./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product15.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_product15.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 10f6db361160ad683c5ff0095ebb60e0648efb18 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:43:55,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:43:55,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:43:55,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:43:55,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:43:55,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:43:55,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:43:55,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:43:55,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:43:55,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:43:55,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:43:55,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:43:55,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:43:55,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:43:55,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:43:55,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:43:55,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:43:55,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:43:55,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:43:55,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:43:55,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:43:55,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:43:55,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:43:55,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:43:55,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:43:55,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:43:55,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:43:55,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:43:55,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:43:55,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:43:55,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:43:55,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:43:55,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:43:55,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:43:55,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:43:55,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:43:55,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:43:55,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:43:55,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:43:55,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:43:55,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:43:55,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:43:55,677 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:43:55,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:43:55,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:43:55,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:43:55,679 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:43:55,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:43:55,680 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:43:55,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:43:55,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:43:55,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:43:55,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:43:55,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:43:55,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:43:55,681 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:43:55,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:43:55,681 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:43:55,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:43:55,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:43:55,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:43:55,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:43:55,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:43:55,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:43:55,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:43:55,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:43:55,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:43:55,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:43:55,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:43:55,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:43:55,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:43:55,684 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 -> 10f6db361160ad683c5ff0095ebb60e0648efb18 [2020-10-20 01:43:55,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:43:55,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:43:55,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:43:55,904 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:43:55,905 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:43:55,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2020-10-20 01:43:55,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34a4aa119/bf4966d9fd85450f926ddfa7424b619f/FLAG696c6ced4 [2020-10-20 01:43:56,511 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:43:56,511 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2020-10-20 01:43:56,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34a4aa119/bf4966d9fd85450f926ddfa7424b619f/FLAG696c6ced4 [2020-10-20 01:43:56,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34a4aa119/bf4966d9fd85450f926ddfa7424b619f [2020-10-20 01:43:56,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:43:56,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:43:56,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:56,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:43:56,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:43:56,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:56" (1/1) ... [2020-10-20 01:43:56,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4372c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:56, skipping insertion in model container [2020-10-20 01:43:56,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:56" (1/1) ... [2020-10-20 01:43:56,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:43:56,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:43:57,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:57,351 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:43:57,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:57,487 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:43:57,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:57 WrapperNode [2020-10-20 01:43:57,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:57,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:57,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:43:57,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:43:57,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:57" (1/1) ... [2020-10-20 01:43:57,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:57" (1/1) ... [2020-10-20 01:43:57,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:57,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:43:57,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:43:57,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:43:57,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:57" (1/1) ... [2020-10-20 01:43:57,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:57" (1/1) ... [2020-10-20 01:43:57,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:57" (1/1) ... [2020-10-20 01:43:57,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:57" (1/1) ... [2020-10-20 01:43:57,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:57" (1/1) ... [2020-10-20 01:43:57,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:57" (1/1) ... [2020-10-20 01:43:57,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:57" (1/1) ... [2020-10-20 01:43:57,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:43:57,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:43:57,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:43:57,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:43:57,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:57" (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 