./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product63.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_product63.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 4934f434020ea5812d4fa6d4f597788b669b23a9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:44:29,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:44:29,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:44:29,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:44:29,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:44:29,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:44:29,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:44:29,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:44:29,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:44:29,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:44:29,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:44:29,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:44:29,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:44:29,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:44:29,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:44:29,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:44:29,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:44:29,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:44:29,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:44:29,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:44:29,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:44:29,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:44:29,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:44:29,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:44:29,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:44:29,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:44:29,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:44:29,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:44:29,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:44:29,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:44:29,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:44:29,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:44:29,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:44:29,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:44:29,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:44:29,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:44:29,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:44:29,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:44:29,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:44:29,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:44:29,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:44:29,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:44:29,690 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:44:29,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:44:29,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:44:29,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:44:29,693 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:44:29,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:44:29,693 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:44:29,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:44:29,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:44:29,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:44:29,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:44:29,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:44:29,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:44:29,696 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:44:29,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:44:29,697 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:44:29,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:44:29,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:44:29,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:44:29,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:44:29,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:44:29,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:29,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:44:29,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:44:29,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:44:29,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:44:29,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:44:29,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:44:29,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:44:29,700 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 -> 4934f434020ea5812d4fa6d4f597788b669b23a9 [2020-10-20 01:44:29,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:44:29,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:44:29,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:44:29,937 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:44:29,937 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:44:29,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2020-10-20 01:44:29,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8494010f5/e6dd00be486e499487ec079bb43bafb5/FLAG7717ddd35 [2020-10-20 01:44:30,579 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:44:30,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2020-10-20 01:44:30,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8494010f5/e6dd00be486e499487ec079bb43bafb5/FLAG7717ddd35 [2020-10-20 01:44:30,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8494010f5/e6dd00be486e499487ec079bb43bafb5 [2020-10-20 01:44:30,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:44:30,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:44:30,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:30,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:44:30,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:44:30,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:30" (1/1) ... [2020-10-20 01:44:30,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d31cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:30, skipping insertion in model container [2020-10-20 01:44:30,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:30" (1/1) ... [2020-10-20 01:44:30,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:44:30,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:44:31,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:31,453 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:44:31,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:31,640 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:44:31,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:31 WrapperNode [2020-10-20 01:44:31,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:31,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:31,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:44:31,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:44:31,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:31" (1/1) ... [2020-10-20 01:44:31,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:31" (1/1) ... [2020-10-20 01:44:31,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:31,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:44:31,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:44:31,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:44:31,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:31" (1/1) ... [2020-10-20 01:44:31,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:31" (1/1) ... [2020-10-20 01:44:31,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:31" (1/1) ... [2020-10-20 01:44:31,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:31" (1/1) ... [2020-10-20 01:44:31,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:31" (1/1) ... [2020-10-20 01:44:31,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:31" (1/1) ... [2020-10-20 01:44:31,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:31" (1/1) ... [2020-10-20 01:44:31,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:44:31,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:44:31,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:44:31,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:44:31,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:31" (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 01:44:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:44:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:44:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:44:31,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:44:33,199 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:44:33,200 INFO L298 CfgBuilder]: Removed 358 assume(true) statements. [2020-10-20 01:44:33,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:33 BoogieIcfgContainer [2020-10-20 01:44:33,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:44:33,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:44:33,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:44:33,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:44:33,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:44:30" (1/3) ... [2020-10-20 01:44:33,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3afb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:33, skipping insertion in model container [2020-10-20 01:44:33,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:31" (2/3) ... [2020-10-20 01:44:33,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3afb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:33, skipping insertion in model container [2020-10-20 01:44:33,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:33" (3/3) ... [2020-10-20 01:44:33,213 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2020-10-20 01:44:33,226 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:44:33,234 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:44:33,249 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:44:33,278 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:44:33,279 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:44:33,279 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:44:33,279 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:44:33,283 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:44:33,283 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:44:33,283 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:44:33,284 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:44:33,308 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states. [2020-10-20 01:44:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:44:33,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:33,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:33,317 