [2019-11-28 17:27:59,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:59" (3/3) ... [2019-11-28 17:27:59,824 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2019-11-28 17:27:59,834 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:27:59,842 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:27:59,854 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:27:59,884 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:27:59,884 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:27:59,885 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:27:59,885 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:27:59,885 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:27:59,885 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:27:59,886 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:27:59,886 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:27:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2019-11-28 17:27:59,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:27:59,912 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:59,913 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:59,914 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:59,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:59,920 INFO L82 PathProgramCache]: Analyzing trace with hash -947048074, now seen corresponding path program 1 times [2019-11-28 17:27:59,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:59,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949307300] [2019-11-28 17:27:59,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:28:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:28:00,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:28:00,202 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949307300] [2019-11-28 17:28:00,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:28:00,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:28:00,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832308531] [2019-11-28 17:28:00,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:28:00,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:28:00,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:28:00,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:28:00,221 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2019-11-28 17:28:00,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:28:00,260 INFO L93 Difference]: Finished difference Result 281 states and 418 transitions. [2019-11-28 17:28:00,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:28:00,262 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-28 17:28:00,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:28:00,275 INFO L225 Difference]: With dead ends: 281 [2019-11-28 17:28:00,275 INFO L226 Difference]: Without dead ends: 140 [2019-11-28 17:28:00,279 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:28:00,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-28 17:28:00,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-11-28 17:28:00,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-28 17:28:00,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 201 transitions. [2019-11-28 17:28:00,328 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 201 transitions. Word has length 19 [2019-11-28 17:28:00,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:28:00,328 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 201 transitions. [2019-11-28 17:28:00,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:28:00,329 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2019-11-28 17:28:00,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 17:28:00,330 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:28:00,330 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:28:00,331 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:28:00,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:28:00,331 INFO L82 PathProgramCache]: Analyzing trace with hash 858971479, now seen corresponding path program 1 times [2019-11-28 17:28:00,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:28:00,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377955801] [2019-11-28 17:28:00,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:28:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:28:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:28:00,475 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377955801] [2019-11-28 17:28:00,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:28:00,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:28:00,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68173373] [2019-11-28 17:28:00,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:28:00,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:28:00,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:28:00,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:28:00,479 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand 3 states. [2019-11-28 17:28:00,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:28:00,494 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2019-11-28 17:28:00,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:28:00,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 17:28:00,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:28:00,496 INFO L225 Difference]: With dead ends: 140 [2019-11-28 17:28:00,496 INFO L226 Difference]: Without dead ends: 57 [2019-11-28 17:28:00,498 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:28:00,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-28 17:28:00,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-28 17:28:00,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-28 17:28:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2019-11-28 17:28:00,505 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2019-11-28 17:28:00,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:28:00,506 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2019-11-28 17:28:00,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:28:00,506 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2019-11-28 17:28:00,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:28:00,507 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:28:00,507 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:28:00,508 