01:43:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:43:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:43:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:43:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:43:58,493 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:43:58,493 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-10-20 01:43:58,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:58 BoogieIcfgContainer [2020-10-20 01:43:58,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:43:58,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:43:58,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:43:58,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:43:58,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:43:56" (1/3) ... [2020-10-20 01:43:58,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b19ed5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:58, skipping insertion in model container [2020-10-20 01:43:58,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:57" (2/3) ... [2020-10-20 01:43:58,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b19ed5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:58, skipping insertion in model container [2020-10-20 01:43:58,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:58" (3/3) ... [2020-10-20 01:43:58,516 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2020-10-20 01:43:58,531 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:43:58,541 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:43:58,553 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:43:58,580 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:43:58,580 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:43:58,580 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:43:58,581 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:43:58,581 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:43:58,581 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:43:58,582 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:43:58,582 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:43:58,597 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-10-20 01:43:58,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:43:58,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:58,604 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:58,604 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:58,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:58,609 INFO L82 PathProgramCache]: Analyzing trace with hash 590072261, now seen corresponding path program 1 times [2020-10-20 01:43:58,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:58,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556068145] [2020-10-20 01:43:58,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:58,929 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 01:43:58,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556068145] [2020-10-20 01:43:58,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:58,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:58,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577457231] [2020-10-20 01:43:58,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:43:58,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:58,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:43:58,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:43:58,956 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2020-10-20 01:43:58,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:58,995 INFO L93 Difference]: Finished difference Result 139 states and 206 transitions. [2020-10-20 01:43:58,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:43:58,997 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:43:58,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:59,009 INFO L225 Difference]: With dead ends: 139 [2020-10-20 01:43:59,010 INFO L226 Difference]: Without dead ends: 67 [2020-10-20 01:43:59,014 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 01:43:59,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-20 01:43:59,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-10-20 01:43:59,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-20 01:43:59,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-10-20 01:43:59,054 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-10-20 01:43:59,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:59,055 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-10-20 01:43:59,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:43:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-10-20 01:43:59,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:43:59,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:59,057 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 01:43:59,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:43:59,057 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:59,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:59,058 INFO L82 PathProgramCache]: Analyzing trace with hash -456684636, now seen corresponding path program 1 times [2020-10-20 01:43:59,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:59,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214385962] [2020-10-20 01:43:59,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:59,182 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 01:43:59,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214385962] [2020-10-20 01:43:59,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:59,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:59,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935395999] [2020-10-20 01:43:59,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:59,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:59,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:59,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:59,186 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2020-10-20 01:43:59,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:59,197 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-10-20 01:43:59,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:59,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:43:59,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:59,199 INFO L225 Difference]: With dead ends: 67 [2020-10-20 01:43:59,199 INFO L226 Difference]: Without dead ends: 33 [2020-10-20 01:43:59,201 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 01:43:59,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-20 01:43:59,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-20 01:43:59,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-20 01:43:59,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-10-20 01:43:59,207 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-10-20 01:43:59,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:59,207 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-10-20 01:43:59,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:59,207 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-10-20 01:43:59,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:43:59,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:59,208 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 01:43:59,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:43:59,209 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:59,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:59,209 INFO L82 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2020-10-20 01:43:59,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:59,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918807334] [2020-10-20 01:43:59,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:59,361 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 01:43:59,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918807334] [2020-10-20 01:43:59,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:59,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:59,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336730275] [2020-10-20 