./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product45.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_product45.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 37cb317c3bc7664ed231fa78380e175cc6a4d8af ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:23:37,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:23:37,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:23:37,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:23:37,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:23:37,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:23:37,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:23:37,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:23:37,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:23:37,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:23:37,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:23:37,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:23:37,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:23:37,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:23:37,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:23:37,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:23:37,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:23:37,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:23:37,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:23:37,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:23:37,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:23:37,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:23:37,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:23:37,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:23:37,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:23:37,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:23:37,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:23:37,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:23:37,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:23:37,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:23:37,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:23:37,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:23:37,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:23:37,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:23:37,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:23:37,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:23:37,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:23:37,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:23:37,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:23:37,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:23:37,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:23:37,588 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:23:37,624 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:23:37,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:23:37,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:23:37,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:23:37,635 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:23:37,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:23:37,636 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:23:37,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:23:37,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:23:37,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:23:37,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:23:37,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:23:37,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:23:37,638 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:23:37,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:23:37,638 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:23:37,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:23:37,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:23:37,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:23:37,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:23:37,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:23:37,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:23:37,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:23:37,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:23:37,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:23:37,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:23:37,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:23:37,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:23:37,643 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 -> 37cb317c3bc7664ed231fa78380e175cc6a4d8af [2019-11-28 00:23:37,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:23:38,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:23:38,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:23:38,005 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:23:38,006 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:23:38,007 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c [2019-11-28 00:23:38,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d35c56a2/010df32eff4e48e9b8a895db76a76589/FLAG5def8d331 [2019-11-28 00:23:38,586 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:23:38,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c [2019-11-28 00:23:38,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d35c56a2/010df32eff4e48e9b8a895db76a76589/FLAG5def8d331 [2019-11-28 00:23:38,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d35c56a2/010df32eff4e48e9b8a895db76a76589 [2019-11-28 00:23:38,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:23:38,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:23:38,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:38,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:23:38,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:23:38,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:38" (1/1) ... [2019-11-28 00:23:38,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67529377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:38, skipping insertion in model container [2019-11-28 00:23:38,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:38" (1/1) ... [2019-11-28 00:23:38,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:23:39,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:23:39,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:39,429 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:23:39,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:39,595 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:23:39,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:39 WrapperNode [2019-11-28 00:23:39,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:39,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:39,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:23:39,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:23:39,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:39" (1/1) ... [2019-11-28 00:23:39,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:39" (1/1) ... [2019-11-28 