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:28:00,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:28:00,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1840859928, now seen corresponding path program 1 times [2019-11-28 17:28:00,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:28:00,509 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033374870] [2019-11-28 17:28:00,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:28:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:28:00,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:28:00,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033374870] [2019-11-28 17:28:00,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:28:00,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:28:00,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898802999] [2019-11-28 17:28:00,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:28:00,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:28:00,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:28:00,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:28:00,630 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 3 states. [2019-11-28 17:28:00,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:28:00,655 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2019-11-28 17:28:00,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:28:00,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:28:00,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:28:00,659 INFO L225 Difference]: With dead ends: 107 [2019-11-28 17:28:00,659 INFO L226 Difference]: Without dead ends: 57 [2019-11-28 17:28:00,660 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:28:00,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-28 17:28:00,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-28 17:28:00,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-28 17:28:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2019-11-28 17:28:00,672 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 26 [2019-11-28 17:28:00,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:28:00,673 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2019-11-28 17:28:00,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:28:00,673 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2019-11-28 17:28:00,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 17:28:00,674 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:28:00,675 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] [2019-11-28 17:28:00,675 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:28:00,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:28:00,675 INFO L82 PathProgramCache]: Analyzing trace with hash 655441665, now seen corresponding path program 1 times [2019-11-28 17:28:00,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:28:00,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408482776] [2019-11-28 17:28:00,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:28:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:28:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:28:00,759 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408482776] [2019-11-28 17:28:00,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:28:00,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:28:00,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699617914] [2019-11-28 17:28:00,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:28:00,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:28:00,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:28:00,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:28:00,761 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 3 states. [2019-11-28 17:28:00,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:28:00,816 INFO L93 Difference]: Finished difference Result 131 states and 187 transitions. [2019-11-28 17:28:00,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:28:00,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-28 17:28:00,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:28:00,818 INFO L225 Difference]: With dead ends: 131 [2019-11-28 17:28:00,818 INFO L226 Difference]: Without dead ends: 81 [2019-11-28 17:28:00,819 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:28:00,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-11-28 17:28:00,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2019-11-28 17:28:00,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-28 17:28:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2019-11-28 17:28:00,829 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 28 [2019-11-28 17:28:00,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:28:00,829 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2019-11-28 17:28:00,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:28:00,829 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2019-11-28 17:28:00,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:28:00,831 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:28:00,831 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:28:00,831 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:28:00,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:28:00,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1335383949, now seen corresponding path program 1 times [2019-11-28 17:28:00,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:28:00,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160357545] [2019-11-28 17:28:00,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:28:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:28:00,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:28:00,923 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160357545] [2019-11-28 17:28:00,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:28:00,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:28:00,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996887753] [2019-11-28 17:28:00,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:28:00,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:28:00,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:28:00,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:28:00,926 INFO L87 Difference]: Start difference. First operand 79 states and 110 transitions. Second operand 5 states. [2019-11-28 17:28:01,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:28:01,125 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2019-11-28 