01:43:59,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:43:59,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:59,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:43:59,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:43:59,364 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2020-10-20 01:43:59,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:59,615 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2020-10-20 01:43:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:43:59,616 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-20 01:43:59,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:59,618 INFO L225 Difference]: With dead ends: 110 [2020-10-20 01:43:59,618 INFO L226 Difference]: Without dead ends: 83 [2020-10-20 01:43:59,622 INFO L677 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 [2020-10-20 01:43:59,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-20 01:43:59,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2020-10-20 01:43:59,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-20 01:43:59,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-10-20 01:43:59,638 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2020-10-20 01:43:59,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:59,639 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-10-20 01:43:59,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:43:59,639 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-10-20 01:43:59,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 01:43:59,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:59,641 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 01:43:59,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:43:59,641 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:59,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:59,642 INFO L82 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2020-10-20 01:43:59,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:59,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196360803] [2020-10-20 01:43:59,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:59,785 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 01:43:59,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196360803] [2020-10-20 01:43:59,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:59,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 01:43:59,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135643196] [2020-10-20 01:43:59,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:43:59,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:59,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:43:59,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:43:59,788 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 8 states. [2020-10-20 01:44:00,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:00,233 INFO L93 Difference]: Finished difference Result 317 states and 489 transitions. [2020-10-20 01:44:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-20 01:44:00,234 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-20 01:44:00,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:00,237 INFO L225 Difference]: With dead ends: 317 [2020-10-20 01:44:00,237 INFO L226 Difference]: Without dead ends: 271 [2020-10-20 01:44:00,238 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 01:44:00,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-10-20 01:44:00,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 130. [2020-10-20 01:44:00,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-20 01:44:00,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2020-10-20 01:44:00,261 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 23 [2020-10-20 01:44:00,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:00,262 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2020-10-20 01:44:00,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:44:00,262 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2020-10-20 01:44:00,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:44:00,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:00,265 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 01:44:00,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:00,266 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:00,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:00,266 INFO L82 PathProgramCache]: Analyzing trace with hash 767593024, now seen corresponding path program 1 times [2020-10-20 01:44:00,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:00,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847873211] [2020-10-20 01:44:00,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:00,387 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 01:44:00,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847873211] [2020-10-20 01:44:00,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:00,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:00,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550707794] [2020-10-20 01:44:00,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:00,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:00,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:00,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:00,390 INFO L87 Difference]: Start difference. First operand 130 states and 187 transitions. Second operand 3 states. [2020-10-20 01:44:00,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:00,416 INFO L93 Difference]: Finished difference Result 239 states and 346 transitions. [2020-10-20 01:44:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:00,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:44:00,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:00,420 INFO L225 Difference]: With dead ends: 239 [2020-10-20 01:44:00,420 INFO L226 Difference]: Without dead ends: 115 [2020-10-20 01:44:00,421 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 01:44:00,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-20 01:44:00,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-10-20 01:44:00,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-20 01:44:00,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2020-10-20 01:44:00,455 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 24 [2020-10-20 01:44:00,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:00,456 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2020-10-20 01:44:00,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:00,460 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2020-10-20 01:44:00,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-20 01:44:00,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:00,463 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 01:44:00,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:00,463 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:00,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:00,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1286222905, now seen corresponding path program 1 times [2020-10-20 01:44:00,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:00,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049202839] [2020-10-20 01:44:00,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:00,562 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 01:44:00,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049202839] [2020-10-20 01:44:00,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362076409] [2020-10-20 01:44:00,563 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 01:44:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:00,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 01:44:00,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:00,791 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 01:44:00,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:44:00,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-10-20 01:44:00,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946393312] [2020-10-20 