./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product51.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 0140910feaef212f3eb8993aa9e49d2064d898fa ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:23:44,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:23:44,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:23:44,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:23:44,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:23:44,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:23:44,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:23:44,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:23:44,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:23:44,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:23:44,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:23:44,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:23:44,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:23:44,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:23:44,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:23:44,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:23:44,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:23:44,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:23:44,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:23:44,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:23:44,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:23:44,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:23:44,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:23:44,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:23:44,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:23:44,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:23:44,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:23:44,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:23:44,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:23:44,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:23:44,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:23:44,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:23:44,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:23:44,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:23:44,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:23:44,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:23:44,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:23:44,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:23:44,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:23:44,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:23:44,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:23:44,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:23:44,671 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:23:44,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:23:44,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:23:44,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:23:44,674 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:23:44,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:23:44,675 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:23:44,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:23:44,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:23:44,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:23:44,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:23:44,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:23:44,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:23:44,678 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:23:44,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:23:44,679 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:23:44,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:23:44,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:23:44,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:23:44,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:23:44,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:23:44,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:23:44,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:23:44,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:23:44,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:23:44,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:23:44,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:23:44,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:23:44,683 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 -> 0140910feaef212f3eb8993aa9e49d2064d898fa [2019-11-28 00:23:44,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:23:44,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:23:44,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:23:44,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:23:45,000 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:23:45,001 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2019-11-28 00:23:45,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79252b1f5/90e3bef09f4a4f338a3995f9e4928e8a/FLAG60cd3fab1 [2019-11-28 00:23:45,592 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:23:45,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2019-11-28 00:23:45,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79252b1f5/90e3bef09f4a4f338a3995f9e4928e8a/FLAG60cd3fab1 [2019-11-28 00:23:45,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79252b1f5/90e3bef09f4a4f338a3995f9e4928e8a [2019-11-28 00:23:45,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:23:45,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:23:45,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:45,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:23:45,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:23:45,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:45" (1/1) ... [2019-11-28 00:23:45,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3463e911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:45, skipping insertion in model container [2019-11-28 00:23:45,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:45" (1/1) ... [2019-11-28 00:23:45,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:23:46,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:23:46,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:46,441 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:23:46,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:46,589 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:23:46,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46 WrapperNode [2019-11-28 00:23:46,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:46,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:46,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:23:46,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:23:46,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:46,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:23:46,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:23:46,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:23:46,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:23:46,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:23:46,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:23:46,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:23:46,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:23:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:23:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:23:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:23:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:23:47,720 