./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:27:06,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:27:06,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:27:06,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:27:06,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:27:06,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:27:06,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:27:06,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:27:06,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:27:06,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:27:06,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:27:06,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:27:06,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:27:06,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:27:06,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:27:06,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:27:06,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:27:06,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:27:06,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:27:06,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:27:06,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:27:06,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:27:06,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:27:06,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:27:06,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:27:06,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:27:06,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:27:06,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:27:06,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:27:06,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:27:06,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:27:06,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:27:06,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:27:06,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:27:06,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:27:06,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:27:06,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:27:06,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:27:06,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:27:06,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:27:06,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:27:06,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:27:06,462 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:27:06,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:27:06,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:27:06,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:27:06,465 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:27:06,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:27:06,465 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:27:06,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:27:06,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:27:06,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:27:06,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:27:06,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:27:06,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:27:06,468 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:27:06,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:27:06,469 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:27:06,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:27:06,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:27:06,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:27:06,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:27:06,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:27:06,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:27:06,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:27:06,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:27:06,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:27:06,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:27:06,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:27:06,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:27:06,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:27:06,473 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 -> 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 [2019-11-28 17:27:06,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:27:06,846 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:27:06,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:27:06,853 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:27:06,853 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:27:06,854 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2019-11-28 17:27:06,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dbbc2a64/24402c23cbac4c34912acf90f3dbbe33/FLAGb113e20d5 [2019-11-28 17:27:07,439 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:27:07,440 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2019-11-28 17:27:07,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dbbc2a64/24402c23cbac4c34912acf90f3dbbe33/FLAGb113e20d5 [2019-11-28 17:27:07,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dbbc2a64/24402c23cbac4c34912acf90f3dbbe33 [2019-11-28 17:27:07,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:27:07,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:27:07,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:07,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:27:07,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:27:07,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:07" (1/1) ... [2019-11-28 17:27:07,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd1f278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:07, skipping insertion in model container [2019-11-28 17:27:07,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:07" (1/1) ... [2019-11-28 17:27:07,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:27:07,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:27:08,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:08,434 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:27:08,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:08,586 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:27:08,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08 WrapperNode [2019-11-28 17:27:08,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:08,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:08,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:27:08,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:27:08,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:08,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:27:08,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:27:08,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:27:08,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:27:08,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:27:08,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:27:08,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:27:08,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:27:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:27:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:27:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:27:08,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:27:09,884 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:27:09,885 INFO L287 CfgBuilder]: Removed 192 assume(true) statements. [2019-11-28 17:27:09,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:09 BoogieIcfgContainer [2019-11-28 17:27:09,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:27:09,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:27:09,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:27:09,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:27:09,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:27:07" (1/3) ... [2019-11-28 