./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product22.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_spec2_product22.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 062932e2a77eaa56a60a5c6bf9705187ac9d312a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:42:18,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:18,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:18,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:18,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:18,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:18,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:18,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:18,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:18,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:18,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:18,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:18,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:18,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:18,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:18,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:18,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:18,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:18,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:18,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:18,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:18,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:18,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:18,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:18,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:18,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:18,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:18,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:18,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:18,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:18,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:18,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:18,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:18,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:18,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:18,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:18,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:18,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:18,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:18,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:18,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:18,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:18,580 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:18,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:18,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:18,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:18,582 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:18,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:18,583 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:18,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:18,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:18,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:18,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:18,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:18,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:18,585 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:18,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:18,585 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:18,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:18,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:18,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:18,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:18,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:18,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:18,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:18,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:18,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:18,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:18,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:18,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:18,588 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:18,589 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 -> 062932e2a77eaa56a60a5c6bf9705187ac9d312a [2020-10-20 01:42:18,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:18,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:18,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:18,820 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:18,821 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:18,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2020-10-20 01:42:18,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e435feeb/873614c4441c451b91531099244d0cd0/FLAG4eb94d96a [2020-10-20 01:42:19,365 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:19,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2020-10-20 01:42:19,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e435feeb/873614c4441c451b91531099244d0cd0/FLAG4eb94d96a [2020-10-20 01:42:19,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e435feeb/873614c4441c451b91531099244d0cd0 [2020-10-20 01:42:19,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:19,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:19,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:19,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:19,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:19,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:19" (1/1) ... [2020-10-20 01:42:19,753 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 01:42:19, skipping insertion in model container [2020-10-20 01:42:19,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:19" (1/1) ... [2020-10-20 01:42:19,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:19,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:20,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:20,337 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:20,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:20,441 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:20,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20 WrapperNode [2020-10-20 01:42:20,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:20,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:20,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:20,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:20,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:20,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:20,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:20,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:20,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (1/1) ... [2020-10-20 