./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fc77a172-76fa-44bc-be3d-c0cff5a8df25/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fc77a172-76fa-44bc-be3d-c0cff5a8df25/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fc77a172-76fa-44bc-be3d-c0cff5a8df25/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fc77a172-76fa-44bc-be3d-c0cff5a8df25/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fc77a172-76fa-44bc-be3d-c0cff5a8df25/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fc77a172-76fa-44bc-be3d-c0cff5a8df25/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 94f4a1e9ea07f337cfe109f71c75c9357897e0ec ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:42:21,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:42:21,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:42:21,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:42:21,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:42:21,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:42:21,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:42:21,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:42:21,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:42:21,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:42:21,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:42:21,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:42:21,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:42:21,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:42:21,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:42:22,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:42:22,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:42:22,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:42:22,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:42:22,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:42:22,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:42:22,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:42:22,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:42:22,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:42:22,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:42:22,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:42:22,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:42:22,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:42:22,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:42:22,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:42:22,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:42:22,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:42:22,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:42:22,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:42:22,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:42:22,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:42:22,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:42:22,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:42:22,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:42:22,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:42:22,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:42:22,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fc77a172-76fa-44bc-be3d-c0cff5a8df25/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:42:22,079 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:42:22,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:42:22,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:42:22,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:42:22,081 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:42:22,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:42:22,082 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:42:22,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:42:22,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:42:22,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:42:22,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:42:22,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:42:22,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:42:22,083 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:42:22,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:42:22,084 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:42:22,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:42:22,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:42:22,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:42:22,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:42:22,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:42:22,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:42:22,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:42:22,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:42:22,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:42:22,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:42:22,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:42:22,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:42:22,087 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_fc77a172-76fa-44bc-be3d-c0cff5a8df25/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 -> 94f4a1e9ea07f337cfe109f71c75c9357897e0ec [2019-11-20 10:42:22,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:42:22,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:42:22,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:42:22,271 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:42:22,272 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:42:22,273 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fc77a172-76fa-44bc-be3d-c0cff5a8df25/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2019-11-20 10:42:22,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc77a172-76fa-44bc-be3d-c0cff5a8df25/bin/uautomizer/data/942691a96/a7df79069a4e4e5cadac24c0a43dcaf3/FLAGfa452c24e [2019-11-20 10:42:22,784 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:42:22,788 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fc77a172-76fa-44bc-be3d-c0cff5a8df25/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2019-11-20 10:42:22,801 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc77a172-76fa-44bc-be3d-c0cff5a8df25/bin/uautomizer/data/942691a96/a7df79069a4e4e5cadac24c0a43dcaf3/FLAGfa452c24e [2019-11-20 10:42:23,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fc77a172-76fa-44bc-be3d-c0cff5a8df25/bin/uautomizer/data/942691a96/a7df79069a4e4e5cadac24c0a43dcaf3 [2019-11-20 10:42:23,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:42:23,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:42:23,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:42:23,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:42:23,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:42:23,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:42:23" (1/1) ... [2019-11-20 10:42:23,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784cde6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:23, skipping insertion in model container [2019-11-20 10:42:23,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:42:23" (1/1) ... [2019-11-20 10:42:23,199 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:42:23,254 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:42:23,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:42:23,651 