./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product17.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_product17.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 f109400e8916ff9eba13533e7575144e5f0c1404 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:42:16,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:16,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:16,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:16,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:16,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:16,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:16,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:16,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:16,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:16,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:16,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:16,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:16,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:16,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:16,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:16,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:16,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:16,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:16,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:16,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:16,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:16,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:16,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:16,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:16,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:16,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:16,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:16,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:16,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:16,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:16,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:16,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:16,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:16,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:16,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:16,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:16,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:16,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:16,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:16,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:16,639 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:16,660 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:16,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:16,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:16,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:16,662 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:16,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:16,663 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:16,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:16,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:16,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:16,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:16,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:16,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:16,665 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:16,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:16,665 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:16,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:16,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:16,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:16,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:16,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:16,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:16,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:16,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:16,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:16,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:16,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:16,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:16,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:16,669 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 -> f109400e8916ff9eba13533e7575144e5f0c1404 [2020-10-20 01:42:16,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:16,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:16,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:16,912 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:16,915 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:16,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2020-10-20 01:42:16,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bef19d591/9cd0d9da7a504c40801ef72386b1c592/FLAGa146c5272 [2020-10-20 01:42:17,597 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:17,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2020-10-20 01:42:17,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bef19d591/9cd0d9da7a504c40801ef72386b1c592/FLAGa146c5272 [2020-10-20 01:42:17,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bef19d591/9cd0d9da7a504c40801ef72386b1c592 [2020-10-20 01:42:17,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:17,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:17,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:17,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:17,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:17,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:17" (1/1) ... [2020-10-20 01:42:17,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5308761b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:17, skipping insertion in model container [2020-10-20 01:42:17,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:17" (1/1) ... [2020-10-20 01:42:17,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:17,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:18,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:18,330 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:18,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:18,484 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:18,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18 WrapperNode [2020-10-20 01:42:18,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:18,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:18,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:18,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:18,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:18,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:18,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:18,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:18,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:18,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:18,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:18,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:18,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (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 01:42:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:19,574 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:19,574 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-10-20 01:42:19,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:19 BoogieIcfgContainer [2020-10-20 01:42:19,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:19,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:19,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:19,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:19,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:17" (1/3) ... [2020-10-20 01:42:19,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f4311f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:19, skipping insertion in model container [2020-10-20 01:42:19,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (2/3) ... [2020-10-20 01:42:19,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f4311f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:19, skipping insertion in model container [2020-10-20 01:42:19,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:19" (3/3) ... [2020-10-20 01:42:19,585 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2020-10-20 01:42:19,597 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:19,604 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:19,616 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:19,636 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:19,637 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:19,637 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:19,637 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:19,637 