01:42:20,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:20,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:20,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:20,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:20,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (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 01:42:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:21,573 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:21,573 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-10-20 01:42:21,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:21 BoogieIcfgContainer [2020-10-20 01:42:21,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:21,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:21,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:21,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:21,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:19" (1/3) ... [2020-10-20 01:42:21,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e91e964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:21, skipping insertion in model container [2020-10-20 01:42:21,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:20" (2/3) ... [2020-10-20 01:42:21,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e91e964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:21, skipping insertion in model container [2020-10-20 01:42:21,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:21" (3/3) ... [2020-10-20 01:42:21,584 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2020-10-20 01:42:21,613 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:21,621 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:21,636 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:21,672 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:21,672 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:21,673 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:21,675 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:21,675 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:21,675 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:21,676 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:21,676 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:21,694 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-10-20 01:42:21,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:21,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:21,701 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:21,701 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:21,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:21,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1503259986, now seen corresponding path program 1 times [2020-10-20 01:42:21,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:21,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688300828] [2020-10-20 01:42:21,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:22,050 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 01:42:22,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688300828] [2020-10-20 01:42:22,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:22,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:22,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731406289] [2020-10-20 01:42:22,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:22,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:22,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:22,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:22,078 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-10-20 01:42:22,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:22,112 INFO L93 Difference]: Finished difference Result 214 states and 321 transitions. [2020-10-20 01:42:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:22,114 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:22,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:22,143 INFO L225 Difference]: With dead ends: 214 [2020-10-20 01:42:22,143 INFO L226 Difference]: Without dead ends: 105 [2020-10-20 01:42:22,150 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 01:42:22,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-20 01:42:22,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-10-20 01:42:22,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-20 01:42:22,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2020-10-20 01:42:22,193 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2020-10-20 01:42:22,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:22,193 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2020-10-20 01:42:22,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:22,194 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2020-10-20 01:42:22,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:22,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:22,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:22,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:22,196 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:22,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:22,196 INFO L82 PathProgramCache]: Analyzing trace with hash 421347875, now seen corresponding path program 1 times [2020-10-20 01:42:22,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:22,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215537655] [2020-10-20 01:42:22,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:22,293 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 01:42:22,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215537655] [2020-10-20 01:42:22,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:22,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:22,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495881308] [2020-10-20 01:42:22,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:22,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:22,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:22,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:22,297 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 3 states. [2020-10-20 01:42:22,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:22,311 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2020-10-20 01:42:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:22,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:22,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:22,313 