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:33,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:33,324 INFO L82 PathProgramCache]: Analyzing trace with hash -955319555, now seen corresponding path program 1 times [2020-10-20 01:44:33,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:33,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023284106] [2020-10-20 01:44:33,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:33,609 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 01:44:33,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023284106] [2020-10-20 01:44:33,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:33,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:33,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158143719] [2020-10-20 01:44:33,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:44:33,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:33,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:44:33,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:33,635 INFO L87 Difference]: Start difference. First operand 230 states. Second operand 2 states. [2020-10-20 01:44:33,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:33,687 INFO L93 Difference]: Finished difference Result 451 states and 674 transitions. [2020-10-20 01:44:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:44:33,689 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:44:33,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:33,705 INFO L225 Difference]: With dead ends: 451 [2020-10-20 01:44:33,705 INFO L226 Difference]: Without dead ends: 223 [2020-10-20 01:44:33,713 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 01:44:33,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-10-20 01:44:33,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-10-20 01:44:33,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-20 01:44:33,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2020-10-20 01:44:33,771 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2020-10-20 01:44:33,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:33,772 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2020-10-20 01:44:33,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:44:33,772 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2020-10-20 01:44:33,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:44:33,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:33,774 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 01:44:33,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:44:33,774 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:33,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:33,775 INFO L82 PathProgramCache]: Analyzing trace with hash -2002076452, now seen corresponding path program 1 times [2020-10-20 01:44:33,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:33,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987553406] [2020-10-20 01:44:33,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:33,884 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 01:44:33,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987553406] [2020-10-20 01:44:33,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:33,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:33,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397975165] [2020-10-20 01:44:33,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:33,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:33,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:33,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:33,888 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand 3 states. [2020-10-20 01:44:33,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:33,910 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2020-10-20 01:44:33,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:33,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:44:33,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:33,915 INFO L225 Difference]: With dead ends: 223 [2020-10-20 01:44:33,916 INFO L226 Difference]: Without dead ends: 85 [2020-10-20 01:44:33,918 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 01:44:33,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-20 01:44:33,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-10-20 01:44:33,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-20 01:44:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2020-10-20 01:44:33,951 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 17 [2020-10-20 01:44:33,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:33,952 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2020-10-20 01:44:33,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:33,952 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2020-10-20 01:44:33,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:44:33,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:33,956 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 01:44:33,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:44:33,957 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:33,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:33,960 INFO L82 PathProgramCache]: Analyzing trace with hash 614961122, now seen corresponding path program 1 times [2020-10-20 01:44:33,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:33,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815057697] [2020-10-20 01:44:33,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:34,089 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 01:44:34,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815057697] [2020-10-20 01:44:34,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:34,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:34,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124221613] [2020-10-20 01:44:34,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:34,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:34,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:34,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:34,092 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand 6 states. [2020-10-20 01:44:34,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:34,324 INFO L93 Difference]: Finished difference Result 266 states and 394 transitions. [2020-10-20 01:44:34,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:34,325 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-20 01:44:34,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:34,327 INFO L225 Difference]: With dead ends: 266 [2020-10-20 01:44:34,328 INFO L226 Difference]: Without dead ends: 187 [2020-10-20 01:44:34,329 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 01:44:34,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-20 01:44:34,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 104. [2020-10-20 01:44:34,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-20 01:44:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 153 transitions. [2020-10-20 01:44:34,359 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 153 transitions. Word has length 22 [2020-10-20 01:44:34,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:34,366 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 153 transitions. [2020-10-20 01:44:34,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:34,367 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2020-10-20 01:44:34,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:44:34,369 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:34,370 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, 1] [2020-10-20 01:44:34,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:44:34,370 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:34,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:34,371 INFO L82 PathProgramCache]: Analyzing trace with hash -95779936, now seen corresponding path program 1 times [2020-10-20 01:44:34,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:34,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90756791] [2020-10-20 01:44:34,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:34,468 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 01:44:34,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90756791] [2020-10-20 01:44:34,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:34,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:34,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263106508] [2020-10-20 01:44:34,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:34,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:34,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:34,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:34,471 INFO L87 Difference]: Start difference. First operand 104 states and 153 transitions. Second operand 3 states. [2020-10-20 01:44:34,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:34,530 INFO L93 Difference]: Finished difference Result 208 states and 308 transitions. [2020-10-20 01:44:34,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:34,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-20 01:44:34,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:34,532 INFO L225 Difference]: With dead ends: 208 [2020-10-20 01:44:34,532 INFO L226 Difference]: Without dead ends: 110 [2020-10-20 01:44:34,533 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 01:44:34,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-20 01:44:34,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2020-10-20 01:44:34,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-20 01:44:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2020-10-20 01:44:34,545 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 25 [2020-10-20 01:44:34,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:34,545 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2020-10-20 01:44:34,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:34,546 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2020-10-20 01:44:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:44:34,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:34,547 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, 1] [2020-10-20 01:44:34,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:34,547 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:34,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:34,548 INFO L82 PathProgramCache]: Analyzing trace with hash -562945097, now seen corresponding