00:23:39,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:39,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:23:39,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:23:39,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:23:39,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:39" (1/1) ... [2019-11-28 00:23:39,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:39" (1/1) ... [2019-11-28 00:23:39,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:39" (1/1) ... [2019-11-28 00:23:39,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:39" (1/1) ... [2019-11-28 00:23:39,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:39" (1/1) ... [2019-11-28 00:23:39,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:39" (1/1) ... [2019-11-28 00:23:39,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:39" (1/1) ... [2019-11-28 00:23:39,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:23:39,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:23:39,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:23:39,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:23:39,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:39" (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 00:23:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:23:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:23:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:23:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:23:40,719 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:23:40,719 INFO L297 CfgBuilder]: Removed 206 assume(true) statements. [2019-11-28 00:23:40,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:40 BoogieIcfgContainer [2019-11-28 00:23:40,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:23:40,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:23:40,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:23:40,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:23:40,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:23:38" (1/3) ... [2019-11-28 00:23:40,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1137212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:40, skipping insertion in model container [2019-11-28 00:23:40,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:39" (2/3) ... [2019-11-28 00:23:40,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1137212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:40, skipping insertion in model container [2019-11-28 00:23:40,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:40" (3/3) ... [2019-11-28 00:23:40,734 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2019-11-28 00:23:40,745 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:23:40,753 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:23:40,767 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:23:40,807 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:23:40,808 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:23:40,808 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:23:40,808 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:23:40,812 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:23:40,812 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:23:40,812 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:23:40,813 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:23:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2019-11-28 00:23:40,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:23:40,858 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:40,860 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 00:23:40,860 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:40,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:40,866 INFO L82 PathProgramCache]: Analyzing trace with hash -2038923744, now seen corresponding path program 1 times [2019-11-28 00:23:40,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:40,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179203482] [2019-11-28 00:23:40,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:41,154 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 00:23:41,155 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179203482] [2019-11-28 00:23:41,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:41,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:41,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20187797] [2019-11-28 00:23:41,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:23:41,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:41,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:23:41,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:23:41,182 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2019-11-28 00:23:41,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:41,222 INFO L93 Difference]: Finished difference Result 269 states and 400 transitions. [2019-11-28 00:23:41,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:23:41,224 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-28 00:23:41,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:41,240 INFO L225 Difference]: With dead ends: 269 [2019-11-28 00:23:41,240 INFO L226 Difference]: Without dead ends: 134 [2019-11-28 00:23:41,247 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 00:23:41,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-28 00:23:41,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-11-28 00:23:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-28 00:23:41,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2019-11-28 00:23:41,305 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 192 transitions. Word has length 19 [2019-11-28 00:23:41,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:41,305 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 192 transitions. [2019-11-28 00:23:41,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:23:41,306 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2019-11-28 00:23:41,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 00:23:41,307 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:41,307 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 00:23:41,308 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:41,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:41,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1183223248, now seen corresponding path program 1 times [2019-11-28 00:23:41,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:41,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174808182] [2019-11-28 00:23:41,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:41,452 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 00:23:41,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174808182] [2019-11-28 00:23:41,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:41,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:41,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184925608] [2019-11-28 00:23:41,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:41,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:41,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:41,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:41,457 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. Second operand 3 states. [2019-11-28 