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:23:47,721 INFO L297 CfgBuilder]: Removed 174 assume(true) statements. [2019-11-28 00:23:47,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:47 BoogieIcfgContainer [2019-11-28 00:23:47,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:23:47,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:23:47,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:23:47,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:23:47,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:23:45" (1/3) ... [2019-11-28 00:23:47,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3acc16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:47, skipping insertion in model container [2019-11-28 00:23:47,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (2/3) ... [2019-11-28 00:23:47,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3acc16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:47, skipping insertion in model container [2019-11-28 00:23:47,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:47" (3/3) ... [2019-11-28 00:23:47,733 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2019-11-28 00:23:47,744 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:23:47,756 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:23:47,769 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:23:47,810 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:23:47,810 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:23:47,810 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:23:47,810 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:23:47,811 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:23:47,811 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:23:47,811 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:23:47,811 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:23:47,841 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2019-11-28 00:23:47,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:23:47,855 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:47,857 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:47,857 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:47,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:47,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1681835383, now seen corresponding path program 1 times [2019-11-28 00:23:47,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:47,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611143144] [2019-11-28 00:23:47,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:48,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611143144] [2019-11-28 00:23:48,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:48,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:48,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789501984] [2019-11-28 00:23:48,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:23:48,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:48,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:23:48,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:23:48,180 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2019-11-28 00:23:48,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:48,217 INFO L93 Difference]: Finished difference Result 249 states and 376 transitions. [2019-11-28 00:23:48,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:23:48,219 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-28 00:23:48,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:48,233 INFO L225 Difference]: With dead ends: 249 [2019-11-28 00:23:48,233 INFO L226 Difference]: Without dead ends: 124 [2019-11-28 00:23:48,238 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:23:48,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-28 00:23:48,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-11-28 00:23:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-28 00:23:48,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2019-11-28 00:23:48,299 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2019-11-28 00:23:48,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:48,302 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2019-11-28 00:23:48,302 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:23:48,302 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2019-11-28 00:23:48,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 00:23:48,306 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:48,306 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:48,307 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:48,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:48,307 INFO L82 PathProgramCache]: Analyzing trace with hash 124184170, now seen corresponding path program 1 times [2019-11-28 00:23:48,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:48,308 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075933843] [2019-11-28 00:23:48,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:48,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075933843] [2019-11-28 00:23:48,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:48,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:48,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535925794] [2019-11-28 00:23:48,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:48,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:48,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:48,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:48,457 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand 3 states. [2019-11-28 00:23:48,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:48,492 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2019-11-28 00:23:48,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:48,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 00:23:48,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:48,494 INFO L225 Difference]: With dead ends: 124 [2019-11-28 00:23:48,494 INFO L226 Difference]: Without dead ends: 53 [2019-11-28 00:23:48,496 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:48,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-28 00:23:48,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-28 00:23:48,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-28 00:23:48,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-11-28 00:23:48,505 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2019-11-28 00:23:48,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:48,506 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-11-28 00:23:48,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:48,506 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-11-28 00:23:48,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:23:48,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:48,508 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] [2019-11-28 00:23:48,508 