./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_product14.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 66b586d6027b93241761f1d47a4909c4b4135d36 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:43:54,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:43:54,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:43:54,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:43:54,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:43:54,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:43:54,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:43:54,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:43:54,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:43:54,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:43:54,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:43:54,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:43:54,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:43:54,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:43:54,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:43:54,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:43:54,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:43:54,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:43:54,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:43:54,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:43:54,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:43:54,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:43:54,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:43:54,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:43:54,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:43:54,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:43:54,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:43:54,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:43:54,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:43:54,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:43:54,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:43:54,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:43:54,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:43:54,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:43:54,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:43:54,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:43:54,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:43:54,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:43:54,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:43:54,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:43:54,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:43:54,620 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:43:54,653 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:43:54,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:43:54,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:43:54,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:43:54,655 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:43:54,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:43:54,655 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:43:54,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:43:54,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:43:54,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:43:54,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:43:54,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:43:54,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:43:54,657 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:43:54,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:43:54,657 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:43:54,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:43:54,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:43:54,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:43:54,658 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:43:54,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:43:54,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:43:54,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:43:54,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:43:54,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:43:54,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:43:54,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:43:54,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:43:54,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:43:54,659 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(reach_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 -> 66b586d6027b93241761f1d47a4909c4b4135d36 [2020-10-20 01:43:54,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:43:54,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:43:54,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:43:54,898 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:43:54,899 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:43:54,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2020-10-20 01:43:54,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/837b6aec8/fe859d9a3d864236b19063ddfb4c2d40/FLAG3934171e9 [2020-10-20 01:43:55,596 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:43:55,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2020-10-20 01:43:55,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/837b6aec8/fe859d9a3d864236b19063ddfb4c2d40/FLAG3934171e9 [2020-10-20 01:43:55,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/837b6aec8/fe859d9a3d864236b19063ddfb4c2d40 [2020-10-20 01:43:55,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:43:55,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:43:55,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:55,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:43:55,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:43:55,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:55" (1/1) ... [2020-10-20 01:43:55,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b06922a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:55, skipping insertion in model container [2020-10-20 01:43:55,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:55" (1/1) ... [2020-10-20 01:43:55,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:43:55,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:43:56,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:56,242 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:43:56,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:56,369 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:43:56,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:56 WrapperNode [2020-10-20 01:43:56,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:56,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:56,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:43:56,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:43:56,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:56" (1/1) ... [2020-10-20 01:43:56,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:56" (1/1) ... [2020-10-20 01:43:56,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:56,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:43:56,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:43:56,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:43:56,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:56" (1/1) ... [2020-10-20 01:43:56,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:56" (1/1) ... [2020-10-20 01:43:56,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:56" (1/1) ... [2020-10-20 01:43:56,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:56" (1/1) ... [2020-10-20 01:43:56,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:56" (1/1) ... [2020-10-20 01:43:56,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:56" (1/1) ... [2020-10-20 01:43:56,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:56" (1/1) ... [2020-10-20 