17:27:09,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204e3481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:09, skipping insertion in model container [2019-11-28 17:27:09,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (2/3) ... [2019-11-28 17:27:09,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204e3481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:09, skipping insertion in model container [2019-11-28 17:27:09,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:09" (3/3) ... [2019-11-28 17:27:09,897 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2019-11-28 17:27:09,909 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:27:09,917 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:27:09,931 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:27:09,960 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:27:09,960 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:27:09,960 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:27:09,960 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:27:09,961 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:27:09,961 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:27:09,961 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:27:09,961 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:27:09,990 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-11-28 17:27:10,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:27:10,002 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:10,003 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:10,004 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:10,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:10,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1916587088, now seen corresponding path program 1 times [2019-11-28 17:27:10,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:10,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631974246] [2019-11-28 17:27:10,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:10,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:10,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631974246] [2019-11-28 17:27:10,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:10,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:10,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013320314] [2019-11-28 17:27:10,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:27:10,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:10,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:27:10,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:27:10,333 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-11-28 17:27:10,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:10,388 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2019-11-28 17:27:10,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:27:10,390 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 17:27:10,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:10,408 INFO L225 Difference]: With dead ends: 264 [2019-11-28 17:27:10,409 INFO L226 Difference]: Without dead ends: 131 [2019-11-28 17:27:10,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:27:10,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-28 17:27:10,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-11-28 17:27:10,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-28 17:27:10,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2019-11-28 17:27:10,474 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2019-11-28 17:27:10,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:10,475 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2019-11-28 17:27:10,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:27:10,475 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2019-11-28 17:27:10,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:27:10,477 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:10,477 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:10,477 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:10,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:10,478 INFO L82 PathProgramCache]: Analyzing trace with hash 869830191, now seen corresponding path program 1 times [2019-11-28 17:27:10,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:10,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070661742] [2019-11-28 17:27:10,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:10,630 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070661742] [2019-11-28 17:27:10,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:10,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:27:10,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081057707] [2019-11-28 17:27:10,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:10,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:10,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:10,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:10,634 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2019-11-28 17:27:10,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:10,667 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2019-11-28 17:27:10,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:10,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 17:27:10,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:10,670 INFO L225 Difference]: With dead ends: 131 [2019-11-28 17:27:10,670 INFO L226 Difference]: Without dead ends: 53 [2019-11-28 17:27:10,672 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:10,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-28 17:27:10,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-28 17:27:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-28 17:27:10,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-11-28 17:27:10,683 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2019-11-28 17:27:10,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:10,684 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-11-28 17:27:10,684 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:10,684 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-11-28 17:27:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:27:10,686 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:10,686 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:10,686 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:10,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:10,687 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2019-11-28 17:27:10,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:10,687 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748583349] [2019-11-28 17:27:10,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:10,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:10,825 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748583349] [2019-11-28 17:27:10,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:10,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:10,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649504499] [2019-11-28 17:27:10,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:27:10,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:10,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:27:10,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:10,827 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 6 states. [2019-11-28 17:27:10,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:10,961 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2019-11-28 17:27:10,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:27:10,962 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-28 17:27:10,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:10,963 INFO L225 Difference]: With dead ends: 100 [2019-11-28 17:27:10,963 INFO L226 Difference]: Without dead ends: 53 [2019-11-28 17:27:10,964 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:10,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-28 