00:23:41,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:41,483 INFO L93 Difference]: Finished difference Result 134 states and 192 transitions. [2019-11-28 00:23:41,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:41,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 00:23:41,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:41,485 INFO L225 Difference]: With dead ends: 134 [2019-11-28 00:23:41,485 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 00:23:41,487 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 00:23:41,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 00:23:41,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 00:23:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 00:23:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-28 00:23:41,495 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 20 [2019-11-28 00:23:41,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:41,496 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-28 00:23:41,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:41,496 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-28 00:23:41,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:23:41,497 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:41,498 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 00:23:41,498 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:41,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:41,498 INFO L82 PathProgramCache]: Analyzing trace with hash 401446808, now seen corresponding path program 1 times [2019-11-28 00:23:41,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:41,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079406438] [2019-11-28 00:23:41,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:41,654 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 00:23:41,655 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079406438] [2019-11-28 00:23:41,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:41,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:41,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723214476] [2019-11-28 00:23:41,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:41,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:41,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:41,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:41,658 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-28 00:23:41,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:41,679 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2019-11-28 00:23:41,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:41,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:23:41,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:41,682 INFO L225 Difference]: With dead ends: 103 [2019-11-28 00:23:41,683 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 00:23:41,684 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 00:23:41,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 00:23:41,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 00:23:41,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 00:23:41,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2019-11-28 00:23:41,699 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 26 [2019-11-28 00:23:41,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:41,700 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2019-11-28 00:23:41,700 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:41,701 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2019-11-28 00:23:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 00:23:41,702 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:41,702 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 00:23:41,702 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:41,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:41,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1016692102, now seen corresponding path program 1 times [2019-11-28 00:23:41,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:41,705 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882045539] [2019-11-28 00:23:41,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:41,841 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 00:23:41,841 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882045539] [2019-11-28 00:23:41,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:41,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:41,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520673002] [2019-11-28 00:23:41,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:41,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:41,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:41,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:41,845 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 3 states. [2019-11-28 00:23:41,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:41,911 INFO L93 Difference]: Finished difference Result 127 states and 181 transitions. [2019-11-28 00:23:41,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:41,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-28 00:23:41,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:41,913 INFO L225 Difference]: With dead ends: 127 [2019-11-28 00:23:41,913 INFO L226 Difference]: Without dead ends: 79 [2019-11-28 00:23:41,915 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 00:23:41,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-11-28 00:23:41,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2019-11-28 00:23:41,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-28 00:23:41,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2019-11-28 00:23:41,926 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 28 [2019-11-28 00:23:41,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:41,927 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2019-11-28 00:23:41,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:41,927 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2019-11-28 00:23:41,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:23:41,928 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:41,929 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 00:23:41,929 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:41,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:41,930 INFO L82 PathProgramCache]: Analyzing trace with hash -836140634, now seen corresponding path program 1 times [2019-11-28 00:23:41,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:41,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498275552] [2019-11-28 00:23:41,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:42,043 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 00:23:42,043 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498275552] [2019-11-28 00:23:42,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:42,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:23:42,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314961517] [2019-11-28 