01:43:56,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:43:56,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:43:56,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:43:56,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:43:56,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:56" (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 [2020-10-20 01:43:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:43:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:43:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:43:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:43:57,425 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:43:57,425 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-10-20 01:43:57,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:57 BoogieIcfgContainer [2020-10-20 01:43:57,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:43:57,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:43:57,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:43:57,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:43:57,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:43:55" (1/3) ... [2020-10-20 01:43:57,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cad07f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:57, skipping insertion in model container [2020-10-20 01:43:57,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:56" (2/3) ... [2020-10-20 01:43:57,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cad07f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:57, skipping insertion in model container [2020-10-20 01:43:57,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:57" (3/3) ... [2020-10-20 01:43:57,436 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2020-10-20 01:43:57,448 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:43:57,456 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:43:57,479 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:43:57,503 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:43:57,503 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:43:57,503 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:43:57,503 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:43:57,505 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:43:57,506 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:43:57,508 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:43:57,508 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:43:57,524 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-10-20 01:43:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:43:57,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:57,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:57,532 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:57,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:57,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1934504515, now seen corresponding path program 1 times [2020-10-20 01:43:57,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:57,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948824044] [2020-10-20 01:43:57,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:57,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:57,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948824044] [2020-10-20 01:43:57,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:57,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:57,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948169234] [2020-10-20 01:43:57,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:43:57,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:57,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:43:57,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:43:57,824 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-10-20 01:43:57,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:57,853 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-10-20 01:43:57,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:43:57,854 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:43:57,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:57,867 INFO L225 Difference]: With dead ends: 135 [2020-10-20 01:43:57,868 INFO L226 Difference]: Without dead ends: 65 [2020-10-20 01:43:57,871 INFO L677 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 [2020-10-20 01:43:57,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-20 01:43:57,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-20 01:43:57,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-20 01:43:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-10-20 01:43:57,930 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-10-20 01:43:57,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:57,930 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-10-20 01:43:57,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:43:57,931 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-10-20 01:43:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:43:57,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:57,932 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:57,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:43:57,933 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:57,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:57,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1313705884, now seen corresponding path program 1 times [2020-10-20 01:43:57,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:57,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340073916] [2020-10-20 01:43:57,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:58,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340073916] [2020-10-20 01:43:58,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:58,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:58,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759562627] [2020-10-20 01:43:58,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:58,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:58,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:58,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:58,088 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2020-10-20 01:43:58,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:58,099 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-10-20 01:43:58,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:58,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:43:58,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:58,101 INFO L225 Difference]: With dead ends: 65 [2020-10-20 01:43:58,101 INFO L226 Difference]: Without dead ends: 31 [2020-10-20 01:43:58,102 INFO L677 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 [2020-10-20 01:43:58,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-20 01:43:58,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-20 01:43:58,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-20 01:43:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-10-20 01:43:58,109 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-10-20 01:43:58,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:58,109 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-10-20 01:43:58,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:58,109 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-10-20 01:43:58,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:43:58,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:58,110 INFO L422 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] [2020-10-20 01:43:58,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:43:58,111 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:58,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:58,111 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2020-10-20 01:43:58,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:58,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121179061] [2020-10-20 