17:28:01,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:28:01,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 17:28:01,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:28:01,128 INFO L225 Difference]: With dead ends: 266 [2019-11-28 17:28:01,128 INFO L226 Difference]: Without dead ends: 194 [2019-11-28 17:28:01,129 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:28:01,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-28 17:28:01,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 78. [2019-11-28 17:28:01,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-28 17:28:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2019-11-28 17:28:01,143 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 34 [2019-11-28 17:28:01,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:28:01,144 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2019-11-28 17:28:01,144 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:28:01,144 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2019-11-28 17:28:01,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 17:28:01,146 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:28:01,146 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, 1, 1] [2019-11-28 17:28:01,146 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:28:01,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:28:01,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1094266678, now seen corresponding path program 1 times [2019-11-28 17:28:01,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:28:01,148 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677033973] [2019-11-28 17:28:01,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:28:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:28:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:28:01,244 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677033973] [2019-11-28 17:28:01,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:28:01,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:28:01,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186864723] [2019-11-28 17:28:01,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:28:01,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:28:01,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:28:01,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:28:01,247 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand 5 states. [2019-11-28 17:28:01,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:28:01,327 INFO L93 Difference]: Finished difference Result 198 states and 272 transitions. [2019-11-28 17:28:01,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:28:01,328 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-28 17:28:01,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:28:01,329 INFO L225 Difference]: With dead ends: 198 [2019-11-28 17:28:01,329 INFO L226 Difference]: Without dead ends: 127 [2019-11-28 17:28:01,331 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:28:01,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-28 17:28:01,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2019-11-28 17:28:01,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-28 17:28:01,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2019-11-28 17:28:01,350 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 37 [2019-11-28 17:28:01,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:28:01,352 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2019-11-28 17:28:01,352 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:28:01,352 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2019-11-28 17:28:01,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 17:28:01,354 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:28:01,357 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, 1, 1] [2019-11-28 17:28:01,358 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:28:01,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:28:01,358 INFO L82 PathProgramCache]: Analyzing trace with hash 83149428, now seen corresponding path program 1 times [2019-11-28 17:28:01,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:28:01,361 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539027814] [2019-11-28 17:28:01,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:28:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:28:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:28:01,425 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539027814] [2019-11-28 17:28:01,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:28:01,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:28:01,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301896197] [2019-11-28 17:28:01,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:28:01,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:28:01,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:28:01,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:28:01,427 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 4 states. [2019-11-28 17:28:01,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:28:01,482 INFO L93 Difference]: Finished difference Result 193 states and 260 transitions. [2019-11-28 17:28:01,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:28:01,483 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-11-28 17:28:01,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:28:01,484 INFO L225 Difference]: With dead ends: 193 [2019-11-28 17:28:01,484 INFO L226 Difference]: Without dead ends: 116 [2019-11-28 17:28:01,485 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:28:01,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-28 17:28:01,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 88. [2019-11-28 17:28:01,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-28 17:28:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2019-11-28 17:28:01,503 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 37 [2019-11-28 17:28:01,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:28:01,504 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2019-11-28 17:28:01,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:28:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2019-11-28 17:28:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 17:28:01,507 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:28:01,508 