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:19,637 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:19,637 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:19,638 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-10-20 01:42:19,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:19,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:19,663 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 01:42:19,664 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:19,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:19,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1280611484, now seen corresponding path program 1 times [2020-10-20 01:42:19,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:19,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364689827] [2020-10-20 01:42:19,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:19,983 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 01:42:19,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364689827] [2020-10-20 01:42:19,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:19,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:19,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450175546] [2020-10-20 01:42:19,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:19,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:20,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:20,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:20,017 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2020-10-20 01:42:20,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:20,057 INFO L93 Difference]: Finished difference Result 154 states and 231 transitions. [2020-10-20 01:42:20,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:20,058 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:20,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:20,077 INFO L225 Difference]: With dead ends: 154 [2020-10-20 01:42:20,077 INFO L226 Difference]: Without dead ends: 75 [2020-10-20 01:42:20,082 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 01:42:20,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-20 01:42:20,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-20 01:42:20,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-20 01:42:20,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-10-20 01:42:20,136 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2020-10-20 01:42:20,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:20,136 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-10-20 01:42:20,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-10-20 01:42:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:20,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:20,139 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 01:42:20,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:20,140 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:20,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:20,140 INFO L82 PathProgramCache]: Analyzing trace with hash 877059811, now seen corresponding path program 1 times [2020-10-20 01:42:20,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:20,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926754874] [2020-10-20 01:42:20,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:20,305 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 01:42:20,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926754874] [2020-10-20 01:42:20,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:20,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:20,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263026189] [2020-10-20 01:42:20,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:20,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:20,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:20,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:20,309 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-10-20 01:42:20,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:20,327 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-10-20 01:42:20,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:20,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:20,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:20,329 INFO L225 Difference]: With dead ends: 75 [2020-10-20 01:42:20,329 INFO L226 Difference]: Without dead ends: 35 [2020-10-20 01:42:20,331 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 01:42:20,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-20 01:42:20,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-20 01:42:20,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-20 01:42:20,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-10-20 01:42:20,353 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-10-20 01:42:20,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:20,353 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-10-20 01:42:20,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-10-20 01:42:20,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:20,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:20,355 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 01:42:20,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:20,355 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:20,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:20,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2020-10-20 01:42:20,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:20,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336922355] [2020-10-20 01:42:20,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:20,477 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 01:42:20,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336922355] [2020-10-20 01:42:20,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:20,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:20,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695476179] [2020-10-20 01:42:20,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:20,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:20,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:20,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:20,479 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 6 states. [2020-10-20 01:42:20,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:20,682 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-10-20 01:42:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:20,683 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-20 01:42:20,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:20,684 INFO L225 Difference]: With dead ends: 63 [2020-10-20 01:42:20,684 INFO L226 Difference]: Without dead ends: 35 [2020-10-20 01:42:20,685 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 01:42:20,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-20 01:42:20,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-20 01:42:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-20 01:42:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2020-10-20 01:42:20,690 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2020-10-20 01:42:20,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:20,691 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2020-10-20 01:42:20,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-10-20 01:42:20,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:42:20,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:20,692 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 01:42:20,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:20,692 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:20,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:20,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2020-10-20 01:42:20,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:20,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116551112] [2020-10-20 01:42:20,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:20,782 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 01:42:20,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116551112] [2020-10-20 01:42:20,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:20,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:20,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995645712] [2020-10-20 01:42:20,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:20,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:20,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:20,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:20,784 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2020-10-20 01:42:20,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:20,865 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2020-10-20 