INFO L225 Difference]: With dead ends: 105 [2020-10-20 01:42:22,313 INFO L226 Difference]: Without dead ends: 45 [2020-10-20 01:42:22,315 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 01:42:22,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-20 01:42:22,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-20 01:42:22,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 01:42:22,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-10-20 01:42:22,321 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2020-10-20 01:42:22,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:22,321 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-10-20 01:42:22,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:22,322 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-10-20 01:42:22,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:22,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:22,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:22,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:22,323 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:22,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:22,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1279741385, now seen corresponding path program 1 times [2020-10-20 01:42:22,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:22,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641927563] [2020-10-20 01:42:22,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:22,447 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 01:42:22,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641927563] [2020-10-20 01:42:22,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:22,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:22,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482180283] [2020-10-20 01:42:22,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:22,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:22,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:22,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:22,450 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 5 states. [2020-10-20 01:42:22,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:22,502 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2020-10-20 01:42:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:22,503 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:42:22,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:22,504 INFO L225 Difference]: With dead ends: 83 [2020-10-20 01:42:22,504 INFO L226 Difference]: Without dead ends: 45 [2020-10-20 01:42:22,505 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 01:42:22,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-20 01:42:22,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-20 01:42:22,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 01:42:22,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2020-10-20 01:42:22,511 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2020-10-20 01:42:22,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:22,512 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2020-10-20 01:42:22,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-10-20 01:42:22,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:22,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:22,513 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, 1] [2020-10-20 01:42:22,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:22,514 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:22,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:22,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1716158697, now seen corresponding path program 1 times [2020-10-20 01:42:22,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:22,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013138942] [2020-10-20 01:42:22,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:22,654 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 01:42:22,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013138942] [2020-10-20 01:42:22,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:22,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:22,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348385470] [2020-10-20 01:42:22,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:22,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:22,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:22,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:22,657 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2020-10-20 01:42:22,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:22,786 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-10-20 01:42:22,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:22,787 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-20 01:42:22,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:22,789 INFO L225 Difference]: With dead ends: 207 [2020-10-20 01:42:22,789 INFO L226 Difference]: Without dead ends: 169 [2020-10-20 01:42:22,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:22,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-10-20 01:42:22,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2020-10-20 01:42:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-20 01:42:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2020-10-20 01:42:22,807 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2020-10-20 01:42:22,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:22,807 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2020-10-20 01:42:22,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:22,808 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2020-10-20 01:42:22,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:42:22,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:22,809 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, 1, 1] [2020-10-20 01:42:22,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:22,810 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:22,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:22,810 INFO L82 PathProgramCache]: Analyzing trace with hash 700064625, now seen corresponding path program 1 times [2020-10-20 01:42:22,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:22,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691063495] [2020-10-20 01:42:22,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:22,896 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 01:42:22,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691063495] [2020-10-20 