./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c952fe0d024abd1f77bec8afb960521fbb4c1bf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:40,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:40,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:40,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:40,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:40,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:40,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:40,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:40,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:40,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:40,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:40,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:40,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:40,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:40,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:40,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:40,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:40,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:40,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:40,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:40,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:40,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:40,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:40,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:40,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:40,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:40,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:40,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:40,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:40,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:40,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:40,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:40,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:40,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:40,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:40,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:40,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:40,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:40,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:40,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:40,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:40,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:58:40,581 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:40,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:40,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:40,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:40,583 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:40,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:40,583 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:40,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:40,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:40,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:40,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:40,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:40,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:40,584 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:40,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:40,584 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:40,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:40,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:40,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:40,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:40,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:40,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:40,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:40,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:40,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:40,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:40,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:40,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:40,587 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/bin/uautomizer 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(__VERIFIER_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 -> 9c952fe0d024abd1f77bec8afb960521fbb4c1bf [2019-10-22 08:58:40,627 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:40,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:40,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:40,640 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:40,647 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:40,647 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2019-10-22 08:58:40,703 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/bin/uautomizer/data/d2b4c154d/61d50b22f5a1445092a561e75b3ce56f/FLAG5cca79e94 [2019-10-22 08:58:41,104 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:41,107 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2019-10-22 08:58:41,118 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/bin/uautomizer/data/d2b4c154d/61d50b22f5a1445092a561e75b3ce56f/FLAG5cca79e94 [2019-10-22 08:58:41,130 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/bin/uautomizer/data/d2b4c154d/61d50b22f5a1445092a561e75b3ce56f [2019-10-22 08:58:41,133 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:41,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:41,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:41,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:41,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:41,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46020af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41, skipping insertion in model container [2019-10-22 08:58:41,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,149 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:41,185 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:41,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:41,632 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:41,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:41,731 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:41,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41 WrapperNode [2019-10-22 08:58:41,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:41,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:41,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:41,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:41,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:41,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:41,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:41,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:41,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:41,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:41,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:41,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:41,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/bin/uautomizer/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 [2019-10-22 08:58:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:58:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:41,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:42,506 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:42,506 INFO L284 CfgBuilder]: Removed 68 assume(true) statements. [2019-10-22 08:58:42,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:42 BoogieIcfgContainer [2019-10-22 08:58:42,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:42,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:42,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:42,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:42,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:41" (1/3) ... [2019-10-22 08:58:42,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42daa012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:42, skipping insertion in model container [2019-10-22 08:58:42,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (2/3) ... [2019-10-22 08:58:42,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42daa012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:42, skipping insertion in model container [2019-10-22 08:58:42,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:42" (3/3) ... [2019-10-22 08:58:42,514 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2019-10-22 08:58:42,523 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:42,530 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:58:42,542 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:58:42,582 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:42,582 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:42,582 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:42,582 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:42,584 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:42,584 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:42,584 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:42,584 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:42,604 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2019-10-22 08:58:42,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:58:42,612 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:42,613 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:42,615 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:42,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:42,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1461582393, now seen corresponding path program 1 times [2019-10-22 08:58:42,630 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:42,631 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295869979] [2019-10-22 08:58:42,632 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:42,632 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:42,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:42,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:42,853 