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:48,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:48,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1773395585, now seen corresponding path program 1 times [2019-11-28 00:23:48,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:48,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060367617] [2019-11-28 00:23:48,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:48,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:48,655 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060367617] [2019-11-28 00:23:48,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:48,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:48,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362259044] [2019-11-28 00:23:48,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:48,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:48,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:48,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:48,661 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 6 states. [2019-11-28 00:23:48,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:48,854 INFO L93 Difference]: Finished difference Result 171 states and 252 transitions. [2019-11-28 00:23:48,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:23:48,856 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-11-28 00:23:48,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:48,858 INFO L225 Difference]: With dead ends: 171 [2019-11-28 00:23:48,861 INFO L226 Difference]: Without dead ends: 125 [2019-11-28 00:23:48,862 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:23:48,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-28 00:23:48,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 75. [2019-11-28 00:23:48,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-28 00:23:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2019-11-28 00:23:48,893 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 26 [2019-11-28 00:23:48,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:48,895 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2019-11-28 00:23:48,897 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:48,898 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2019-11-28 00:23:48,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 00:23:48,899 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:48,899 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 00:23:48,900 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:48,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:48,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1811224639, now seen corresponding path program 1 times [2019-11-28 00:23:48,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:48,902 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449852547] [2019-11-28 00:23:48,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:49,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:49,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449852547] [2019-11-28 00:23:49,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:49,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:49,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332480619] [2019-11-28 00:23:49,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:49,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:49,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:49,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:49,011 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand 3 states. [2019-11-28 00:23:49,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:49,061 INFO L93 Difference]: Finished difference Result 167 states and 245 transitions. [2019-11-28 00:23:49,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:49,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-28 00:23:49,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:49,064 INFO L225 Difference]: With dead ends: 167 [2019-11-28 00:23:49,064 INFO L226 Difference]: Without dead ends: 99 [2019-11-28 00:23:49,065 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:49,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-11-28 00:23:49,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2019-11-28 00:23:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-28 00:23:49,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2019-11-28 00:23:49,080 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 28 [2019-11-28 00:23:49,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:49,080 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2019-11-28 00:23:49,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:49,080 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2019-11-28 00:23:49,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 00:23:49,082 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:49,082 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:49,082 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:49,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:49,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1504916170, now seen corresponding path program 1 times [2019-11-28 00:23:49,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:49,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134268059] [2019-11-28 00:23:49,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:49,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:49,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134268059] [2019-11-28 00:23:49,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:49,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:23:49,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685159393] [2019-11-28 00:23:49,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:49,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:49,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:49,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:49,211 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand 5 states. [2019-11-28 00:23:49,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:49,381 INFO L93 Difference]: Finished difference Result 314 states and 445 transitions. [2019-11-28 00:23:49,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:49,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-28 00:23:49,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:49,384 INFO L225 Difference]: With dead ends: 314 [2019-11-28 00:23:49,384 INFO L226 Difference]: Without dead ends: 224 [2019-11-28 00:23:49,386 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:23:49,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-11-28 00:23:49,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 95. [2019-11-28 00:23:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-28 00:23:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 131 transitions. [2019-11-28 00:23:49,419 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 131 transitions. Word has length 29 [2019-11-28 00:23:49,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:49,420 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 131 transitions. [2019-11-28 00:23:49,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:49,420 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2019-11-28 