path program 1 times [2020-10-20 01:44:34,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:34,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112167437] [2020-10-20 01:44:34,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:34,684 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 01:44:34,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112167437] [2020-10-20 01:44:34,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:34,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 01:44:34,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826328663] [2020-10-20 01:44:34,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:44:34,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:34,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:44:34,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:34,687 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand 8 states. [2020-10-20 01:44:35,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:35,241 INFO L93 Difference]: Finished difference Result 706 states and 1021 transitions. [2020-10-20 01:44:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-20 01:44:35,241 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-10-20 01:44:35,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:35,245 INFO L225 Difference]: With dead ends: 706 [2020-10-20 01:44:35,245 INFO L226 Difference]: Without dead ends: 604 [2020-10-20 01:44:35,246 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 01:44:35,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2020-10-20 01:44:35,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 262. [2020-10-20 01:44:35,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-20 01:44:35,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 365 transitions. [2020-10-20 01:44:35,297 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 365 transitions. Word has length 25 [2020-10-20 01:44:35,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:35,298 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 365 transitions. [2020-10-20 01:44:35,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:44:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 365 transitions. [2020-10-20 01:44:35,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-20 01:44:35,305 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:35,306 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:35,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:35,306 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:35,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:35,307 INFO L82 PathProgramCache]: Analyzing trace with hash 74548374, now seen corresponding path program 1 times [2020-10-20 01:44:35,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:35,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298778970] [2020-10-20 01:44:35,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:35,421 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:35,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298778970] [2020-10-20 01:44:35,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978946193] [2020-10-20 01:44:35,424 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 01:44:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:35,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 01:44:35,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:35,647 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:35,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:44:35,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-10-20 01:44:35,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49403635] [2020-10-20 01:44:35,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:35,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:35,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:35,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:35,650 INFO L87 Difference]: Start difference. First operand 262 states and 365 transitions. Second operand 4 states. [2020-10-20 01:44:35,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:35,828 INFO L93 Difference]: Finished difference Result 587 states and 831 transitions. [2020-10-20 01:44:35,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:35,829 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-10-20 01:44:35,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:35,834 INFO L225 Difference]: With dead ends: 587 [2020-10-20 01:44:35,834 INFO L226 Difference]: Without dead ends: 394 [2020-10-20 01:44:35,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 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 01:44:35,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-20 01:44:35,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 381. [2020-10-20 01:44:35,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-10-20 01:44:35,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 536 transitions. [2020-10-20 01:44:35,866 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 536 transitions. Word has length 40 [2020-10-20 01:44:35,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:35,867 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 536 transitions. [2020-10-20 01:44:35,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:35,867 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 536 transitions. [2020-10-20 01:44:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-20 01:44:35,869 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:35,869 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:36,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-20 01:44:36,085 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:36,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:36,086 INFO L82 PathProgramCache]: Analyzing trace with hash 428363773, now seen corresponding path program 1 times [2020-10-20 01:44:36,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:36,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109454737] [2020-10-20 01:44:36,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:36,143 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:44:36,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109454737] [2020-10-20 01:44:36,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:36,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:36,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001035037] [2020-10-20 01:44:36,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:36,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:36,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:36,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:36,166 INFO L87 Difference]: Start difference. First operand 381 states and 536 transitions. Second operand 5 states. [2020-10-20 01:44:36,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:36,306 INFO L93 Difference]: Finished difference Result 1148 states and 1602 transitions. [2020-10-20 01:44:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:36,306 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-20 01:44:36,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:36,311 INFO L225 Difference]: With dead ends: 1148 [2020-10-20 01:44:36,311 INFO L226 Difference]: Without dead ends: 773 [2020-10-20 01:44:36,312 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 01:44:36,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-10-20 01:44:36,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 411. [2020-10-20 01:44:36,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-10-20 01:44:36,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 566 transitions. [2020-10-20 01:44:36,369 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 566 transitions. Word has length 52 [2020-10-20 01:44:36,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:36,369 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 566 transitions. [2020-10-20 01:44:36,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:36,369 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 566 transitions. [2020-10-20 01:44:36,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-20 01:44:36,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:36,371 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:36,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:44:36,371 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:36,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:36,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1129963647, now seen corresponding path program 1 times [2020-10-20 01:44:36,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:36,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336051733] [2020-10-20 01:44:36,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:44:36,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336051733] [2020-10-20 01:44:36,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:36,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:36,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3991567] [2020-10-20 01:44:36,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:36,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:36,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:36,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:36,428 INFO L87 Difference]: Start difference. First operand 411 states and 566 transitions. Second operand 4 states. [2020-10-20 01:44:36,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:36,665 INFO L93 Difference]: Finished difference Result 930 states and 1285 transitions. [2020-10-20 01:44:36,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:36,665 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-20 01:44:36,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:36,668 INFO L225 Difference]: With dead ends: 930 [2020-10-20 01:44:36,668 INFO L226 Difference]: Without dead ends: 525 [2020-10-20 01:44:36,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:36,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2020-10-20 01:44:36,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 353. [2020-10-20 01:44:36,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-10-20 01:44:36,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 480 transitions. [2020-10-20 01:44:36,700 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 480 transitions. Word has length 52 [2020-10-20 01:44:36,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:36,700 INFO L481 AbstractCegarLoop]: Abstraction has 353 states and 480 transitions. [2020-10-20 01:44:36,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:36,701 