17:27:10,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-28 17:27:10,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-28 17:27:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-11-28 17:27:10,971 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2019-11-28 17:27:10,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:10,972 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-11-28 17:27:10,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:27:10,972 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-11-28 17:27:10,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:27:10,973 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:10,974 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:10,974 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:10,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:10,974 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2019-11-28 17:27:10,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:10,975 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109853561] [2019-11-28 17:27:10,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:11,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:11,050 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109853561] [2019-11-28 17:27:11,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:11,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:11,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195586378] [2019-11-28 17:27:11,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:11,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:11,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:11,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:11,052 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-11-28 17:27:11,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:11,087 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2019-11-28 17:27:11,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:11,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:27:11,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:11,089 INFO L225 Difference]: With dead ends: 121 [2019-11-28 17:27:11,089 INFO L226 Difference]: Without dead ends: 74 [2019-11-28 17:27:11,090 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:11,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-11-28 17:27:11,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2019-11-28 17:27:11,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-28 17:27:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2019-11-28 17:27:11,100 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2019-11-28 17:27:11,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:11,100 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2019-11-28 17:27:11,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2019-11-28 17:27:11,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-28 17:27:11,112 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:11,112 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] [2019-11-28 17:27:11,115 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:11,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:11,119 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2019-11-28 17:27:11,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:11,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477350265] [2019-11-28 17:27:11,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:11,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:11,308 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477350265] [2019-11-28 17:27:11,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:11,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:11,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751710870] [2019-11-28 17:27:11,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:11,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:11,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:11,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:11,319 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2019-11-28 17:27:11,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:11,524 INFO L93 Difference]: Finished difference Result 253 states and 363 transitions. [2019-11-28 17:27:11,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:11,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-28 17:27:11,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:11,527 INFO L225 Difference]: With dead ends: 253 [2019-11-28 17:27:11,528 INFO L226 Difference]: Without dead ends: 187 [2019-11-28 17:27:11,529 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-11-28 17:27:11,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2019-11-28 17:27:11,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-28 17:27:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 158 transitions. [2019-11-28 17:27:11,550 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 158 transitions. Word has length 30 [2019-11-28 17:27:11,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:11,551 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 158 transitions. [2019-11-28 17:27:11,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2019-11-28 17:27:11,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 17:27:11,553 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:11,553 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] [2019-11-28 17:27:11,553 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:11,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:11,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1392623830, now seen corresponding path program 1 times [2019-11-28 17:27:11,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:11,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501741972] [2019-11-28 17:27:11,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:11,655 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501741972] [2019-11-28 17:27:11,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:11,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:11,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004334334] [2019-11-28 17:27:11,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:11,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:11,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:11,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:11,658 INFO L87 Difference]: Start difference. First operand 115 states and 158 transitions. Second operand 5 states. [2019-11-28 17:27:11,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:11,815 INFO L93 Difference]: Finished difference Result 247 states and 347 transitions. [2019-11-28 17:27:11,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:11,816 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-28 17:27:11,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:11,819 INFO L225 Difference]: With dead ends: 247 [2019-11-28 17:27:11,819 INFO L226 Difference]: Without dead ends: 245 [2019-11-28 17:27:11,820 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:27:11,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-11-28 17:27:11,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 115. [2019-11-28 17:27:11,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-28 17:27:11,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 157 transitions. [2019-11-28 17:27:11,839 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 157 transitions. Word has length 31 [2019-11-28 17:27:11,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:11,839 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 157 transitions. [2019-11-28 17:27:11,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:11,840 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2019-11-28 17:27:11,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:27:11,841 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:11,842 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:11,842 