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295869979] [2019-10-22 08:58:42,854 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:42,854 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:42,854 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871336757] [2019-10-22 08:58:42,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:58:42,858 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:42,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:58:42,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:58:42,873 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2019-10-22 08:58:42,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:42,898 INFO L93 Difference]: Finished difference Result 115 states and 174 transitions. [2019-10-22 08:58:42,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:58:42,900 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 08:58:42,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:42,909 INFO L225 Difference]: With dead ends: 115 [2019-10-22 08:58:42,910 INFO L226 Difference]: Without dead ends: 57 [2019-10-22 08:58:42,914 INFO L600 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 [2019-10-22 08:58:42,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-10-22 08:58:42,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-10-22 08:58:42,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-10-22 08:58:42,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2019-10-22 08:58:42,947 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2019-10-22 08:58:42,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:42,947 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2019-10-22 08:58:42,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:58:42,948 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2019-10-22 08:58:42,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:58:42,948 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:42,948 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:42,949 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:42,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:42,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1680418362, now seen corresponding path program 1 times [2019-10-22 08:58:42,949 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:42,949 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764619388] [2019-10-22 08:58:42,950 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:42,950 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:42,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:43,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:43,022 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764619388] [2019-10-22 08:58:43,022 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:43,022 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:43,022 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496506762] [2019-10-22 08:58:43,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:43,024 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:43,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:43,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:43,024 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 3 states. [2019-10-22 08:58:43,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:43,033 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2019-10-22 08:58:43,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:43,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 08:58:43,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:43,035 INFO L225 Difference]: With dead ends: 57 [2019-10-22 08:58:43,035 INFO L226 Difference]: Without dead ends: 29 [2019-10-22 08:58:43,036 INFO L600 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 [2019-10-22 08:58:43,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-10-22 08:58:43,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-10-22 08:58:43,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-10-22 08:58:43,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-10-22 08:58:43,043 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2019-10-22 08:58:43,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:43,043 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-10-22 08:58:43,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:43,044 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-10-22 08:58:43,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:58:43,044 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:43,044 INFO L380 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] [2019-10-22 08:58:43,044 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:43,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:43,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1355159705, now seen corresponding path program 1 times [2019-10-22 08:58:43,045 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:43,045 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447329902] [2019-10-22 08:58:43,045 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:43,045 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:43,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:43,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:43,158 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447329902] [2019-10-22 08:58:43,158 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:43,159 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:43,159 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114997715] [2019-10-22 08:58:43,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:43,159 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:43,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:43,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:43,160 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2019-10-22 08:58:43,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:43,287 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2019-10-22 08:58:43,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:58:43,288 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 08:58:43,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:43,289 INFO L225 Difference]: With dead ends: 112 [2019-10-22 08:58:43,289 INFO L226 Difference]: Without dead ends: 90 [2019-10-22 08:58:43,289 INFO L600 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 [2019-10-22 08:58:43,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-22 08:58:43,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2019-10-22 08:58:43,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-10-22 08:58:43,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-10-22 08:58:43,303 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2019-10-22 08:58:43,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:43,304 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-10-22 08:58:43,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:43,304 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-10-22 08:58:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:58:43,304 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:43,305 INFO L380 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] [2019-10-22 08:58:43,305 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:43,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:43,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1689469663, now seen corresponding path program 1 times [2019-10-22 08:58:43,305 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:43,305 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903496842] [2019-10-22 08:58:43,306 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:43,306 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:43,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:43,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:43,407 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903496842] [2019-10-22 08:58:43,407 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:43,407 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:43,407 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954859446] [2019-10-22 08:58:43,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:43,408 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:43,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:43,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:43,408 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2019-10-22 08:58:43,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:43,472 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2019-10-22 08:58:43,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:58:43,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 08:58:43,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:43,473 INFO L225 Difference]: With dead ends: 132 [2019-10-22 08:58:43,473 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:58:43,474 INFO L600 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 [2019-10-22 08:58:43,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:58:43,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:58:43,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:58:43,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:58:43,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-22 08:58:43,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:43,475 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:43,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:43,475 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:43,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:58:43,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:58:43,618 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 392) no Hoare annotation was computed. [2019-10-22 08:58:43,618 INFO L443 ceAbstractionStarter]: For program point L382-2(lines 382 392) no Hoare annotation