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 480 transitions. [2020-10-20 01:44:36,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-20 01:44:36,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:36,702 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:36,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:44:36,702 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:36,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:36,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1565831681, now seen corresponding path program 1 times [2020-10-20 01:44:36,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:36,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197991520] [2020-10-20 01:44:36,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:36,803 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:36,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197991520] [2020-10-20 01:44:36,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:36,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:36,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844330762] [2020-10-20 01:44:36,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:36,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:36,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:36,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:36,809 INFO L87 Difference]: Start difference. First operand 353 states and 480 transitions. Second operand 6 states. [2020-10-20 01:44:37,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:37,122 INFO L93 Difference]: Finished difference Result 1951 states and 2700 transitions. [2020-10-20 01:44:37,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:44:37,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-10-20 01:44:37,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:37,133 INFO L225 Difference]: With dead ends: 1951 [2020-10-20 01:44:37,133 INFO L226 Difference]: Without dead ends: 1604 [2020-10-20 01:44:37,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:44:37,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2020-10-20 01:44:37,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 698. [2020-10-20 01:44:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-10-20 01:44:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 937 transitions. [2020-10-20 01:44:37,212 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 937 transitions. Word has length 53 [2020-10-20 01:44:37,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:37,214 INFO L481 AbstractCegarLoop]: Abstraction has 698 states and 937 transitions. [2020-10-20 01:44:37,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:37,215 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 937 transitions. [2020-10-20 01:44:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-20 01:44:37,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:37,219 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:37,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:44:37,221 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:37,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:37,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1652978953, now seen corresponding path program 1 times [2020-10-20 01:44:37,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:37,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800027947] [2020-10-20 01:44:37,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:37,313 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:37,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800027947] [2020-10-20 01:44:37,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:37,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:37,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694541020] [2020-10-20 01:44:37,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:37,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:37,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:37,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:37,321 INFO L87 Difference]: Start difference. First operand 698 states and 937 transitions. Second operand 5 states. [2020-10-20 01:44:37,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:37,628 INFO L93 Difference]: Finished difference Result 1896 states and 2544 transitions. [2020-10-20 01:44:37,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:37,629 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-10-20 01:44:37,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:37,639 INFO L225 Difference]: With dead ends: 1896 [2020-10-20 01:44:37,639 INFO L226 Difference]: Without dead ends: 1894 [2020-10-20 01:44:37,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:44:37,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2020-10-20 01:44:37,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 698. [2020-10-20 01:44:37,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-10-20 01:44:37,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 927 transitions. [2020-10-20 01:44:37,728 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 927 transitions. Word has length 54 [2020-10-20 01:44:37,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:37,728 INFO L481 AbstractCegarLoop]: Abstraction has 698 states and 927 transitions. [2020-10-20 01:44:37,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:37,729 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 927 transitions. [2020-10-20 01:44:37,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-20 01:44:37,730 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:37,730 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:37,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:44:37,731 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:37,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:37,731 INFO L82 PathProgramCache]: Analyzing trace with hash 247192580, now seen corresponding path program 1 times [2020-10-20 01:44:37,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:37,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575339310] [2020-10-20 01:44:37,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:37,812 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:37,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575339310] [2020-10-20 01:44:37,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115120203] [2020-10-20 01:44:37,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:44:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:37,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 01:44:37,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:37,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:44:37,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-20 01:44:37,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665818154] [2020-10-20 01:44:37,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:37,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:37,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:37,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:37,976 INFO L87 Difference]: Start difference. First operand 698 states and 927 transitions. Second operand 6 states. [2020-10-20 01:44:38,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:38,331 INFO L93 Difference]: Finished difference Result 1610 states and 2133 transitions. [2020-10-20 01:44:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:38,331 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-10-20 01:44:38,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:38,336 INFO L225 Difference]: With dead ends: 1610 [2020-10-20 01:44:38,336 INFO L226 Difference]: Without dead ends: 1004 [2020-10-20 01:44:38,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:44:38,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2020-10-20 01:44:38,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 622. [2020-10-20 01:44:38,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-20 01:44:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 814 transitions. [2020-10-20 01:44:38,394 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 814 transitions. Word has length 60 [2020-10-20 01:44:38,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:38,394 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 814 transitions. [2020-10-20 01:44:38,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 814 transitions. [2020-10-20 01:44:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-20 01:44:38,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:38,396 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:38,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:44:38,612 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:38,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:38,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1588066973, now seen corresponding path program 2 times [2020-10-20 01:44:38,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:38,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836147533] [2020-10-20 01:44:38,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:38,778 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:38,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836147533] [2020-10-20 01:44:38,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:38,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:38,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967096167] [2020-10-20 01:44:38,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:38,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:38,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:38,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:38,780 INFO L87 Difference]: Start difference. First operand 622 states and 814 transitions. Second operand 5 states. [2020-10-20 01:44:39,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:39,359 INFO L93 Difference]: Finished difference Result 1926 states and 2547 transitions. [2020-10-20 01:44:39,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:44:39,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-10-20 01:44:39,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:39,366 INFO L225 Difference]: With dead ends: 1926 [2020-10-20 01:44:39,366 INFO L226 Difference]: Without dead ends: 1394 [2020-10-20 01:44:39,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:39,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-10-20 01:44:39,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 854. [2020-10-20 01:44:39,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2020-10-20 