01:42:20,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:20,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-20 01:42:20,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:20,868 INFO L225 Difference]: With dead ends: 154 [2020-10-20 01:42:20,868 INFO L226 Difference]: Without dead ends: 126 [2020-10-20 01:42:20,869 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 01:42:20,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-20 01:42:20,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2020-10-20 01:42:20,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-20 01:42:20,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2020-10-20 01:42:20,880 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2020-10-20 01:42:20,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:20,894 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2020-10-20 01:42:20,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2020-10-20 01:42:20,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:20,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:20,896 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 01:42:20,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:20,896 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:20,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:20,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2020-10-20 01:42:20,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:20,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208695695] [2020-10-20 01:42:20,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:21,021 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 01:42:21,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208695695] [2020-10-20 01:42:21,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:21,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:21,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586872298] [2020-10-20 01:42:21,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:21,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:21,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:21,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:21,024 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2020-10-20 01:42:21,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:21,101 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2020-10-20 01:42:21,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:21,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-20 01:42:21,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:21,102 INFO L225 Difference]: With dead ends: 150 [2020-10-20 01:42:21,102 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:21,103 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 01:42:21,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:21,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:21,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:21,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-20 01:42:21,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:21,105 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:21,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:21,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:21,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:21,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:21,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:21,522 INFO L270 CegarLoopResult]: At program point L217(lines 216 235) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-20 01:42:21,522 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:21,522 INFO L274 CegarLoopResult]: For program point L217-1(lines 217 223) no Hoare annotation was computed. [2020-10-20 01:42:21,522 INFO L274 CegarLoopResult]: For program point L151(lines 150 195) no Hoare annotation was computed. [2020-10-20 01:42:21,522 INFO L270 CegarLoopResult]: At program point L217-2(lines 216 235) the Hoare annotation is: false [2020-10-20 01:42:21,522 INFO L270 CegarLoopResult]: At program point L217-3(lines 216 235) the Hoare annotation is: false [2020-10-20 01:42:21,523 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:21,523 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:21,523 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:21,523 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:21,523 INFO L274 CegarLoopResult]: For program point L829(lines 829 833) no Hoare annotation was computed. [2020-10-20 01:42:21,524 INFO L274 CegarLoopResult]: For program point L796(lines 796 806) no Hoare annotation was computed. [2020-10-20 01:42:21,524 INFO L274 CegarLoopResult]: For program point L829-1(lines 217 223) no Hoare annotation was computed. [2020-10-20 01:42:21,524 INFO L274 CegarLoopResult]: For program point L796-2(lines 796 806) no Hoare annotation was computed. [2020-10-20 01:42:21,524 INFO L274 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-10-20 01:42:21,524 INFO L274 CegarLoopResult]: For program point L796-4(lines 796 806) no Hoare annotation was computed. [2020-10-20 01:42:21,524 INFO L274 CegarLoopResult]: For program point L351(lines 351 355) no Hoare annotation was computed. [2020-10-20 01:42:21,525 INFO L274 CegarLoopResult]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2020-10-20 01:42:21,525 INFO L274 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-10-20 01:42:21,525 INFO L274 CegarLoopResult]: For program point L351-3(lines 351 355) no Hoare annotation was computed. [2020-10-20 01:42:21,525 INFO L274 CegarLoopResult]: For program point L797-2(lines 797 803) no Hoare annotation was computed. [2020-10-20 01:42:21,525 INFO L274 CegarLoopResult]: For program point L186(lines 186 190) no Hoare annotation was computed. [2020-10-20 01:42:21,525 INFO L274 CegarLoopResult]: For program point L351-5(lines 351 355) no Hoare annotation was computed. [2020-10-20 01:42:21,525 INFO L274 CegarLoopResult]: For program point L351-6(lines 351 355) no Hoare annotation was computed. [2020-10-20 01:42:21,525 INFO L274 CegarLoopResult]: For program point L797-4(lines 797 803) no Hoare annotation was computed. [2020-10-20 01:42:21,526 INFO L274 CegarLoopResult]: For program point L186-2(lines 217 223) no Hoare annotation was computed. [2020-10-20 01:42:21,526 INFO L274 CegarLoopResult]: For program point L351-8(lines 351 355) no Hoare annotation was computed. [2020-10-20 01:42:21,526 INFO L270 CegarLoopResult]: At program point L302(lines 297 305) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-20 01:42:21,526 INFO L270 CegarLoopResult]: At program point L781(lines 776 783) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-20 01:42:21,526 INFO L270 CegarLoopResult]: At program point L302-1(lines 297 305) the Hoare annotation is: false [2020-10-20 01:42:21,526 INFO L270 CegarLoopResult]: At program point L302-2(lines 297 305) the Hoare annotation is: false [2020-10-20 01:42:21,527 INFO L274 CegarLoopResult]: For program point L170(lines 170 176) no Hoare annotation was computed. [2020-10-20 01:42:21,527 INFO L270 CegarLoopResult]: At program point L170-1(lines 170 176) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-20 01:42:21,527 INFO L274 CegarLoopResult]: For program point L897(lines 897 904) no Hoare annotation was computed. [2020-10-20 01:42:21,527 INFO L277 CegarLoopResult]: At program point L897-1(lines 897 904) the Hoare annotation is: true [2020-10-20 01:42:21,527 INFO L274 CegarLoopResult]: For program point L253(lines 253 261) no Hoare annotation was computed. [2020-10-20 01:42:21,527 INFO L274 CegarLoopResult]: For program point L253-1(lines 253 261) no Hoare annotation was computed. [2020-10-20 01:42:21,527 INFO L274 CegarLoopResult]: For program point L253-2(lines 253 261) no Hoare annotation was computed. [2020-10-20 01:42:21,527 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:42:21,528 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:42:21,528 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:42:21,528 INFO L270 CegarLoopResult]: At program point L387(lines 1 909) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:21,528 INFO L274 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-20 01:42:21,528 INFO L274 CegarLoopResult]: For program point L404-1(line 404) no Hoare annotation was computed. [2020-10-20 01:42:21,528 INFO L274 CegarLoopResult]: For program point L404-2(line 404) no Hoare annotation was computed. [2020-10-20 01:42:21,528 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:21,529 INFO L270 CegarLoopResult]: At program point L224(lines 224 230) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-20 01:42:21,529 INFO L270 CegarLoopResult]: At program point L224-1(lines 224 230) the Hoare annotation is: false [2020-10-20 01:42:21,529 INFO L270 CegarLoopResult]: At program point L224-2(lines 224 230) the Hoare annotation is: false [2020-10-20 01:42:21,529 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-20 01:42:21,529 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-10-20 01:42:21,529 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-10-20 01:42:21,529 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:21,530 INFO L270 CegarLoopResult]: At program point L357(lines 342 360) the Hoare annotation is: false [2020-10-20 01:42:21,530 INFO L270 CegarLoopResult]: At program point L357-1(lines 342 360) the Hoare annotation is: false [2020-10-20 01:42:21,530 INFO L270 CegarLoopResult]: At program point L357-2(lines 342 360) the Hoare annotation is: false [2020-10-20 01:42:21,530 INFO L274 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-10-20 01:42:21,530 INFO L270 CegarLoopResult]: At program point L160-1(lines 160 166) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-20 01:42:21,530 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:21,530 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-10-20 01:42:21,530 INFO L277 CegarLoopResult]: At program point L906(lines 887 909) the Hoare annotation is: true [2020-10-20 01:42:21,531 INFO L270 CegarLoopResult]: At program point L873(lines 869 875) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-20 01:42:21,531 INFO L270 CegarLoopResult]: At program point L196(lines 149 197) the Hoare annotation is: false [2020-10-20 01:42:21,531 INFO L274 CegarLoopResult]: For program point L180(lines 180 191) no Hoare annotation was computed. [2020-10-20 01:42:21,531 INFO L270 CegarLoopResult]: At program point L395(lines 390 398) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:21,531 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:21,531 INFO L274 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-10-20 01:42:21,531 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:21,532 INFO L270 CegarLoopResult]: At program point L792-1(lines 1 909) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-20 01:42:21,532 INFO L270 CegarLoopResult]: At program point L825-2(lines 825 839) the Hoare annotation is: false [2020-10-20 01:42:21,532 INFO L274 CegarLoopResult]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2020-10-20 01:42:21,532 INFO L270 CegarLoopResult]: At program point L792-3(lines 1 909) the Hoare annotation is: false [2020-10-20 01:42:21,532 INFO L274 CegarLoopResult]: For program point L792-4(lines 792 809) no Hoare annotation was computed. [2020-10-20 01:42:21,532 INFO L270 CegarLoopResult]: At program point L792-5(lines 1 909) the Hoare annotation is: false [2020-10-20 01:42:21,532 INFO L274 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-10-20 01:42:21,532 INFO L270 CegarLoopResult]: At program point L133(lines 128 136) the Hoare annotation is: false [2020-10-20 01:42:21,533 INFO L270 CegarLoopResult]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2020-10-20 01:42:21,533 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-10-20 01:42:21,533 INFO L270 CegarLoopResult]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-10-20 01:42:21,533 INFO L274 CegarLoopResult]: For program point L249(lines 249 266) no Hoare annotation was computed. [2020-10-20 01:42:21,533 INFO L274 CegarLoopResult]: For program point L249-1(lines 249 266) no Hoare annotation was computed. [2020-10-20 01:42:21,533 INFO L274 CegarLoopResult]: For program point L249-2(lines 249 266) no Hoare annotation was computed. [2020-10-20 01:42:21,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:21 BoogieIcfgContainer [2020-10-20 01:42:21,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:21,556 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:21,556 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:21,556 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:21,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:19" (3/4) ... [2020-10-20 01:42:21,560 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:21,577 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:21,577 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:21,578 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:21,579 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:21,579 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:21,580 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:21,581 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:21,614 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-20 01:42:21,615 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-10-20 01:42:21,615 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-10-20 01:42:21,616 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-20 01:42:21,617 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-20 01:42:21,617 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-20 01:42:21,618 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-20 01:42:21,619 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-20 01:42:21,621 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-20 01:42:21,622 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == systemActive && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-20 01:42:21,713 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:21,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:21,716 INFO L168 Benchmark]: Toolchain (without parser) took 3893.05 ms. Allocated memory was 34.1 MB in the beginning and 58.2 MB in the end (delta: 24.1 MB). Free memory was 10.6 MB in the beginning and 21.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,716 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 32.5 MB. Free memory was 17.6 MB in the beginning and 17.5 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.74 ms. Allocated memory was 34.1 MB in the beginning and 44.6 MB in the end (delta: 10.5 MB). Free memory was 9.7 MB in the beginning and 20.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,717 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.03 ms. Allocated memory is still 44.6 MB. Free memory was 20.7 MB in the beginning and 17.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,718 INFO L168 Benchmark]: Boogie Preprocessor took 52.25 ms. Allocated memory is still 44.6 MB. Free memory was 17.5 MB in the beginning and 15.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,718 INFO L168 Benchmark]: RCFGBuilder took 962.80 ms. Allocated memory was 44.6 MB in the beginning and 49.8 MB in the end (delta: 5.2 MB). Free memory was 14.9 MB in the beginning and 27.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,719 INFO L168 Benchmark]: TraceAbstraction took 1977.88 ms. Allocated memory was 49.8 MB in the beginning and 58.2 MB in the end (delta: 8.4 MB). Free memory was 26.8 MB in the beginning and 30.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,719 INFO L168 Benchmark]: Witness Printer took 157.95 ms. Allocated memory is still 58.2 MB. Free memory was 30.2 MB in the beginning and 21.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 ms. Allocated memory is still 32.5 MB. Free memory was 17.6 MB in the beginning and 17.5 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 656.74 ms. Allocated memory was 34.1 MB in the beginning and 44.6 MB in the end (delta: 10.5 MB). Free memory was 9.7 MB in the beginning and 20.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 73.03 ms. Allocated memory is still 44.6 MB. Free memory was 20.7 MB in the beginning and 17.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 52.25 ms. Allocated memory is still 44.6 MB. Free memory was 17.5 MB in the beginning and 15.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 962.80 ms. Allocated memory was 44.6 MB in the beginning and 49.8 MB in the end (delta: 5.2 MB). Free memory was 14.9 MB in the beginning and 27.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1977.88 ms. Allocated memory was 49.8 MB in the beginning and 58.2 MB in the end (delta: 8.4 MB). Free memory was 26.8 MB in the beginning and 30.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 14.3 GB. * Witness Printer took 157.95 ms. Allocated memory is still 58.2 MB. Free memory was 30.2 MB in the beginning and 21.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 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: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: ((((\result == systemActive && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 326 SDtfs, 388 SDslu, 296 SDs, 0 SdLazy, 46 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred 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, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 190 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1196 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 285 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5537 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...