01:44:00,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:00,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:00,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:00,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:00,794 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 4 states. [2020-10-20 01:44:00,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:00,891 INFO L93 Difference]: Finished difference Result 150 states and 201 transitions. [2020-10-20 01:44:00,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:00,892 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-10-20 01:44:00,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:00,892 INFO L225 Difference]: With dead ends: 150 [2020-10-20 01:44:00,892 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:00,894 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 01:44:00,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:00,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:00,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:00,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-10-20 01:44:00,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:00,895 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:00,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:00,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:00,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:01,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-20 01:44:01,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:01,823 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:01,824 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:01,824 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:01,824 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:01,824 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:01,824 INFO L274 CegarLoopResult]: For program point L796(lines 796 800) no Hoare annotation was computed. [2020-10-20 01:44:01,824 INFO L274 CegarLoopResult]: For program point L796-1(lines 176 182) no Hoare annotation was computed. [2020-10-20 01:44:01,825 INFO L270 CegarLoopResult]: At program point L152(lines 103 153) the Hoare annotation is: false [2020-10-20 01:44:01,825 INFO L274 CegarLoopResult]: For program point L863(lines 863 870) no Hoare annotation was computed. [2020-10-20 01:44:01,825 INFO L277 CegarLoopResult]: At program point L863-1(lines 863 870) the Hoare annotation is: true [2020-10-20 01:44:01,826 INFO L274 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-10-20 01:44:01,826 INFO L270 CegarLoopResult]: At program point L269(lines 262 272) the Hoare annotation is: false [2020-10-20 01:44:01,826 INFO L270 CegarLoopResult]: At program point L269-1(lines 262 272) the Hoare annotation is: false [2020-10-20 01:44:01,826 INFO L270 CegarLoopResult]: At program point L269-2(lines 262 272) the Hoare annotation is: false [2020-10-20 01:44:01,827 INFO L274 CegarLoopResult]: For program point L105(lines 104 151) no Hoare annotation was computed. [2020-10-20 01:44:01,827 INFO L274 CegarLoopResult]: For program point L106(lines 106 110) no Hoare annotation was computed. [2020-10-20 01:44:01,827 INFO L274 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-10-20 01:44:01,827 INFO L270 CegarLoopResult]: At program point L140-1(lines 176 182) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-10-20 01:44:01,827 INFO L274 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2020-10-20 01:44:01,827 INFO L270 CegarLoopResult]: At program point L322-1(lines 322 328) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-10-20 01:44:01,828 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:01,828 INFO L274 CegarLoopResult]: For program point L124(lines 124 130) no Hoare annotation was computed. [2020-10-20 01:44:01,830 INFO L270 CegarLoopResult]: At program point L124-1(lines 124 130) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse3 (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse4) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) .cse0 .cse1 .cse4))) [2020-10-20 01:44:01,830 INFO L274 CegarLoopResult]: For program point L719(lines 719 723) no Hoare annotation was computed. [2020-10-20 01:44:01,830 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:01,830 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:01,831 INFO L274 CegarLoopResult]: For program point L885(lines 885 898) no Hoare annotation was computed. [2020-10-20 01:44:01,831 INFO L270 CegarLoopResult]: At program point L885-1(lines 1 901) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse4 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse5 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse4 (<= 2 ~waterLevel~0) .cse5 .cse2 .cse3))) [2020-10-20 01:44:01,831 INFO L274 CegarLoopResult]: For program point L885-2(lines 885 898) no Hoare annotation was computed. [2020-10-20 01:44:01,831 INFO L270 CegarLoopResult]: At program point L885-3(lines 1 901) the Hoare annotation is: false [2020-10-20 01:44:01,831 INFO L274 CegarLoopResult]: For program point L885-4(lines 885 898) no Hoare annotation was computed. [2020-10-20 01:44:01,831 INFO L274 CegarLoopResult]: For program point L208(lines 208 225) no Hoare annotation was computed. [2020-10-20 01:44:01,831 INFO L270 CegarLoopResult]: At program point L885-5(lines 1 901) the Hoare annotation is: false [2020-10-20 01:44:01,832 INFO L274 CegarLoopResult]: For program point L208-1(lines 208 225) no Hoare annotation was computed. [2020-10-20 01:44:01,832 INFO L274 CegarLoopResult]: For program point L208-2(lines 208 225) no Hoare annotation was computed. [2020-10-20 01:44:01,832 INFO L270 CegarLoopResult]: At program point L176(lines 175 194) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-10-20 01:44:01,832 INFO L274 CegarLoopResult]: For program point L176-1(lines 176 182) no Hoare annotation was computed. [2020-10-20 01:44:01,832 INFO L270 CegarLoopResult]: At program point L176-2(lines 175 194) the Hoare annotation is: false [2020-10-20 01:44:01,832 INFO L270 CegarLoopResult]: At program point L176-3(lines 175 194) the Hoare annotation is: false [2020-10-20 01:44:01,832 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:01,833 INFO L277 CegarLoopResult]: At program point L872(lines 853 875) the Hoare annotation is: true [2020-10-20 01:44:01,833 INFO L274 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-10-20 01:44:01,833 INFO L274 CegarLoopResult]: For program point L707-3(lines 707 711) no Hoare annotation was computed. [2020-10-20 01:44:01,833 INFO L274 CegarLoopResult]: For program point L707-6(lines 707 711) no Hoare annotation was computed. [2020-10-20 01:44:01,833 INFO L274 CegarLoopResult]: For program point L889(lines 889 895) no Hoare annotation was computed. [2020-10-20 01:44:01,833 INFO L274 CegarLoopResult]: For program point L889-2(lines 889 895) no Hoare annotation was computed. [2020-10-20 01:44:01,833 INFO L270 CegarLoopResult]: At program point L278(lines 273 281) the Hoare annotation is: false [2020-10-20 01:44:01,834 INFO L270 CegarLoopResult]: At program point L278-1(lines 273 281) the Hoare annotation is: false [2020-10-20 01:44:01,834 INFO L274 CegarLoopResult]: For program point L889-4(lines 889 895) no Hoare annotation was computed. [2020-10-20 01:44:01,834 INFO L274 CegarLoopResult]: For program point L212(lines 212 220) no Hoare annotation was computed. [2020-10-20 01:44:01,834 INFO L270 CegarLoopResult]: At program point L278-2(lines 273 281) the Hoare annotation is: false [2020-10-20 01:44:01,834 INFO L274 CegarLoopResult]: For program point L212-1(lines 212 220) no Hoare annotation was computed. [2020-10-20 01:44:01,834 INFO L274 CegarLoopResult]: For program point L212-2(lines 212 220) no Hoare annotation was computed. [2020-10-20 01:44:01,834 INFO L270 CegarLoopResult]: At program point L840(lines 836 842) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:01,835 INFO L274 CegarLoopResult]: For program point L114(lines 114 120) no Hoare annotation was computed. [2020-10-20 01:44:01,835 INFO L270 CegarLoopResult]: At program point L114-1(lines 114 120) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse3 (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse4) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) .cse0 .cse1 .cse4))) [2020-10-20 01:44:01,835 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:01,835 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:01,835 INFO L270 CegarLoopResult]: At program point L792-2(lines 792 806) the Hoare annotation is: false [2020-10-20 01:44:01,835 INFO L270 CegarLoopResult]: At program point L776(lines 771 779) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2020-10-20 01:44:01,836 INFO L270 CegarLoopResult]: At program point L776-1(lines 771 779) the Hoare annotation is: false [2020-10-20 01:44:01,836 INFO L270 CegarLoopResult]: At program point L776-2(lines 771 779) the Hoare annotation is: false [2020-10-20 01:44:01,836 INFO L274 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-10-20 01:44:01,836 INFO L270 CegarLoopResult]: At program point L744(lines 739 747) the Hoare annotation is: false [2020-10-20 01:44:01,836 INFO L270 CegarLoopResult]: At program point L744-1(lines 739 747) the Hoare annotation is: false [2020-10-20 01:44:01,836 INFO L270 CegarLoopResult]: At program point L744-2(lines 739 747) the Hoare annotation is: false [2020-10-20 01:44:01,837 INFO L270 CegarLoopResult]: At program point L67(lines 1 901) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:01,837 INFO L270 CegarLoopResult]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-10-20 01:44:01,837 INFO L270 CegarLoopResult]: At program point L183-1(lines 183 189) the Hoare annotation is: false [2020-10-20 01:44:01,838 INFO L270 CegarLoopResult]: At program point L183-2(lines 183 189) the Hoare annotation is: false [2020-10-20 01:44:01,838 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-20 01:44:01,838 INFO L274 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2020-10-20 01:44:01,838 INFO L274 CegarLoopResult]: For program point L84-2(line 84) no Hoare annotation was computed. [2020-10-20 01:44:01,840 INFO L274 CegarLoopResult]: For program point L134(lines 134 147) no Hoare annotation was computed. [2020-10-20 01:44:01,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:01 BoogieIcfgContainer [2020-10-20 01:44:01,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:01,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:01,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:01,892 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:01,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:58" (3/4) ... [2020-10-20 01:44:01,901 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:01,927 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:01,929 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:01,929 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:01,930 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:01,930 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:01,931 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:01,931 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:01,970 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 [2020-10-20 01:44:01,971 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == waterLevel && \result == systemActive) && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 [2020-10-20 01:44:01,971 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && tmp == waterLevel) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((!(\result == 0) && 2 <= waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:01,972 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == waterLevel && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:44:01,973 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == waterLevel && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:44:01,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:44:01,975 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:44:01,976 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:44:01,976 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:44:01,978 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:44:02,081 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:02,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:02,085 INFO L168 Benchmark]: Toolchain (without parser) took 5312.78 ms. Allocated memory was 34.6 MB in the beginning and 67.1 MB in the end (delta: 32.5 MB). Free memory was 10.8 MB in the beginning and 9.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:02,085 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 33.0 MB. Free memory was 18.0 MB in the beginning and 17.9 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:02,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.25 ms. Allocated memory was 34.6 MB in the beginning and 45.1 MB in the end (delta: 10.5 MB). Free memory was 9.9 MB in the beginning and 21.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:02,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.26 ms. Allocated memory is still 45.1 MB. Free memory was 21.8 MB in the beginning and 18.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:02,087 INFO L168 Benchmark]: Boogie Preprocessor took 38.59 ms. Allocated memory is still 45.1 MB. Free memory was 18.6 MB in the beginning and 16.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:02,088 INFO L168 Benchmark]: RCFGBuilder took 880.49 ms. Allocated memory was 45.1 MB in the beginning and 47.2 MB in the end (delta: 2.1 MB). Free memory was 16.2 MB in the beginning and 12.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:02,088 INFO L168 Benchmark]: TraceAbstraction took 3395.10 ms. Allocated memory was 47.2 MB in the beginning and 67.1 MB in the end (delta: 19.9 MB). Free memory was 11.8 MB in the beginning and 18.1 MB in the end (delta: -6.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:02,089 INFO L168 Benchmark]: Witness Printer took 190.25 ms. Allocated memory is still 67.1 MB. Free memory was 18.1 MB in the beginning and 9.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:02,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 33.0 MB. Free memory was 18.0 MB in the beginning and 17.9 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 711.25 ms. Allocated memory was 34.6 MB in the beginning and 45.1 MB in the end (delta: 10.5 MB). Free memory was 9.9 MB in the beginning and 21.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 86.26 ms. Allocated memory is still 45.1 MB. Free memory was 21.8 MB in the beginning and 18.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 38.59 ms. Allocated memory is still 45.1 MB. Free memory was 18.6 MB in the beginning and 16.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 880.49 ms. Allocated memory was 45.1 MB in the beginning and 47.2 MB in the end (delta: 2.1 MB). Free memory was 16.2 MB in the beginning and 12.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3395.10 ms. Allocated memory was 47.2 MB in the beginning and 67.1 MB in the end (delta: 19.9 MB). Free memory was 11.8 MB in the beginning and 18.1 MB in the end (delta: -6.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 14.3 GB. * Witness Printer took 190.25 ms. Allocated memory is still 67.1 MB. Free memory was 18.1 MB in the beginning and 9.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 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: 124]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == waterLevel && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && tmp == waterLevel) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((!(\result == 0) && 2 <= waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == waterLevel && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: (((tmp == waterLevel && \result == systemActive) && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 336 SDtfs, 580 SDslu, 605 SDs, 0 SdLazy, 106 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 172 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 64 NumberOfFragments, 376 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1373 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 128 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 11358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 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...