00:23:49,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:23:49,422 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:49,422 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:49,422 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:49,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:49,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1415533294, now seen corresponding path program 1 times [2019-11-28 00:23:49,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:49,423 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036937191] [2019-11-28 00:23:49,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:49,499 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036937191] [2019-11-28 00:23:49,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:49,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:49,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931086662] [2019-11-28 00:23:49,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:49,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:49,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:49,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:49,502 INFO L87 Difference]: Start difference. First operand 95 states and 131 transitions. Second operand 5 states. [2019-11-28 00:23:49,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:49,581 INFO L93 Difference]: Finished difference Result 276 states and 380 transitions. [2019-11-28 00:23:49,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:23:49,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 00:23:49,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:49,584 INFO L225 Difference]: With dead ends: 276 [2019-11-28 00:23:49,584 INFO L226 Difference]: Without dead ends: 188 [2019-11-28 00:23:49,585 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:23:49,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-11-28 00:23:49,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 101. [2019-11-28 00:23:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-11-28 00:23:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 137 transitions. [2019-11-28 00:23:49,602 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 137 transitions. Word has length 34 [2019-11-28 00:23:49,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:49,605 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 137 transitions. [2019-11-28 00:23:49,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:49,606 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2019-11-28 00:23:49,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:23:49,611 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:49,611 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:49,614 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:49,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:49,615 INFO L82 PathProgramCache]: Analyzing trace with hash 2116597872, now seen corresponding path program 1 times [2019-11-28 00:23:49,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:49,615 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751765731] [2019-11-28 00:23:49,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:49,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:49,706 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751765731] [2019-11-28 00:23:49,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:49,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:23:49,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034993318] [2019-11-28 00:23:49,707 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:49,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:49,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:49,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:49,708 INFO L87 Difference]: Start difference. First operand 101 states and 137 transitions. Second operand 6 states. [2019-11-28 00:23:49,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:49,835 INFO L93 Difference]: Finished difference Result 293 states and 397 transitions. [2019-11-28 00:23:49,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:23:49,836 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-11-28 00:23:49,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:49,838 INFO L225 Difference]: With dead ends: 293 [2019-11-28 00:23:49,838 INFO L226 Difference]: Without dead ends: 199 [2019-11-28 00:23:49,840 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-28 00:23:49,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-11-28 00:23:49,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 105. [2019-11-28 00:23:49,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-28 00:23:49,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 141 transitions. [2019-11-28 00:23:49,858 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 141 transitions. Word has length 34 [2019-11-28 00:23:49,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:49,859 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 141 transitions. [2019-11-28 00:23:49,859 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2019-11-28 00:23:49,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:23:49,863 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:49,863 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:49,863 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:49,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:49,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1529791858, now seen corresponding path program 1 times [2019-11-28 00:23:49,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:49,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235951232] [2019-11-28 00:23:49,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:49,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:49,913 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235951232] [2019-11-28 00:23:49,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:49,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:49,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396446133] [2019-11-28 00:23:49,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:49,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:49,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:49,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:49,916 INFO L87 Difference]: Start difference. First operand 105 states and 141 transitions. Second operand 3 states. [2019-11-28 00:23:49,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:49,954 INFO L93 Difference]: Finished difference Result 253 states and 341 transitions. [2019-11-28 00:23:49,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:49,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 00:23:49,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:49,956 INFO L225 Difference]: With dead ends: 253 [2019-11-28 00:23:49,956 INFO L226 Difference]: Without dead ends: 155 [2019-11-28 00:23:49,957 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:49,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-28 00:23:49,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-11-28 00:23:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-28 00:23:49,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 204 transitions. [2019-11-28 00:23:49,978 