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:11,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:11,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1640626781, now seen corresponding path program 1 times [2019-11-28 17:27:11,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:11,844 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070653412] [2019-11-28 17:27:11,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:11,925 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070653412] [2019-11-28 17:27:11,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:11,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:11,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358802365] [2019-11-28 17:27:11,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:11,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:11,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:11,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:11,933 INFO L87 Difference]: Start difference. First operand 115 states and 157 transitions. Second operand 5 states. [2019-11-28 17:27:12,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:12,017 INFO L93 Difference]: Finished difference Result 307 states and 418 transitions. [2019-11-28 17:27:12,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:12,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 17:27:12,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:12,021 INFO L225 Difference]: With dead ends: 307 [2019-11-28 17:27:12,022 INFO L226 Difference]: Without dead ends: 198 [2019-11-28 17:27:12,023 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:27:12,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-28 17:27:12,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 124. [2019-11-28 17:27:12,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-28 17:27:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 166 transitions. [2019-11-28 17:27:12,054 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 166 transitions. Word has length 34 [2019-11-28 17:27:12,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:12,054 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 166 transitions. [2019-11-28 17:27:12,055 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:12,055 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 166 transitions. [2019-11-28 17:27:12,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:27:12,060 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:12,061 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:12,061 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:12,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:12,062 INFO L82 PathProgramCache]: Analyzing trace with hash 2067534501, now seen corresponding path program 1 times [2019-11-28 17:27:12,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:12,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818706750] [2019-11-28 17:27:12,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:12,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:12,152 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818706750] [2019-11-28 17:27:12,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:12,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:12,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851484720] [2019-11-28 17:27:12,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:27:12,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:12,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:27:12,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:27:12,155 INFO L87 Difference]: Start difference. First operand 124 states and 166 transitions. Second operand 4 states. [2019-11-28 17:27:12,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:12,208 INFO L93 Difference]: Finished difference Result 265 states and 355 transitions. [2019-11-28 17:27:12,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:27:12,209 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-11-28 17:27:12,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:12,210 INFO L225 Difference]: With dead ends: 265 [2019-11-28 17:27:12,210 INFO L226 Difference]: Without dead ends: 147 [2019-11-28 17:27:12,212 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:12,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-11-28 17:27:12,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 106. [2019-11-28 17:27:12,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-28 17:27:12,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 139 transitions. [2019-11-28 17:27:12,232 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 139 transitions. Word has length 34 [2019-11-28 17:27:12,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:12,233 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 139 transitions. [2019-11-28 17:27:12,233 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:27:12,233 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2019-11-28 17:27:12,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:27:12,237 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:12,238 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:12,238 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:12,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:12,240 INFO L82 PathProgramCache]: Analyzing trace with hash 787670823, now seen corresponding path program 1 times [2019-11-28 17:27:12,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:12,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839401375] [2019-11-28 17:27:12,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:12,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:12,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839401375] [2019-11-28 17:27:12,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:12,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:12,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428291376] [2019-11-28 17:27:12,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:12,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:12,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:12,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:12,316 INFO L87 Difference]: Start difference. First operand 106 states and 139 transitions. Second operand 5 states. [2019-11-28 17:27:12,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:12,463 INFO L93 Difference]: Finished difference Result 289 states and 390 transitions. [2019-11-28 17:27:12,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:12,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 17:27:12,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:12,467 INFO L225 Difference]: With dead ends: 289 [2019-11-28 17:27:12,467 INFO L226 Difference]: Without dead ends: 213 [2019-11-28 17:27:12,468 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:12,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-11-28 17:27:12,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 147. [2019-11-28 17:27:12,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-28 17:27:12,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 191 transitions. [2019-11-28 17:27:12,493 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 191 transitions. Word has length 34 [2019-11-28 17:27:12,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:12,495 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 191 transitions. [2019-11-28 17:27:12,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:12,495 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 191 transitions. [2019-11-28 17:27:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-28 17:27:12,497 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:12,498 INFO L410 BasicCegarLoop]: trace histogram [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 17:27:12,498 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:12,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:12,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1437514545, now seen corresponding path program 1 times [2019-11-28 