./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.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/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/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 b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:21:06,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:21:06,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:21:06,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:21:06,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:21:06,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:21:06,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:21:06,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:21:06,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:21:06,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:21:06,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:21:06,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:21:06,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:21:06,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:21:06,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:21:06,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:21:06,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:21:06,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:21:06,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:21:06,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:21:06,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:21:06,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:21:06,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:21:06,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:21:06,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:21:06,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:21:06,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:21:06,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:21:06,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:21:06,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:21:06,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:21:06,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:21:06,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:21:06,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:21:06,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:21:06,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:21:06,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:21:06,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:21:06,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:21:06,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:21:06,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:21:06,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:21:06,812 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:21:06,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:21:06,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:21:06,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:21:06,822 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:21:06,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:21:06,822 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:21:06,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:21:06,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:21:06,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:21:06,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:21:06,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:21:06,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:21:06,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:21:06,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:21:06,824 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:21:06,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:21:06,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:21:06,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:21:06,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:21:06,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:21:06,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:21:06,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:21:06,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:21:06,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:21:06,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:21:06,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:21:06,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:21:06,826 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/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/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 -> b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c [2019-11-15 22:21:06,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:21:06,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:21:06,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:21:06,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:21:06,871 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:21:06,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2019-11-15 22:21:06,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/bin/uautomizer/data/f938e77d3/ec78481c1ae9421aa2877e4243d12885/FLAGbb86ccec5 [2019-11-15 22:21:07,389 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:21:07,401 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2019-11-15 22:21:07,414 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/bin/uautomizer/data/f938e77d3/ec78481c1ae9421aa2877e4243d12885/FLAGbb86ccec5 [2019-11-15 22:21:07,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/bin/uautomizer/data/f938e77d3/ec78481c1ae9421aa2877e4243d12885 [2019-11-15 22:21:07,656 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:21:07,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:21:07,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:21:07,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:21:07,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:21:07,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:21:07" (1/1) ... [2019-11-15 22:21:07,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f55c3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:07, skipping insertion in model container [2019-11-15 22:21:07,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:21:07" (1/1) ... [2019-11-15 22:21:07,675 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:21:07,743 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:21:08,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:21:08,170 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:21:08,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:21:08,325 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:21:08,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:08 WrapperNode [2019-11-15 22:21:08,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:21:08,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:21:08,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:21:08,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:21:08,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:08" (1/1) ... [2019-11-15 