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 204 transitions. Word has length 34 [2019-11-28 00:23:49,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:49,980 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 204 transitions. [2019-11-28 00:23:49,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:49,980 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 204 transitions. [2019-11-28 00:23:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 00:23:49,987 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:49,988 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:49,988 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:49,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:49,990 INFO L82 PathProgramCache]: Analyzing trace with hash 133845682, now seen corresponding path program 1 times [2019-11-28 00:23:49,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:49,991 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571183697] [2019-11-28 00:23:49,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:50,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:50,134 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571183697] [2019-11-28 00:23:50,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:50,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:23:50,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639056620] [2019-11-28 00:23:50,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:50,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:50,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:50,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:50,141 INFO L87 Difference]: Start difference. First operand 155 states and 204 transitions. Second operand 6 states. [2019-11-28 00:23:50,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:50,502 INFO L93 Difference]: Finished difference Result 567 states and 765 transitions. [2019-11-28 00:23:50,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:50,503 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-28 00:23:50,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:50,506 INFO L225 Difference]: With dead ends: 567 [2019-11-28 00:23:50,506 INFO L226 Difference]: Without dead ends: 469 [2019-11-28 00:23:50,507 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:23:50,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2019-11-28 00:23:50,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 221. [2019-11-28 00:23:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-11-28 00:23:50,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 288 transitions. [2019-11-28 00:23:50,544 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 288 transitions. Word has length 35 [2019-11-28 00:23:50,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:50,547 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 288 transitions. [2019-11-28 00:23:50,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 288 transitions. [2019-11-28 00:23:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:23:50,551 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:50,552 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] [2019-11-28 00:23:50,552 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:50,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:50,553 INFO L82 PathProgramCache]: Analyzing trace with hash 767046238, now seen corresponding path program 1 times [2019-11-28 00:23:50,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:50,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473388906] [2019-11-28 00:23:50,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:50,659 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473388906] [2019-11-28 00:23:50,659 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81718904] [2019-11-28 00:23:50,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:50,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 00:23:50,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:23:50,876 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:50,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:23:50,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2019-11-28 00:23:50,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259153101] [2019-11-28 00:23:50,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 00:23:50,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:50,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 00:23:50,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-11-28 00:23:50,879 INFO L87 Difference]: Start difference. First operand 221 states and 288 transitions. Second operand 10 states. [2019-11-28 00:23:51,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:51,252 INFO L93 Difference]: Finished difference Result 437 states and 582 transitions. [2019-11-28 00:23:51,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:51,253 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2019-11-28 00:23:51,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:51,254 INFO L225 Difference]: With dead ends: 437 [2019-11-28 00:23:51,254 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:23:51,255 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-11-28 00:23:51,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:23:51,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:23:51,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:23:51,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:23:51,257 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-28 00:23:51,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:51,257 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:23:51,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 00:23:51,257 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:23:51,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:23:51,462 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:51,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:23:51,741 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 104 [2019-11-28 00:23:52,018 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 104 [2019-11-28 00:23:52,158 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 109 [2019-11-28 00:23:52,436 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 102 [2019-11-28 00:23:52,816 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 28 [2019-11-28 00:23:53,176 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 39 [2019-11-28 00:23:53,590 WARN L192 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 34 [2019-11-28 00:23:53,985 WARN L192 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 34 [2019-11-28 00:23:54,623 WARN L192 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 34 [2019-11-28 00:23:55,037 WARN L192 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 31 [2019-11-28 00:23:55,327 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2019-11-28 00:23:55,583 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 34 [2019-11-28 00:23:55,758 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2019-11-28 00:23:56,230 WARN L192 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 31 [2019-11-28 00:23:56,390 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 30 [2019-11-28 00:23:56,395 