./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product17.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_spec4_product17.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 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:26:41,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:26:41,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:26:41,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:26:41,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:26:41,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:26:41,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:26:41,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:26:41,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:26:41,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:26:41,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:26:41,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:26:41,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:26:41,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:26:41,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:26:41,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:26:41,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:26:41,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:26:41,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:26:41,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:26:41,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:26:41,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:26:41,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:26:41,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:26:41,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:26:41,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:26:41,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:26:41,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:26:41,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:26:41,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:26:41,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:26:41,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:26:41,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:26:41,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:26:41,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:26:41,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:26:41,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:26:41,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:26:41,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:26:41,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:26:41,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:26:41,678 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:26:41,712 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:26:41,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:26:41,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:26:41,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:26:41,717 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:26:41,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:26:41,718 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:26:41,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:26:41,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:26:41,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:26:41,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:26:41,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:26:41,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:26:41,719 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:26:41,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:26:41,723 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:26:41,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:26:41,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:26:41,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:26:41,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:26:41,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:26:41,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:26:41,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:26:41,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:26:41,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:26:41,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:26:41,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:26:41,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:26:41,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:26:41,728 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 -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2019-11-28 17:26:42,051 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:26:42,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:26:42,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:26:42,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:26:42,073 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:26:42,074 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2019-11-28 17:26:42,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bdd7ac0/4987ac92543d494287d76ed7c70e2d7c/FLAGe8840a2ed [2019-11-28 17:26:42,732 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:26:42,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2019-11-28 17:26:42,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bdd7ac0/4987ac92543d494287d76ed7c70e2d7c/FLAGe8840a2ed [2019-11-28 17:26:42,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bdd7ac0/4987ac92543d494287d76ed7c70e2d7c [2019-11-28 17:26:42,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:26:42,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:26:42,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:42,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:26:43,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:26:43,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:42" (1/1) ... [2019-11-28 17:26:43,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a27607f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:43, skipping insertion in model container [2019-11-28 17:26:43,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:42" (1/1) ... [2019-11-28 17:26:43,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:26:43,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:26:43,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:43,488 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:26:43,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:43,615 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:26:43,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:43 WrapperNode [2019-11-28 17:26:43,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:43,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:43,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:26:43,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:26:43,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:43" (1/1) ... [2019-11-28 17:26:43,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:43" (1/1) ... [2019-11-28 17:26:43,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:43,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:26:43,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:26:43,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:26:43,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:43" (1/1) ... [2019-11-28 