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, 1, 1] [2019-11-28 17:28:01,508 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:28:01,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:28:01,509 INFO L82 PathProgramCache]: Analyzing trace with hash -937918926, now seen corresponding path program 1 times [2019-11-28 17:28:01,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:28:01,509 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418204935] [2019-11-28 17:28:01,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:28:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:28:01,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:28:01,564 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418204935] [2019-11-28 17:28:01,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:28:01,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:28:01,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026069537] [2019-11-28 17:28:01,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:28:01,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:28:01,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:28:01,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:28:01,567 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand 3 states. [2019-11-28 17:28:01,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:28:01,596 INFO L93 Difference]: Finished difference Result 197 states and 263 transitions. [2019-11-28 17:28:01,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:28:01,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-11-28 17:28:01,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:28:01,597 INFO L225 Difference]: With dead ends: 197 [2019-11-28 17:28:01,597 INFO L226 Difference]: Without dead ends: 116 [2019-11-28 17:28:01,598 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:28:01,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-28 17:28:01,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-11-28 17:28:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-28 17:28:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 151 transitions. [2019-11-28 17:28:01,619 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 151 transitions. Word has length 37 [2019-11-28 17:28:01,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:28:01,619 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 151 transitions. [2019-11-28 17:28:01,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:28:01,619 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2019-11-28 17:28:01,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 17:28:01,622 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:28:01,623 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, 1, 1, 1] [2019-11-28 17:28:01,623 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:28:01,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:28:01,624 INFO L82 PathProgramCache]: Analyzing trace with hash 597879026, now seen corresponding path program 1 times [2019-11-28 17:28:01,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:28:01,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794319681] [2019-11-28 17:28:01,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:28:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:28:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:28:01,785 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794319681] [2019-11-28 17:28:01,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:28:01,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:28:01,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296697045] [2019-11-28 17:28:01,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:28:01,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:28:01,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:28:01,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:28:01,788 INFO L87 Difference]: Start difference. First operand 116 states and 151 transitions. Second operand 6 states. [2019-11-28 17:28:02,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:28:02,050 INFO L93 Difference]: Finished difference Result 437 states and 583 transitions. [2019-11-28 17:28:02,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:28:02,051 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-11-28 17:28:02,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:28:02,055 INFO L225 Difference]: With dead ends: 437 [2019-11-28 17:28:02,055 INFO L226 Difference]: Without dead ends: 356 [2019-11-28 17:28:02,056 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:28:02,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-11-28 17:28:02,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 161. [2019-11-28 17:28:02,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-11-28 17:28:02,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 207 transitions. [2019-11-28 17:28:02,080 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 207 transitions. Word has length 38 [2019-11-28 17:28:02,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:28:02,080 INFO L462 AbstractCegarLoop]: Abstraction has 161 states and 207 transitions. [2019-11-28 17:28:02,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:28:02,081 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2019-11-28 17:28:02,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-28 17:28:02,087 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:28:02,087 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, 1, 1, 1, 1, 1] [2019-11-28 17:28:02,087 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:28:02,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:28:02,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1086391584, now seen corresponding path program 1 times [2019-11-28 17:28:02,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:28:02,089 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374777335] [2019-11-28 17:28:02,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:28:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:28:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:28:02,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374777335] [2019-11-28 17:28:02,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582384561] [2019-11-28 17:28:02,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:28:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:28:02,384 