00:23:42,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:42,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:42,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:42,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:42,047 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2019-11-28 00:23:42,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:42,235 INFO L93 Difference]: Finished difference Result 260 states and 366 transitions. [2019-11-28 00:23:42,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:42,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 00:23:42,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:42,238 INFO L225 Difference]: With dead ends: 260 [2019-11-28 00:23:42,239 INFO L226 Difference]: Without dead ends: 190 [2019-11-28 00:23:42,240 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 00:23:42,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-11-28 00:23:42,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2019-11-28 00:23:42,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-28 00:23:42,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2019-11-28 00:23:42,254 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 34 [2019-11-28 00:23:42,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:42,255 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2019-11-28 00:23:42,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:42,255 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2019-11-28 00:23:42,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:23:42,257 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:42,257 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:42,258 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:42,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:42,258 INFO L82 PathProgramCache]: Analyzing trace with hash 2819926, now seen corresponding path program 1 times [2019-11-28 00:23:42,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:42,259 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159509151] [2019-11-28 00:23:42,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:42,329 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 00:23:42,330 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159509151] [2019-11-28 00:23:42,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:42,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:42,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069675172] [2019-11-28 00:23:42,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:42,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:42,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:42,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:42,333 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand 5 states. [2019-11-28 00:23:42,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:42,437 INFO L93 Difference]: Finished difference Result 194 states and 266 transitions. [2019-11-28 00:23:42,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:23:42,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-28 00:23:42,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:42,439 INFO L225 Difference]: With dead ends: 194 [2019-11-28 00:23:42,439 INFO L226 Difference]: Without dead ends: 125 [2019-11-28 00:23:42,442 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 00:23:42,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-28 00:23:42,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 82. [2019-11-28 00:23:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-28 00:23:42,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2019-11-28 00:23:42,459 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 37 [2019-11-28 00:23:42,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:42,463 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2019-11-28 00:23:42,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:42,463 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2019-11-28 00:23:42,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:23:42,466 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:42,466 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:42,468 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:42,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:42,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1008297324, now seen corresponding path program 1 times [2019-11-28 00:23:42,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:42,470 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125702023] [2019-11-28 00:23:42,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:42,543 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 00:23:42,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125702023] [2019-11-28 00:23:42,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:42,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:23:42,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323913559] [2019-11-28 00:23:42,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 00:23:42,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:42,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 00:23:42,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:23:42,551 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 4 states. [2019-11-28 00:23:42,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:42,600 INFO L93 Difference]: Finished difference Result 189 states and 254 transitions. [2019-11-28 00:23:42,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 00:23:42,600 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-11-28 00:23:42,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:42,602 INFO L225 Difference]: With dead ends: 189 [2019-11-28 00:23:42,602 INFO L226 Difference]: Without dead ends: 114 [2019-11-28 00:23:42,603 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:42,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-28 00:23:42,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 86. [2019-11-28 00:23:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-28 00:23:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2019-11-28 00:23:42,614 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 37 [2019-11-28 00:23:42,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:42,614 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2019-11-28 00:23:42,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 00:23:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2019-11-28 00:23:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:23:42,616 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:42,616 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:42,617 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:42,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:42,617 INFO L82 PathProgramCache]: Analyzing trace with hash -2029365678, now seen corresponding path program 1 times [2019-11-28 00:23:42,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:42,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471775080] [2019-11-28 00:23:42,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:42,676 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 00:23:42,678 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471775080] [2019-11-28 