17:26:43,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:43" (1/1) ... [2019-11-28 17:26:43,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:43" (1/1) ... [2019-11-28 17:26:43,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:43" (1/1) ... [2019-11-28 17:26:43,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:43" (1/1) ... [2019-11-28 17:26:43,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:43" (1/1) ... [2019-11-28 17:26:43,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:43" (1/1) ... [2019-11-28 17:26:43,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:26:43,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:26:43,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:26:43,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:26:43,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:43" (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 17:26:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:26:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:26:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:26:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:26:44,573 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:26:44,573 INFO L287 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-28 17:26:44,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:44 BoogieIcfgContainer [2019-11-28 17:26:44,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:26:44,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:26:44,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:26:44,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:26:44,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:26:42" (1/3) ... [2019-11-28 17:26:44,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37953fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:44, skipping insertion in model container [2019-11-28 17:26:44,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:43" (2/3) ... [2019-11-28 17:26:44,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37953fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:44, skipping insertion in model container [2019-11-28 17:26:44,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:44" (3/3) ... [2019-11-28 17:26:44,583 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2019-11-28 17:26:44,594 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:26:44,601 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:26:44,614 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:26:44,642 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:26:44,643 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:26:44,643 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:26:44,643 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:26:44,643 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:26:44,643 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:26:44,644 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:26:44,644 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:26:44,662 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-11-28 17:26:44,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:26:44,670 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:44,671 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:44,671 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:44,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:44,677 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2019-11-28 17:26:44,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:44,685 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764609243] [2019-11-28 17:26:44,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:44,925 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 17:26:44,926 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764609243] [2019-11-28 17:26:44,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:44,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:44,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239990927] [2019-11-28 17:26:44,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:26:44,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:44,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:26:44,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:26:44,951 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-11-28 17:26:44,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:44,982 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-11-28 17:26:44,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:26:44,984 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 17:26:44,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:44,997 INFO L225 Difference]: With dead ends: 144 [2019-11-28 17:26:44,997 INFO L226 Difference]: Without dead ends: 71 [2019-11-28 17:26:45,001 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 17:26:45,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-28 17:26:45,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-28 17:26:45,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-28 17:26:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-11-28 17:26:45,043 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-11-28 17:26:45,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:45,044 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-28 17:26:45,044 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:26:45,044 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-11-28 17:26:45,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:26:45,045 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:45,045 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:45,046 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:45,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:45,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2019-11-28 17:26:45,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:45,047 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623548398] [2019-11-28 17:26:45,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:45,159 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 17:26:45,159 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623548398] [2019-11-28 17:26:45,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:45,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:26:45,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106669802] [2019-11-28 17:26:45,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:45,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:45,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:45,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:45,166 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-11-28 17:26:45,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:45,180 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-11-28 17:26:45,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:45,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 17:26:45,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:45,184 INFO L225 Difference]: With dead ends: 71 [2019-11-28 17:26:45,185 INFO L226 Difference]: Without dead ends: 33 [2019-11-28 17:26:45,186 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 17:26:45,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-28 17:26:45,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-28 17:26:45,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-28 