was computed. [2019-10-22 08:58:43,618 INFO L443 ceAbstractionStarter]: For program point L382-4(lines 382 392) no Hoare annotation was computed. [2019-10-22 08:58:43,618 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 389) no Hoare annotation was computed. [2019-10-22 08:58:43,618 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:58:43,618 INFO L443 ceAbstractionStarter]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2019-10-22 08:58:43,618 INFO L443 ceAbstractionStarter]: For program point L383-4(lines 383 389) no Hoare annotation was computed. [2019-10-22 08:58:43,619 INFO L439 ceAbstractionStarter]: At program point L367(lines 362 369) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:43,619 INFO L443 ceAbstractionStarter]: For program point L797(lines 797 801) no Hoare annotation was computed. [2019-10-22 08:58:43,619 INFO L443 ceAbstractionStarter]: For program point L170(lines 169 214) no Hoare annotation was computed. [2019-10-22 08:58:43,619 INFO L443 ceAbstractionStarter]: For program point L171(lines 171 175) no Hoare annotation was computed. [2019-10-22 08:58:43,619 INFO L439 ceAbstractionStarter]: At program point L56(lines 55 74) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:43,619 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 56 62) no Hoare annotation was computed. [2019-10-22 08:58:43,619 INFO L439 ceAbstractionStarter]: At program point L56-2(lines 55 74) the Hoare annotation is: false [2019-10-22 08:58:43,619 INFO L439 ceAbstractionStarter]: At program point L56-3(lines 55 74) the Hoare annotation is: false [2019-10-22 08:58:43,620 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 209) no Hoare annotation was computed. [2019-10-22 08:58:43,620 INFO L443 ceAbstractionStarter]: For program point L205-2(lines 56 62) no Hoare annotation was computed. [2019-10-22 08:58:43,620 INFO L439 ceAbstractionStarter]: At program point L321(lines 317 323) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:43,620 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 195) no Hoare annotation was computed. [2019-10-22 08:58:43,620 INFO L439 ceAbstractionStarter]: At program point L189-1(lines 189 195) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:43,620 INFO L446 ceAbstractionStarter]: At program point L355(lines 336 358) the Hoare annotation is: true [2019-10-22 08:58:43,620 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:58:43,620 INFO L443 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2019-10-22 08:58:43,620 INFO L443 ceAbstractionStarter]: For program point L851-1(line 851) no Hoare annotation was computed. [2019-10-22 08:58:43,621 INFO L443 ceAbstractionStarter]: For program point L785(lines 785 789) no Hoare annotation was computed. [2019-10-22 08:58:43,621 INFO L443 ceAbstractionStarter]: For program point L851-2(line 851) no Hoare annotation was computed. [2019-10-22 08:58:43,621 INFO L439 ceAbstractionStarter]: At program point L273-2(lines 273 287) the Hoare annotation is: false [2019-10-22 08:58:43,621 INFO L439 ceAbstractionStarter]: At program point L257(lines 252 260) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:43,621 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-10-22 08:58:43,621 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:58:43,621 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 851) no Hoare annotation was computed. [2019-10-22 08:58:43,621 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2019-10-22 08:58:43,622 INFO L443 ceAbstractionStarter]: For program point L277-1(lines 56 62) no Hoare annotation was computed. [2019-10-22 08:58:43,622 INFO L443 ceAbstractionStarter]: For program point L773(lines 773 777) no Hoare annotation was computed. [2019-10-22 08:58:43,622 INFO L443 ceAbstractionStarter]: For program point L773-3(lines 773 777) no Hoare annotation was computed. [2019-10-22 08:58:43,622 INFO L439 ceAbstractionStarter]: At program point L63(lines 63 69) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:43,622 INFO L443 ceAbstractionStarter]: For program point L773-6(lines 773 777) no Hoare annotation was computed. [2019-10-22 08:58:43,622 INFO L439 ceAbstractionStarter]: At program point L63-1(lines 63 69) the Hoare annotation is: false [2019-10-22 08:58:43,622 INFO L439 ceAbstractionStarter]: At program point L63-2(lines 63 69) the Hoare annotation is: false [2019-10-22 08:58:43,622 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2019-10-22 08:58:43,622 INFO L439 ceAbstractionStarter]: At program point L179-1(lines 179 185) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:43,623 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-10-22 08:58:43,623 INFO L439 ceAbstractionStarter]: At program point L378-1(lines 1 854) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:43,623 INFO L443 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-10-22 08:58:43,623 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 851) no Hoare annotation was computed. [2019-10-22 08:58:43,623 INFO L439 ceAbstractionStarter]: At program point L378-3(lines 1 854) the Hoare annotation is: false [2019-10-22 08:58:43,623 INFO L443 ceAbstractionStarter]: For program point L378-4(lines 378 395) no Hoare annotation was computed. [2019-10-22 08:58:43,623 INFO L439 ceAbstractionStarter]: At program point L378-5(lines 1 854) the Hoare annotation is: false [2019-10-22 08:58:43,623 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:58:43,623 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 353) no Hoare annotation was computed. [2019-10-22 08:58:43,624 INFO L446 ceAbstractionStarter]: At program point L346-1(lines 346 353) the Hoare annotation is: true [2019-10-22 08:58:43,624 INFO L439 ceAbstractionStarter]: At program point L115(lines 110 118) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:43,624 INFO L439 ceAbstractionStarter]: At program point L115-1(lines 110 118) the Hoare annotation is: false [2019-10-22 08:58:43,624 INFO L439 ceAbstractionStarter]: At program point L115-2(lines 110 118) the Hoare annotation is: false [2019-10-22 08:58:43,624 INFO L439 ceAbstractionStarter]: At program point L215(lines 168 216) the Hoare annotation is: false [2019-10-22 08:58:43,624 INFO L439 ceAbstractionStarter]: At program point L810(lines 805 813) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:43,624 INFO L439 ceAbstractionStarter]: At program point L810-1(lines 805 813) the Hoare annotation is: false [2019-10-22 08:58:43,624 INFO L439 ceAbstractionStarter]: At program point L810-2(lines 805 813) the Hoare annotation is: false [2019-10-22 08:58:43,624 INFO L443 ceAbstractionStarter]: For program point L199(lines 199 210) no Hoare annotation was computed. [2019-10-22 08:58:43,625 INFO L439 ceAbstractionStarter]: At program point L249(lines 1 854) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:43,625 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 851) no Hoare annotation was computed. [2019-10-22 08:58:43,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:43 BoogieIcfgContainer [2019-10-22 08:58:43,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:43,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:43,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:43,638 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:43,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:42" (3/4) ... [2019-10-22 08:58:43,641 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:58:43,653 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:58:43,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 08:58:43,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:58:43,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 08:58:43,655 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:58:43,655 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:58:43,678 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:58:43,715 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_226413b1-19f7-42b9-ba5a-e31c5344c0c9/bin/uautomizer/witness.graphml [2019-10-22 08:58:43,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:43,717 INFO L168 Benchmark]: Toolchain (without parser) took 2582.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 944.5 MB in the beginning and 1.0 GB in the end (delta: -66.2 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:43,717 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:43,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -230.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:43,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:43,718 INFO L168 Benchmark]: Boogie Preprocessor took 31.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:43,719 INFO L168 Benchmark]: RCFGBuilder took 687.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:43,719 INFO L168 Benchmark]: TraceAbstraction took 1129.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.8 MB). Peak memory consumption was 91.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:43,719 INFO L168 Benchmark]: Witness Printer took 77.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:43,721 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 597.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -230.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 687.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1129.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.8 MB). Peak memory consumption was 91.8 MB. Max. memory is 11.5 GB. * Witness Printer took 77.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 851]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 851]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 851]: 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: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 3 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 231 SDtfs, 205 SDslu, 241 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 60 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...