INFO L264 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 17:28:02,399 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:28:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:28:02,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:28:02,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-28 17:28:02,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307126357] [2019-11-28 17:28:02,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:28:02,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:28:02,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:28:02,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:28:02,457 INFO L87 Difference]: Start difference. First operand 161 states and 207 transitions. Second operand 8 states. [2019-11-28 17:28:02,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:28:02,704 INFO L93 Difference]: Finished difference Result 321 states and 429 transitions. [2019-11-28 17:28:02,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:28:02,705 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2019-11-28 17:28:02,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:28:02,705 INFO L225 Difference]: With dead ends: 321 [2019-11-28 17:28:02,706 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:28:02,706 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:28:02,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:28:02,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:28:02,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:28:02,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:28:02,708 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-11-28 17:28:02,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:28:02,708 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:28:02,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:28:02,708 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:28:02,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:28:02,915 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:28:02,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:28:03,572 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 25 [2019-11-28 17:28:03,782 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 24 [2019-11-28 17:28:03,890 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 20 [2019-11-28 17:28:04,169 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2019-11-28 17:28:04,471 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2019-11-28 17:28:04,741 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 24 [2019-11-28 17:28:04,749 INFO L246 CegarLoopResult]: For program point L828(lines 828 836) no Hoare annotation was computed. [2019-11-28 17:28:04,749 INFO L246 CegarLoopResult]: For program point L828-1(lines 828 836) no Hoare annotation was computed. [2019-11-28 17:28:04,750 INFO L246 CegarLoopResult]: For program point L828-2(lines 828 836) no Hoare annotation was computed. [2019-11-28 17:28:04,750 INFO L246 CegarLoopResult]: For program point L828-3(lines 828 836) no Hoare annotation was computed. [2019-11-28 17:28:04,750 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:28:04,750 INFO L246 CegarLoopResult]: For program point L828-4(lines 828 836) no Hoare annotation was computed. [2019-11-28 17:28:04,750 INFO L246 CegarLoopResult]: For program point L828-5(lines 828 836) no Hoare annotation was computed. [2019-11-28 17:28:04,750 INFO L246 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2019-11-28 17:28:04,750 INFO L246 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2019-11-28 17:28:04,751 INFO L246 CegarLoopResult]: For program point L697-4(lines 697 707) no Hoare annotation was computed. [2019-11-28 17:28:04,751 INFO L246 CegarLoopResult]: For program point L202(lines 202 206) no Hoare annotation was computed. [2019-11-28 17:28:04,751 INFO L246 CegarLoopResult]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2019-11-28 17:28:04,751 INFO L246 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-11-28 17:28:04,751 INFO L246 CegarLoopResult]: For program point L103-1(lines 103 107) no Hoare annotation was computed. [2019-11-28 17:28:04,751 INFO L246 CegarLoopResult]: For program point L202-6(lines 202 206) no Hoare annotation was computed. [2019-11-28 17:28:04,753 INFO L242 CegarLoopResult]: At program point L995(lines 980 998) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:28:04,753 INFO L242 CegarLoopResult]: At program point L995-1(lines 980 998) the Hoare annotation is: false [2019-11-28 17:28:04,753 INFO L242 CegarLoopResult]: At program point L995-2(lines 980 998) the Hoare annotation is: false [2019-11-28 17:28:04,753 INFO L246 CegarLoopResult]: For program point L698(lines 698 704) no Hoare annotation was computed. [2019-11-28 17:28:04,753 INFO L246 CegarLoopResult]: For program point L698-2(lines 698 704) no Hoare annotation was computed. [2019-11-28 17:28:04,754 INFO L246 CegarLoopResult]: For program point L698-4(lines 698 704) no Hoare annotation was computed. [2019-11-28 17:28:04,754 INFO L242 CegarLoopResult]: At program point L799(lines 799 805) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (or .cse1 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse4 .cse3)))) [2019-11-28 17:28:04,755 INFO L242 CegarLoopResult]: At program point L799-1(lines 799 805) the Hoare annotation is: false [2019-11-28 17:28:04,755 INFO L242 CegarLoopResult]: At program point L799-2(lines 799 805) the Hoare annotation is: false [2019-11-28 17:28:04,755 INFO L242 CegarLoopResult]: At program point L271(lines 266 274) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (or .cse4 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 .cse1 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3)))) [2019-11-28 17:28:04,755 INFO L242 CegarLoopResult]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2019-11-28 17:28:04,755 INFO L242 CegarLoopResult]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2019-11-28 17:28:04,756 INFO L242 CegarLoopResult]: At program point L239(lines 234 242) the Hoare annotation is: false [2019-11-28 17:28:04,756 INFO L242 CegarLoopResult]: At program point L239-1(lines 234 242) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:28:04,756 INFO L242 CegarLoopResult]: At program point L239-2(lines 234 242) the Hoare annotation is: false [2019-11-28 17:28:04,756 INFO L242 CegarLoopResult]: At program point