00:23:42,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:42,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:42,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440491370] [2019-11-28 00:23:42,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:42,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:42,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:42,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:42,681 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand 3 states. [2019-11-28 00:23:42,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:42,718 INFO L93 Difference]: Finished difference Result 193 states and 257 transitions. [2019-11-28 00:23:42,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:42,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-11-28 00:23:42,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:42,720 INFO L225 Difference]: With dead ends: 193 [2019-11-28 00:23:42,721 INFO L226 Difference]: Without dead ends: 114 [2019-11-28 00:23:42,722 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 00:23:42,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-28 00:23:42,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-11-28 00:23:42,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-28 00:23:42,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2019-11-28 00:23:42,750 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 37 [2019-11-28 00:23:42,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:42,751 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2019-11-28 00:23:42,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:42,751 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2019-11-28 00:23:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 00:23:42,754 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:42,755 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:42,755 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:42,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:42,756 INFO L82 PathProgramCache]: Analyzing trace with hash -493567726, now seen corresponding path program 1 times [2019-11-28 00:23:42,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:42,758 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297464903] [2019-11-28 00:23:42,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:42,896 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 00:23:42,897 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297464903] [2019-11-28 00:23:42,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:42,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:23:42,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094191525] [2019-11-28 00:23:42,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:42,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:42,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:42,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:42,899 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand 6 states. [2019-11-28 00:23:43,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:43,165 INFO L93 Difference]: Finished difference Result 429 states and 571 transitions. [2019-11-28 00:23:43,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:43,167 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-11-28 00:23:43,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:43,170 INFO L225 Difference]: With dead ends: 429 [2019-11-28 00:23:43,171 INFO L226 Difference]: Without dead ends: 350 [2019-11-28 00:23:43,172 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:23:43,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-11-28 00:23:43,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 159. [2019-11-28 00:23:43,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-11-28 00:23:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 204 transitions. [2019-11-28 00:23:43,193 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 204 transitions. Word has length 38 [2019-11-28 00:23:43,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:43,194 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 204 transitions. [2019-11-28 00:23:43,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:43,194 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 204 transitions. [2019-11-28 00:23:43,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-28 00:23:43,199 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:43,199 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:43,199 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:43,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:43,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1880270052, now seen corresponding path program 1 times [2019-11-28 00:23:43,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:43,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126348776] [2019-11-28 00:23:43,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:43,344 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:43,345 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126348776] [2019-11-28 00:23:43,345 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511532983] [2019-11-28 00:23:43,345 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 00:23:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:43,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 00:23:43,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:23:43,547 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 00:23:43,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:23:43,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-11-28 00:23:43,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170595744] [2019-11-28 00:23:43,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 00:23:43,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:43,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 00:23:43,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:23:43,550 INFO L87 Difference]: Start difference. First operand 159 states and 204 transitions. Second operand 9 states. [2019-11-28 00:23:43,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:43,763 INFO L93 Difference]: Finished difference Result 317 states and 423 transitions. [2019-11-28 00:23:43,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:23:43,764 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-11-28 00:23:43,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:43,765 INFO L225 Difference]: With dead ends: 317 [2019-11-28 00:23:43,765 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:23:43,768 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2019-11-28 00:23:43,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:23:43,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:23:43,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:23:43,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:23:43,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-11-28 00:23:43,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:43,770 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:23:43,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 