./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.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_e603e37c-e25f-4720-be06-a5f9c95178c7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e603e37c-e25f-4720-be06-a5f9c95178c7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e603e37c-e25f-4720-be06-a5f9c95178c7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e603e37c-e25f-4720-be06-a5f9c95178c7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e603e37c-e25f-4720-be06-a5f9c95178c7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e603e37c-e25f-4720-be06-a5f9c95178c7/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 5c8fccd9aead26260fe6c28d5df9729813f96355 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:44:09,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:44:09,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:44:09,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:44:09,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:44:09,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:44:09,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:44:09,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:44:09,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:44:09,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:44:09,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:44:09,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:44:09,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:44:09,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:44:09,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:44:09,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:44:09,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:44:09,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:44:09,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:44:09,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:44:09,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:44:09,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:44:09,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:44:09,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:44:09,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:44:09,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:44:09,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:44:09,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:44:09,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:44:09,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:44:09,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:44:09,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:44:09,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:44:09,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:44:09,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:44:09,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:44:09,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:44:09,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:44:09,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:44:09,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:44:09,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:44:09,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e603e37c-e25f-4720-be06-a5f9c95178c7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:44:09,790 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:44:09,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:44:09,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:44:09,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:44:09,791 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:44:09,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:44:09,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:44:09,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:44:09,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:44:09,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:44:09,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:44:09,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:44:09,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:44:09,793 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:44:09,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:44:09,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:44:09,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:44:09,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:44:09,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:44:09,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:44:09,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:44:09,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:44:09,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:44:09,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:44:09,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:44:09,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:44:09,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:44:09,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:44:09,796 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_e603e37c-e25f-4720-be06-a5f9c95178c7/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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2019-11-19 23:44:09,970 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:44:09,984 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:44:09,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:44:09,989 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:44:09,990 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:44:09,991 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e603e37c-e25f-4720-be06-a5f9c95178c7/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-11-19 23:44:10,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e603e37c-e25f-4720-be06-a5f9c95178c7/bin/uautomizer/data/e8775144d/4e6aa8e89c2f457a91511f1602d8d3b1/FLAG2e5712312 [2019-11-19 23:44:10,446 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:44:10,447 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e603e37c-e25f-4720-be06-a5f9c95178c7/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-11-19 23:44:10,457 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e603e37c-e25f-4720-be06-a5f9c95178c7/bin/uautomizer/data/e8775144d/4e6aa8e89c2f457a91511f1602d8d3b1/FLAG2e5712312 [2019-11-19 23:44:10,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e603e37c-e25f-4720-be06-a5f9c95178c7/bin/uautomizer/data/e8775144d/4e6aa8e89c2f457a91511f1602d8d3b1 [2019-11-19 23:44:10,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:44:10,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:44:10,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:44:10,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:44:10,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:44:10,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:44:10" (1/1) ... [2019-11-19 23:44:10,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c1783e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:10, skipping insertion in model container [2019-11-19 23:44:10,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:44:10" (1/1) ... [2019-11-19 23:44:10,485 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:44:10,553 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:44:10,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:44:10,925 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:44:11,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:44:11,034 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:44:11,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:11 WrapperNode [2019-11-19 23:44:11,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:44:11,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:44:11,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:44:11,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:44:11,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:11" (1/1) ... [2019-11-19 23:44:11,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:11" (1/1) ... [2019-11-19 23:44:11,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:44:11,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:44:11,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:44:11,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:44:11,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:11" (1/1) ... [2019-11-19 23:44:11,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:11" (1/1) ... [2019-11-19 23:44:11,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:11" (1/1) ... [2019-11-19 23:44:11,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:11" (1/1) ... [2019-11-19 23:44:11,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:11" (1/1) ... [2019-11-19 23:44:11,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:11" (1/1) ... [2019-11-19 23:44:11,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:11" (1/1) ... [2019-11-19 