22:21:08,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:08" (1/1) ... [2019-11-15 22:21:08,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:21:08,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:21:08,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:21:08,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:21:08,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:08" (1/1) ... [2019-11-15 22:21:08,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:08" (1/1) ... [2019-11-15 22:21:08,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:08" (1/1) ... [2019-11-15 22:21:08,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:08" (1/1) ... [2019-11-15 22:21:08,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:08" (1/1) ... [2019-11-15 22:21:08,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:08" (1/1) ... [2019-11-15 22:21:08,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:08" (1/1) ... [2019-11-15 22:21:08,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:21:08,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:21:08,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:21:08,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:21:08,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/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 [2019-11-15 22:21:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:21:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 22:21:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:21:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:21:09,438 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:21:09,438 INFO L284 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-15 22:21:09,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:21:09 BoogieIcfgContainer [2019-11-15 22:21:09,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:21:09,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:21:09,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:21:09,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:21:09,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:21:07" (1/3) ... [2019-11-15 22:21:09,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f79d251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:21:09, skipping insertion in model container [2019-11-15 22:21:09,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:08" (2/3) ... [2019-11-15 22:21:09,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f79d251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:21:09, skipping insertion in model container [2019-11-15 22:21:09,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:21:09" (3/3) ... [2019-11-15 22:21:09,449 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2019-11-15 22:21:09,458 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:21:09,466 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-15 22:21:09,476 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-15 22:21:09,500 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:21:09,500 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:21:09,500 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:21:09,501 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:21:09,501 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:21:09,502 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:21:09,502 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:21:09,502 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:21:09,526 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-11-15 22:21:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-15 22:21:09,532 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:21:09,533 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:21:09,534 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:21:09,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:21:09,539 INFO L82 PathProgramCache]: Analyzing trace with hash 631358255, now seen corresponding path program 1 times [2019-11-15 22:21:09,545 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:21:09,545 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679238076] [2019-11-15 22:21:09,545 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:21:09,545 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:21:09,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:21:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:21:09,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:21:09,752 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679238076] [2019-11-15 22:21:09,753 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:21:09,753 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:21:09,754 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418711330] [2019-11-15 22:21:09,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 22:21:09,759 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:21:09,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 22:21:09,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:21:09,775 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-11-15 22:21:09,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:21:09,804 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2019-11-15 22:21:09,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 22:21:09,805 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-15 22:21:09,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:21:09,817 INFO L225 Difference]: With dead ends: 211 [2019-11-15 22:21:09,817 INFO L226 Difference]: Without dead ends: 105 [2019-11-15 22:21:09,820 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 [2019-11-15 22:21:09,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-15 22:21:09,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-11-15 22:21:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-15 22:21:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2019-11-15 22:21:09,864 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2019-11-15 22:21:09,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:21:09,865 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2019-11-15 22:21:09,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 22:21:09,865 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2019-11-15 22:21:09,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 22:21:09,867 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:21:09,867 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:21:09,867 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:21:09,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:21:09,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1546440637, now seen corresponding path program 1 times [2019-11-15 22:21:09,868 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:21:09,868 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267222571] [2019-11-15 22:21:09,868 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:21:09,868 