00:23:43,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:23:43,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:23:43,971 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:43,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:23:44,623 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 22 [2019-11-28 00:23:44,762 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2019-11-28 00:23:45,052 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2019-11-28 00:23:45,195 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-11-28 00:23:45,337 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2019-11-28 00:23:45,755 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-11-28 00:23:45,910 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-11-28 00:23:45,910 INFO L242 CegarLoopResult]: At program point L135(lines 126 139) the Hoare annotation is: false [2019-11-28 00:23:45,911 INFO L242 CegarLoopResult]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2019-11-28 00:23:45,911 INFO L242 CegarLoopResult]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-11-28 00:23:45,911 INFO L242 CegarLoopResult]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-11-28 00:23:45,912 INFO L242 CegarLoopResult]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-11-28 00:23:45,912 INFO L242 CegarLoopResult]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-11-28 00:23:45,912 INFO L242 CegarLoopResult]: At program point L763(lines 748 766) the Hoare annotation is: false [2019-11-28 00:23:45,913 INFO L242 CegarLoopResult]: At program point L763-1(lines 748 766) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3))) [2019-11-28 00:23:45,913 INFO L242 CegarLoopResult]: At program point L763-2(lines 748 766) the Hoare annotation is: false [2019-11-28 00:23:45,914 INFO L242 CegarLoopResult]: At program point L763-3(lines 748 766) the Hoare annotation is: false [2019-11-28 00:23:45,914 INFO L242 CegarLoopResult]: At program point L763-4(lines 748 766) the Hoare annotation is: false [2019-11-28 00:23:45,915 INFO L242 CegarLoopResult]: At program point L763-5(lines 748 766) the Hoare annotation is: false [2019-11-28 00:23:45,915 INFO L242 CegarLoopResult]: At program point L533(lines 580 586) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-11-28 00:23:45,915 INFO L242 CegarLoopResult]: At program point L533-1(lines 580 586) the Hoare annotation is: false [2019-11-28 00:23:45,916 INFO L242 CegarLoopResult]: At program point L533-2(lines 580 586) the Hoare annotation is: false [2019-11-28 00:23:45,916 INFO L242 CegarLoopResult]: At program point L699(lines 692 702) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:45,917 INFO L242 CegarLoopResult]: At program point L699-1(lines 692 702) the Hoare annotation is: false [2019-11-28 00:23:45,918 INFO L242 CegarLoopResult]: At program point L699-2(lines 692 702) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:45,920 INFO L242 CegarLoopResult]: At program point L699-3(lines 692 702) the Hoare annotation is: false [2019-11-28 00:23:45,920 INFO L242 CegarLoopResult]: At program point L699-4(lines 692 702) the Hoare annotation is: false [2019-11-28 00:23:45,920 INFO L242 CegarLoopResult]: At program point L699-5(lines 692 702) the Hoare annotation is: false [2019-11-28 00:23:45,921 INFO L242 CegarLoopResult]: At program point L699-6(lines 692 702) the Hoare annotation is: false [2019-11-28 00:23:45,921 INFO L242 CegarLoopResult]: At program point L699-7(lines 692 702) the Hoare annotation is: false [2019-11-28 00:23:45,921 INFO L242 CegarLoopResult]: At program point L699-8(lines 692 702) the Hoare annotation is: false [2019-11-28 00:23:45,921 INFO L249 CegarLoopResult]: At program point L964(lines 945 967) the Hoare annotation is: true [2019-11-28 00:23:45,922 INFO L242 CegarLoopResult]: At program point L931(lines 927 933) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:45,922 INFO L246 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2019-11-28 00:23:45,922 INFO L242 CegarLoopResult]: At program point L799-1(lines 799 805) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-11-28 00:23:45,923 INFO L242 CegarLoopResult]: At program point L867(lines 862 870) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:45,924 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-11-28 00:23:45,925 INFO L246 CegarLoopResult]: For program point L638(lines 638 655) no Hoare annotation was computed. [2019-11-28 00:23:45,925 INFO L246 CegarLoopResult]: For program point L638-1(lines 638 655) no Hoare annotation was computed. [2019-11-28 00:23:45,925 INFO L246 CegarLoopResult]: For program point L638-2(lines 638 655) no Hoare annotation was computed. [2019-11-28 00:23:45,925 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-11-28 00:23:45,925 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-28 00:23:45,926 INFO L246 CegarLoopResult]: For program point L145-1(line 145) no Hoare annotation was computed. [2019-11-28 00:23:45,926 INFO L246 CegarLoopResult]: For program point L145-2(line 145) no Hoare annotation was computed. [2019-11-28 00:23:45,926 INFO L246 CegarLoopResult]: For program point L674(lines 674 680) no Hoare annotation was computed. [2019-11-28 00:23:45,926 INFO L246 CegarLoopResult]: For program point L674-2(lines 674 680) no Hoare annotation was computed. [2019-11-28 00:23:45,927 INFO L246 CegarLoopResult]: For program point L674-4(lines 674 680) no Hoare annotation was computed. [2019-11-28 00:23:45,927 INFO L246 CegarLoopResult]: For program point L674-6(lines 674 680) no Hoare annotation was computed. [2019-11-28 00:23:45,927 INFO L246 CegarLoopResult]: For program point L674-8(lines 674 680) no Hoare annotation was computed. [2019-11-28 00:23:45,927 INFO L246 CegarLoopResult]: For program point L674-10(lines 674 680) no Hoare annotation was computed. [2019-11-28 00:23:45,928 INFO L242 CegarLoopResult]: At program point L708(lines 703 711) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 .cse4 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 .cse4 .cse2))) [2019-11-28 00:23:45,928 INFO L242 CegarLoopResult]: At program point L708-1(lines 703 711) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-11-28 00:23:45,929 INFO L246 CegarLoopResult]: For program point L642(lines 642 650) no Hoare annotation was computed. [2019-11-28 00:23:45,929 INFO L242 CegarLoopResult]: At program point L708-2(lines 703 711) the Hoare annotation is: false [2019-11-28 00:23:45,929 INFO L246 CegarLoopResult]: For program point L642-1(lines 642 650) no Hoare annotation was computed. [2019-11-28 00:23:45,929 INFO L242 CegarLoopResult]: At program point L708-3(lines 703 711) the Hoare annotation is: false [2019-11-28 00:23:45,930 INFO L242 CegarLoopResult]: At program point L708-4(lines 703 711) the Hoare annotation is: false [2019-11-28 00:23:45,930 INFO L246 CegarLoopResult]: For program point L642-2(lines 642 650) no Hoare annotation was computed. [2019-11-28 00:23:45,930 INFO L242 CegarLoopResult]: At program point L708-5(lines 703 711) the Hoare annotation is: false [2019-11-28 00:23:45,930 INFO L246 CegarLoopResult]: For program point L544(lines 544 561) no Hoare annotation was computed. [2019-11-28 00:23:45,931 INFO L242 CegarLoopResult]: At program point L544-1(lines 1 967) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse0 .cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~3 2) (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~3) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2019-11-28 00:23:45,931 INFO L246 CegarLoopResult]: For program point L544-2(lines 544 561) no Hoare annotation was computed. [2019-11-28 00:23:45,931 INFO L242 CegarLoopResult]: At program point L544-3(lines 1 967) the Hoare annotation is: false [2019-11-28 00:23:45,932 INFO L246 CegarLoopResult]: For program point L544-4(lines 544 561) no Hoare annotation was computed. [2019-11-28 00:23:45,932 INFO L242 CegarLoopResult]: At program point L544-5(lines 1 967) the Hoare annotation is: false [2019-11-28 00:23:45,932 INFO L246 CegarLoopResult]: For program point L809(lines 809 820) no Hoare annotation was computed. [2019-11-28 00:23:45,932 INFO L246 CegarLoopResult]: For program point L612(lines 612 629) no Hoare annotation was computed. [2019-11-28 00:23:45,932 INFO L246 CegarLoopResult]: For program point L612-1(lines 612 629) no Hoare annotation was computed. [2019-11-28 00:23:45,933 INFO L246 CegarLoopResult]: For program point L612-2(lines 612 629) no Hoare annotation was computed. [2019-11-28 00:23:45,933 INFO L246 CegarLoopResult]: For program point L612-3(lines 612 629) no Hoare annotation was computed. [2019-11-28 00:23:45,933 INFO L246 CegarLoopResult]: For program point L612-4(lines 612 629) no Hoare annotation was computed. [2019-11-28 00:23:45,933 INFO L246 CegarLoopResult]: For program point L612-5(lines 612 629) no Hoare annotation was computed. [2019-11-28 00:23:45,934 INFO L242 CegarLoopResult]: At program point L580(lines 576 598) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-11-28 00:23:45,934 INFO L242 CegarLoopResult]: At program point L580-1(lines 576 598) the Hoare annotation is: false [2019-11-28 00:23:45,934 INFO L242 CegarLoopResult]: At program point L580-2(lines 576 598) the Hoare annotation is: false [2019-11-28 00:23:45,934 INFO L246 CegarLoopResult]: For program point L548(lines 548 558) no Hoare annotation was computed. [2019-11-28 00:23:45,935 INFO L246 CegarLoopResult]: For program point L548-2(lines 548 558) no Hoare annotation was computed. [2019-11-28 00:23:45,935 INFO L246 CegarLoopResult]: For program point L548-4(lines 548 558) no Hoare annotation was computed. [2019-11-28 00:23:45,935 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:23:45,935 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:23:45,936 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:23:45,936 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:23:45,936 INFO L246 CegarLoopResult]: For program point L780(lines 779 824) no Hoare annotation was computed. [2019-11-28 00:23:45,936 INFO L246 CegarLoopResult]: For program point L549(lines 549 555) no Hoare annotation was computed. [2019-11-28 00:23:45,936 INFO L246 CegarLoopResult]: For program point L549-2(lines 549 555) no Hoare annotation was computed. [2019-11-28 00:23:45,937 INFO L246 CegarLoopResult]: For program point L549-4(lines 549 555) no Hoare annotation was computed. [2019-11-28 00:23:45,937 INFO L246 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2019-11-28 00:23:45,937 INFO L246 CegarLoopResult]: For program point L616(lines 616 624) no Hoare annotation was computed. [2019-11-28 00:23:45,937 INFO L246 CegarLoopResult]: For program point L616-1(lines 616 624) no Hoare annotation was computed. [2019-11-28 00:23:45,938 INFO L246 CegarLoopResult]: For program point L616-2(lines 616 624) no Hoare annotation was computed. [2019-11-28 00:23:45,939 INFO L246 CegarLoopResult]: For program point L616-3(lines 616 624) no Hoare annotation was computed. [2019-11-28 00:23:45,939 INFO L246 CegarLoopResult]: For program point L616-4(lines 616 624) no Hoare annotation was computed. [2019-11-28 00:23:45,939 INFO L246 CegarLoopResult]: For program point L616-5(lines 616 624) no Hoare annotation was computed. [2019-11-28 00:23:45,940 INFO L246 CegarLoopResult]: For program point L815(lines 815 819) no Hoare annotation was computed. [2019-11-28 00:23:45,940 INFO L246 CegarLoopResult]: For program point L815-2(lines 809 820) no Hoare annotation was computed. [2019-11-28 00:23:45,940 INFO L242 CegarLoopResult]: At program point L122(lines 117 125) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-11-28 00:23:45,940 INFO L242 CegarLoopResult]: At program point L122-1(lines 117 125) the Hoare annotation is: false [2019-11-28 00:23:45,941 INFO L242 CegarLoopResult]: At program point L122-2(lines 117 125) the Hoare annotation is: false [2019-11-28 00:23:45,941 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:45,941 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2019-11-28 00:23:45,941 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:45,942 INFO L242 CegarLoopResult]: At program point L90-3(lines 85 93) the Hoare annotation is: false [2019-11-28 00:23:45,943 INFO L242 CegarLoopResult]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-11-28 00:23:45,943 INFO L242 CegarLoopResult]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-11-28 00:23:45,943 INFO L242 CegarLoopResult]: At program point L90-6(lines 85 93) the Hoare annotation is: false [2019-11-28 00:23:45,944 INFO L242 CegarLoopResult]: At program point L90-7(lines 85 93) the Hoare annotation is: false [2019-11-28 00:23:45,944 INFO L242 CegarLoopResult]: At program point L90-8(lines 85 93) the Hoare annotation is: false [2019-11-28 00:23:45,944 INFO L242 CegarLoopResult]: At program point L883-2(lines 883 897) the Hoare annotation is: false [2019-11-28 00:23:45,945 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:23:45,945 INFO L246 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2019-11-28 00:23:45,945 INFO L242 CegarLoopResult]: At program point L587(lines 587 593) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-11-28 00:23:45,945 INFO L242 CegarLoopResult]: At program point L587-1(lines 587 593) the Hoare annotation is: false [2019-11-28 00:23:45,946 INFO L242 CegarLoopResult]: At program point L587-2(lines 587 593) the Hoare annotation is: false [2019-11-28 00:23:45,946 INFO L242 CegarLoopResult]: At program point L523(lines 518 525) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:45,947 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:23:45,948 INFO L246 CegarLoopResult]: For program point L887(lines 887 891) no Hoare annotation was computed. [2019-11-28 00:23:45,948 INFO L246 CegarLoopResult]: For program point L887-1(lines 887 891) no Hoare annotation was computed. [2019-11-28 00:23:45,948 INFO L246 CegarLoopResult]: For program point L789(lines 789 795) no Hoare annotation was computed. [2019-11-28 00:23:45,948 INFO L242 CegarLoopResult]: At program point L789-1(lines 789 795) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-11-28 00:23:45,949 INFO L246 CegarLoopResult]: For program point L955(lines 955 962) no Hoare annotation