01:43:58,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:58,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121179061] [2020-10-20 01:43:58,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:58,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:58,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133420331] [2020-10-20 01:43:58,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:58,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:58,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:58,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:58,219 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2020-10-20 01:43:58,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:58,278 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-10-20 01:43:58,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:43:58,279 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-20 01:43:58,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:58,280 INFO L225 Difference]: With dead ends: 56 [2020-10-20 01:43:58,280 INFO L226 Difference]: Without dead ends: 31 [2020-10-20 01:43:58,281 INFO L677 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 [2020-10-20 01:43:58,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-20 01:43:58,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-20 01:43:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-20 01:43:58,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-10-20 01:43:58,286 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-10-20 01:43:58,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:58,287 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-10-20 01:43:58,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:58,287 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-10-20 01:43:58,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 01:43:58,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:58,288 INFO L422 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] [2020-10-20 01:43:58,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:43:58,288 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:58,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:58,289 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2020-10-20 01:43:58,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:58,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598888751] [2020-10-20 01:43:58,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:58,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:58,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598888751] [2020-10-20 01:43:58,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:58,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 01:43:58,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477561070] [2020-10-20 01:43:58,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:43:58,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:58,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:43:58,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:43:58,389 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 8 states. [2020-10-20 01:43:58,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:58,803 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2020-10-20 01:43:58,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-20 01:43:58,804 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-20 01:43:58,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:58,806 INFO L225 Difference]: With dead ends: 178 [2020-10-20 01:43:58,807 INFO L226 Difference]: Without dead ends: 153 [2020-10-20 01:43:58,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-20 01:43:58,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-20 01:43:58,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 72. [2020-10-20 01:43:58,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-20 01:43:58,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2020-10-20 01:43:58,824 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2020-10-20 01:43:58,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:58,825 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2020-10-20 01:43:58,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:43:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2020-10-20 01:43:58,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:43:58,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:58,827 INFO L422 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] [2020-10-20 01:43:58,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:43:58,827 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:58,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:58,828 INFO L82 PathProgramCache]: Analyzing trace with hash -184875712, now seen corresponding path program 1 times [2020-10-20 01:43:58,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:58,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615319600] [2020-10-20 01:43:58,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:58,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:58,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615319600] [2020-10-20 01:43:58,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:58,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:58,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999219021] [2020-10-20 01:43:58,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:58,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:58,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:58,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:58,881 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2020-10-20 01:43:58,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:58,896 INFO L93 Difference]: Finished difference Result 126 states and 177 transitions. [2020-10-20 01:43:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:58,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:43:58,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:58,898 INFO L225 Difference]: With dead ends: 126 [2020-10-20 01:43:58,898 INFO L226 Difference]: Without dead ends: 60 [2020-10-20 01:43:58,899 INFO L677 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 [2020-10-20 01:43:58,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-20 01:43:58,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-10-20 01:43:58,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-20 01:43:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2020-10-20 01:43:58,910 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2020-10-20 01:43:58,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:58,910 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2020-10-20 01:43:58,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:58,911 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-10-20 01:43:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-20 01:43:58,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:58,913 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:58,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:43:58,913 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:58,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:58,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1477751617, now seen corresponding path program 1 times [2020-10-20 01:43:58,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:58,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967855659] [2020-10-20 01:43:58,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:59,006 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:59,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967855659] [2020-10-20 01:43:59,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115351303] [2020-10-20 01:43:59,007 INFO L95 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 [2020-10-20 01:43:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:59,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 