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2019-11-28 00:23:56,395 INFO L249 CegarLoopResult]: At program point L367(lines 348 370) the Hoare annotation is: true [2019-11-28 00:23:56,396 INFO L242 CegarLoopResult]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse4) (and .cse0 .cse1 .cse5 (<= 2 ~waterLevel~0) .cse2 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4))) [2019-11-28 00:23:56,396 INFO L242 CegarLoopResult]: At program point L70-1(lines 70 76) the Hoare annotation is: false [2019-11-28 00:23:56,396 INFO L242 CegarLoopResult]: At program point L70-2(lines 70 76) the Hoare annotation is: false [2019-11-28 00:23:56,396 INFO L242 CegarLoopResult]: At program point L929(lines 920 933) the Hoare annotation is: false [2019-11-28 00:23:56,397 INFO L242 CegarLoopResult]: At program point L929-1(lines 920 933) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse3 .cse4 .cse5))) [2019-11-28 00:23:56,398 INFO L242 CegarLoopResult]: At program point L929-2(lines 920 933) the Hoare annotation is: false [2019-11-28 00:23:56,398 INFO L242 CegarLoopResult]: At program point L929-3(lines 920 933) the Hoare annotation is: false [2019-11-28 00:23:56,398 INFO L242 CegarLoopResult]: At program point L929-4(lines 920 933) the Hoare annotation is: false [2019-11-28 00:23:56,398 INFO L242 CegarLoopResult]: At program point L929-5(lines 920 933) the Hoare annotation is: false [2019-11-28 00:23:56,398 INFO L246 CegarLoopResult]: For program point L402(lines 402 408) no Hoare annotation was computed. [2019-11-28 00:23:56,398 INFO L242 CegarLoopResult]: At program point L402-1(lines 402 408) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse4) (and .cse0 .cse1 .cse5 (<= 2 ~waterLevel~0) .cse2 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4))) [2019-11-28 00:23:56,399 INFO L242 CegarLoopResult]: At program point L469(lines 464 472) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:56,399 INFO L242 CegarLoopResult]: At program point L174(lines 169 177) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse6 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse2 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse4 (<= 2 ~waterLevel~0) .cse2 .cse5 .cse6 .cse3))) [2019-11-28 00:23:56,399 INFO L242 CegarLoopResult]: At program point L174-1(lines 169 177) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) .cse3))) [2019-11-28 00:23:56,399 INFO L242 CegarLoopResult]: At program point L174-2(lines 169 177) the Hoare annotation is: false [2019-11-28 00:23:56,399 INFO L242 CegarLoopResult]: At program point L174-3(lines 169 177) the Hoare annotation is: false [2019-11-28 00:23:56,399 INFO L242 CegarLoopResult]: At program point L174-4(lines 169 177) the Hoare annotation is: false [2019-11-28 00:23:56,400 INFO L242 CegarLoopResult]: At program point L174-5(lines 169 177) the Hoare annotation is: false [2019-11-28 00:23:56,400 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2019-11-28 00:23:56,400 INFO L246 CegarLoopResult]: For program point L242(lines 242 246) no Hoare annotation was computed. [2019-11-28 00:23:56,400 INFO L246 CegarLoopResult]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2019-11-28 00:23:56,400 INFO L246 CegarLoopResult]: For program point L242-3(lines 242 246) no Hoare annotation was computed. [2019-11-28 00:23:56,400 INFO L246 CegarLoopResult]: For program point L242-5(lines 242 246) no Hoare annotation was computed. [2019-11-28 00:23:56,400 INFO L246 CegarLoopResult]: For program point L242-6(lines 242 246) no Hoare annotation was computed. [2019-11-28 00:23:56,401 INFO L246 CegarLoopResult]: For program point L242-8(lines 242 246) no Hoare annotation was computed. [2019-11-28 00:23:56,401 INFO L242 CegarLoopResult]: At program point L969(lines 63 69) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) .cse3))) [2019-11-28 00:23:56,401 INFO L242 CegarLoopResult]: At program point L969-1(lines 63 69) the Hoare annotation is: false [2019-11-28 00:23:56,401 INFO L242 CegarLoopResult]: At program point L969-2(lines 63 69) the Hoare annotation is: false [2019-11-28 00:23:56,401 INFO L246 CegarLoopResult]: For program point L871(lines 871 875) no Hoare annotation was computed. [2019-11-28 00:23:56,402 INFO L242 CegarLoopResult]: At program point L939(lines 934 942) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:56,402 INFO L242 CegarLoopResult]: At program point L939-1(lines 934 942) the Hoare annotation is: false [2019-11-28 00:23:56,402 INFO L242 CegarLoopResult]: At program point L939-2(lines 934 942) the Hoare annotation is: false [2019-11-28 00:23:56,402 INFO L242 CegarLoopResult]: At program point L279-2(lines 279 293) the Hoare annotation is: false [2019-11-28 00:23:56,402 INFO L246 CegarLoopResult]: For program point L412(lines 412 425) no Hoare annotation was computed. [2019-11-28 00:23:56,402 INFO L246 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2019-11-28 00:23:56,403 INFO L242 CegarLoopResult]: At program point L248(lines 233 251) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:56,403 INFO L242 CegarLoopResult]: At program point L248-1(lines 233 251) the Hoare annotation is: false [2019-11-28 00:23:56,403 INFO L242 CegarLoopResult]: At program point L248-2(lines 233 251) the Hoare annotation is: false [2019-11-28 00:23:56,403 INFO L246 CegarLoopResult]: For program point L283(lines 283 287) no Hoare annotation was computed. [2019-11-28 00:23:56,403 INFO L246 CegarLoopResult]: For program point L283-1(lines 283 287) no Hoare annotation was computed. [2019-11-28 00:23:56,403 INFO L246 CegarLoopResult]: For program point L383(lines 382 429) no Hoare annotation was computed. [2019-11-28 00:23:56,403 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:23:56,403 INFO L246 CegarLoopResult]: For program point L384(lines 384 388) no Hoare annotation was computed. [2019-11-28 00:23:56,404 INFO L246 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2019-11-28 00:23:56,404 INFO L246 CegarLoopResult]: For program point L847-3(lines 847 851) no Hoare annotation was computed. [2019-11-28 00:23:56,404 INFO L246 CegarLoopResult]: For program point L847-6(lines 847 851) no Hoare annotation was computed. [2019-11-28 00:23:56,404 INFO L246 CegarLoopResult]: For program point L418(lines 418 424) no Hoare annotation was computed. [2019-11-28 00:23:56,404 INFO L242 CegarLoopResult]: At program point L418-1(lines 418 424) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 (= ~pumpRunning~0 0) .cse5))) [2019-11-28 00:23:56,404 INFO L246 CegarLoopResult]: For program point L121(lines 121 138) no Hoare annotation was computed. [2019-11-28 00:23:56,405 INFO L246 CegarLoopResult]: For program point L121-1(lines 121 138) no Hoare annotation was computed. [2019-11-28 00:23:56,405 INFO L246 CegarLoopResult]: For program point L121-2(lines 121 138) no Hoare annotation was computed. [2019-11-28 00:23:56,405 INFO L246 CegarLoopResult]: For program point L980(lines 980 997) no Hoare annotation was computed. [2019-11-28 00:23:56,405 INFO L242 CegarLoopResult]: At program point L980-1(lines 1 1000) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse4) (and .cse0 .cse1 .cse5 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9) (<= 2 ~waterLevel~0) .