was computed. [2019-11-28 00:23:45,949 INFO L249 CegarLoopResult]: At program point L955-1(lines 955 962) the Hoare annotation is: true [2019-11-28 00:23:45,949 INFO L246 CegarLoopResult]: For program point L757(lines 757 761) no Hoare annotation was computed. [2019-11-28 00:23:45,949 INFO L246 CegarLoopResult]: For program point L757-2(lines 757 761) no Hoare annotation was computed. [2019-11-28 00:23:45,949 INFO L246 CegarLoopResult]: For program point L757-3(lines 757 761) no Hoare annotation was computed. [2019-11-28 00:23:45,950 INFO L246 CegarLoopResult]: For program point L757-5(lines 757 761) no Hoare annotation was computed. [2019-11-28 00:23:45,950 INFO L246 CegarLoopResult]: For program point L757-6(lines 757 761) no Hoare annotation was computed. [2019-11-28 00:23:45,950 INFO L246 CegarLoopResult]: For program point L757-8(lines 757 761) no Hoare annotation was computed. [2019-11-28 00:23:45,950 INFO L246 CegarLoopResult]: For program point L757-9(lines 757 761) no Hoare annotation was computed. [2019-11-28 00:23:45,950 INFO L246 CegarLoopResult]: For program point L757-11(lines 757 761) no Hoare annotation was computed. [2019-11-28 00:23:45,951 INFO L246 CegarLoopResult]: For program point L757-12(lines 757 761) no Hoare annotation was computed. [2019-11-28 00:23:45,951 INFO L246 CegarLoopResult]: For program point L757-14(lines 757 761) no Hoare annotation was computed. [2019-11-28 00:23:45,951 INFO L246 CegarLoopResult]: For program point L757-15(lines 757 761) no Hoare annotation was computed. [2019-11-28 00:23:45,951 INFO L246 CegarLoopResult]: For program point L757-17(lines 757 761) no Hoare annotation was computed. [2019-11-28 00:23:45,951 INFO L246 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:23:45,952 INFO L246 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:23:45,952 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:23:45,952 INFO L246 CegarLoopResult]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:23:45,952 INFO L246 CegarLoopResult]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:23:45,952 INFO L246 CegarLoopResult]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:23:45,953 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-28 00:23:45,953 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:23:45,953 INFO L242 CegarLoopResult]: At program point L825(lines 778 826) the Hoare annotation is: false [2019-11-28 00:23:45,953 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-11-28 00:23:45,954 INFO L242 CegarLoopResult]: At program point L859(lines 1 967) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:45,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:23:45 BoogieIcfgContainer [2019-11-28 00:23:45,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:23:45,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:23:45,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:23:45,986 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:23:45,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:40" (3/4) ... [2019-11-28 00:23:45,994 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:23:46,032 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:23:46,033 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:23:46,035 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:23:46,036 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:23:46,038 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:23:46,039 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:46,041 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:46,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 1 <= pumpRunning) && tmp <= 2) && 2 <= waterLevel) && 2 <= tmp) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:46,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:46,082 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:46,084 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:46,084 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:46,085 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:46,085 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:46,087 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:46,088 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-11-28 00:23:46,088 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-11-28 00:23:46,089 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:46,093 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:46,096 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:46,250 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:23:46,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:23:46,251 INFO L168 Benchmark]: Toolchain (without parser) took 7314.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 959.0 MB in the beginning and 847.1 MB in the end (delta: 112.0 MB). Peak memory consumption was 332.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:46,252 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:23:46,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:46,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:46,253 INFO L168 Benchmark]: Boogie Preprocessor took 51.93 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 00:23:46,253 INFO L168 Benchmark]: RCFGBuilder took 959.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:46,254 INFO L168 Benchmark]: TraceAbstraction took 5262.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.1 MB). Free memory was 1.0 GB in the beginning and 863.1 MB in the end (delta: 159.4 MB). Peak memory consumption was 248.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:46,254 INFO L168 Benchmark]: Witness Printer took 264.10 ms. Allocated memory is still 1.2 GB. Free memory was 863.1 MB in the beginning and 847.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:46,257 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 658.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.93 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 959.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5262.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.1 MB). Free memory was 1.0 GB in the beginning and 863.1 MB in the end (delta: 159.4 MB). Peak memory consumption was 248.6 MB. Max. memory is 11.5 GB. * Witness Printer took 264.10 ms. Allocated memory is still 1.2 GB. Free memory was 863.1 MB in the beginning and 847.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 145]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 1 <= pumpRunning) && tmp <= 2) && 2 <= waterLevel) && 2 <= tmp) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, HoareTripleCheckerStatistics: 1088 SDtfs, 1171 SDslu, 1270 SDs, 0 SdLazy, 227 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 378 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 61 PreInvPairs, 134 NumberOfFragments, 644 HoareAnnotationTreeSize, 61 FomulaSimplifications, 26559 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 1623 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 34377 SizeOfPredicates, 4 NumberOfNonLiveVariables, 432 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 14/32 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...