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:42:23,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:42:23,788 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:42:23,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:23 WrapperNode [2019-11-20 10:42:23,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:42:23,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:42:23,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:42:23,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:42:23,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:23" (1/1) ... [2019-11-20 10:42:23,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:23" (1/1) ... [2019-11-20 10:42:23,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:42:23,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:42:23,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:42:23,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:42:23,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:23" (1/1) ... [2019-11-20 10:42:23,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:23" (1/1) ... [2019-11-20 10:42:23,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:23" (1/1) ... [2019-11-20 10:42:23,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:23" (1/1) ... [2019-11-20 10:42:23,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:23" (1/1) ... [2019-11-20 10:42:23,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:23" (1/1) ... [2019-11-20 10:42:23,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:23" (1/1) ... [2019-11-20 10:42:23,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:42:23,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:42:23,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:42:23,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:42:23,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fc77a172-76fa-44bc-be3d-c0cff5a8df25/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 [2019-11-20 10:42:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:42:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 10:42:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:42:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:42:24,773 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:42:24,773 INFO L285 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-20 10:42:24,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:42:24 BoogieIcfgContainer [2019-11-20 10:42:24,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:42:24,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:42:24,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:42:24,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:42:24,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:42:23" (1/3) ... [2019-11-20 10:42:24,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7276f9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:42:24, skipping insertion in model container [2019-11-20 10:42:24,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:23" (2/3) ... [2019-11-20 10:42:24,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7276f9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:42:24, skipping insertion in model container [2019-11-20 10:42:24,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:42:24" (3/3) ... [2019-11-20 10:42:24,782 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2019-11-20 10:42:24,792 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:42:24,797 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 10:42:24,809 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 10:42:24,841 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:42:24,841 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:42:24,841 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:42:24,842 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:42:24,842 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:42:24,842 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:42:24,842 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:42:24,842 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:42:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-11-20 10:42:24,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:42:24,866 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:42:24,867 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:42:24,867 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:42:24,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:42:24,874 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2019-11-20 10:42:24,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:42:24,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884928733] [2019-11-20 10:42:24,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:42:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:25,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:25,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884928733] [2019-11-20 10:42:25,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:42:25,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:42:25,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032426822] [2019-11-20 10:42:25,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:42:25,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:42:25,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:42:25,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:42:25,236 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-11-20 10:42:25,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:42:25,262 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-11-20 10:42:25,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:42:25,264 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-20 10:42:25,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:42:25,274 INFO L225 Difference]: With dead ends: 132 [2019-11-20 10:42:25,275 INFO L226 Difference]: Without dead ends: 65 [2019-11-20 10:42:25,278 INFO L630 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 [2019-11-20 10:42:25,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-20 10:42:25,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-20 10:42:25,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-20 10:42:25,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-11-20 10:42:25,319 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-11-20 10:42:25,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:42:25,319 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-20 10:42:25,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:42:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-11-20 10:42:25,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:42:25,321 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:42:25,321 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:42:25,323 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:42:25,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:42:25,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2019-11-20 10:42:25,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:42:25,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566913693] [2019-11-20 10:42:25,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:42:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:25,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566913693] [2019-11-20 