01:44:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1113 transitions. [2020-10-20 01:44:39,484 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1113 transitions. Word has length 85 [2020-10-20 01:44:39,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:39,484 INFO L481 AbstractCegarLoop]: Abstraction has 854 states and 1113 transitions. [2020-10-20 01:44:39,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:39,485 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1113 transitions. [2020-10-20 01:44:39,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-20 01:44:39,486 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:39,487 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:39,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:44:39,487 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:39,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:39,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1982433759, now seen corresponding path program 1 times [2020-10-20 01:44:39,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:39,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774164806] [2020-10-20 01:44:39,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-20 01:44:39,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774164806] [2020-10-20 01:44:39,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:39,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 01:44:39,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139055956] [2020-10-20 01:44:39,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:44:39,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:39,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:44:39,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:44:39,608 INFO L87 Difference]: Start difference. First operand 854 states and 1113 transitions. Second operand 7 states. [2020-10-20 01:44:39,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:39,849 INFO L93 Difference]: Finished difference Result 1780 states and 2314 transitions. [2020-10-20 01:44:39,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:44:39,849 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2020-10-20 01:44:39,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:39,852 INFO L225 Difference]: With dead ends: 1780 [2020-10-20 01:44:39,852 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:39,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:44:39,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:39,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:39,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:39,858 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-10-20 01:44:39,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:39,859 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:39,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:44:39,859 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:39,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:39,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-20 01:44:39,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:40,267 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 154 [2020-10-20 01:44:40,490 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 143 [2020-10-20 01:44:41,333 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 295 [2020-10-20 01:44:41,989 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 273 [2020-10-20 01:44:42,149 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 173 [2020-10-20 01:44:42,645 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 266 [2020-10-20 01:44:42,934 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 206 [2020-10-20 01:44:43,495 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 276 [2020-10-20 01:44:43,771 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 261 [2020-10-20 01:44:44,201 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 277 [2020-10-20 01:44:44,404 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 21 [2020-10-20 01:44:44,672 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 20 [2020-10-20 01:44:45,277 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 21 [2020-10-20 01:44:45,561 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 26 [2020-10-20 01:44:45,684 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 16 [2020-10-20 01:44:46,326 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 28 [2020-10-20 01:44:48,321 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 278 DAG size of output: 34 [2020-10-20 01:44:49,868 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 264 DAG size of output: 27 [2020-10-20 01:44:50,685 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 32 [2020-10-20 01:44:52,365 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 254 DAG size of output: 27 [2020-10-20 01:44:53,215 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 24 [2020-10-20 01:44:53,670 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2020-10-20 01:44:55,490 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 266 DAG size of output: 27 [2020-10-20 01:44:55,651 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2020-10-20 01:44:55,864 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-10-20 01:44:57,262 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 254 DAG size of output: 35 [2020-10-20 01:44:57,470 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 20 [2020-10-20 01:44:59,107 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 266 DAG size of output: 36 [2020-10-20 01:44:59,256 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 21 [2020-10-20 01:44:59,379 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 16 [2020-10-20 01:44:59,388 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:59,388 INFO L274 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-10-20 01:44:59,388 INFO L277 CegarLoopResult]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2020-10-20 01:44:59,388 INFO L274 CegarLoopResult]: For program point L962(lines 961 1008) no Hoare annotation was computed. [2020-10-20 01:44:59,388 INFO L274 CegarLoopResult]: For program point L963(lines 963 967) no Hoare annotation was computed. [2020-10-20 01:44:59,389 INFO L274 CegarLoopResult]: For program point L765(lines 765 773) no Hoare annotation was computed. [2020-10-20 01:44:59,389 INFO L274 CegarLoopResult]: For program point L765-1(lines 765 773) no Hoare annotation was computed. [2020-10-20 01:44:59,389 INFO L274 CegarLoopResult]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2020-10-20 01:44:59,389 INFO L274 CegarLoopResult]: For program point L765-3(lines 765 773) no Hoare annotation was computed. [2020-10-20 01:44:59,390 INFO L274 CegarLoopResult]: For program point L765-4(lines 765 773) no Hoare annotation was computed. [2020-10-20 01:44:59,390 INFO L274 CegarLoopResult]: For program point L765-5(lines 765 773) no Hoare annotation was computed. [2020-10-20 01:44:59,390 INFO L270 CegarLoopResult]: At program point L703(lines 702 721) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_main_~tmp~3 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse2) (and .cse3 (not (= 0 ~systemActive~0)) .cse1 (<= 1 ~waterLevel~0) .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-10-20 01:44:59,390 INFO L274 CegarLoopResult]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2020-10-20 01:44:59,390 INFO L270 CegarLoopResult]: At program point L703-2(lines 702 721) the Hoare annotation is: false [2020-10-20 01:44:59,391 INFO L270 CegarLoopResult]: At program point L703-3(lines 702 721) the Hoare annotation is: false [2020-10-20 01:44:59,391 INFO L277 CegarLoopResult]: At program point L507(lines 488 510) the Hoare annotation is: true [2020-10-20 01:44:59,391 INFO L274 CegarLoopResult]: For program point L971(lines 971 977) no Hoare annotation was computed. [2020-10-20 01:44:59,391 INFO L270 CegarLoopResult]: At program point L971-1(lines 971 977) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~methaneLevelCritical~0 0) .cse1 .cse5 .cse3 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse4) (and .cse0 .cse5 .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4))) [2020-10-20 01:44:59,391 INFO L274 CegarLoopResult]: For program point L906(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,391 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,391 INFO L274 CegarLoopResult]: For program point L906-3(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,391 INFO L274 CegarLoopResult]: For program point L906-5(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,392 INFO L274 CegarLoopResult]: For program point L906-6(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,392 INFO L274 CegarLoopResult]: For program point L906-8(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,392 INFO L274 CegarLoopResult]: For program point L906-9(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,392 INFO L274 CegarLoopResult]: For program point L906-11(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,392 INFO L274 CegarLoopResult]: For program point L906-12(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,392 INFO L274 CegarLoopResult]: For program point L906-14(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,392 INFO L274 CegarLoopResult]: For program point L906-15(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,392 INFO L274 CegarLoopResult]: For program point L906-17(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,392 INFO L274 CegarLoopResult]: For program point L906-18(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,392 INFO L274 CegarLoopResult]: For program point L906-20(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,393 INFO L274 CegarLoopResult]: For program point L906-21(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,393 INFO L274 CegarLoopResult]: For program point L906-23(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,393 INFO L274 CegarLoopResult]: For program point L906-24(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,393 INFO L274 CegarLoopResult]: For program point L906-26(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,393 INFO L274 CegarLoopResult]: For program point L906-27(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,393 INFO L274 CegarLoopResult]: For program point L906-29(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,393 INFO L274 CegarLoopResult]: For program point L906-30(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,393 INFO L274 CegarLoopResult]: For program point L906-32(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,393 INFO L274 CegarLoopResult]: For program point L906-33(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,394 INFO L274 CegarLoopResult]: For program point L906-35(lines 906 910) no Hoare annotation was computed. [2020-10-20 01:44:59,394 INFO L270 CegarLoopResult]: At program point L710(lines 710 716) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse4 .cse2 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3))) [2020-10-20 01:44:59,394 INFO L270 CegarLoopResult]: At program point L710-1(lines 710 716) the Hoare annotation is: false [2020-10-20 01:44:59,394 INFO L270 CegarLoopResult]: At program point L710-2(lines 710 716) the Hoare annotation is: false [2020-10-20 01:44:59,394 INFO L270 CegarLoopResult]: At program point L912(lines 897 915) the Hoare annotation is: false [2020-10-20 01:44:59,394 INFO L270 CegarLoopResult]: At program point L912-1(lines 897 915) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 1) .