17:27:12,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:12,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740879820] [2019-11-28 17:27:12,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:12,662 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:12,663 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740879820] [2019-11-28 17:27:12,664 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601316591] [2019-11-28 17:27:12,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:12,886 INFO L264 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 17:27:12,906 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:27:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:12,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:27:12,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-28 17:27:12,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106367092] [2019-11-28 17:27:12,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:27:12,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:12,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:27:12,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:12,943 INFO L87 Difference]: Start difference. First operand 147 states and 191 transitions. Second operand 6 states. [2019-11-28 17:27:13,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:13,166 INFO L93 Difference]: Finished difference Result 459 states and 612 transitions. [2019-11-28 17:27:13,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:13,166 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-11-28 17:27:13,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:13,172 INFO L225 Difference]: With dead ends: 459 [2019-11-28 17:27:13,172 INFO L226 Difference]: Without dead ends: 342 [2019-11-28 17:27:13,173 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:27:13,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-11-28 17:27:13,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 201. [2019-11-28 17:27:13,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-11-28 17:27:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 264 transitions. [2019-11-28 17:27:13,209 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 264 transitions. Word has length 55 [2019-11-28 17:27:13,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:13,209 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 264 transitions. [2019-11-28 17:27:13,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:27:13,210 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 264 transitions. [2019-11-28 17:27:13,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-28 17:27:13,211 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:13,211 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-28 17:27:13,417 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:13,418 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:13,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:13,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1916895271, now seen corresponding path program 2 times [2019-11-28 17:27:13,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:13,420 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336848760] [2019-11-28 17:27:13,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:13,594 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:27:13,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336848760] [2019-11-28 17:27:13,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:13,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:13,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124221142] [2019-11-28 17:27:13,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:13,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:13,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:13,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:13,598 INFO L87 Difference]: Start difference. First operand 201 states and 264 transitions. Second operand 5 states. [2019-11-28 17:27:13,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:13,758 INFO L93 Difference]: Finished difference Result 590 states and 787 transitions. [2019-11-28 17:27:13,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:27:13,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-11-28 17:27:13,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:13,761 INFO L225 Difference]: With dead ends: 590 [2019-11-28 17:27:13,761 INFO L226 Difference]: Without dead ends: 418 [2019-11-28 17:27:13,762 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:13,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-11-28 17:27:13,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 277. [2019-11-28 17:27:13,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2019-11-28 17:27:13,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 361 transitions. [2019-11-28 17:27:13,792 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 361 transitions. Word has length 76 [2019-11-28 17:27:13,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:13,792 INFO L462 AbstractCegarLoop]: Abstraction has 277 states and 361 transitions. [2019-11-28 17:27:13,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:13,793 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 361 transitions. [2019-11-28 17:27:13,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-28 17:27:13,794 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:13,794 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-28 17:27:13,794 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:13,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:13,795 INFO L82 PathProgramCache]: Analyzing trace with hash -2103312411, now seen corresponding path program 1 times [2019-11-28 17:27:13,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:13,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096983768] [2019-11-28 17:27:13,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 17:27:13,881 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096983768] [2019-11-28 17:27:13,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:13,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 17:27:13,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535662233] [2019-11-28 17:27:13,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 17:27:13,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:13,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 17:27:13,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:27:13,883 INFO L87 Difference]: Start difference. First operand 277 states and 361 transitions. Second operand 7 states. [2019-11-28 17:27:14,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:14,024 INFO L93 Difference]: Finished difference Result 516 states and 673 transitions. [2019-11-28 17:27:14,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:27:14,025 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2019-11-28 17:27:14,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:14,025 INFO L225 Difference]: With dead ends: 516 [2019-11-28 17:27:14,025 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:27:14,026 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-28 17:27:14,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:27:14,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:27:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:27:14,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:27:14,027 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2019-11-28 17:27:14,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:14,027 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:27:14,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 17:27:14,028 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:27:14,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:27:14,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:27:14,431 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 106 [2019-11-28 17:27:14,592 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 104 [2019-11-28 