10:42:25,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:42:25,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:42:25,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228293611] [2019-11-20 10:42:25,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:42:25,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:42:25,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:42:25,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:42:25,450 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2019-11-20 10:42:25,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:42:25,460 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-11-20 10:42:25,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:42:25,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-20 10:42:25,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:42:25,461 INFO L225 Difference]: With dead ends: 65 [2019-11-20 10:42:25,461 INFO L226 Difference]: Without dead ends: 31 [2019-11-20 10:42:25,462 INFO L630 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 [2019-11-20 10:42:25,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-20 10:42:25,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-20 10:42:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-20 10:42:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-11-20 10:42:25,468 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-11-20 10:42:25,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:42:25,468 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-11-20 10:42:25,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:42:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-11-20 10:42:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 10:42:25,469 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:42:25,469 INFO L410 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] [2019-11-20 10:42:25,469 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:42:25,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:42:25,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2019-11-20 10:42:25,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:42:25,470 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022995281] [2019-11-20 10:42:25,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:42:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:25,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:25,598 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022995281] [2019-11-20 10:42:25,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:42:25,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 10:42:25,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519972813] [2019-11-20 10:42:25,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 10:42:25,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:42:25,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 10:42:25,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:42:25,600 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 6 states. [2019-11-20 10:42:25,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:42:25,783 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-11-20 10:42:25,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:42:25,784 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-20 10:42:25,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:42:25,785 INFO L225 Difference]: With dead ends: 56 [2019-11-20 10:42:25,799 INFO L226 Difference]: Without dead ends: 31 [2019-11-20 10:42:25,800 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:42:25,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-20 10:42:25,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-20 10:42:25,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-20 10:42:25,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-11-20 10:42:25,805 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-11-20 10:42:25,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:42:25,806 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-11-20 10:42:25,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 10:42:25,806 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-11-20 10:42:25,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 10:42:25,807 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:42:25,807 INFO L410 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] [2019-11-20 10:42:25,807 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:42:25,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:42:25,807 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2019-11-20 10:42:25,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:42:25,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163259277] [2019-11-20 10:42:25,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:42:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:25,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:25,888 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163259277] [2019-11-20 10:42:25,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:42:25,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 10:42:25,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304458735] [2019-11-20 10:42:25,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:42:25,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:42:25,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:42:25,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:42:25,890 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2019-11-20 10:42:26,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:42:26,033 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2019-11-20 10:42:26,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 10:42:26,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-20 10:42:26,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:42:26,038 INFO L225 Difference]: With dead ends: 132 [2019-11-20 10:42:26,038 INFO L226 Difference]: Without dead ends: 107 [2019-11-20 10:42:26,039 INFO L630 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 [2019-11-20 10:42:26,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-20 10:42:26,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2019-11-20 10:42:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-20 10:42:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2019-11-20 10:42:26,051 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2019-11-20 10:42:26,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:42:26,052 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2019-11-20 10:42:26,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:42:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2019-11-20 10:42:26,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 10:42:26,053 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:42:26,053 INFO L410 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] [2019-11-20 10:42:26,053 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:42:26,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:42:26,054 INFO L82 PathProgramCache]: Analyzing trace with hash 2028068683, now seen corresponding path program 1 times [2019-11-20 