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse5))) [2020-10-20 01:44:59,394 INFO L270 CegarLoopResult]: At program point L912-2(lines 897 915) the Hoare annotation is: false [2020-10-20 01:44:59,395 INFO L270 CegarLoopResult]: At program point L912-3(lines 897 915) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 1) .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4))) [2020-10-20 01:44:59,395 INFO L270 CegarLoopResult]: At program point L912-4(lines 897 915) the Hoare annotation is: false [2020-10-20 01:44:59,395 INFO L270 CegarLoopResult]: At program point L912-5(lines 897 915) the Hoare annotation is: false [2020-10-20 01:44:59,395 INFO L270 CegarLoopResult]: At program point L912-6(lines 897 915) the Hoare annotation is: false [2020-10-20 01:44:59,395 INFO L270 CegarLoopResult]: At program point L912-7(lines 897 915) the Hoare annotation is: false [2020-10-20 01:44:59,395 INFO L270 CegarLoopResult]: At program point L912-8(lines 897 915) the Hoare annotation is: false [2020-10-20 01:44:59,395 INFO L270 CegarLoopResult]: At program point L912-9(lines 897 915) the Hoare annotation is: false [2020-10-20 01:44:59,395 INFO L270 CegarLoopResult]: At program point L912-10(lines 897 915) the Hoare annotation is: false [2020-10-20 01:44:59,395 INFO L270 CegarLoopResult]: At program point L912-11(lines 897 915) the Hoare annotation is: false [2020-10-20 01:44:59,396 INFO L270 CegarLoopResult]: At program point L848(lines 841 851) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:59,396 INFO L270 CegarLoopResult]: At program point L848-1(lines 841 851) the Hoare annotation is: false [2020-10-20 01:44:59,396 INFO L270 CegarLoopResult]: At program point L848-2(lines 841 851) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ULTIMATE.start_processEnvironment_~tmp~7 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:59,396 INFO L270 CegarLoopResult]: At program point L848-3(lines 841 851) the Hoare annotation is: false [2020-10-20 01:44:59,396 INFO L270 CegarLoopResult]: At program point L848-4(lines 841 851) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:59,396 INFO L270 CegarLoopResult]: At program point L848-5(lines 841 851) the Hoare annotation is: false [2020-10-20 01:44:59,396 INFO L270 CegarLoopResult]: At program point L848-6(lines 841 851) the Hoare annotation is: false [2020-10-20 01:44:59,396 INFO L270 CegarLoopResult]: At program point L848-7(lines 841 851) the Hoare annotation is: false [2020-10-20 01:44:59,397 INFO L270 CegarLoopResult]: At program point L848-8(lines 841 851) the Hoare annotation is: false [2020-10-20 01:44:59,397 INFO L270 CegarLoopResult]: At program point L848-9(lines 841 851) the Hoare annotation is: false [2020-10-20 01:44:59,397 INFO L270 CegarLoopResult]: At program point L848-10(lines 841 851) the Hoare annotation is: false [2020-10-20 01:44:59,397 INFO L270 CegarLoopResult]: At program point L848-11(lines 841 851) the Hoare annotation is: false [2020-10-20 01:44:59,397 INFO L270 CegarLoopResult]: At program point L848-12(lines 841 851) the Hoare annotation is: false [2020-10-20 01:44:59,397 INFO L270 CegarLoopResult]: At program point L848-13(lines 841 851) the Hoare annotation is: false [2020-10-20 01:44:59,397 INFO L270 CegarLoopResult]: At program point L848-14(lines 841 851) the Hoare annotation is: false [2020-10-20 01:44:59,397 INFO L274 CegarLoopResult]: For program point L981(lines 981 987) no Hoare annotation was computed. [2020-10-20 01:44:59,397 INFO L270 CegarLoopResult]: At program point L981-1(lines 981 987) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse4 (= ULTIMATE.start_main_~tmp~3 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse3) (and .cse4 .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse3) (and .cse4 .cse5 .cse1 .cse2 .cse3))) [2020-10-20 01:44:59,398 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:59,398 INFO L274 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2020-10-20 01:44:59,398 INFO L274 CegarLoopResult]: For program point L587-3(lines 587 591) no Hoare annotation was computed. [2020-10-20 01:44:59,398 INFO L274 CegarLoopResult]: For program point L587-6(lines 587 591) no Hoare annotation was computed. [2020-10-20 01:44:59,398 INFO L274 CegarLoopResult]: For program point L787(lines 787 804) no Hoare annotation was computed. [2020-10-20 01:44:59,398 INFO L274 CegarLoopResult]: For program point L787-1(lines 787 804) no Hoare annotation was computed. [2020-10-20 01:44:59,398 INFO L274 CegarLoopResult]: For program point L787-2(lines 787 804) no Hoare annotation was computed. [2020-10-20 01:44:59,398 INFO L270 CegarLoopResult]: At program point L656(lines 651 659) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-10-20 01:44:59,398 INFO L270 CegarLoopResult]: At program point L656-1(lines 651 659) the Hoare annotation is: false [2020-10-20 01:44:59,398 INFO L270 CegarLoopResult]: At program point L656-2(lines 651 659) the Hoare annotation is: false [2020-10-20 01:44:59,399 INFO L270 CegarLoopResult]: At program point L857(lines 852 860) the Hoare annotation is: false [2020-10-20 01:44:59,399 INFO L270 CegarLoopResult]: At program point L857-1(lines 852 860) the Hoare annotation is: false [2020-10-20 01:44:59,399 INFO L274 CegarLoopResult]: For program point L791(lines 791 799) no Hoare annotation was computed. [2020-10-20 01:44:59,399 INFO L270 CegarLoopResult]: At program point L857-2(lines 852 860) the Hoare annotation is: false [2020-10-20 01:44:59,399 INFO L274 CegarLoopResult]: For program point L791-1(lines 791 799) no Hoare annotation was computed. [2020-10-20 01:44:59,399 INFO L274 CegarLoopResult]: For program point L791-2(lines 791 799) no Hoare annotation was computed. [2020-10-20 01:44:59,399 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:59,399 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:59,399 INFO L274 CegarLoopResult]: For program point L991(lines 991 1004) no Hoare annotation was computed. [2020-10-20 01:44:59,400 INFO L274 CegarLoopResult]: For program point L925(lines 925 929) no Hoare annotation was computed. [2020-10-20 01:44:59,400 INFO L274 CegarLoopResult]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2020-10-20 01:44:59,400 INFO L274 CegarLoopResult]: For program point L925-3(lines 925 929) no Hoare annotation was computed. [2020-10-20 01:44:59,400 INFO L274 CegarLoopResult]: For program point L925-5(lines 925 929) no Hoare annotation was computed. [2020-10-20 01:44:59,400 INFO L274 CegarLoopResult]: For program point L925-6(lines 925 929) no Hoare annotation was computed. [2020-10-20 01:44:59,400 INFO L274 CegarLoopResult]: For program point L925-8(lines 925 929) no Hoare annotation was computed. [2020-10-20 01:44:59,400 INFO L274 CegarLoopResult]: For program point L925-9(lines 925 929) no Hoare annotation was computed. [2020-10-20 01:44:59,400 INFO L274 CegarLoopResult]: For program point L925-11(lines 925 929) no Hoare annotation was computed. [2020-10-20 01:44:59,400 INFO L274 CegarLoopResult]: For program point L925-12(lines 925 929) no Hoare annotation was computed. [2020-10-20 01:44:59,400 INFO L274 CegarLoopResult]: For program point L925-14(lines 925 929) no Hoare annotation was computed. [2020-10-20 01:44:59,400 INFO L274 CegarLoopResult]: For program point L925-15(lines 925 929) no Hoare annotation was computed. [2020-10-20 01:44:59,401 INFO L274 CegarLoopResult]: For program point L925-17(lines 925 929) no Hoare annotation was computed. [2020-10-20 01:44:59,401 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:59,401 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:59,401 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:59,401 INFO L274 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2020-10-20 01:44:59,401 INFO L274 CegarLoopResult]: For program point L664-1(lines 664 670) no Hoare annotation was computed. [2020-10-20 01:44:59,401 INFO L274 CegarLoopResult]: For program point L664-2(lines 664 670) no Hoare annotation was computed. [2020-10-20 01:44:59,401 INFO L274 CegarLoopResult]: For program point L664-3(lines 664 670) no Hoare annotation was computed. [2020-10-20 01:44:59,401 INFO L274 CegarLoopResult]: For program point L664-4(lines 664 670) no Hoare annotation was computed. [2020-10-20 01:44:59,401 INFO L274 CegarLoopResult]: For program point L664-5(lines 664 670) no Hoare annotation was computed. [2020-10-20 01:44:59,402 INFO L274 CegarLoopResult]: For program point L664-6(lines 664 670) no Hoare annotation was computed. [2020-10-20 01:44:59,402 INFO L274 CegarLoopResult]: For program point L664-7(lines 664 670) no Hoare annotation was computed. [2020-10-20 01:44:59,402 INFO L274 CegarLoopResult]: For program point L664-8(lines 664 670) no Hoare annotation was computed. [2020-10-20 01:44:59,402 INFO L274 CegarLoopResult]: For program point L664-9(lines 664 670) no Hoare annotation was computed. [2020-10-20 01:44:59,402 INFO L274 CegarLoopResult]: For program point L664-10(lines 664 670) no Hoare annotation was computed. [2020-10-20 01:44:59,402 INFO L274 CegarLoopResult]: For program point L664-11(lines 664 670) no Hoare annotation was computed. [2020-10-20 01:44:59,402 INFO L274 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-10-20 01:44:59,402 INFO L270 CegarLoopResult]: At program point L534(lines 1 1016) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:59,402 INFO L274 CegarLoopResult]: For program point L997(lines 997 1003) no Hoare annotation was computed. [2020-10-20 01:44:59,402 INFO L270 CegarLoopResult]: At program point L997-1(lines 703 709) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse4 .cse2 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3))) [2020-10-20 01:44:59,403 INFO L270 CegarLoopResult]: At program point L931(lines 916 934) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 0) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_processEnvironment_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:59,403 INFO L270 CegarLoopResult]: At program point L931-1(lines 916 934) the Hoare annotation is: false [2020-10-20 01:44:59,403 INFO L270 CegarLoopResult]: At program point L931-2(lines 916 934) the Hoare annotation is: false [2020-10-20 01:44:59,403 INFO L270 CegarLoopResult]: At program point L931-3(lines 916 934) the Hoare annotation is: false [2020-10-20 01:44:59,403 INFO L270 CegarLoopResult]: At program point L931-4(lines 916 934) the Hoare annotation is: false [2020-10-20 01:44:59,403 INFO L270 CegarLoopResult]: At program point L931-5(lines 916 934) the Hoare annotation is: false [2020-10-20 01:44:59,403 INFO L274 CegarLoopResult]: For program point L735(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:59,403 INFO L274 CegarLoopResult]: For program point L735-1(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:59,403 INFO L270 CegarLoopResult]: At program point L669(lines 660 673) the Hoare annotation is: false [2020-10-20 01:44:59,404 INFO L274 CegarLoopResult]: For program point L735-2(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:59,404 INFO L270 CegarLoopResult]: At program point L669-1(lines 660 673) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse5))) [2020-10-20 01:44:59,404 INFO L274 CegarLoopResult]: For program point L735-3(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:59,404 INFO L270 CegarLoopResult]: At program point L669-2(lines 660 673) the Hoare annotation is: false [2020-10-20 01:44:59,404 INFO L274 CegarLoopResult]: For program point L735-4(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:59,404 INFO L270 CegarLoopResult]: At program point L669-3(lines 660 673) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~3 1) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3))) [2020-10-20 01:44:59,404 INFO L274 CegarLoopResult]: For program point L735-5(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:59,404 INFO L270 CegarLoopResult]: At program point L669-4(lines 660 673) the Hoare annotation is: false [2020-10-20 01:44:59,404 INFO L274 CegarLoopResult]: For program point L735-6(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:59,405 INFO L270 CegarLoopResult]: At program point L669-5(lines 660 673) the Hoare annotation is: false [2020-10-20 01:44:59,405 INFO L274 CegarLoopResult]: For program point L735-7(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:59,405 INFO L270 CegarLoopResult]: At program point L471(lines 467 473) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:59,405 INFO L270 CegarLoopResult]: At program point L669-6(lines 660 673) the Hoare annotation is: false [2020-10-20 01:44:59,405 INFO L274 CegarLoopResult]: For program point L735-8(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:59,405 INFO L270 CegarLoopResult]: At program point L669-7(lines 660 673) the Hoare annotation is: false [2020-10-20 01:44:59,405 INFO L274 CegarLoopResult]: For program point L735-9(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:59,405 INFO L270 CegarLoopResult]: At program point L669-8(lines 660 673) the Hoare annotation is: false [2020-10-20 01:44:59,405 INFO L274 CegarLoopResult]: For program point L735-10(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:59,406 INFO L270 CegarLoopResult]: At program point L669-9(lines 660 673) the Hoare annotation is: false [2020-10-20 01:44:59,406 INFO L274 CegarLoopResult]: For program point L735-11(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:59,406 INFO L270 CegarLoopResult]: At program point L669-10(lines 660 673) the Hoare annotation is: false [2020-10-20 01:44:59,406 INFO L270 CegarLoopResult]: At program point L669-11(lines 660 673) the Hoare annotation is: false [2020-10-20 01:44:59,406 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:59,406 INFO L274 CegarLoopResult]: For program point L739(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:59,407 INFO L274 CegarLoopResult]: For program point L739-1(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:59,407 INFO L274 CegarLoopResult]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:59,407 INFO L274 CegarLoopResult]: For program point L739-3(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:59,407 INFO L274 CegarLoopResult]: For program point L739-4(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:59,407 INFO L274 CegarLoopResult]: For program point L739-5(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:59,407 INFO L274 CegarLoopResult]: For program point L739-6(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:59,407 INFO L274 CegarLoopResult]: For program point L739-7(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:59,407 INFO L274 CegarLoopResult]: For program point L739-8(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:59,407 INFO L274 CegarLoopResult]: For program point L739-9(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:59,407 INFO L274 CegarLoopResult]: For program point L739-10(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:59,408 INFO L274 CegarLoopResult]: For program point L739-11(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:59,408 INFO L270 CegarLoopResult]: At program point L542(lines 537 545) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:59,408 INFO L274 CegarLoopResult]: For program point L939(lines 939 945) no Hoare annotation was computed. [2020-10-20 01:44:59,408 INFO L270 CegarLoopResult]: At program point L939-1(lines 939 945) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse2) (and (= ULTIMATE.start_main_~tmp~3 1) (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-10-20 01:44:59,408 INFO L274 CegarLoopResult]: For program point L611(lines 611 615) no Hoare annotation was computed. [2020-10-20 01:44:59,408 INFO L270 CegarLoopResult]: At program point L1009(lines 960 1010) the Hoare annotation is: false [2020-10-20 01:44:59,408 INFO L270 CegarLoopResult]: At program point L679(lines 674 682) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_processEnvironment_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:59,408 INFO L270 CegarLoopResult]: At program point L679-1(lines 674 682) the Hoare annotation is: false [2020-10-20 01:44:59,409 INFO L270 CegarLoopResult]: At program point L679-2(lines 674 682) the Hoare annotation is: false [2020-10-20 01:44:59,409 INFO L270 CegarLoopResult]: At program point L679-3(lines 674 682) the Hoare annotation is: false [2020-10-20 01:44:59,409 INFO L270 CegarLoopResult]: At program point L679-4(lines 674 682) the Hoare annotation is: false [2020-10-20 01:44:59,409 INFO L270 CegarLoopResult]: At program point L679-5(lines 674 682) the Hoare annotation is: false [2020-10-20 01:44:59,409 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:59,409 INFO L270 CegarLoopResult]: At program point L420-2(lines 420 434) the Hoare annotation is: false [2020-10-20 01:44:59,409 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-20 01:44:59,409 INFO L274 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-10-20 01:44:59,409 INFO L274 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-10-20 01:44:59,409 INFO L274 CegarLoopResult]: For program point L688-2(line 688) no Hoare annotation was computed. [2020-10-20 01:44:59,410 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-10-20 01:44:59,410 INFO L274 CegarLoopResult]: For program point L424-1(lines 703 709) no Hoare annotation was computed. [2020-10-20 01:44:59,410 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:59,410 INFO L270 CegarLoopResult]: At program point L624(lines 619 627) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:59,410 INFO L270 CegarLoopResult]: At program point L624-1(lines 619 627) the Hoare annotation is: false [2020-10-20 01:44:59,410 INFO L270 CegarLoopResult]: At program point L624-2(lines 619 627) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ULTIMATE.start_processEnvironment_~tmp~7 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:59,410 INFO L274 CegarLoopResult]: For program point L558(lines 558 571) no Hoare annotation was computed. [2020-10-20 01:44:59,410 INFO L270 CegarLoopResult]: At program point L624-3(lines 619 627) the Hoare annotation is: false [2020-10-20 01:44:59,411 INFO L270 CegarLoopResult]: At program point L558-1(lines 1 1016) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~3 1)) (.cse0 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse3) (and .cse4 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse5 .cse6 .cse3) (and .cse4 .cse0 (<= 2 ~waterLevel~0) .cse2 .cse5 .cse6 .cse3))) [2020-10-20 01:44:59,411 INFO L270 CegarLoopResult]: At program point L624-4(lines 619 627) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:59,411 INFO L274 CegarLoopResult]: For program point L558-2(lines 558 571) no Hoare annotation was computed. [2020-10-20 01:44:59,411 INFO L270 CegarLoopResult]: At program point L624-5(lines 619 627) the Hoare annotation is: false [2020-10-20 01:44:59,411 INFO L270 CegarLoopResult]: At program point L558-3(lines 1 1016) the Hoare annotation is: false [2020-10-20 01:44:59,411 INFO L270 CegarLoopResult]: At program point L624-6(lines 619 627) the Hoare annotation is: false [2020-10-20 01:44:59,411 INFO L274 CegarLoopResult]: For program point L558-4(lines 558 571) no Hoare annotation was computed. [2020-10-20 01:44:59,412 INFO L270 CegarLoopResult]: At program point L624-7(lines 619 627) the Hoare annotation is: false [2020-10-20 01:44:59,412 INFO L270 CegarLoopResult]: At program point L558-5(lines 1 1016) the Hoare annotation is: false [2020-10-20 01:44:59,412 INFO L270 CegarLoopResult]: At program point L624-8(lines 619 627) the Hoare annotation is: false [2020-10-20 01:44:59,412 INFO L270 CegarLoopResult]: At program point L624-9(lines 619 627) the Hoare annotation is: false [2020-10-20 01:44:59,412 INFO L270 CegarLoopResult]: At program point L624-10(lines 619 627) the Hoare annotation is: false [2020-10-20 01:44:59,412 INFO L270 CegarLoopResult]: At program point L624-11(lines 619 627) the Hoare annotation is: false [2020-10-20 01:44:59,412 INFO L270 CegarLoopResult]: At program point L624-12(lines 619 627) the Hoare annotation is: false [2020-10-20 01:44:59,412 INFO L270 CegarLoopResult]: At program point L624-13(lines 619 627) the Hoare