17:27:14,747 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 103 [2019-11-28 17:27:14,977 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 106 [2019-11-28 17:27:15,319 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2019-11-28 17:27:15,686 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2019-11-28 17:27:15,875 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 23 [2019-11-28 17:27:16,296 WARN L192 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 20 [2019-11-28 17:27:16,678 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 21 [2019-11-28 17:27:16,926 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 13 [2019-11-28 17:27:17,143 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2019-11-28 17:27:17,499 WARN L192 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 20 [2019-11-28 17:27:17,589 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2019-11-28 17:27:17,590 INFO L242 CegarLoopResult]: At program point L498(lines 493 501) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:17,590 INFO L246 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2019-11-28 17:27:17,590 INFO L246 CegarLoopResult]: For program point L368-3(lines 368 372) no Hoare annotation was computed. [2019-11-28 17:27:17,590 INFO L246 CegarLoopResult]: For program point L368-6(lines 368 372) no Hoare annotation was computed. [2019-11-28 17:27:17,590 INFO L246 CegarLoopResult]: For program point L304(lines 304 308) no Hoare annotation was computed. [2019-11-28 17:27:17,591 INFO L246 CegarLoopResult]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2019-11-28 17:27:17,591 INFO L246 CegarLoopResult]: For program point L304-3(lines 304 308) no Hoare annotation was computed. [2019-11-28 17:27:17,591 INFO L246 CegarLoopResult]: For program point L304-5(lines 304 308) no Hoare annotation was computed. [2019-11-28 17:27:17,591 INFO L246 CegarLoopResult]: For program point L304-6(lines 304 308) no Hoare annotation was computed. [2019-11-28 17:27:17,591 INFO L246 CegarLoopResult]: For program point L304-8(lines 304 308) no Hoare annotation was computed. [2019-11-28 17:27:17,591 INFO L246 CegarLoopResult]: For program point L304-9(lines 304 308) no Hoare annotation was computed. [2019-11-28 17:27:17,592 INFO L246 CegarLoopResult]: For program point L304-11(lines 304 308) no Hoare annotation was computed. [2019-11-28 17:27:17,592 INFO L246 CegarLoopResult]: For program point L304-12(lines 304 308) no Hoare annotation was computed. [2019-11-28 17:27:17,592 INFO L246 CegarLoopResult]: For program point L304-14(lines 304 308) no Hoare annotation was computed. [2019-11-28 17:27:17,592 INFO L246 CegarLoopResult]: For program point L304-15(lines 304 308) no Hoare annotation was computed. [2019-11-28 17:27:17,592 INFO L246 CegarLoopResult]: For program point L304-17(lines 304 308) no Hoare annotation was computed. [2019-11-28 17:27:17,593 INFO L242 CegarLoopResult]: At program point L437(lines 432 440) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse2 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse3))) [2019-11-28 17:27:17,593 INFO L242 CegarLoopResult]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2019-11-28 17:27:17,593 INFO L242 CegarLoopResult]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2019-11-28 17:27:17,593 INFO L246 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-11-28 17:27:17,593 INFO L242 CegarLoopResult]: At program point L74-1(lines 74 80) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2 (= ~pumpRunning~0 0) .cse3))) [2019-11-28 17:27:17,593 INFO L242 CegarLoopResult]: At program point L405(lines 400 408) the Hoare annotation is: false [2019-11-28 17:27:17,594 INFO L242 CegarLoopResult]: At program point L405-1(lines 400 408) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:17,594 INFO L242 CegarLoopResult]: At program point L405-2(lines 400 408) the Hoare annotation is: false [2019-11-28 17:27:17,594 INFO L242 CegarLoopResult]: At program point L405-3(lines 400 408) the Hoare annotation is: false [2019-11-28 17:27:17,594 INFO L242 CegarLoopResult]: At program point L405-4(lines 400 408) the Hoare annotation is: false [2019-11-28 17:27:17,594 INFO L242 CegarLoopResult]: At program point L405-5(lines 400 408) the Hoare annotation is: false [2019-11-28 17:27:17,594 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2019-11-28 17:27:17,594 INFO L246 CegarLoopResult]: For program point L969(line 969) no Hoare annotation was computed. [2019-11-28 17:27:17,594 INFO L246 CegarLoopResult]: For program point L969-1(line 969) no Hoare annotation was computed. [2019-11-28 17:27:17,595 INFO L246 CegarLoopResult]: For program point L969-2(line 969) no Hoare annotation was computed. [2019-11-28 17:27:17,595 INFO L242 CegarLoopResult]: At program point L310(lines 295 313) the Hoare annotation is: false [2019-11-28 17:27:17,595 INFO L242 CegarLoopResult]: At program point L310-1(lines 295 313) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4))) [2019-11-28 17:27:17,595 INFO L242 CegarLoopResult]: At program point L310-2(lines 295 313) the Hoare annotation is: false [2019-11-28 17:27:17,595 INFO L242 CegarLoopResult]: At program point L310-3(lines 295 313) the Hoare annotation is: false [2019-11-28 17:27:17,595 INFO L242 CegarLoopResult]: At program point L310-4(lines 295 313) the Hoare annotation is: false [2019-11-28 17:27:17,595 INFO L242 CegarLoopResult]: At program point L310-5(lines 295 313) the Hoare annotation is: false [2019-11-28 17:27:17,595 INFO L246 CegarLoopResult]: For program point L344(lines 344 357) no Hoare annotation was computed. [2019-11-28 17:27:17,596 INFO L242 CegarLoopResult]: At program point L344-1(lines 1 972) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 .cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse2 (<= 1 ~waterLevel~0) .cse4 .cse3) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2 .cse4 .cse3))) [2019-11-28 17:27:17,596 INFO L246 CegarLoopResult]: For program point L344-2(lines 344 357) no Hoare annotation was computed. [2019-11-28 17:27:17,596 INFO L242 CegarLoopResult]: At program point L344-3(lines 1 972) the Hoare annotation is: false [2019-11-28 17:27:17,596 INFO L246 CegarLoopResult]: For program point L344-4(lines 344 357) no Hoare annotation was computed. [2019-11-28 17:27:17,596 INFO L242 CegarLoopResult]: At program point L344-5(lines 1 972) the Hoare annotation is: false [2019-11-28 17:27:17,596 INFO L242 CegarLoopResult]: At program point L246(lines 239 249) the Hoare annotation is: false [2019-11-28 17:27:17,596 INFO L242 CegarLoopResult]: At program point L246-1(lines 239 249) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:17,597 INFO L242 CegarLoopResult]: At program point L246-2(lines 239 249) the Hoare annotation is: false [2019-11-28 17:27:17,597 INFO L242 CegarLoopResult]: At program point L246-3(lines 239 249) the Hoare annotation is: false [2019-11-28 17:27:17,597 INFO L242 CegarLoopResult]: At program point L246-4(lines 239 249) the Hoare annotation is: false [2019-11-28 17:27:17,597 INFO L242 CegarLoopResult]: At program point L246-5(lines 239 249) the Hoare annotation is: false [2019-11-28 17:27:17,597 INFO L246 CegarLoopResult]: For program point L445(lines 445 451) no Hoare annotation was computed. [2019-11-28 17:27:17,597 INFO L246 CegarLoopResult]: For program point L445-1(lines 445 451) no Hoare annotation was computed. [2019-11-28 17:27:17,597 INFO L246 CegarLoopResult]: For program point L445-2(lines 445 451) no Hoare annotation was computed. [2019-11-28 17:27:17,597 INFO L246 CegarLoopResult]: For program point L445-3(lines 445 451) no Hoare annotation was computed. [2019-11-28 17:27:17,597 INFO L246 CegarLoopResult]: For program point L445-4(lines 445 451) no Hoare annotation was computed. [2019-11-28 17:27:17,597 INFO L246 CegarLoopResult]: For program point L445-5(lines 445 451) no Hoare annotation was computed. [2019-11-28 17:27:17,598 INFO L246 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2019-11-28 17:27:17,598 