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:21:09,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:21:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:21:09,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:21:09,961 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267222571] [2019-11-15 22:21:09,962 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:21:09,962 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:21:09,962 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621871851] [2019-11-15 22:21:09,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:21:09,964 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:21:09,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:21:09,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:21:09,965 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 3 states. [2019-11-15 22:21:09,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:21:09,983 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2019-11-15 22:21:09,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:21:09,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-15 22:21:09,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:21:09,988 INFO L225 Difference]: With dead ends: 105 [2019-11-15 22:21:09,989 INFO L226 Difference]: Without dead ends: 45 [2019-11-15 22:21:09,990 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 [2019-11-15 22:21:09,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-15 22:21:09,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-11-15 22:21:09,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-15 22:21:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-11-15 22:21:09,996 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2019-11-15 22:21:09,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:21:09,996 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-11-15 22:21:09,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:21:09,996 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-11-15 22:21:09,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-15 22:21:09,997 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:21:09,998 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] [2019-11-15 22:21:09,998 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:21:09,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:21:09,998 INFO L82 PathProgramCache]: Analyzing trace with hash -2132184394, now seen corresponding path program 1 times [2019-11-15 22:21:09,999 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:21:09,999 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859120269] [2019-11-15 22:21:09,999 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:21:09,999 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:21:10,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:21:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:21:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:21:10,107 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859120269] [2019-11-15 22:21:10,107 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:21:10,108 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:21:10,108 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100803890] [2019-11-15 22:21:10,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:21:10,108 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:21:10,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:21:10,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:21:10,109 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 6 states. [2019-11-15 22:21:10,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:21:10,208 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2019-11-15 22:21:10,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:21:10,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-15 22:21:10,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:21:10,210 INFO L225 Difference]: With dead ends: 83 [2019-11-15 22:21:10,210 INFO L226 Difference]: Without dead ends: 45 [2019-11-15 22:21:10,210 INFO L600 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 [2019-11-15 22:21:10,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-15 22:21:10,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-11-15 22:21:10,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-15 22:21:10,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2019-11-15 22:21:10,217 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2019-11-15 22:21:10,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:21:10,218 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2019-11-15 22:21:10,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:21:10,218 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2019-11-15 22:21:10,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 22:21:10,219 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:21:10,219 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, 1] [2019-11-15 22:21:10,220 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:21:10,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:21:10,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1437786744, now seen corresponding path program 1 times [2019-11-15 22:21:10,220 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:21:10,220 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313114140] [2019-11-15 22:21:10,221 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:21:10,221 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:21:10,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:21:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:21:10,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:21:10,331 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313114140] [2019-11-15 22:21:10,331 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:21:10,331 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:21:10,331 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095750464] [2019-11-15 22:21:10,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:21:10,332 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:21:10,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:21:10,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:21:10,333 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2019-11-15 22:21:10,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:21:10,544 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2019-11-15 22:21:10,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 22:21:10,553 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-15 22:21:10,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:21:10,555 INFO L225 Difference]: With dead ends: 207 [2019-11-15 22:21:10,555 INFO L226 Difference]: Without dead ends: 169 [2019-11-15 22:21:10,556 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 [2019-11-15 22:21:10,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-15 22:21:10,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2019-11-15 