annotation is: false [2020-10-20 01:44:59,412 INFO L270 CegarLoopResult]: At program point L624-14(lines 619 627) the Hoare annotation is: false [2020-10-20 01:44:59,412 INFO L274 CegarLoopResult]: For program point L823(lines 823 829) no Hoare annotation was computed. [2020-10-20 01:44:59,413 INFO L274 CegarLoopResult]: For program point L823-2(lines 823 829) no Hoare annotation was computed. [2020-10-20 01:44:59,413 INFO L274 CegarLoopResult]: For program point L823-4(lines 823 829) no Hoare annotation was computed. [2020-10-20 01:44:59,413 INFO L274 CegarLoopResult]: For program point L823-6(lines 823 829) no Hoare annotation was computed. [2020-10-20 01:44:59,413 INFO L274 CegarLoopResult]: For program point L823-8(lines 823 829) no Hoare annotation was computed. [2020-10-20 01:44:59,413 INFO L274 CegarLoopResult]: For program point L823-10(lines 823 829) no Hoare annotation was computed. [2020-10-20 01:44:59,413 INFO L274 CegarLoopResult]: For program point L823-12(lines 823 829) no Hoare annotation was computed. [2020-10-20 01:44:59,413 INFO L274 CegarLoopResult]: For program point L823-14(lines 823 829) no Hoare annotation was computed. [2020-10-20 01:44:59,413 INFO L274 CegarLoopResult]: For program point L823-16(lines 823 829) no Hoare annotation was computed. [2020-10-20 01:44:59,413 INFO L274 CegarLoopResult]: For program point L823-18(lines 823 829) no Hoare annotation was computed. [2020-10-20 01:44:59,413 INFO L274 CegarLoopResult]: For program point L823-20(lines 823 829) no Hoare annotation was computed. [2020-10-20 01:44:59,414 INFO L274 CegarLoopResult]: For program point L823-22(lines 823 829) no Hoare annotation was computed. [2020-10-20 01:44:59,414 INFO L274 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-10-20 01:44:59,414 INFO L274 CegarLoopResult]: For program point L562-2(lines 562 568) no Hoare annotation was computed. [2020-10-20 01:44:59,414 INFO L274 CegarLoopResult]: For program point L562-4(lines 562 568) no Hoare annotation was computed. [2020-10-20 01:44:59,414 INFO L274 CegarLoopResult]: For program point L761(lines 761 778) no Hoare annotation was computed. [2020-10-20 01:44:59,414 INFO L274 CegarLoopResult]: For program point L761-1(lines 761 778) no Hoare annotation was computed. [2020-10-20 01:44:59,414 INFO L274 CegarLoopResult]: For program point L761-2(lines 761 778) no Hoare annotation was computed. [2020-10-20 01:44:59,414 INFO L274 CegarLoopResult]: For program point L761-3(lines 761 778) no Hoare annotation was computed. [2020-10-20 01:44:59,414 INFO L274 CegarLoopResult]: For program point L761-4(lines 761 778) no Hoare annotation was computed. [2020-10-20 01:44:59,414 INFO L274 CegarLoopResult]: For program point L761-5(lines 761 778) no Hoare annotation was computed. [2020-10-20 01:44:59,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:59 BoogieIcfgContainer [2020-10-20 01:44:59,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:59,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:59,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:59,457 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:59,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:33" (3/4) ... [2020-10-20 01:44:59,462 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:59,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:59,513 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:59,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:59,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:59,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:59,520 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:59,521 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:59,554 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-10-20 01:44:59,554 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel) && \result == 1 [2020-10-20 01:44:59,555 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && 1 <= tmp) && \result == 1) [2020-10-20 01:44:59,555 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:44:59,556 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:44:59,556 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:44:59,557 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:44:59,557 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:44:59,558 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:44:59,559 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) [2020-10-20 01:44:59,559 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:44:59,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:44:59,562 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) && \result == 1) [2020-10-20 01:44:59,564 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((((tmp == 1 && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) [2020-10-20 01:44:59,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-20 01:44:59,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && !(0 == systemActive)) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) [2020-10-20 01:44:59,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && !(tmp___0 == 0)) && tmp == 0) && !(\result == 0)) && !(0 == systemActive)) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-20 01:44:59,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:44:59,570 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((tmp == 1 && tmp___0 == 0) && \result == 0) && tmp == 1) && !(0 == systemActive)) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) [2020-10-20 01:44:59,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:44:59,574 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:44:59,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:44:59,710 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:59,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:59,712 INFO L168 Benchmark]: Toolchain (without parser) took 28855.93 ms. Allocated memory was 34.6 MB in the beginning and 221.2 MB in the end (delta: 186.6 MB). Free memory was 10.4 MB in the beginning and 129.5 MB in the end (delta: -119.2 MB). Peak memory consumption was 67.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:59,712 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:59,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.53 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 9.5 MB in the beginning and 24.5 MB in the end (delta: -15.0 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:59,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.82 ms. Allocated memory is still 43.5 MB. Free memory was 24.5 MB in the beginning and 18.3 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:59,714 INFO L168 Benchmark]: Boogie Preprocessor took 128.89 ms. Allocated memory is still 43.5 MB. Free memory was 18.3 MB in the beginning and 13.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:59,714 INFO L168 Benchmark]: RCFGBuilder took 1339.55 ms. Allocated memory was 43.5 MB in the beginning and 52.4 MB in the end (delta: 8.9 MB). Free memory was 13.8 MB in the beginning and 28.9 MB in the end (delta: -15.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:59,714 INFO L168 Benchmark]: TraceAbstraction took 26252.77 ms. Allocated memory was 52.4 MB in the beginning and 221.2 MB in the end (delta: 168.8 MB). Free memory was 28.5 MB in the beginning and 154.9 MB in the end (delta: -126.4 MB). Peak memory consumption was 191.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:59,715 INFO L168 Benchmark]: Witness Printer took 253.64 ms. Allocated memory is still 221.2 MB. Free memory was 154.9 MB in the beginning and 129.5 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:59,718 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 777.53 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 9.5 MB in the beginning and 24.5 MB in the end (delta: -15.0 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 91.82 ms. Allocated memory is still 43.5 MB. Free memory was 24.5 MB in the beginning and 18.3 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 128.89 ms. Allocated memory is still 43.5 MB. Free memory was 18.3 MB in the beginning and 13.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1339.55 ms. Allocated memory was 43.5 MB in the beginning and 52.4 MB in the end (delta: 8.9 MB). Free memory was 13.8 MB in the beginning and 28.9 MB in the end (delta: -15.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 26252.77 ms. Allocated memory was 52.4 MB in the beginning and 221.2 MB in the end (delta: 168.8 MB). Free memory was 28.5 MB in the beginning and 154.9 MB in the end (delta: -126.4 MB). Peak memory consumption was 191.7 MB. Max. memory is 14.3 GB. * Witness Printer took 253.64 ms. Allocated memory is still 221.2 MB. Free memory was 154.9 MB in the beginning and 129.5 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 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: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel) && \result == 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && !(0 == systemActive)) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) && \result == 1) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((((tmp == 1 && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((tmp == 1 && tmp___0 == 0) && \result == 0) && tmp == 1) && !(0 == systemActive)) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && !(tmp___0 == 0)) && tmp == 0) && !(\result == 0)) && !(0 == systemActive)) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && 1 <= tmp) && \result == 1) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 230 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.5s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2131 SDtfs, 3696 SDslu, 4198 SDs, 0 SdLazy, 570 SolverSat, 121 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 210 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=854occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 3998 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 92 PreInvPairs, 468 NumberOfFragments, 947 HoareAnnotationTreeSize, 92 FomulaSimplifications, 3233205 FormulaSimplificationTreeSizeReduction, 4.3s HoareSimplificationTime, 92 FomulaSimplificationsInter, 1993566 FormulaSimplificationTreeSizeReductionInter, 15.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 686 NumberOfCodeBlocks, 686 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 671 ConstructedInterpolants, 0 QuantifiedInterpolants, 65110 SizeOfPredicates, 4 NumberOfNonLiveVariables, 838 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 207/218 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...