17:26:45,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-11-28 17:26:45,192 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-11-28 17:26:45,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:45,192 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-11-28 17:26:45,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:45,193 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-11-28 17:26:45,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:26:45,194 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:45,194 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:45,194 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:45,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:45,195 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2019-11-28 17:26:45,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:45,195 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015908106] [2019-11-28 17:26:45,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:45,378 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 17:26:45,379 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015908106] [2019-11-28 17:26:45,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:45,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:45,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799365647] [2019-11-28 17:26:45,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:26:45,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:45,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:26:45,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:26:45,383 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2019-11-28 17:26:45,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:45,513 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-11-28 17:26:45,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:45,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-28 17:26:45,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:45,517 INFO L225 Difference]: With dead ends: 60 [2019-11-28 17:26:45,517 INFO L226 Difference]: Without dead ends: 33 [2019-11-28 17:26:45,518 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:26:45,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-28 17:26:45,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-28 17:26:45,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-28 17:26:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-11-28 17:26:45,533 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-11-28 17:26:45,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:45,534 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-11-28 17:26:45,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:26:45,534 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-11-28 17:26:45,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 17:26:45,540 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:45,541 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] [2019-11-28 17:26:45,542 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:45,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:45,543 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2019-11-28 17:26:45,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:45,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553122126] [2019-11-28 17:26:45,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:45,740 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 17:26:45,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553122126] [2019-11-28 17:26:45,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:45,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 17:26:45,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966392023] [2019-11-28 17:26:45,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:26:45,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:45,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:26:45,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:26:45,743 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2019-11-28 17:26:46,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:46,091 INFO L93 Difference]: Finished difference Result 196 states and 293 transitions. [2019-11-28 17:26:46,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 17:26:46,092 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-11-28 17:26:46,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:46,096 INFO L225 Difference]: With dead ends: 196 [2019-11-28 17:26:46,100 INFO L226 Difference]: Without dead ends: 169 [2019-11-28 17:26:46,101 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-11-28 17:26:46,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-28 17:26:46,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2019-11-28 17:26:46,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-28 17:26:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2019-11-28 17:26:46,137 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2019-11-28 17:26:46,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:46,138 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2019-11-28 17:26:46,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:26:46,138 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2019-11-28 17:26:46,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:26:46,141 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:46,141 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:46,141 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:46,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:46,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1283837447, now seen corresponding path program 1 times [2019-11-28 17:26:46,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:46,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676628047] [2019-11-28 17:26:46,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:46,228 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 17:26:46,229 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676628047] [2019-11-28 17:26:46,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:46,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:46,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669936944] [2019-11-28 17:26:46,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:46,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:46,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:46,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:46,233 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2019-11-28 17:26:46,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:46,253 INFO L93 Difference]: Finished difference Result 132 states and 186 transitions. [2019-11-28 17:26:46,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:46,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:26:46,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:46,254 INFO L225 Difference]: With dead ends: 132 [2019-11-28 17:26:46,255 INFO L226 Difference]: Without dead ends: 60 [2019-11-28 17:26:46,256 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 17:26:46,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-28 17:26:46,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-11-28 17:26:46,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-28 17:26:46,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-11-28 17:26:46,276 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2019-11-28 