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4))) [2019-11-28 00:23:56,405 INFO L246 CegarLoopResult]: For program point L980-2(lines 980 997) no Hoare annotation was computed. [2019-11-28 00:23:56,405 INFO L242 CegarLoopResult]: At program point L980-3(lines 1 1000) the Hoare annotation is: false [2019-11-28 00:23:56,405 INFO L246 CegarLoopResult]: For program point L980-4(lines 980 997) no Hoare annotation was computed. [2019-11-28 00:23:56,406 INFO L242 CegarLoopResult]: At program point L980-5(lines 1 1000) the Hoare annotation is: false [2019-11-28 00:23:56,406 INFO L246 CegarLoopResult]: For program point L948(line 948) no Hoare annotation was computed. [2019-11-28 00:23:56,406 INFO L246 CegarLoopResult]: For program point L948-1(line 948) no Hoare annotation was computed. [2019-11-28 00:23:56,406 INFO L246 CegarLoopResult]: For program point L948-2(line 948) no Hoare annotation was computed. [2019-11-28 00:23:56,406 INFO L242 CegarLoopResult]: At program point L916(lines 911 919) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse4) (and .cse0 .cse1 .cse5 (<= 2 ~waterLevel~0) .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4))) [2019-11-28 00:23:56,406 INFO L242 CegarLoopResult]: At program point L916-1(lines 911 919) the Hoare annotation is: false [2019-11-28 00:23:56,406 INFO L242 CegarLoopResult]: At program point L916-2(lines 911 919) the Hoare annotation is: false [2019-11-28 00:23:56,406 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:23:56,406 INFO L246 CegarLoopResult]: For program point L256(lines 256 262) no Hoare annotation was computed. [2019-11-28 00:23:56,407 INFO L242 CegarLoopResult]: At program point L256-1(lines 256 262) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:56,407 INFO L246 CegarLoopResult]: For program point L223(lines 223 227) no Hoare annotation was computed. [2019-11-28 00:23:56,407 INFO L246 CegarLoopResult]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2019-11-28 00:23:56,407 INFO L246 CegarLoopResult]: For program point L223-3(lines 223 227) no Hoare annotation was computed. [2019-11-28 00:23:56,407 INFO L246 CegarLoopResult]: For program point L223-5(lines 223 227) no Hoare annotation was computed. [2019-11-28 00:23:56,407 INFO L246 CegarLoopResult]: For program point L223-6(lines 223 227) no Hoare annotation was computed. [2019-11-28 00:23:56,407 INFO L246 CegarLoopResult]: For program point L223-8(lines 223 227) no Hoare annotation was computed. [2019-11-28 00:23:56,407 INFO L246 CegarLoopResult]: For program point L223-9(lines 223 227) no Hoare annotation was computed. [2019-11-28 00:23:56,407 INFO L246 CegarLoopResult]: For program point L223-11(lines 223 227) no Hoare annotation was computed. [2019-11-28 00:23:56,408 INFO L246 CegarLoopResult]: For program point L223-12(lines 223 227) no Hoare annotation was computed. [2019-11-28 00:23:56,408 INFO L246 CegarLoopResult]: For program point L223-14(lines 223 227) no Hoare annotation was computed. [2019-11-28 00:23:56,408 INFO L246 CegarLoopResult]: For program point L223-15(lines 223 227) no Hoare annotation was computed. [2019-11-28 00:23:56,408 INFO L246 CegarLoopResult]: For program point L223-17(lines 223 227) no Hoare annotation was computed. [2019-11-28 00:23:56,408 INFO L246 CegarLoopResult]: For program point L125(lines 125 133) no Hoare annotation was computed. [2019-11-28 00:23:56,408 INFO L246 CegarLoopResult]: For program point L125-1(lines 125 133) no Hoare annotation was computed. [2019-11-28 00:23:56,408 INFO L246 CegarLoopResult]: For program point L125-2(lines 125 133) no Hoare annotation was computed. [2019-11-28 00:23:56,408 INFO L246 CegarLoopResult]: For program point L984(lines 984 994) no Hoare annotation was computed. [2019-11-28 00:23:56,408 INFO L246 CegarLoopResult]: For program point L984-2(lines 984 994) no Hoare annotation was computed. [2019-11-28 00:23:56,408 INFO L246 CegarLoopResult]: For program point L984-4(lines 984 994) no Hoare annotation was computed. [2019-11-28 00:23:56,409 INFO L246 CegarLoopResult]: For program point L985(lines 985 991) no Hoare annotation was computed. [2019-11-28 00:23:56,409 INFO L246 CegarLoopResult]: For program point L985-2(lines 985 991) no Hoare annotation was computed. [2019-11-28 00:23:56,409 INFO L246 CegarLoopResult]: For program point L985-4(lines 985 991) no Hoare annotation was computed. [2019-11-28 00:23:56,409 INFO L246 CegarLoopResult]: For program point L358(lines 358 365) no Hoare annotation was computed. [2019-11-28 00:23:56,409 INFO L249 CegarLoopResult]: At program point L358-1(lines 358 365) the Hoare annotation is: true [2019-11-28 00:23:56,409 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:23:56,409 INFO L246 CegarLoopResult]: For program point L392(lines 392 398) no Hoare annotation was computed. [2019-11-28 00:23:56,409 INFO L242 CegarLoopResult]: At program point L392-1(lines 392 398) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse4) (and .cse0 .cse1 .cse5 (<= 2 ~waterLevel~0) .cse2 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4))) [2019-11-28 00:23:56,409 INFO L246 CegarLoopResult]: For program point L95(lines 95 112) no Hoare annotation was computed. [2019-11-28 00:23:56,410 INFO L246 CegarLoopResult]: For program point L95-1(lines 95 112) no Hoare annotation was computed. [2019-11-28 00:23:56,410 INFO L246 CegarLoopResult]: For program point L95-2(lines 95 112) no Hoare annotation was computed. [2019-11-28 00:23:56,410 INFO L246 CegarLoopResult]: For program point L95-3(lines 95 112) no Hoare annotation was computed. [2019-11-28 00:23:56,410 INFO L246 CegarLoopResult]: For program point L95-4(lines 95 112) no Hoare annotation was computed. [2019-11-28 00:23:56,410 INFO L246 CegarLoopResult]: For program point L95-5(lines 95 112) no Hoare annotation was computed. [2019-11-28 00:23:56,410 INFO L242 CegarLoopResult]: At program point L63(lines 59 81) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse4))) [2019-11-28 00:23:56,410 INFO L242 CegarLoopResult]: At program point L63-1(lines 59 81) the Hoare annotation is: false [2019-11-28 00:23:56,410 INFO L242 CegarLoopResult]: At program point L63-2(lines 59 81) the Hoare annotation is: false [2019-11-28 00:23:56,411 INFO L242 CegarLoopResult]: At program point L229(lines 214 232) the Hoare annotation is: false [2019-11-28 00:23:56,411 INFO L242 CegarLoopResult]: At program point L229-1(lines 214 232) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse1 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) .cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse3 .cse4 .cse5))) [2019-11-28 00:23:56,411 INFO L242 CegarLoopResult]: At program point L229-2(lines 214 232) the Hoare annotation is: false [2019-11-28 00:23:56,411 INFO L242 CegarLoopResult]: At program point L229-3(lines 214 232) the Hoare annotation is: false [2019-11-28 00:23:56,411 INFO L242 CegarLoopResult]: At program point L229-4(lines 214 232) the Hoare annotation is: false [2019-11-28 00:23:56,411 INFO L242 CegarLoopResult]: At program point L229-5(lines 214 232) the Hoare annotation is: false [2019-11-28 00:23:56,411 INFO L242 CegarLoopResult]: At program point L461(lines 1 1000) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:56,411 INFO L242 CegarLoopResult]: At program point