22:21:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-15 22:21:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2019-11-15 22:21:10,580 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2019-11-15 22:21:10,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:21:10,581 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2019-11-15 22:21:10,581 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:21:10,581 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2019-11-15 22:21:10,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-15 22:21:10,583 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:21:10,583 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, 1, 1] [2019-11-15 22:21:10,584 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:21:10,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:21:10,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1841086480, now seen corresponding path program 1 times [2019-11-15 22:21:10,584 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:21:10,584 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901250889] [2019-11-15 22:21:10,585 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:21:10,585 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:21:10,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:21:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:21:10,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:21:10,673 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901250889] [2019-11-15 22:21:10,673 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:21:10,673 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:21:10,673 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878799892] [2019-11-15 22:21:10,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:21:10,674 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:21:10,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:21:10,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:21:10,675 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2019-11-15 22:21:10,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:21:10,743 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2019-11-15 22:21:10,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:21:10,744 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-15 22:21:10,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:21:10,745 INFO L225 Difference]: With dead ends: 176 [2019-11-15 22:21:10,745 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:21:10,746 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 [2019-11-15 22:21:10,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:21:10,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:21:10,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:21:10,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:21:10,747 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-11-15 22:21:10,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:21:10,748 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:21:10,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:21:10,748 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:21:10,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:21:10,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 22:21:11,084 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 748) no Hoare annotation was computed. [2019-11-15 22:21:11,085 INFO L443 ceAbstractionStarter]: For program point L731-1(lines 731 748) no Hoare annotation was computed. [2019-11-15 22:21:11,085 INFO L443 ceAbstractionStarter]: For program point L731-2(lines 731 748) no Hoare annotation was computed. [2019-11-15 22:21:11,085 INFO L443 ceAbstractionStarter]: For program point L731-3(lines 731 748) no Hoare annotation was computed. [2019-11-15 22:21:11,085 INFO L443 ceAbstractionStarter]: For program point L731-4(lines 731 748) no Hoare annotation was computed. [2019-11-15 22:21:11,085 INFO L443 ceAbstractionStarter]: For program point L731-5(lines 731 748) no Hoare annotation was computed. [2019-11-15 22:21:11,086 INFO L439 ceAbstractionStarter]: At program point L699(lines 698 717) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:21:11,086 INFO L443 ceAbstractionStarter]: For program point L699-1(lines 699 705) no Hoare annotation was computed. [2019-11-15 22:21:11,086 INFO L439 ceAbstractionStarter]: At program point L699-2(lines 698 717) the Hoare annotation is: false [2019-11-15 22:21:11,086 INFO L439 ceAbstractionStarter]: At program point L600(lines 595 603) the Hoare annotation is: false [2019-11-15 22:21:11,086 INFO L439 ceAbstractionStarter]: At program point L699-3(lines 698 717) the Hoare annotation is: false [2019-11-15 22:21:11,086 INFO L439 ceAbstractionStarter]: At program point L600-1(lines 595 603) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:21:11,087 INFO L439 ceAbstractionStarter]: At program point L600-2(lines 595 603) the Hoare annotation is: false [2019-11-15 22:21:11,087 INFO L439 ceAbstractionStarter]: At program point L600-3(lines 595 603) the Hoare annotation is: false [2019-11-15 22:21:11,087 INFO L439 ceAbstractionStarter]: At program point L600-4(lines 595 603) the Hoare annotation is: false [2019-11-15 22:21:11,087 INFO L439 ceAbstractionStarter]: At program point L600-5(lines 595 603) the Hoare annotation is: false [2019-11-15 22:21:11,087 INFO L439 ceAbstractionStarter]: At program point L865(lines 850 868) the Hoare annotation is: false [2019-11-15 22:21:11,087 INFO L439 ceAbstractionStarter]: At program point L865-1(lines 850 868) the Hoare annotation is: false [2019-11-15 22:21:11,087 INFO L439 ceAbstractionStarter]: At program point L865-2(lines 850 868) the Hoare annotation is: false [2019-11-15 22:21:11,088 INFO L439 ceAbstractionStarter]: At program point L865-3(lines 850 868) the Hoare annotation is: false [2019-11-15 22:21:11,088 INFO L439 ceAbstractionStarter]: At program point L865-4(lines 850 868) the Hoare annotation is: false [2019-11-15 22:21:11,088 INFO L439 ceAbstractionStarter]: At program point L865-5(lines 850 868) the Hoare annotation is: false [2019-11-15 22:21:11,088 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 906) no Hoare annotation was computed. [2019-11-15 22:21:11,088 INFO L439 ceAbstractionStarter]: At program point L900-1(lines 900 906) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:21:11,088 INFO L439 ceAbstractionStarter]: At program point L801(lines 794 804) the Hoare annotation is: false [2019-11-15 22:21:11,088 INFO L439 ceAbstractionStarter]: At program point L801-1(lines 794 804) the Hoare annotation is: false [2019-11-15 22:21:11,089 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 743) no Hoare annotation was computed. [2019-11-15 22:21:11,089 INFO L439 ceAbstractionStarter]: At program point L801-2(lines 794 804) the Hoare annotation is: false [2019-11-15 22:21:11,089 INFO L443 ceAbstractionStarter]: For program point L735-1(lines 735 743) no Hoare annotation was computed. [2019-11-15 