10:42:26,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:42:26,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773301598] [2019-11-20 10:42:26,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:42:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:26,113 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773301598] [2019-11-20 10:42:26,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:42:26,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 10:42:26,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142728032] [2019-11-20 10:42:26,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:42:26,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:42:26,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:42:26,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:42:26,115 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2019-11-20 10:42:26,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:42:26,196 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2019-11-20 10:42:26,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:42:26,196 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-20 10:42:26,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:42:26,197 INFO L225 Difference]: With dead ends: 144 [2019-11-20 10:42:26,197 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:42:26,198 INFO L630 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 [2019-11-20 10:42:26,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:42:26,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:42:26,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:42:26,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:42:26,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-11-20 10:42:26,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:42:26,199 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:42:26,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:42:26,199 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:42:26,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:42:26,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:42:26,444 INFO L440 ceAbstractionStarter]: At program point L861(lines 856 864) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-20 10:42:26,445 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 269) no Hoare annotation was computed. [2019-11-20 10:42:26,445 INFO L444 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-11-20 10:42:26,445 INFO L444 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-11-20 10:42:26,445 INFO L444 ceAbstractionStarter]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-11-20 10:42:26,445 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:42:26,445 INFO L444 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2019-11-20 10:42:26,445 INFO L444 ceAbstractionStarter]: For program point L714(lines 714 727) no Hoare annotation was computed. [2019-11-20 10:42:26,446 INFO L444 ceAbstractionStarter]: For program point L747-1(lines 139 145) no Hoare annotation was computed. [2019-11-20 10:42:26,446 INFO L440 ceAbstractionStarter]: At program point L714-1(lines 1 864) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-11-20 10:42:26,446 INFO L444 ceAbstractionStarter]: For program point L714-2(lines 714 727) no Hoare annotation was computed. [2019-11-20 10:42:26,446 INFO L440 ceAbstractionStarter]: At program point L714-3(lines 1 864) the Hoare annotation is: false [2019-11-20 10:42:26,446 INFO L444 ceAbstractionStarter]: For program point L714-4(lines 714 727) no Hoare annotation was computed. [2019-11-20 10:42:26,446 INFO L440 ceAbstractionStarter]: At program point L714-5(lines 1 864) the Hoare annotation is: false [2019-11-20 10:42:26,446 INFO L444 ceAbstractionStarter]: For program point L269(line 269) no Hoare annotation was computed. [2019-11-20 10:42:26,447 INFO L444 ceAbstractionStarter]: For program point L269-1(line 269) no Hoare annotation was computed. [2019-11-20 10:42:26,447 INFO L444 ceAbstractionStarter]: For program point L269-2(line 269) no Hoare annotation was computed. [2019-11-20 10:42:26,447 INFO L444 ceAbstractionStarter]: For program point L286(lines 285 330) no Hoare annotation was computed. [2019-11-20 10:42:26,447 INFO L444 ceAbstractionStarter]: For program point L171(lines 171 188) no Hoare annotation was computed. [2019-11-20 10:42:26,447 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 171 188) no Hoare annotation was computed. [2019-11-20 10:42:26,447 INFO L444 ceAbstractionStarter]: For program point L171-2(lines 171 188) no Hoare annotation was computed. [2019-11-20 10:42:26,447 INFO L444 ceAbstractionStarter]: For program point L287(lines 287 291) no Hoare annotation was computed. [2019-11-20 10:42:26,448 INFO L440 ceAbstractionStarter]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-11-20 10:42:26,448 INFO L440 ceAbstractionStarter]: At program point L89-1(lines 84 92) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-11-20 10:42:26,448 INFO L440 ceAbstractionStarter]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-11-20 10:42:26,448 INFO L440 ceAbstractionStarter]: At program point L89-3(lines 84 92) the Hoare annotation is: false [2019-11-20 10:42:26,448 INFO L440 ceAbstractionStarter]: At program point L89-4(lines 84 92) the Hoare annotation is: false [2019-11-20 10:42:26,448 INFO L440 ceAbstractionStarter]: At program point L89-5(lines 84 92) the Hoare annotation is: false [2019-11-20 10:42:26,449 INFO L440 ceAbstractionStarter]: At program point L139(lines 138 157) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-11-20 10:42:26,449 INFO L444 ceAbstractionStarter]: For program point L139-1(lines 139 145) no Hoare annotation was computed. [2019-11-20 10:42:26,449 INFO L440 ceAbstractionStarter]: At program point L139-2(lines 138 157) the Hoare annotation is: false [2019-11-20 10:42:26,449 INFO L440 ceAbstractionStarter]: At program point L139-3(lines 138 157) the Hoare annotation is: false [2019-11-20 10:42:26,449 INFO L444 ceAbstractionStarter]: For program point L321(lines 321 325) no Hoare annotation was computed. [2019-11-20 10:42:26,449 INFO L444 ceAbstractionStarter]: For program point L321-2(lines 139 145) no Hoare annotation was computed. [2019-11-20 10:42:26,449 INFO L444 ceAbstractionStarter]: For program point L817(lines 817 824) no Hoare annotation was computed. [2019-11-20 10:42:26,450 INFO L444 ceAbstractionStarter]: For program point L305(lines 305 311) no Hoare annotation was computed. [2019-11-20 10:42:26,450 INFO L440 ceAbstractionStarter]: At program point L305-1(lines 305 311) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-11-20 10:42:26,450 INFO L447 ceAbstractionStarter]: At program point L817-1(lines 817 824) the Hoare annotation is: true [2019-11-20 10:42:26,450 INFO L444 ceAbstractionStarter]: For program point L718(lines 718 724) no Hoare annotation was computed. [2019-11-20 10:42:26,450 INFO L444 ceAbstractionStarter]: For program point L718-2(lines 718 724) no Hoare annotation was computed. [2019-11-20 10:42:26,450 INFO L444 ceAbstractionStarter]: For program point L718-4(lines 718 724) no Hoare annotation was computed. [2019-11-20 10:42:26,450 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:42:26,451 INFO L440 ceAbstractionStarter]: At program point L224(lines 219 227) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-11-20 10:42:26,451 INFO L440 ceAbstractionStarter]: At program point L224-1(lines 219 227) the Hoare annotation is: false [2019-11-20 10:42:26,451 INFO L440 ceAbstractionStarter]: At program point L224-2(lines 219 227) the Hoare annotation is: false [2019-11-20 10:42:26,451 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 269) no Hoare annotation was computed. [2019-11-20 10:42:26,451 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 183) no Hoare annotation was computed. [2019-11-20 10:42:26,451 INFO L444 ceAbstractionStarter]: For program point L175-1(lines 175 183) no Hoare annotation was computed. [2019-11-20 10:42:26,451 INFO L444 ceAbstractionStarter]: For program point L175-2(lines 175 183) no Hoare annotation was computed. [2019-11-20 10:42:26,452 INFO L444 ceAbstractionStarter]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-11-20 10:42:26,453 INFO L440 ceAbstractionStarter]: At program point L853(lines 1 864) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-20 10:42:26,453 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:42:26,453 INFO L440 ceAbstractionStarter]: At program point L146(lines 146 152) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-11-20 10:42:26,454 INFO L440 ceAbstractionStarter]: At program point L146-1(lines 146 152) the Hoare annotation is: false [2019-11-20 10:42:26,454 INFO L440 ceAbstractionStarter]: At program point L146-2(lines 146 152) the Hoare annotation is: false [2019-11-20 10:42:26,454 INFO L444 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2019-11-20 10:42:26,454 INFO L440 ceAbstractionStarter]: At program point L295-1(lines 295 301) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-11-20 10:42:26,454 INFO L444 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-11-20 10:42:26,455 INFO L440 ceAbstractionStarter]: At program point L791(lines 787 793) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-11-20 10:42:26,455 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 10:42:26,455 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 269) no Hoare annotation was computed. [2019-11-20 10:42:26,455 INFO L440 ceAbstractionStarter]: At program point L743-2(lines 743 757) the Hoare annotation is: false [2019-11-20 10:42:26,456 INFO L447 ceAbstractionStarter]: At program point L826(lines 807 829) the Hoare annotation is: true [2019-11-20 10:42:26,456 INFO L440 ceAbstractionStarter]: At program point L215(lines 208 218) the Hoare annotation is: false [2019-11-20 10:42:26,456 INFO L440 ceAbstractionStarter]: At program point L215-1(lines 208 218) the Hoare annotation is: false [2019-11-20 10:42:26,456 INFO L440 ceAbstractionStarter]: At program point L215-2(lines 208 218) the Hoare annotation is: false [2019-11-20 10:42:26,456 INFO L440 ceAbstractionStarter]: At program point L331(lines 284 332) the Hoare annotation is: false [2019-11-20 10:42:26,457 INFO L444 ceAbstractionStarter]: For program point L744(line 744) no Hoare annotation was computed. [2019-11-20 10:42:26,457 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-20 10:42:26,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:42:26 BoogieIcfgContainer [2019-11-20 10:42:26,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:42:26,478 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:42:26,478 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:42:26,478 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:42:26,479 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:42:24" (3/4) ... [2019-11-20 10:42:26,482 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:42:26,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 10:42:26,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 10:42:26,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 10:42:26,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 10:42:26,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:42:26,503 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:42:26,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-11-20 10:42:26,533 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-11-20 10:42:26,533 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-20 10:42:26,534 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-20 10:42:26,534 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-20 10:42:26,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-20 10:42:26,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-20 10:42:26,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-20 10:42:26,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-20 10:42:26,589 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fc77a172-76fa-44bc-be3d-c0cff5a8df25/bin/uautomizer/witness.graphml [2019-11-20 10:42:26,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:42:26,591 INFO L168 Benchmark]: Toolchain (without parser) took 3409.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 946.1 MB in the beginning and 928.2 MB in the end (delta: 17.9 MB). Peak memory consumption was 153.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:42:26,592 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:42:26,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:42:26,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.46 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. [2019-11-20 10:42:26,593 INFO L168 Benchmark]: Boogie Preprocessor took 71.95 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. [2019-11-20 10:42:26,594 INFO L168 Benchmark]: RCFGBuilder took 832.17 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:42:26,594 INFO L168 Benchmark]: TraceAbstraction took 1701.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.5 MB in the end (delta: 129.8 MB). Peak memory consumption was 129.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:42:26,595 INFO L168 Benchmark]: Witness Printer took 111.61 ms. Allocated memory is still 1.2 GB. Free memory was 933.5 MB in the beginning and 928.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:42:26,597 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 606.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.46 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. * Boogie Preprocessor took 71.95 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. * RCFGBuilder took 832.17 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1701.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.5 MB in the end (delta: 129.8 MB). Peak memory consumption was 129.8 MB. Max. memory is 11.5 GB. * Witness Printer took 111.61 ms. Allocated memory is still 1.2 GB. Free memory was 933.5 MB in the beginning and 928.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 269]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 269]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 269]: 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: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 284 SDtfs, 355 SDslu, 235 SDs, 0 SdLazy, 58 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 174 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1533 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4708 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...