L239-3(lines 234 242) the Hoare annotation is: false [2019-11-28 17:28:04,756 INFO L242 CegarLoopResult]: At program point L239-4(lines 234 242) the Hoare annotation is: false [2019-11-28 17:28:04,756 INFO L242 CegarLoopResult]: At program point L74(lines 1 998) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:28:04,757 INFO L242 CegarLoopResult]: At program point L239-5(lines 234 242) the Hoare annotation is: false [2019-11-28 17:28:04,757 INFO L246 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2019-11-28 17:28:04,757 INFO L242 CegarLoopResult]: At program point L735-1(lines 735 741) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (or .cse1 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse4 .cse3)))) [2019-11-28 17:28:04,758 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:28:04,758 INFO L246 CegarLoopResult]: For program point L176(lines 176 183) no Hoare annotation was computed. [2019-11-28 17:28:04,758 INFO L249 CegarLoopResult]: At program point L176-1(lines 176 183) the Hoare annotation is: true [2019-11-28 17:28:04,758 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-28 17:28:04,758 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-28 17:28:04,758 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-28 17:28:04,758 INFO L242 CegarLoopResult]: At program point L771(lines 724 772) the Hoare annotation is: false [2019-11-28 17:28:04,759 INFO L242 CegarLoopResult]: At program point L672(lines 667 674) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:28:04,759 INFO L246 CegarLoopResult]: For program point L970(lines 970 974) no Hoare annotation was computed. [2019-11-28 17:28:04,759 INFO L246 CegarLoopResult]: For program point L970-2(lines 970 974) no Hoare annotation was computed. [2019-11-28 17:28:04,759 INFO L246 CegarLoopResult]: For program point L970-3(lines 970 974) no Hoare annotation was computed. [2019-11-28 17:28:04,759 INFO L246 CegarLoopResult]: For program point L970-5(lines 970 974) no Hoare annotation was computed. [2019-11-28 17:28:04,759 INFO L246 CegarLoopResult]: For program point L970-6(lines 970 974) no Hoare annotation was computed. [2019-11-28 17:28:04,759 INFO L246 CegarLoopResult]: For program point L970-8(lines 970 974) no Hoare annotation was computed. [2019-11-28 17:28:04,759 INFO L246 CegarLoopResult]: For program point L970-9(lines 970 974) no Hoare annotation was computed. [2019-11-28 17:28:04,760 INFO L246 CegarLoopResult]: For program point L970-11(lines 970 974) no Hoare annotation was computed. [2019-11-28 17:28:04,760 INFO L246 CegarLoopResult]: For program point L970-12(lines 970 974) no Hoare annotation was computed. [2019-11-28 17:28:04,760 INFO L246 CegarLoopResult]: For program point L970-14(lines 970 974) no Hoare annotation was computed. [2019-11-28 17:28:04,760 INFO L246 CegarLoopResult]: For program point L970-15(lines 970 974) no Hoare annotation was computed. [2019-11-28 17:28:04,760 INFO L246 CegarLoopResult]: For program point L970-17(lines 970 974) no Hoare annotation was computed. [2019-11-28 17:28:04,760 INFO L246 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-11-28 17:28:04,760 INFO L246 CegarLoopResult]: For program point L279-1(lines 279 285) no Hoare annotation was computed. [2019-11-28 17:28:04,761 INFO L246 CegarLoopResult]: For program point L279-2(lines 279 285) no Hoare annotation was computed. [2019-11-28 17:28:04,761 INFO L246 CegarLoopResult]: For program point L279-3(lines 279 285) no Hoare annotation was computed. [2019-11-28 17:28:04,761 INFO L246 CegarLoopResult]: For program point L279-4(lines 279 285) no Hoare annotation was computed. [2019-11-28 17:28:04,761 INFO L246 CegarLoopResult]: For program point L279-5(lines 279 285) no Hoare annotation was computed. [2019-11-28 17:28:04,761 INFO L246 CegarLoopResult]: For program point L214(lines 214 218) no Hoare annotation was computed. [2019-11-28 17:28:04,761 INFO L242 CegarLoopResult]: At program point L82(lines 77 85) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:28:04,761 INFO L242 CegarLoopResult]: At program point L150(lines 146 152) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:28:04,762 INFO L242 CegarLoopResult]: At program point L976(lines 961 979) the Hoare annotation is: false [2019-11-28 17:28:04,762 INFO L242 CegarLoopResult]: At program point L976-1(lines 961 979) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) (<= ~waterLevel~0 1) .cse1 .cse2))) [2019-11-28 17:28:04,762 INFO L242 CegarLoopResult]: At program point L976-2(lines 961 979) the Hoare annotation is: false [2019-11-28 17:28:04,762 INFO L242 CegarLoopResult]: At program point L976-3(lines 961 979) the Hoare annotation is: false [2019-11-28 17:28:04,762 INFO L242 CegarLoopResult]: At program point L976-4(lines 961 979) the Hoare annotation is: false [2019-11-28 17:28:04,762 INFO L242 CegarLoopResult]: At program point L976-5(lines 961 979) the Hoare annotation is: false [2019-11-28 17:28:04,763 INFO L246 CegarLoopResult]: For program point L745(lines 745 751) no Hoare annotation was computed. [2019-11-28 17:28:04,763 INFO L242 CegarLoopResult]: At program point L745-1(lines 745 751) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (or .cse1 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse4 .cse3)))) [2019-11-28 17:28:04,763 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:28:04,763 INFO L242 CegarLoopResult]: At program point L284(lines 275 288) the Hoare annotation is: false [2019-11-28 17:28:04,764 INFO L242 CegarLoopResult]: At program point L284-1(lines 275 288) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2019-11-28 17:28:04,764 INFO L242 CegarLoopResult]: At program point L284-2(lines 275 288) the Hoare annotation is: false [2019-11-28 17:28:04,764 INFO L242 CegarLoopResult]: At program point L284-3(lines 275 288) the Hoare annotation is: false [2019-11-28 17:28:04,764 INFO L249 CegarLoopResult]: At program point L185(lines 166 188) the Hoare annotation is: true [2019-11-28 17:28:04,765 INFO L242 CegarLoopResult]: At program point L284-4(lines 275 288) the Hoare annotation is: false [2019-11-28 17:28:04,765 INFO L242 CegarLoopResult]: At program point L284-5(lines 275 288) the Hoare annotation is: false [2019-11-28 17:28:04,765 INFO L242 CegarLoopResult]: At program point L912(lines 905 915) the Hoare annotation is: false [2019-11-28 17:28:04,765 INFO L242 CegarLoopResult]: At program point