01:42:22,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:22,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:22,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46760343] [2020-10-20 01:42:22,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:22,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:22,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:22,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:22,899 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2020-10-20 01:42:22,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:22,959 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2020-10-20 01:42:22,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:22,960 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-20 01:42:22,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:22,960 INFO L225 Difference]: With dead ends: 176 [2020-10-20 01:42:22,960 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:22,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 01:42:22,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:22,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:22,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:22,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:22,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-10-20 01:42:22,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:22,964 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:22,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:22,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:22,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:22,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:22,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:23,273 INFO L274 CegarLoopResult]: For program point L729(lines 729 735) no Hoare annotation was computed. [2020-10-20 01:42:23,274 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:23,274 INFO L270 CegarLoopResult]: At program point L729-1(lines 729 735) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:23,274 INFO L270 CegarLoopResult]: At program point L696(lines 681 699) the Hoare annotation is: false [2020-10-20 01:42:23,275 INFO L270 CegarLoopResult]: At program point L696-1(lines 681 699) the Hoare annotation is: false [2020-10-20 01:42:23,275 INFO L270 CegarLoopResult]: At program point L696-2(lines 681 699) the Hoare annotation is: false [2020-10-20 01:42:23,275 INFO L270 CegarLoopResult]: At program point L696-3(lines 681 699) the Hoare annotation is: false [2020-10-20 01:42:23,275 INFO L270 CegarLoopResult]: At program point L696-4(lines 681 699) the Hoare annotation is: false [2020-10-20 01:42:23,275 INFO L270 CegarLoopResult]: At program point L696-5(lines 681 699) the Hoare annotation is: false [2020-10-20 01:42:23,275 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:23,276 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:23,276 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:23,276 INFO L270 CegarLoopResult]: At program point L632(lines 625 635) the Hoare annotation is: false [2020-10-20 01:42:23,277 INFO L270 CegarLoopResult]: At program point L632-1(lines 625 635) the Hoare annotation is: false [2020-10-20 01:42:23,277 INFO L274 CegarLoopResult]: For program point L566(lines 566 574) no Hoare annotation was computed. [2020-10-20 01:42:23,277 INFO L270 CegarLoopResult]: At program point L632-2(lines 625 635) the Hoare annotation is: false [2020-10-20 01:42:23,277 INFO L274 CegarLoopResult]: For program point L566-1(lines 566 574) no Hoare annotation was computed. [2020-10-20 01:42:23,277 INFO L274 CegarLoopResult]: For program point L500(lines 500 507) no Hoare annotation was computed. [2020-10-20 01:42:23,278 INFO L274 CegarLoopResult]: For program point L566-2(lines 566 574) no Hoare annotation was computed. [2020-10-20 01:42:23,289 INFO L274 CegarLoopResult]: For program point L566-3(lines 566 574) no Hoare annotation was computed. [2020-10-20 01:42:23,290 INFO L277 CegarLoopResult]: At program point L500-1(lines 500 507) the Hoare annotation is: true [2020-10-20 01:42:23,290 INFO L274 CegarLoopResult]: For program point L566-4(lines 566 574) no Hoare annotation was computed. [2020-10-20 01:42:23,290 INFO L274 CegarLoopResult]: For program point L566-5(lines 566 574) no Hoare annotation was computed. [2020-10-20 01:42:23,290 INFO L274 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-10-20 01:42:23,290 INFO L274 CegarLoopResult]: For program point L831-3(lines 831 835) no Hoare annotation was computed. [2020-10-20 01:42:23,291 INFO L274 CegarLoopResult]: For program point L831-6(lines 831 835) no Hoare annotation was computed. [2020-10-20 01:42:23,291 INFO L270 CegarLoopResult]: At program point L767(lines 718 768) the Hoare annotation is: false [2020-10-20 01:42:23,291 INFO L270 CegarLoopResult]: At program point L537(lines 537 543) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:23,291 INFO L270 CegarLoopResult]: At program point L537-1(lines 537 543) the Hoare annotation is: false [2020-10-20 01:42:23,292 INFO L270 CegarLoopResult]: At program point L471(lines 467 473) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:23,292 INFO L270 CegarLoopResult]: At program point L537-2(lines 537 543) the Hoare annotation is: false [2020-10-20 01:42:23,292 INFO L270 CegarLoopResult]: At program point L868(lines 863 871) the Hoare annotation is: false [2020-10-20 01:42:23,292 INFO L270 CegarLoopResult]: At program point L868-1(lines 863 871) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:23,293 INFO L274 CegarLoopResult]: For program point L802(lines 802 819) no Hoare annotation was computed. [2020-10-20 01:42:23,293 INFO L270 CegarLoopResult]: At program point L868-2(lines 863 871) the Hoare annotation is: false [2020-10-20 01:42:23,293 INFO L270 CegarLoopResult]: At program point L802-1(lines 1 947) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:23,293 INFO L270 CegarLoopResult]: At program point L868-3(lines 863 871) the Hoare annotation is: false [2020-10-20 01:42:23,294 INFO L274 CegarLoopResult]: For program point L802-2(lines 802 819) no Hoare annotation was computed. [2020-10-20 01:42:23,294 INFO L270 CegarLoopResult]: At program point L868-4(lines 863 871) the Hoare annotation is: false [2020-10-20 01:42:23,294 INFO L270 CegarLoopResult]: At program point L802-3(lines 1 947) the Hoare annotation is: false [2020-10-20 01:42:23,294 INFO L270 CegarLoopResult]: At program point L868-5(lines 863 871) the Hoare annotation is: false [2020-10-20 01:42:23,295 INFO L274 CegarLoopResult]: For program point L802-4(lines 802 819) no Hoare annotation was computed. [2020-10-20 01:42:23,295 