L329(lines 325 331) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:56,412 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:23:56,412 INFO L246 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2019-11-28 00:23:56,412 INFO L246 CegarLoopResult]: For program point L924-1(lines 924 930) no Hoare annotation was computed. [2019-11-28 00:23:56,412 INFO L246 CegarLoopResult]: For program point L924-2(lines 924 930) no Hoare annotation was computed. [2019-11-28 00:23:56,412 INFO L246 CegarLoopResult]: For program point L924-3(lines 924 930) no Hoare annotation was computed. [2019-11-28 00:23:56,412 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2019-11-28 00:23:56,412 INFO L246 CegarLoopResult]: For program point L924-4(lines 924 930) no Hoare annotation was computed. [2019-11-28 00:23:56,412 INFO L246 CegarLoopResult]: For program point L924-5(lines 924 930) no Hoare annotation was computed. [2019-11-28 00:23:56,412 INFO L246 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2019-11-28 00:23:56,413 INFO L246 CegarLoopResult]: For program point L99-1(lines 99 107) no Hoare annotation was computed. [2019-11-28 00:23:56,413 INFO L246 CegarLoopResult]: For program point L99-2(lines 99 107) no Hoare annotation was computed. [2019-11-28 00:23:56,413 INFO L246 CegarLoopResult]: For program point L99-3(lines 99 107) no Hoare annotation was computed. [2019-11-28 00:23:56,413 INFO L246 CegarLoopResult]: For program point L99-4(lines 99 107) no Hoare annotation was computed. [2019-11-28 00:23:56,413 INFO L246 CegarLoopResult]: For program point L99-5(lines 99 107) no Hoare annotation was computed. [2019-11-28 00:23:56,413 INFO L246 CegarLoopResult]: For program point L859(lines 859 863) no Hoare annotation was computed. [2019-11-28 00:23:56,413 INFO L242 CegarLoopResult]: At program point L430(lines 381 431) the Hoare annotation is: false [2019-11-28 00:23:56,413 INFO L242 CegarLoopResult]: At program point L959(lines 954 961) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:56,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:23:56 BoogieIcfgContainer [2019-11-28 00:23:56,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:23:56,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:23:56,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:23:56,452 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:23:56,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:47" (3/4) ... [2019-11-28 00:23:56,456 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:23:56,480 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:23:56,481 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:23:56,482 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:23:56,483 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:23:56,485 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:23:56,486 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:56,487 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:56,519 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 00:23:56,520 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 00:23:56,520 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 00:23:56,520 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && tmp <= 2) && 2 <= tmp) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:56,521 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:56,521 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:56,522 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:56,522 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:23:56,523 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:56,523 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:56,523 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:56,524 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:56,525 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:56,526 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 00:23:56,526 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:56,527 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:56,527 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 00:23:56,528 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((1 == tmp && 0 == \result) && \result == 1) && !(0 == tmp)) && waterLevel <= 2) && 0 == tmp___0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:23:56,658 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:23:56,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:23:56,660 INFO L168 Benchmark]: Toolchain (without parser) took 10734.10 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 333.4 MB). Free memory was 955.0 MB in the beginning and 1.3 GB in the end (delta: -321.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:56,661 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:23:56,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:56,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:56,662 INFO L168 Benchmark]: Boogie Preprocessor took 48.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:23:56,662 INFO L168 Benchmark]: RCFGBuilder took 994.98 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: 63.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:56,663 INFO L168 Benchmark]: TraceAbstraction took 8726.82 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -233.4 MB). Peak memory consumption was 393.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:56,663 INFO L168 Benchmark]: Witness Printer took 207.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:56,665 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 662.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 994.98 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: 63.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8726.82 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -233.4 MB). Peak memory consumption was 393.4 MB. Max. memory is 11.5 GB. * Witness Printer took 207.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 948]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 948]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 948]: 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: 934]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && tmp <= 2) && 2 <= tmp) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: ((((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((1 == tmp && \result == 1) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == tmp && \result == 1) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == tmp && \result == 1) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((1 == tmp && 0 == \result) && \result == 1) && !(0 == tmp)) && waterLevel <= 2) && 0 == tmp___0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 3 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, HoareTripleCheckerStatistics: 1098 SDtfs, 1576 SDslu, 1870 SDs, 0 SdLazy, 310 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 610 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 174 NumberOfFragments, 1016 HoareAnnotationTreeSize, 51 FomulaSimplifications, 41792 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 101428 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 30393 SizeOfPredicates, 4 NumberOfNonLiveVariables, 421 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...