17:26:46,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:46,277 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-11-28 17:26:46,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-11-28 17:26:46,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-28 17:26:46,284 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:46,285 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:46,285 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:46,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:46,286 INFO L82 PathProgramCache]: Analyzing trace with hash -994505597, now seen corresponding path program 1 times [2019-11-28 17:26:46,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:46,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822005521] [2019-11-28 17:26:46,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 17:26:46,403 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822005521] [2019-11-28 17:26:46,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:46,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:46,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493750313] [2019-11-28 17:26:46,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:46,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:46,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:46,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:46,408 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-11-28 17:26:46,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:46,465 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-11-28 17:26:46,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:46,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-11-28 17:26:46,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:46,468 INFO L225 Difference]: With dead ends: 118 [2019-11-28 17:26:46,468 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:26:46,470 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 17:26:46,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:26:46,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:26:46,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:26:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:26:46,472 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-11-28 17:26:46,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:46,472 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:26:46,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:46,473 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:26:46,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:26:46,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:26:46,801 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2019-11-28 17:26:46,801 INFO L246 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2019-11-28 17:26:46,802 INFO L246 CegarLoopResult]: For program point L85-1(lines 295 301) no Hoare annotation was computed. [2019-11-28 17:26:46,802 INFO L249 CegarLoopResult]: At program point L168(lines 149 171) the Hoare annotation is: true [2019-11-28 17:26:46,802 INFO L242 CegarLoopResult]: At program point L515(lines 510 518) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:46,802 INFO L242 CegarLoopResult]: At program point L515-1(lines 510 518) the Hoare annotation is: false [2019-11-28 17:26:46,802 INFO L242 CegarLoopResult]: At program point L515-2(lines 510 518) the Hoare annotation is: false [2019-11-28 17:26:46,803 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:26:46,803 INFO L242 CegarLoopResult]: At program point L302(lines 302 308) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:46,803 INFO L242 CegarLoopResult]: At program point L302-1(lines 302 308) the Hoare annotation is: false [2019-11-28 17:26:46,803 INFO L242 CegarLoopResult]: At program point L302-2(lines 302 308) the Hoare annotation is: false [2019-11-28 17:26:46,803 INFO L246 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-11-28 17:26:46,804 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-11-28 17:26:46,804 INFO L242 CegarLoopResult]: At program point L435(lines 420 438) the Hoare annotation is: false [2019-11-28 17:26:46,804 INFO L246 CegarLoopResult]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-11-28 17:26:46,804 INFO L242 CegarLoopResult]: At program point L435-1(lines 420 438) the Hoare annotation is: false [2019-11-28 17:26:46,804 INFO L242 CegarLoopResult]: At program point L435-2(lines 420 438) the Hoare annotation is: false [2019-11-28 17:26:46,804 INFO L246 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-11-28 17:26:46,805 INFO L242 CegarLoopResult]: At program point L204(lines 1 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:26:46,805 INFO L242 CegarLoopResult]: At program point L237-1(lines 237 243) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:46,805 INFO L246 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2019-11-28 17:26:46,805 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:26:46,806 INFO L242 CegarLoopResult]: At program point L273(lines 226 274) the Hoare annotation is: false [2019-11-28 17:26:46,806 INFO L246 CegarLoopResult]: For program point L257(lines 257 268) no Hoare annotation was computed. [2019-11-28 17:26:46,806 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2019-11-28 17:26:46,806 INFO L246 CegarLoopResult]: For program point L159(lines 159 166) no Hoare annotation was computed. [2019-11-28 17:26:46,806 INFO L249 CegarLoopResult]: At program point L159-1(lines 159 166) the Hoare annotation is: true [2019-11-28 17:26:46,806 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:26:46,807 INFO L246 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2019-11-28 17:26:46,807 INFO L246 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-11-28 17:26:46,807 INFO L246 CegarLoopResult]: For program point L177-2(line 177) no Hoare annotation was computed. [2019-11-28 17:26:46,807 INFO L242 CegarLoopResult]: At program point L524(lines 519 527) the Hoare annotation is: false [2019-11-28 17:26:46,807 INFO L242 CegarLoopResult]: At program point L524-1(lines 519 527) the Hoare annotation is: false [2019-11-28 17:26:46,807 INFO L246 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2019-11-28 17:26:46,807 INFO L242 CegarLoopResult]: At program point L524-2(lines 519 527) the Hoare annotation is: false [2019-11-28 17:26:46,808 INFO L246 CegarLoopResult]: For program point L327(lines 327 344) no Hoare annotation was computed. [2019-11-28 17:26:46,808 INFO L246 CegarLoopResult]: For program point L327-1(lines 327 344) no Hoare annotation was computed. [2019-11-28 17:26:46,808 INFO L246 CegarLoopResult]: For program point L327-2(lines 327 344) no Hoare annotation was computed. [2019-11-28 17:26:46,808 INFO L246 CegarLoopResult]: For program point L228(lines 227 272) no Hoare annotation was computed. [2019-11-28 17:26:46,808 INFO L242 CegarLoopResult]: At program point L212(lines 207 215) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:26:46,809 INFO L242 CegarLoopResult]: At program point L295(lines 294 313) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:46,809 INFO L246 CegarLoopResult]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2019-11-28 17:26:46,809 INFO L246 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2019-11-28 17:26:46,809 INFO L242 CegarLoopResult]: At program point L295-2(lines 294 313) the Hoare annotation is: false [2019-11-28 17:26:46,809 INFO L242 CegarLoopResult]: At program point L295-3(lines 294 313) the Hoare annotation is: false [2019-11-28 17:26:46,809 INFO L242 CegarLoopResult]: At program point L81-2(lines 81 95) the Hoare annotation is: false [2019-11-28 17:26:46,810 INFO L246 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2019-11-28 17:26:46,810 INFO L246 CegarLoopResult]: For program point L263-2(lines 295 301) no Hoare annotation was computed. [2019-11-28 17:26:46,810 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:26:46,811 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2019-11-28 17:26:46,811 INFO L246 CegarLoopResult]: For program point L247(lines 247 253) no Hoare annotation was computed. [2019-11-28 17:26:46,811 INFO L242 CegarLoopResult]: At program point L247-1(lines 247 253) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:46,811 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-28 17:26:46,812 INFO L246 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2019-11-28 17:26:46,812 INFO L246 CegarLoopResult]: For program point L429-2(lines 429 433) no Hoare annotation was computed. [2019-11-28 17:26:46,812 INFO L246 CegarLoopResult]: For program point L429-3(lines 429 433) no Hoare annotation was computed. [2019-11-28 17:26:46,813 INFO L246 CegarLoopResult]: For program point L429-5(lines 429 433) no Hoare annotation was computed. [2019-11-28 17:26:46,813 INFO L246 CegarLoopResult]: For program point L429-6(lines 429 433) no Hoare annotation was computed. [2019-11-28 17:26:46,813 INFO L246 CegarLoopResult]: For program point L429-8(lines 429 433) no Hoare annotation was computed. [2019-11-28 17:26:46,814 INFO L242 CegarLoopResult]: At program point L132(lines 128 134) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:26:46,814 INFO L246 CegarLoopResult]: For program point L446(lines 446 450) no Hoare annotation was computed. [2019-11-28 17:26:46,815 INFO L242 CegarLoopResult]: At program point L380(lines 375 383) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:46,815 INFO L246 CegarLoopResult]: For program point L446-3(lines 446 450) no Hoare annotation was computed. [2019-11-28 17:26:46,815 INFO L242 CegarLoopResult]: At program point L380-1(lines 375 383) the Hoare annotation is: false [2019-11-28 17:26:46,815 INFO L242 CegarLoopResult]: At program point L380-2(lines 375 383) the Hoare annotation is: false [2019-11-28 17:26:46,816 INFO L246 CegarLoopResult]: For program point L446-6(lines 446 450) no Hoare annotation was computed. [2019-11-28 17:26:46,816 INFO L246 CegarLoopResult]: For program point L331(lines 331 339) no Hoare annotation was computed. [2019-11-28 17:26:46,816 INFO L246 CegarLoopResult]: For program point L331-1(lines 331 339) no Hoare annotation was computed. [2019-11-28 17:26:46,817 INFO L246 CegarLoopResult]: For program point L331-2(lines 331 339) no Hoare annotation was computed. [2019-11-28 17:26:46,817 INFO L246 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-11-28 17:26:46,818 INFO L242 CegarLoopResult]: At program point L51-1(lines 1 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:46,818 INFO L246 CegarLoopResult]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-11-28 17:26:46,818 INFO L242 CegarLoopResult]: At program point L51-3(lines 1 893) the Hoare annotation is: false [2019-11-28 17:26:46,818 INFO L246 CegarLoopResult]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-11-28 17:26:46,819 INFO L242 CegarLoopResult]: At program point L51-5(lines 1 893) the Hoare annotation is: false [2019-11-28 17:26:46,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:26:46 BoogieIcfgContainer [2019-11-28 17:26:46,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:26:46,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:26:46,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:26:46,849 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:26:46,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:44" (3/4) ... [2019-11-28 17:26:46,855 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:26:46,873 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:26:46,874 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:26:46,875 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:26:46,877 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:26:46,878 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:26:46,879 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:46,880 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:46,919 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:26:46,919 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:26:46,920 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:26:46,920 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:26:46,921 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:26:46,921 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:26:46,922 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:26:46,923 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:26:46,924 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:26:46,986 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:26:46,987 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:26:46,989 INFO L168 Benchmark]: Toolchain (without parser) took 3993.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 960.4 MB in the beginning and 849.6 MB in the end (delta: 110.7 MB). Peak memory consumption was 224.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:46,990 INFO L168 Benchmark]: CDTParser took 0.70 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 17:26:46,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:46,991 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:46,992 INFO L168 Benchmark]: Boogie Preprocessor took 39.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:46,992 INFO L168 Benchmark]: RCFGBuilder took 831.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:46,993 INFO L168 Benchmark]: TraceAbstraction took 2271.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 863.3 MB in the end (delta: 170.5 MB). Peak memory consumption was 170.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:46,993 INFO L168 Benchmark]: Witness Printer took 138.84 ms. Allocated memory is still 1.1 GB. Free memory was 863.3 MB in the beginning and 849.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:46,996 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 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 617.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 831.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2271.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 863.3 MB in the end (delta: 170.5 MB). Peak memory consumption was 170.5 MB. Max. memory is 11.5 GB. * Witness Printer took 138.84 ms. Allocated memory is still 1.1 GB. Free memory was 863.3 MB in the beginning and 849.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 331 SDtfs, 568 SDslu, 415 SDs, 0 SdLazy, 116 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, 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, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 72 NumberOfFragments, 174 HoareAnnotationTreeSize, 30 FomulaSimplifications, 2043 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 8926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 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...