INFO L270 CegarLoopResult]: At program point L802-5(lines 1 947) the Hoare annotation is: false [2020-10-20 01:42:23,295 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:23,295 INFO L270 CegarLoopResult]: At program point L936(lines 1 947) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-20 01:42:23,296 INFO L274 CegarLoopResult]: For program point L739(lines 739 745) no Hoare annotation was computed. [2020-10-20 01:42:23,296 INFO L270 CegarLoopResult]: At program point L739-1(lines 739 745) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:23,296 INFO L274 CegarLoopResult]: For program point L806(lines 806 816) no Hoare annotation was computed. [2020-10-20 01:42:23,296 INFO L274 CegarLoopResult]: For program point L806-2(lines 806 816) no Hoare annotation was computed. [2020-10-20 01:42:23,296 INFO L274 CegarLoopResult]: For program point L806-4(lines 806 816) no Hoare annotation was computed. [2020-10-20 01:42:23,297 INFO L270 CegarLoopResult]: At program point L641(lines 636 644) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:23,297 INFO L270 CegarLoopResult]: At program point L641-1(lines 636 644) the Hoare annotation is: false [2020-10-20 01:42:23,297 INFO L270 CegarLoopResult]: At program point L641-2(lines 636 644) the Hoare annotation is: false [2020-10-20 01:42:23,297 INFO L277 CegarLoopResult]: At program point L509(lines 490 512) the Hoare annotation is: true [2020-10-20 01:42:23,298 INFO L274 CegarLoopResult]: For program point L807(lines 807 813) no Hoare annotation was computed. [2020-10-20 01:42:23,298 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 813) no Hoare annotation was computed. [2020-10-20 01:42:23,298 INFO L274 CegarLoopResult]: For program point L807-4(lines 807 813) no Hoare annotation was computed. [2020-10-20 01:42:23,298 INFO L270 CegarLoopResult]: At program point L909(lines 904 912) the Hoare annotation is: false [2020-10-20 01:42:23,298 INFO L270 CegarLoopResult]: At program point L909-1(lines 904 912) the Hoare annotation is: false [2020-10-20 01:42:23,299 INFO L274 CegarLoopResult]: For program point L843(lines 843 847) no Hoare annotation was computed. [2020-10-20 01:42:23,299 INFO L270 CegarLoopResult]: At program point L909-2(lines 904 912) the Hoare annotation is: false [2020-10-20 01:42:23,299 INFO L270 CegarLoopResult]: At program point L909-3(lines 904 912) the Hoare annotation is: false [2020-10-20 01:42:23,299 INFO L270 CegarLoopResult]: At program point L909-4(lines 904 912) the Hoare annotation is: false [2020-10-20 01:42:23,299 INFO L270 CegarLoopResult]: At program point L909-5(lines 904 912) the Hoare annotation is: false [2020-10-20 01:42:23,300 INFO L270 CegarLoopResult]: At program point L944(lines 939 947) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:23,300 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:23,300 INFO L274 CegarLoopResult]: For program point L780(line 780) no Hoare annotation was computed. [2020-10-20 01:42:23,300 INFO L274 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-10-20 01:42:23,301 INFO L274 CegarLoopResult]: For program point L780-2(line 780) no Hoare annotation was computed. [2020-10-20 01:42:23,301 INFO L274 CegarLoopResult]: For program point L749(lines 749 762) no Hoare annotation was computed. [2020-10-20 01:42:23,301 INFO L270 CegarLoopResult]: At program point L420-2(lines 420 434) the Hoare annotation is: false [2020-10-20 01:42:23,301 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-20 01:42:23,301 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:23,302 INFO L274 CegarLoopResult]: For program point L720(lines 719 766) no Hoare annotation was computed. [2020-10-20 01:42:23,302 INFO L274 CegarLoopResult]: For program point L588(lines 588 605) no Hoare annotation was computed. [2020-10-20 01:42:23,302 INFO L274 CegarLoopResult]: For program point L588-1(lines 588 605) no Hoare annotation was computed. [2020-10-20 01:42:23,302 INFO L274 CegarLoopResult]: For program point L588-2(lines 588 605) no Hoare annotation was computed. [2020-10-20 01:42:23,302 INFO L274 CegarLoopResult]: For program point L721(lines 721 725) no Hoare annotation was computed. [2020-10-20 01:42:23,302 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-10-20 01:42:23,303 INFO L274 CegarLoopResult]: For program point L424-1(lines 530 536) no Hoare annotation was computed. [2020-10-20 01:42:23,303 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:23,303 INFO L274 CegarLoopResult]: For program point L855(lines 855 859) no Hoare annotation was computed. [2020-10-20 01:42:23,303 INFO L274 CegarLoopResult]: For program point L690(lines 690 694) no Hoare annotation was computed. [2020-10-20 01:42:23,303 INFO L274 CegarLoopResult]: For program point L690-2(lines 690 694) no Hoare annotation was computed. [2020-10-20 01:42:23,304 INFO L274 CegarLoopResult]: For program point L690-3(lines 690 694) no Hoare annotation was computed. [2020-10-20 01:42:23,304 INFO L274 CegarLoopResult]: For program point L690-5(lines 690 694) no Hoare annotation was computed. [2020-10-20 01:42:23,304 INFO L274 CegarLoopResult]: For program point L690-6(lines 690 694) no Hoare annotation was computed. [2020-10-20 01:42:23,304 INFO L274 CegarLoopResult]: For program point L690-8(lines 690 694) no Hoare annotation was computed. [2020-10-20 01:42:23,304 INFO L274 CegarLoopResult]: For program point L690-9(lines 690 694) no Hoare annotation was computed. [2020-10-20 01:42:23,305 INFO L274 CegarLoopResult]: For program point L690-11(lines 690 694) no Hoare annotation was computed. [2020-10-20 01:42:23,305 INFO L274 CegarLoopResult]: For program point L690-12(lines 690 694) no Hoare annotation was computed. [2020-10-20 01:42:23,305 INFO L274 CegarLoopResult]: For program point L690-14(lines 690 694) no Hoare annotation was computed. [2020-10-20 01:42:23,305 INFO L274 CegarLoopResult]: For program point L690-15(lines 690 694) no Hoare annotation was computed. [2020-10-20 01:42:23,305 INFO L274 CegarLoopResult]: For program point L690-17(lines 690 694) no Hoare annotation was computed. [2020-10-20 01:42:23,306 INFO L274 CegarLoopResult]: For program point L757(lines 757 761) no Hoare annotation was computed. [2020-10-20 01:42:23,306 INFO L270 CegarLoopResult]: At program point L757-2(lines 530 536) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:23,306 INFO L274 CegarLoopResult]: For program point L592(lines 592 600) no Hoare annotation was computed. [2020-10-20 01:42:23,306 INFO L274 CegarLoopResult]: For program point L592-1(lines 592 600) no Hoare annotation was computed. [2020-10-20 01:42:23,307 INFO