L912-1(lines 905 915) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:28:04,765 INFO L242 CegarLoopResult]: At program point L912-2(lines 905 915) the Hoare annotation is: false [2019-11-28 17:28:04,765 INFO L242 CegarLoopResult]: At program point L912-3(lines 905 915) the Hoare annotation is: false [2019-11-28 17:28:04,767 INFO L242 CegarLoopResult]: At program point L912-4(lines 905 915) the Hoare annotation is: false [2019-11-28 17:28:04,767 INFO L242 CegarLoopResult]: At program point L912-5(lines 905 915) the Hoare annotation is: false [2019-11-28 17:28:04,767 INFO L242 CegarLoopResult]: At program point L682(lines 792 798) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2))) [2019-11-28 17:28:04,767 INFO L242 CegarLoopResult]: At program point L682-1(lines 792 798) the Hoare annotation is: false [2019-11-28 17:28:04,767 INFO L242 CegarLoopResult]: At program point L682-2(lines 792 798) the Hoare annotation is: false [2019-11-28 17:28:04,768 INFO L246 CegarLoopResult]: For program point L850(lines 850 867) no Hoare annotation was computed. [2019-11-28 17:28:04,768 INFO L246 CegarLoopResult]: For program point L850-1(lines 850 867) no Hoare annotation was computed. [2019-11-28 17:28:04,768 INFO L246 CegarLoopResult]: For program point L850-2(lines 850 867) no Hoare annotation was computed. [2019-11-28 17:28:04,768 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:28:04,768 INFO L246 CegarLoopResult]: For program point L226(lines 226 230) no Hoare annotation was computed. [2019-11-28 17:28:04,768 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:28:04,768 INFO L246 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2019-11-28 17:28:04,768 INFO L246 CegarLoopResult]: For program point L854(lines 854 862) no Hoare annotation was computed. [2019-11-28 17:28:04,769 INFO L246 CegarLoopResult]: For program point L887-2(lines 887 893) no Hoare annotation was computed. [2019-11-28 17:28:04,769 INFO L246 CegarLoopResult]: For program point L854-1(lines 854 862) no Hoare annotation was computed. [2019-11-28 17:28:04,769 INFO L246 CegarLoopResult]: For program point L854-2(lines 854 862) no Hoare annotation was computed. [2019-11-28 17:28:04,769 INFO L246 CegarLoopResult]: For program point L755(lines 755 766) no Hoare annotation was computed. [2019-11-28 17:28:04,769 INFO L246 CegarLoopResult]: For program point L887-4(lines 887 893) no Hoare annotation was computed. [2019-11-28 17:28:04,769 INFO L246 CegarLoopResult]: For program point L887-6(lines 887 893) no Hoare annotation was computed. [2019-11-28 17:28:04,769 INFO L246 CegarLoopResult]: For program point L887-8(lines 887 893) no Hoare annotation was computed. [2019-11-28 17:28:04,769 INFO L246 CegarLoopResult]: For program point L887-10(lines 887 893) no Hoare annotation was computed. [2019-11-28 17:28:04,770 INFO L242 CegarLoopResult]: At program point L921(lines 916 924) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 1)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (or .cse1 (<= ~waterLevel~0 1))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse5 .cse4) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse5 .cse4)))) [2019-11-28 17:28:04,771 INFO L242 CegarLoopResult]: At program point L921-1(lines 916 924) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2))) [2019-11-28 17:28:04,771 INFO L242 CegarLoopResult]: At program point L921-2(lines 916 924) the Hoare annotation is: false [2019-11-28 17:28:04,771 INFO L242 CegarLoopResult]: At program point L921-3(lines 916 924) the Hoare annotation is: false [2019-11-28 17:28:04,771 INFO L242 CegarLoopResult]: At program point L921-4(lines 916 924) the Hoare annotation is: false [2019-11-28 17:28:04,771 INFO L242 CegarLoopResult]: At program point L921-5(lines 916 924) the Hoare annotation is: false [2019-11-28 17:28:04,772 INFO L242 CegarLoopResult]: At program point L294(lines 289 297) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:28:04,772 INFO L242 CegarLoopResult]: At program point L294-1(lines 289 297) the Hoare annotation is: false [2019-11-28 17:28:04,772 INFO L242 CegarLoopResult]: At program point L294-2(lines 289 297) the Hoare annotation is: false [2019-11-28 17:28:04,772 INFO L246 CegarLoopResult]: For program point L989(lines 989 993) no Hoare annotation was computed. [2019-11-28 17:28:04,772 INFO L246 CegarLoopResult]: For program point L989-2(lines 989 993) no Hoare annotation was computed. [2019-11-28 17:28:04,772 INFO L246 CegarLoopResult]: For program point L989-3(lines 989 993) no Hoare annotation was computed. [2019-11-28 17:28:04,772 INFO L246 CegarLoopResult]: For program point L824(lines 824 841) no Hoare annotation was computed. [2019-11-28 17:28:04,773 INFO L246 CegarLoopResult]: For program point L989-5(lines 989 993) no Hoare annotation was computed. [2019-11-28 17:28:04,773 INFO L246 CegarLoopResult]: For program point L824-1(lines 824 841) no Hoare annotation was computed. [2019-11-28 17:28:04,773 INFO L246 CegarLoopResult]: For program point L989-6(lines 989 993) no Hoare annotation was computed. [2019-11-28 17:28:04,773 INFO L246 CegarLoopResult]: For program point L824-2(lines 824 841) no Hoare annotation was computed. [2019-11-28 17:28:04,773 INFO L246 CegarLoopResult]: For program point L824-3(lines 824 841) no Hoare annotation was computed. [2019-11-28 17:28:04,773 INFO L246 CegarLoopResult]: For program point L989-8(lines 989 993) no Hoare annotation was computed. [2019-11-28 17:28:04,773 INFO L246 CegarLoopResult]: For program point L824-4(lines 824 841) no Hoare annotation was computed. [2019-11-28 17:28:04,773 INFO L246 CegarLoopResult]: For program point L824-5(lines 824 841) no Hoare annotation was computed. [2019-11-28 17:28:04,774 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:28:04,774 INFO L242 CegarLoopResult]: At program point L792(lines 788 810) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2))) [2019-11-28 17:28:04,774 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:28:04,774 INFO L242 CegarLoopResult]: At program point L792-1(lines 788 810) the Hoare annotation is: false [2019-11-28 17:28:04,774 INFO L246 CegarLoopResult]: For program point L726(lines 725 770) no Hoare annotation was computed. [2019-11-28 17:28:04,774 INFO L242 CegarLoopResult]: At program point L792-2(lines 788 810) the Hoare annotation is: false [2019-11-28 17:28:04,775 INFO L246 CegarLoopResult]: For program point L693(lines 693 710) no Hoare annotation was computed. [2019-11-28 17:28:04,775 INFO L242 CegarLoopResult]: At program point L693-1(lines 1 998) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (or .cse4 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 .cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4 2) .