01:43:59,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:43:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:59,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:43:59,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-10-20 01:43:59,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148818755] [2020-10-20 01:43:59,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:43:59,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:59,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:43:59,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:59,216 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 4 states. [2020-10-20 01:43:59,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:59,310 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2020-10-20 01:43:59,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:43:59,311 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-10-20 01:43:59,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:59,312 INFO L225 Difference]: With dead ends: 77 [2020-10-20 01:43:59,312 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:43:59,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:59,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:43:59,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:43:59,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:43:59,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:43:59,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-10-20 01:43:59,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:59,315 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:43:59,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:43:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:43:59,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:43:59,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-20 01:43:59,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:00,219 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:00,220 INFO L274 CegarLoopResult]: For program point L878(lines 878 891) no Hoare annotation was computed. [2020-10-20 01:44:00,220 INFO L270 CegarLoopResult]: At program point L878-1(lines 1 894) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0 (<= 2 ~waterLevel~0) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:44:00,221 INFO L274 CegarLoopResult]: For program point L878-2(lines 878 891) no Hoare annotation was computed. [2020-10-20 01:44:00,221 INFO L270 CegarLoopResult]: At program point L878-3(lines 1 894) the Hoare annotation is: false [2020-10-20 01:44:00,221 INFO L274 CegarLoopResult]: For program point L878-4(lines 878 891) no Hoare annotation was computed. [2020-10-20 01:44:00,221 INFO L270 CegarLoopResult]: At program point L878-5(lines 1 894) the Hoare annotation is: false [2020-10-20 01:44:00,221 INFO L270 CegarLoopResult]: At program point L614(lines 613 632) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:00,221 INFO L274 CegarLoopResult]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2020-10-20 01:44:00,222 INFO L270 CegarLoopResult]: At program point L614-2(lines 613 632) the Hoare annotation is: false [2020-10-20 01:44:00,222 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:00,222 INFO L270 CegarLoopResult]: At program point L614-3(lines 613 632) the Hoare annotation is: false [2020-10-20 01:44:00,222 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:00,222 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:00,222 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:00,222 INFO L274 CegarLoopResult]: For program point L565(lines 565 571) no Hoare annotation was computed. [2020-10-20 01:44:00,223 INFO L270 CegarLoopResult]: At program point L565-1(lines 565 571) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:00,223 INFO L274 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2020-10-20 01:44:00,223 INFO L274 CegarLoopResult]: For program point L583(lines 583 587) no Hoare annotation was computed. [2020-10-20 01:44:00,223 INFO L270 CegarLoopResult]: At program point L583-2(lines 614 620) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:00,223 INFO L270 CegarLoopResult]: At program point L716(lines 711 719) the Hoare annotation is: false [2020-10-20 01:44:00,223 INFO L270 CegarLoopResult]: At program point L716-1(lines 711 719) the Hoare annotation is: false [2020-10-20 01:44:00,224 INFO L274 CegarLoopResult]: For program point L650(lines 650 658) no Hoare annotation was computed. [2020-10-20 01:44:00,224 INFO L270 CegarLoopResult]: At program point L716-2(lines 711 719) the Hoare annotation is: false [2020-10-20 01:44:00,224 INFO L274 CegarLoopResult]: For program point L650-1(lines 650 658) no Hoare annotation was computed. [2020-10-20 01:44:00,224 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 658) no Hoare annotation was computed. [2020-10-20 01:44:00,224 INFO L277 CegarLoopResult]: At program point L865(lines 846 868) the Hoare annotation is: true [2020-10-20 01:44:00,224 INFO L274 CegarLoopResult]: For program point L882(lines 882 888) no Hoare annotation was computed. [2020-10-20 01:44:00,224 INFO L274 CegarLoopResult]: For program point L882-2(lines 882 888) no Hoare annotation was computed. [2020-10-20 01:44:00,224 INFO L274 CegarLoopResult]: For program point L882-4(lines 882 888) no Hoare annotation was computed. [2020-10-20 01:44:00,225 INFO L270 CegarLoopResult]: At program point L833(lines 829 835) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:00,225 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:00,225 INFO L270 CegarLoopResult]: At program point L785-2(lines 785 799) the Hoare annotation is: false [2020-10-20 01:44:00,225 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:00,225 INFO L274 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-10-20 01:44:00,225 INFO L274 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-10-20 01:44:00,226 INFO L274 CegarLoopResult]: For program point L769-2(line 769) no Hoare annotation was computed. [2020-10-20 01:44:00,226 INFO L274 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2020-10-20 01:44:00,226 INFO L274 CegarLoopResult]: For program point L92-3(lines 92 96) no Hoare annotation was computed. [2020-10-20 01:44:00,226 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:00,226 INFO L274 CegarLoopResult]: For program point L92-6(lines 92 96) no Hoare annotation was computed. [2020-10-20 01:44:00,227 INFO L274 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-10-20 01:44:00,227 INFO L270 CegarLoopResult]: At program point L621(lines 621 627) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:00,227 INFO L270 CegarLoopResult]: At program point L621-1(lines 621 627) the Hoare annotation is: false [2020-10-20 01:44:00,227 INFO L274 CegarLoopResult]: For program point L555(lines 555 561) no Hoare annotation was computed. [2020-10-20 01:44:00,227 INFO L270 CegarLoopResult]: At program point L621-2(lines 621 627) the Hoare annotation is: false [2020-10-20 01:44:00,227 INFO L270 CegarLoopResult]: At program point L555-1(lines 555 561) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:00,228 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:00,228 INFO L270 CegarLoopResult]: At program point L161(lines 156 164) the Hoare annotation is: (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:00,228 INFO L270 CegarLoopResult]: At program point L161-1(lines 156 164) the Hoare annotation is: false [2020-10-20 01:44:00,228 INFO L270 CegarLoopResult]: At program point L161-2(lines 156 164) the Hoare annotation is: false [2020-10-20 01:44:00,228 INFO L274 CegarLoopResult]: For program point L789(lines 789 793) no Hoare annotation was computed. [2020-10-20 01:44:00,228 INFO L274 CegarLoopResult]: For program point L789-1(lines 614 620) no Hoare annotation was computed. [2020-10-20 01:44:00,229 INFO L270 CegarLoopResult]: At program point L707(lines 700 710) the Hoare annotation is: false [2020-10-20 01:44:00,229 INFO L270 CegarLoopResult]: At program point L707-1(lines 700 710) the Hoare annotation is: false [2020-10-20 01:44:00,229 INFO L270 CegarLoopResult]: At program point L129(lines 124 132) the Hoare annotation is: false [2020-10-20 01:44:00,229 INFO L270 CegarLoopResult]: At program point L707-2(lines 700 710) the Hoare annotation is: false [2020-10-20 01:44:00,229 INFO L270 CegarLoopResult]: At program point L129-1(lines 124 132) the Hoare annotation is: false [2020-10-20 01:44:00,229 INFO L274 CegarLoopResult]: For program point L575(lines 575 588) no Hoare annotation was computed. [2020-10-20 01:44:00,229 INFO L270 CegarLoopResult]: At program point L129-2(lines 124 132) the Hoare annotation is: false [2020-10-20 01:44:00,230 INFO L274 CegarLoopResult]: For program point L856(lines 856 863) no Hoare annotation was computed. [2020-10-20 01:44:00,230 INFO L277 CegarLoopResult]: At program point L856-1(lines 856 863) the Hoare annotation is: true [2020-10-20 01:44:00,230 INFO L270 CegarLoopResult]: At program point L593(lines 544 594) the Hoare annotation is: false [2020-10-20 01:44:00,230 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:00,230 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:00,231 INFO L274 CegarLoopResult]: For program point L116(lines 116 120) no Hoare annotation was computed. [2020-10-20 01:44:00,231 INFO L270 CegarLoopResult]: At program point L67(lines 1 894) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-20 01:44:00,231 INFO L274 CegarLoopResult]: For program point L546(lines 545 592) no Hoare annotation was computed. [2020-10-20 01:44:00,231 INFO L274 CegarLoopResult]: For program point L646(lines 646 663) no Hoare annotation was computed. [2020-10-20 01:44:00,231 INFO L274 CegarLoopResult]: For program point L646-1(lines 646 663) no Hoare annotation was computed. [2020-10-20 01:44:00,231 INFO L274 CegarLoopResult]: For program point L646-2(lines 646 663) no Hoare annotation was computed. [2020-10-20 01:44:00,232 INFO L274 CegarLoopResult]: For program point L547(lines 547 551) no Hoare annotation was computed. [2020-10-20 01:44:00,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:00 BoogieIcfgContainer [2020-10-20 01:44:00,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:00,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:00,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:00,256 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:00,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:57" (3/4) ... [2020-10-20 01:44:00,260 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:00,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:00,280 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:00,281 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:00,281 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:00,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:00,283 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:00,283 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:00,319 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:44:00,319 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-20 01:44:00,319 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == waterLevel && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((!(\result == 0) && !(0 == systemActive)) && 2 <= waterLevel) && !(tmp == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:44:00,320 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-20 01:44:00,320 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-20 01:44:00,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-20 01:44:00,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-20 01:44:00,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-20 01:44:00,322 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\result == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-20 01:44:00,387 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:00,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:00,389 INFO L168 Benchmark]: Toolchain (without parser) took 4604.42 ms. Allocated memory was 42.5 MB in the beginning and 65.5 MB in the end (delta: 23.1 MB). Free memory was 22.4 MB in the beginning and 12.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 33.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:00,390 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 32.0 MB. Free memory was 11.0 MB in the beginning and 11.0 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:00,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.91 ms. Allocated memory was 42.5 MB in the beginning and 43.0 MB in the end (delta: 524.3 kB). Free memory was 21.5 MB in the beginning and 12.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:00,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.70 ms. Allocated memory was 43.0 MB in the beginning and 44.6 MB in the end (delta: 1.6 MB). Free memory was 12.2 MB in the beginning and 27.2 MB in the end (delta: -15.0 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:00,391 INFO L168 Benchmark]: Boogie Preprocessor took 38.36 ms. Allocated memory is still 44.6 MB. Free memory was 27.0 MB in the beginning and 24.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:00,391 INFO L168 Benchmark]: RCFGBuilder took 941.59 ms. Allocated memory was 44.6 MB in the beginning and 47.2 MB in the end (delta: 2.6 MB). Free memory was 24.7 MB in the beginning and 12.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:00,392 INFO L168 Benchmark]: TraceAbstraction took 2826.45 ms. Allocated memory was 47.2 MB in the beginning and 65.5 MB in the end (delta: 18.4 MB). Free memory was 11.6 MB in the beginning and 21.3 MB in the end (delta: -9.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:00,392 INFO L168 Benchmark]: Witness Printer took 131.50 ms. Allocated memory is still 65.5 MB. Free memory was 21.3 MB in the beginning and 12.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:00,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 32.0 MB. Free memory was 11.0 MB in the beginning and 11.0 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 576.91 ms. Allocated memory was 42.5 MB in the beginning and 43.0 MB in the end (delta: 524.3 kB). Free memory was 21.5 MB in the beginning and 12.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 75.70 ms. Allocated memory was 43.0 MB in the beginning and 44.6 MB in the end (delta: 1.6 MB). Free memory was 12.2 MB in the beginning and 27.2 MB in the end (delta: -15.0 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 38.36 ms. Allocated memory is still 44.6 MB. Free memory was 27.0 MB in the beginning and 24.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 941.59 ms. Allocated memory was 44.6 MB in the beginning and 47.2 MB in the end (delta: 2.6 MB). Free memory was 24.7 MB in the beginning and 12.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 2826.45 ms. Allocated memory was 47.2 MB in the beginning and 65.5 MB in the end (delta: 18.4 MB). Free memory was 11.6 MB in the beginning and 21.3 MB in the end (delta: -9.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 14.3 GB. * Witness Printer took 131.50 ms. Allocated memory is still 65.5 MB. Free memory was 21.3 MB in the beginning and 12.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((\result == waterLevel && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == waterLevel && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((!(\result == 0) && !(0 == systemActive)) && 2 <= waterLevel) && !(tmp == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (((((!(\result == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 310 SDtfs, 469 SDslu, 344 SDs, 0 SdLazy, 89 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 81 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 47 NumberOfFragments, 236 HoareAnnotationTreeSize, 31 FomulaSimplifications, 448 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 239 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 10707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...