L274 CegarLoopResult]: For program point L592-2(lines 592 600) no Hoare annotation was computed. [2020-10-20 01:42:23,307 INFO L270 CegarLoopResult]: At program point L791(lines 786 793) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:23,307 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:23,307 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:23,308 INFO L274 CegarLoopResult]: For program point L562(lines 562 579) no Hoare annotation was computed. [2020-10-20 01:42:23,308 INFO L274 CegarLoopResult]: For program point L562-1(lines 562 579) no Hoare annotation was computed. [2020-10-20 01:42:23,308 INFO L274 CegarLoopResult]: For program point L562-2(lines 562 579) no Hoare annotation was computed. [2020-10-20 01:42:23,308 INFO L274 CegarLoopResult]: For program point L562-3(lines 562 579) no Hoare annotation was computed. [2020-10-20 01:42:23,308 INFO L274 CegarLoopResult]: For program point L562-4(lines 562 579) no Hoare annotation was computed. [2020-10-20 01:42:23,309 INFO L274 CegarLoopResult]: For program point L562-5(lines 562 579) no Hoare annotation was computed. [2020-10-20 01:42:23,309 INFO L270 CegarLoopResult]: At program point L530(lines 529 548) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:23,309 INFO L274 CegarLoopResult]: For program point L530-1(lines 530 536) no Hoare annotation was computed. [2020-10-20 01:42:23,309 INFO L270 CegarLoopResult]: At program point L530-2(lines 529 548) the Hoare annotation is: false [2020-10-20 01:42:23,309 INFO L270 CegarLoopResult]: At program point L530-3(lines 529 548) the Hoare annotation is: false [2020-10-20 01:42:23,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:23 BoogieIcfgContainer [2020-10-20 01:42:23,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:23,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:23,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:23,338 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:23,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:21" (3/4) ... [2020-10-20 01:42:23,343 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:23,361 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:23,363 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:23,364 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:23,365 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:23,366 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:23,367 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:23,368 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:23,399 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:23,400 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:23,400 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:23,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:23,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:23,402 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:23,402 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:23,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:23,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:23,404 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:23,406 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:23,494 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:23,494 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:23,497 INFO L168 Benchmark]: Toolchain (without parser) took 3762.59 ms. Allocated memory was 35.1 MB in the beginning and 60.8 MB in the end (delta: 25.7 MB). Free memory was 11.3 MB in the beginning and 19.8 MB in the end (delta: -8.5 MB). Peak memory consumption was 17.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,498 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 33.0 MB. Free memory was 18.1 MB in the beginning and 18.1 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.61 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 10.5 MB in the beginning and 27.5 MB in the end (delta: -17.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.95 ms. Allocated memory is still 44.0 MB. Free memory was 27.5 MB in the beginning and 23.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,499 INFO L168 Benchmark]: Boogie Preprocessor took 81.40 ms. Allocated memory is still 44.0 MB. Free memory was 23.6 MB in the beginning and 20.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,500 INFO L168 Benchmark]: RCFGBuilder took 944.23 ms. Allocated memory was 44.0 MB in the beginning and 49.3 MB in the end (delta: 5.2 MB). Free memory was 20.8 MB in the beginning and 12.5 MB in the end (delta: 8.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,501 INFO L168 Benchmark]: TraceAbstraction took 1760.46 ms. Allocated memory was 49.3 MB in the beginning and 60.8 MB in the end (delta: 11.5 MB). Free memory was 12.1 MB in the beginning and 32.6 MB in the end (delta: -20.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,501 INFO L168 Benchmark]: Witness Printer took 156.68 ms. Allocated memory is still 60.8 MB. Free memory was 32.6 MB in the beginning and 19.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:23,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 33.0 MB. Free memory was 18.1 MB in the beginning and 18.1 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 706.61 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 10.5 MB in the beginning and 27.5 MB in the end (delta: -17.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 91.95 ms. Allocated memory is still 44.0 MB. Free memory was 27.5 MB in the beginning and 23.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 81.40 ms. Allocated memory is still 44.0 MB. Free memory was 23.6 MB in the beginning and 20.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 944.23 ms. Allocated memory was 44.0 MB in the beginning and 49.3 MB in the end (delta: 5.2 MB). Free memory was 20.8 MB in the beginning and 12.5 MB in the end (delta: 8.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1760.46 ms. Allocated memory was 49.3 MB in the beginning and 60.8 MB in the end (delta: 11.5 MB). Free memory was 12.1 MB in the beginning and 32.6 MB in the end (delta: -20.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. * Witness Printer took 156.68 ms. Allocated memory is still 60.8 MB. Free memory was 32.6 MB in the beginning and 19.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 427 SDtfs, 507 SDslu, 367 SDs, 0 SdLazy, 65 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 85 NumberOfFragments, 230 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1908 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 70 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...