INFO L246 CegarLoopResult]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-11-28 17:27:17,598 INFO L246 CegarLoopResult]: For program point L348-2(lines 348 354) no Hoare annotation was computed. [2019-11-28 17:27:17,598 INFO L246 CegarLoopResult]: For program point L348-4(lines 348 354) no Hoare annotation was computed. [2019-11-28 17:27:17,598 INFO L246 CegarLoopResult]: For program point L84(lines 84 95) no Hoare annotation was computed. [2019-11-28 17:27:17,598 INFO L242 CegarLoopResult]: At program point L514-2(lines 514 528) the Hoare annotation is: false [2019-11-28 17:27:17,598 INFO L246 CegarLoopResult]: For program point L184(lines 184 201) no Hoare annotation was computed. [2019-11-28 17:27:17,598 INFO L246 CegarLoopResult]: For program point L184-1(lines 184 201) no Hoare annotation was computed. [2019-11-28 17:27:17,598 INFO L246 CegarLoopResult]: For program point L184-2(lines 184 201) no Hoare annotation was computed. [2019-11-28 17:27:17,598 INFO L246 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-28 17:27:17,599 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:27:17,599 INFO L242 CegarLoopResult]: At program point L450(lines 441 454) the Hoare annotation is: false [2019-11-28 17:27:17,599 INFO L242 CegarLoopResult]: At program point L450-1(lines 441 454) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4))) [2019-11-28 17:27:17,599 INFO L242 CegarLoopResult]: At program point L450-2(lines 441 454) the Hoare annotation is: false [2019-11-28 17:27:17,599 INFO L242 CegarLoopResult]: At program point L450-3(lines 441 454) the Hoare annotation is: false [2019-11-28 17:27:17,599 INFO L242 CegarLoopResult]: At program point L450-4(lines 441 454) the Hoare annotation is: false [2019-11-28 17:27:17,599 INFO L242 CegarLoopResult]: At program point L450-5(lines 441 454) the Hoare annotation is: false [2019-11-28 17:27:17,599 INFO L246 CegarLoopResult]: For program point L55(lines 54 99) no Hoare annotation was computed. [2019-11-28 17:27:17,600 INFO L246 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2019-11-28 17:27:17,600 INFO L246 CegarLoopResult]: For program point L518-1(lines 126 132) no Hoare annotation was computed. [2019-11-28 17:27:17,600 INFO L246 CegarLoopResult]: For program point L221(lines 221 227) no Hoare annotation was computed. [2019-11-28 17:27:17,600 INFO L246 CegarLoopResult]: For program point L188(lines 188 196) no Hoare annotation was computed. [2019-11-28 17:27:17,600 INFO L246 CegarLoopResult]: For program point L221-2(lines 221 227) no Hoare annotation was computed. [2019-11-28 17:27:17,600 INFO L246 CegarLoopResult]: For program point L188-1(lines 188 196) no Hoare annotation was computed. [2019-11-28 17:27:17,600 INFO L246 CegarLoopResult]: For program point L188-2(lines 188 196) no Hoare annotation was computed. [2019-11-28 17:27:17,600 INFO L246 CegarLoopResult]: For program point L221-4(lines 221 227) no Hoare annotation was computed. [2019-11-28 17:27:17,600 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-28 17:27:17,600 INFO L246 CegarLoopResult]: For program point L221-6(lines 221 227) no Hoare annotation was computed. [2019-11-28 17:27:17,601 INFO L246 CegarLoopResult]: For program point L221-8(lines 221 227) no Hoare annotation was computed. [2019-11-28 17:27:17,601 INFO L246 CegarLoopResult]: For program point L221-10(lines 221 227) no Hoare annotation was computed. [2019-11-28 17:27:17,601 INFO L246 CegarLoopResult]: For program point L585(lines 585 592) no Hoare annotation was computed. [2019-11-28 17:27:17,601 INFO L249 CegarLoopResult]: At program point L585-1(lines 585 592) the Hoare annotation is: true [2019-11-28 17:27:17,601 INFO L242 CegarLoopResult]: At program point L255(lines 250 258) the Hoare annotation is: false [2019-11-28 17:27:17,601 INFO L242 CegarLoopResult]: At program point L255-1(lines 250 258) the Hoare annotation is: false [2019-11-28 17:27:17,601 INFO L242 CegarLoopResult]: At program point L255-2(lines 250 258) the Hoare annotation is: false [2019-11-28 17:27:17,601 INFO L246 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-11-28 17:27:17,601 INFO L246 CegarLoopResult]: For program point L90-2(lines 126 132) no Hoare annotation was computed. [2019-11-28 17:27:17,601 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:27:17,602 INFO L246 CegarLoopResult]: For program point L323(lines 323 327) no Hoare annotation was computed. [2019-11-28 17:27:17,602 INFO L246 CegarLoopResult]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2019-11-28 17:27:17,602 INFO L246 CegarLoopResult]: For program point L323-3(lines 323 327) no Hoare annotation was computed. [2019-11-28 17:27:17,602 INFO L246 CegarLoopResult]: For program point L158(lines 158 175) no Hoare annotation was computed. [2019-11-28 17:27:17,602 INFO L246 CegarLoopResult]: For program point L323-5(lines 323 327) no Hoare annotation was computed. [2019-11-28 17:27:17,602 INFO L246 CegarLoopResult]: For program point L158-1(lines 158 175) no Hoare annotation was computed. [2019-11-28 17:27:17,602 INFO L246 CegarLoopResult]: For program point L323-6(lines 323 327) no Hoare annotation was computed. [2019-11-28 17:27:17,602 INFO L246 CegarLoopResult]: For program point L158-2(lines 158 175) no Hoare annotation was computed. [2019-11-28 17:27:17,602 INFO L246 CegarLoopResult]: For program point L158-3(lines 158 175) no Hoare annotation was computed. [2019-11-28 17:27:17,602 INFO L246 CegarLoopResult]: For program point L323-8(lines 323 327) no Hoare annotation was computed. [2019-11-28 17:27:17,603 INFO L246 CegarLoopResult]: For program point L158-4(lines 158 175) no Hoare annotation was computed. [2019-11-28 17:27:17,603 INFO L246 CegarLoopResult]: For program point L158-5(lines 158 175) no Hoare annotation was computed. [2019-11-28 17:27:17,603 INFO L242 CegarLoopResult]: At program point L126(lines 125 144) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:17,603 INFO L246 CegarLoopResult]: For program point L126-1(lines 126 132) no Hoare annotation was computed. [2019-11-28 17:27:17,603 INFO L242 CegarLoopResult]: At program point L126-2(lines 125 144) the Hoare annotation is: false [2019-11-28 17:27:17,603 INFO L242 CegarLoopResult]: At program point L126-3(lines 125 144) the Hoare annotation is: false [2019-11-28 17:27:17,603 INFO L242 CegarLoopResult]: At program point L490(lines 1 972) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:17,603 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:27:17,603 INFO L246 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2019-11-28 17:27:17,604 INFO L246 CegarLoopResult]: For program point L162(lines 162 170) no Hoare annotation was computed. [2019-11-28 17:27:17,604 INFO L246 CegarLoopResult]: For program point L162-1(lines 162 170) no Hoare annotation was computed. [2019-11-28 17:27:17,604 INFO L246 CegarLoopResult]: For program point L162-2(lines 162 170) no Hoare annotation was computed. [2019-11-28 17:27:17,604 INFO L246 CegarLoopResult]: For program point L162-3(lines 162 170) no Hoare annotation was computed. [2019-11-28 17:27:17,604 INFO L246 CegarLoopResult]: For program point L162-4(lines 162 170) no Hoare annotation was computed. [2019-11-28 17:27:17,604 INFO L246 CegarLoopResult]: For program point L162-5(lines 162 170) no Hoare annotation was computed. [2019-11-28 17:27:17,604 INFO L242 CegarLoopResult]: At program point L460(lines 455 463) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:17,604 INFO L242 CegarLoopResult]: At program point L460-1(lines 455 463) the Hoare annotation is: false [2019-11-28 17:27:17,604 INFO L242 CegarLoopResult]: At program point L460-2(lines 455 463) the Hoare annotation is: false [2019-11-28 17:27:17,604 INFO L246 CegarLoopResult]: For program point L64(lines 64 70) no Hoare annotation was computed. [2019-11-28 17:27:17,605 INFO L242 CegarLoopResult]: At program point L64-1(lines 64 70) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2 (= ~pumpRunning~0 0) .cse3))) [2019-11-28 