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3)))) [2019-11-28 17:28:04,775 INFO L246 CegarLoopResult]: For program point L693-2(lines 693 710) no Hoare annotation was computed. [2019-11-28 17:28:04,775 INFO L242 CegarLoopResult]: At program point L693-3(lines 1 998) the Hoare annotation is: false [2019-11-28 17:28:04,775 INFO L246 CegarLoopResult]: For program point L693-4(lines 693 710) no Hoare annotation was computed. [2019-11-28 17:28:04,775 INFO L242 CegarLoopResult]: At program point L693-5(lines 1 998) the Hoare annotation is: false [2019-11-28 17:28:04,775 INFO L242 CegarLoopResult]: At program point L99-2(lines 99 113) the Hoare annotation is: false [2019-11-28 17:28:04,776 INFO L246 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2019-11-28 17:28:04,776 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-28 17:28:04,776 INFO L246 CegarLoopResult]: For program point L761(lines 761 765) no Hoare annotation was computed. [2019-11-28 17:28:04,776 INFO L246 CegarLoopResult]: For program point L761-2(lines 755 766) no Hoare annotation was computed. [2019-11-28 17:28:04,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:28:04 BoogieIcfgContainer [2019-11-28 17:28:04,811 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:28:04,812 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:28:04,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:28:04,813 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:28:04,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:59" (3/4) ... [2019-11-28 17:28:04,818 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:28:04,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:28:04,864 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:28:04,866 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:28:04,867 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:28:04,869 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:28:04,870 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:28:04,872 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:28:04,907 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && tmp == 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:28:04,907 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:28:04,908 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:28:04,908 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:28:04,909 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:28:04,909 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:28:04,909 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:28:04,910 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:28:04,911 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter [2019-11-28 17:28:04,912 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:28:04,912 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:28:04,912 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter [2019-11-28 17:28:04,913 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:28:05,037 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:28:05,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:28:05,039 INFO L168 Benchmark]: Toolchain (without parser) took 7062.57 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.8 MB). Free memory was 957.7 MB in the beginning and 824.8 MB in the end (delta: 132.9 MB). Peak memory consumption was 354.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:28:05,039 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:28:05,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:28:05,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:28:05,040 INFO L168 Benchmark]: Boogie Preprocessor took 53.54 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:28:05,041 INFO L168 Benchmark]: RCFGBuilder took 1008.87 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: 76.3 MB). Peak memory consumption was 76.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:28:05,041 INFO L168 Benchmark]: TraceAbstraction took 4999.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.0 MB). Free memory was 1.0 GB in the beginning and 839.9 MB in the end (delta: 193.6 MB). Peak memory consumption was 269.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:28:05,042 INFO L168 Benchmark]: Witness Printer took 225.67 ms. Allocated memory is still 1.3 GB. Free memory was 839.9 MB in the beginning and 824.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:28:05,044 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 693.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.79 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 53.54 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1008.87 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: 76.3 MB). Peak memory consumption was 76.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4999.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.0 MB). Free memory was 1.0 GB in the beginning and 839.9 MB in the end (delta: 193.6 MB). Peak memory consumption was 269.6 MB. Max. memory is 11.5 GB. * Witness Printer took 225.67 ms. Allocated memory is still 1.3 GB. Free memory was 839.9 MB in the beginning and 824.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 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: 916]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: ((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: ((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && tmp == 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, HoareTripleCheckerStatistics: 1128 SDtfs, 1064 SDslu, 1525 SDs, 0 SdLazy, 249 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred 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, 384 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 61 PreInvPairs, 134 NumberOfFragments, 685 HoareAnnotationTreeSize, 61 FomulaSimplifications, 21842 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 5778 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 31775 SizeOfPredicates, 4 NumberOfNonLiveVariables, 437 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...