22:21:11,089 INFO L443 ceAbstractionStarter]: For program point L735-2(lines 735 743) no Hoare annotation was computed. [2019-11-15 22:21:11,089 INFO L443 ceAbstractionStarter]: For program point L735-3(lines 735 743) no Hoare annotation was computed. [2019-11-15 22:21:11,089 INFO L443 ceAbstractionStarter]: For program point L735-4(lines 735 743) no Hoare annotation was computed. [2019-11-15 22:21:11,089 INFO L443 ceAbstractionStarter]: For program point L735-5(lines 735 743) no Hoare annotation was computed. [2019-11-15 22:21:11,090 INFO L443 ceAbstractionStarter]: For program point L539(lines 539 546) no Hoare annotation was computed. [2019-11-15 22:21:11,090 INFO L446 ceAbstractionStarter]: At program point L539-1(lines 539 546) the Hoare annotation is: true [2019-11-15 22:21:11,090 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2019-11-15 22:21:11,090 INFO L439 ceAbstractionStarter]: At program point L706(lines 706 712) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:21:11,090 INFO L439 ceAbstractionStarter]: At program point L706-1(lines 706 712) the Hoare annotation is: false [2019-11-15 22:21:11,090 INFO L439 ceAbstractionStarter]: At program point L706-2(lines 706 712) the Hoare annotation is: false [2019-11-15 22:21:11,091 INFO L439 ceAbstractionStarter]: At program point L641(lines 636 644) the Hoare annotation is: false [2019-11-15 22:21:11,091 INFO L439 ceAbstractionStarter]: At program point L641-1(lines 636 644) the Hoare annotation is: false [2019-11-15 22:21:11,091 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 579) no Hoare annotation was computed. [2019-11-15 22:21:11,091 INFO L439 ceAbstractionStarter]: At program point L641-2(lines 636 644) the Hoare annotation is: false [2019-11-15 22:21:11,091 INFO L439 ceAbstractionStarter]: At program point L641-3(lines 636 644) the Hoare annotation is: false [2019-11-15 22:21:11,091 INFO L439 ceAbstractionStarter]: At program point L641-4(lines 636 644) the Hoare annotation is: false [2019-11-15 22:21:11,092 INFO L439 ceAbstractionStarter]: At program point L641-5(lines 636 644) the Hoare annotation is: false [2019-11-15 22:21:11,092 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2019-11-15 22:21:11,092 INFO L439 ceAbstractionStarter]: At program point L511(lines 507 513) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-15 22:21:11,095 INFO L439 ceAbstractionStarter]: At program point L677(lines 1 933) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-15 22:21:11,095 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2019-11-15 22:21:11,095 INFO L439 ceAbstractionStarter]: At program point L810(lines 805 813) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:21:11,096 INFO L439 ceAbstractionStarter]: At program point L810-1(lines 805 813) the Hoare annotation is: false [2019-11-15 22:21:11,096 INFO L439 ceAbstractionStarter]: At program point L810-2(lines 805 813) the Hoare annotation is: false [2019-11-15 22:21:11,096 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 921) no Hoare annotation was computed. [2019-11-15 22:21:11,096 INFO L439 ceAbstractionStarter]: At program point L415(lines 410 417) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-15 22:21:11,096 INFO L446 ceAbstractionStarter]: At program point L548(lines 529 551) the Hoare annotation is: true [2019-11-15 22:21:11,097 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 22:21:11,097 INFO L443 ceAbstractionStarter]: For program point L881(lines 880 925) no Hoare annotation was computed. [2019-11-15 22:21:11,097 INFO L443 ceAbstractionStarter]: For program point L650(line 650) no Hoare annotation was computed. [2019-11-15 22:21:11,097 INFO L443 ceAbstractionStarter]: For program point L650-1(line 650) no Hoare annotation was computed. [2019-11-15 22:21:11,097 INFO L443 ceAbstractionStarter]: For program point L650-2(line 650) no Hoare annotation was computed. [2019-11-15 22:21:11,098 INFO L443 ceAbstractionStarter]: For program point L882(lines 882 886) no Hoare annotation was computed. [2019-11-15 22:21:11,098 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 920) no Hoare annotation was computed. [2019-11-15 22:21:11,098 INFO L443 ceAbstractionStarter]: For program point L916-2(lines 699 705) no Hoare annotation was computed. [2019-11-15 22:21:11,098 INFO L439 ceAbstractionStarter]: At program point L685(lines 680 688) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-15 22:21:11,098 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 22:21:11,099 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2019-11-15 22:21:11,099 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 22:21:11,099 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 443) no Hoare annotation was computed. [2019-11-15 22:21:11,099 INFO L439 ceAbstractionStarter]: At program point L426-1(lines 1 933) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:21:11,100 INFO L443 ceAbstractionStarter]: For program point L426-2(lines 426 443) no Hoare annotation was computed. [2019-11-15 22:21:11,100 INFO L439 ceAbstractionStarter]: At program point L426-3(lines 1 933) the Hoare annotation is: false [2019-11-15 22:21:11,100 INFO L443 ceAbstractionStarter]: For program point L426-4(lines 426 443) no Hoare annotation was computed. [2019-11-15 22:21:11,101 INFO L439 ceAbstractionStarter]: At program point L426-5(lines 1 933) the Hoare annotation is: false [2019-11-15 22:21:11,101 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 774) no Hoare annotation was computed. [2019-11-15 22:21:11,101 INFO L443 ceAbstractionStarter]: For program point L757-1(lines 757 774) no Hoare annotation was computed. [2019-11-15 22:21:11,101 INFO L443 ceAbstractionStarter]: For program point L757-2(lines 757 774) no Hoare annotation was computed. [2019-11-15 22:21:11,101 INFO L439 ceAbstractionStarter]: At program point L460-2(lines 460 474) the Hoare annotation is: false [2019-11-15 22:21:11,102 INFO L443 ceAbstractionStarter]: For program point L890(lines 890 896) no Hoare annotation was computed. [2019-11-15 22:21:11,102 INFO L439 ceAbstractionStarter]: At program point L890-1(lines 890 896) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:21:11,102 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-15 22:21:11,102 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 22:21:11,102 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 863) no Hoare annotation was computed. [2019-11-15 22:21:11,103 INFO L443 ceAbstractionStarter]: For program point L859-2(lines 859 863) no Hoare annotation was computed. [2019-11-15 22:21:11,103 INFO L443 ceAbstractionStarter]: For program point L859-3(lines 859 863) no Hoare annotation was computed. [2019-11-15 22:21:11,103 INFO L443 ceAbstractionStarter]: For program point L859-5(lines 859 863) no Hoare annotation was computed. [2019-11-15 22:21:11,103 INFO L443 ceAbstractionStarter]: For program point L859-6(lines 859 863) no Hoare annotation was computed. [2019-11-15 22:21:11,103 INFO L443 