17:27:17,605 INFO L242 CegarLoopResult]: At program point L329(lines 314 332) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:17,605 INFO L242 CegarLoopResult]: At program point L329-1(lines 314 332) the Hoare annotation is: false [2019-11-28 17:27:17,605 INFO L242 CegarLoopResult]: At program point L329-2(lines 314 332) the Hoare annotation is: false [2019-11-28 17:27:17,605 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:27:17,605 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2019-11-28 17:27:17,605 INFO L249 CegarLoopResult]: At program point L594(lines 575 597) the Hoare annotation is: true [2019-11-28 17:27:17,606 INFO L242 CegarLoopResult]: At program point L562(lines 558 564) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~7) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:17,606 INFO L242 CegarLoopResult]: At program point L133(lines 133 139) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse3))) [2019-11-28 17:27:17,606 INFO L242 CegarLoopResult]: At program point L100(lines 53 101) the Hoare annotation is: false [2019-11-28 17:27:17,606 INFO L242 CegarLoopResult]: At program point L133-1(lines 133 139) the Hoare annotation is: false [2019-11-28 17:27:17,606 INFO L242 CegarLoopResult]: At program point L133-2(lines 133 139) the Hoare annotation is: false [2019-11-28 17:27:17,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:27:17 BoogieIcfgContainer [2019-11-28 17:27:17,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:27:17,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:27:17,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:27:17,646 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:27:17,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:09" (3/4) ... [2019-11-28 17:27:17,651 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:27:17,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:27:17,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:27:17,676 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:27:17,677 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:27:17,683 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:27:17,684 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:17,687 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:17,734 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:27:17,734 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:27:17,734 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && 2 <= tmp) && \result == systemActive) && 2 <= \result) && 0 == splverifierCounter) || (((((((1 == systemActive && tmp == systemActive) && 1 <= tmp) && 1 <= \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:17,736 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || (((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:17,737 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || (((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:17,739 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-28 17:27:17,739 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || (((((1 == systemActive && tmp == systemActive) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:17,741 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 2 <= \result) && 0 == splverifierCounter) || ((((((1 == systemActive && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:17,742 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 0 == \result) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-28 17:27:17,743 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:17,751 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && tmp == systemActive) && !(0 == \result)) && 0 == \result) && !(0 == tmp___0)) && 0 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-28 17:27:17,752 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((0 == \result && 1 == systemActive) && tmp == systemActive) && 0 == tmp___0) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:17,755 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:27:17,756 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:27:17,877 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:27:17,878 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:27:17,879 INFO L168 Benchmark]: Toolchain (without parser) took 10099.59 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 284.7 MB). Free memory was 963.1 MB in the beginning and 965.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 282.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:17,879 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:27:17,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -117.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:17,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:17,881 INFO L168 Benchmark]: Boogie Preprocessor took 99.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:17,881 INFO L168 Benchmark]: RCFGBuilder took 1076.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:17,881 INFO L168 Benchmark]: TraceAbstraction took 7757.30 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.0 GB in the beginning and 974.7 MB in the end (delta: 30.1 MB). Peak memory consumption was 335.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:17,882 INFO L168 Benchmark]: Witness Printer took 231.92 ms. Allocated memory is still 1.3 GB. Free memory was 974.7 MB in the beginning and 965.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:17,884 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 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 806.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -117.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 123.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1076.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7757.30 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.0 GB in the beginning and 974.7 MB in the end (delta: 30.1 MB). Peak memory consumption was 335.8 MB. Max. memory is 11.5 GB. * Witness Printer took 231.92 ms. Allocated memory is still 1.3 GB. Free memory was 974.7 MB in the beginning and 965.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 969]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 969]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 969]: 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: 455]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 0 == \result) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((0 == \result && 1 == systemActive) && tmp == systemActive) && 0 == tmp___0) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && tmp == systemActive) && !(0 == \result)) && 0 == \result) && !(0 == tmp___0)) && 0 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && 2 <= tmp) && \result == systemActive) && 2 <= \result) && 0 == splverifierCounter) || (((((((1 == systemActive && tmp == systemActive) && 1 <= tmp) && 1 <= \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || (((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || (((((1 == systemActive && tmp == systemActive) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 2 <= \result) && 0 == splverifierCounter) || ((((((1 == systemActive && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || (((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: (((1 == tmp && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 4.0s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, HoareTripleCheckerStatistics: 1317 SDtfs, 1966 SDslu, 1914 SDs, 0 SdLazy, 309 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 667 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 140 NumberOfFragments, 485 HoareAnnotationTreeSize, 54 FomulaSimplifications, 213081 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 54 FomulaSimplificationsInter, 66025 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 491 ConstructedInterpolants, 0 QuantifiedInterpolants, 40889 SizeOfPredicates, 4 NumberOfNonLiveVariables, 415 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 120/126 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...