ceAbstractionStarter]: For program point L859-8(lines 859 863) no Hoare annotation was computed. [2019-11-15 22:21:11,104 INFO L443 ceAbstractionStarter]: For program point L859-9(lines 859 863) no Hoare annotation was computed. [2019-11-15 22:21:11,104 INFO L443 ceAbstractionStarter]: For program point L859-11(lines 859 863) no Hoare annotation was computed. [2019-11-15 22:21:11,104 INFO L443 ceAbstractionStarter]: For program point L859-12(lines 859 863) no Hoare annotation was computed. [2019-11-15 22:21:11,104 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 440) no Hoare annotation was computed. [2019-11-15 22:21:11,104 INFO L443 ceAbstractionStarter]: For program point L859-14(lines 859 863) no Hoare annotation was computed. [2019-11-15 22:21:11,105 INFO L443 ceAbstractionStarter]: For program point L430-2(lines 430 440) no Hoare annotation was computed. [2019-11-15 22:21:11,105 INFO L443 ceAbstractionStarter]: For program point L859-15(lines 859 863) no Hoare annotation was computed. [2019-11-15 22:21:11,105 INFO L443 ceAbstractionStarter]: For program point L859-17(lines 859 863) no Hoare annotation was computed. [2019-11-15 22:21:11,106 INFO L443 ceAbstractionStarter]: For program point L430-4(lines 430 440) no Hoare annotation was computed. [2019-11-15 22:21:11,106 INFO L439 ceAbstractionStarter]: At program point L926(lines 879 927) the Hoare annotation is: false [2019-11-15 22:21:11,106 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 769) no Hoare annotation was computed. [2019-11-15 22:21:11,106 INFO L443 ceAbstractionStarter]: For program point L761-1(lines 761 769) no Hoare annotation was computed. [2019-11-15 22:21:11,106 INFO L443 ceAbstractionStarter]: For program point L761-2(lines 761 769) no Hoare annotation was computed. [2019-11-15 22:21:11,107 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 567) no Hoare annotation was computed. [2019-11-15 22:21:11,107 INFO L443 ceAbstractionStarter]: For program point L563-3(lines 563 567) no Hoare annotation was computed. [2019-11-15 22:21:11,107 INFO L443 ceAbstractionStarter]: For program point L464(lines 464 468) no Hoare annotation was computed. [2019-11-15 22:21:11,107 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 437) no Hoare annotation was computed. [2019-11-15 22:21:11,107 INFO L443 ceAbstractionStarter]: For program point L464-1(lines 699 705) no Hoare annotation was computed. [2019-11-15 22:21:11,108 INFO L443 ceAbstractionStarter]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2019-11-15 22:21:11,108 INFO L443 ceAbstractionStarter]: For program point L563-6(lines 563 567) no Hoare annotation was computed. [2019-11-15 22:21:11,108 INFO L443 ceAbstractionStarter]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2019-11-15 22:21:11,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:21:11 BoogieIcfgContainer [2019-11-15 22:21:11,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:21:11,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:21:11,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:21:11,152 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:21:11,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:21:09" (3/4) ... [2019-11-15 22:21:11,156 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 22:21:11,190 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-15 22:21:11,192 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-15 22:21:11,193 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-15 22:21:11,194 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 22:21:11,195 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 22:21:11,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-15 22:21:11,229 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-11-15 22:21:11,229 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-11-15 22:21:11,229 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-11-15 22:21:11,230 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-15 22:21:11,230 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-15 22:21:11,231 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-15 22:21:11,231 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-15 22:21:11,232 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-15 22:21:11,233 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-15 22:21:11,235 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-15 22:21:11,314 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_db8db7e0-0d8f-44de-97d9-aa02196fdb1a/bin/uautomizer/witness.graphml [2019-11-15 22:21:11,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:21:11,317 INFO L168 Benchmark]: Toolchain (without parser) took 3659.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 939.4 MB in the beginning and 887.1 MB in the end (delta: 52.4 MB). Peak memory consumption was 178.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:21:11,317 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:21:11,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:21:11,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:21:11,318 INFO L168 Benchmark]: Boogie Preprocessor took 81.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:21:11,319 INFO L168 Benchmark]: RCFGBuilder took 943.09 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: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:21:11,319 INFO L168 Benchmark]: TraceAbstraction took 1709.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 897.8 MB in the end (delta: 140.5 MB). Peak memory consumption was 140.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:21:11,320 INFO L168 Benchmark]: Witness Printer took 163.72 ms. Allocated memory is still 1.2 GB. Free memory was 897.8 MB in the beginning and 887.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:21:11,322 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 667.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 943.09 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: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1709.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 897.8 MB in the end (delta: 140.5 MB). Peak memory consumption was 140.5 MB. Max. memory is 11.5 GB. * Witness Printer took 163.72 ms. Allocated memory is still 1.2 GB. Free memory was 897.8 MB in the beginning and 887.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 650]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 650]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 650]: 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: 529]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 427 SDtfs, 558 SDslu, 365 SDs, 0 SdLazy, 67 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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=109occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 78 NumberOfFragments, 202 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1533 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5825 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...