23:44:11,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:44:11,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:44:11,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:44:11,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:44:11,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e603e37c-e25f-4720-be06-a5f9c95178c7/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 [2019-11-19 23:44:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:44:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 23:44:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:44:11,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:44:11,865 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:44:11,865 INFO L285 CfgBuilder]: Removed 98 assume(true) statements. [2019-11-19 23:44:11,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:44:11 BoogieIcfgContainer [2019-11-19 23:44:11,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:44:11,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:44:11,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:44:11,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:44:11,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:44:10" (1/3) ... [2019-11-19 23:44:11,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb90b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:44:11, skipping insertion in model container [2019-11-19 23:44:11,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:11" (2/3) ... [2019-11-19 23:44:11,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb90b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:44:11, skipping insertion in model container [2019-11-19 23:44:11,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:44:11" (3/3) ... [2019-11-19 23:44:11,880 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2019-11-19 23:44:11,889 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:44:11,895 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 23:44:11,905 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 23:44:11,930 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:44:11,931 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:44:11,931 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:44:11,931 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:44:11,931 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:44:11,931 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:44:11,931 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:44:11,931 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:44:11,946 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2019-11-19 23:44:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 23:44:11,952 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:44:11,952 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:44:11,953 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:44:11,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:44:11,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1001432226, now seen corresponding path program 1 times [2019-11-19 23:44:11,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:44:11,967 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466883006] [2019-11-19 23:44:11,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:44:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:12,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:12,175 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466883006] [2019-11-19 23:44:12,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:44:12,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:44:12,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739567434] [2019-11-19 23:44:12,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 23:44:12,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:44:12,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 23:44:12,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:44:12,198 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2019-11-19 23:44:12,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:44:12,238 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2019-11-19 23:44:12,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 23:44:12,240 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-19 23:44:12,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:44:12,249 INFO L225 Difference]: With dead ends: 151 [2019-11-19 23:44:12,249 INFO L226 Difference]: Without dead ends: 75 [2019-11-19 23:44:12,252 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 [2019-11-19 23:44:12,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-11-19 23:44:12,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-11-19 23:44:12,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-19 23:44:12,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2019-11-19 23:44:12,286 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2019-11-19 23:44:12,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:44:12,287 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2019-11-19 23:44:12,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 23:44:12,287 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-11-19 23:44:12,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 23:44:12,288 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:44:12,288 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:44:12,288 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:44:12,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:44:12,289 INFO L82 PathProgramCache]: Analyzing trace with hash -434799197, now seen corresponding path program 1 times [2019-11-19 23:44:12,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:44:12,289 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969956101] [2019-11-19 23:44:12,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:44:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:12,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:12,414 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969956101] [2019-11-19 23:44:12,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:44:12,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:44:12,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176715245] [2019-11-19 23:44:12,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:44:12,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:44:12,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:44:12,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:44:12,417 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2019-11-19 23:44:12,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:44:12,427 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2019-11-19 23:44:12,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:44:12,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-19 23:44:12,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:44:12,429 INFO L225 Difference]: With dead ends: 75 [2019-11-19 23:44:12,429 INFO L226 Difference]: Without dead ends: 35 [2019-11-19 23:44:12,430 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 [2019-11-19 23:44:12,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-19 23:44:12,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-19 23:44:12,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-19 23:44:12,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-11-19 23:44:12,435 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-11-19 23:44:12,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:44:12,435 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-11-19 23:44:12,435 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:44:12,436 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-11-19 23:44:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 23:44:12,436 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:44:12,437 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] [2019-11-19 23:44:12,437 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:44:12,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:44:12,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2019-11-19 23:44:12,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:44:12,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045928565] [2019-11-19 23:44:12,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:44:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:12,563 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045928565] [2019-11-19 23:44:12,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:44:12,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 23:44:12,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140393350] [2019-11-19 23:44:12,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 23:44:12,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:44:12,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 23:44:12,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:44:12,565 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 6 states. [2019-11-19 23:44:12,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:44:12,660 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2019-11-19 23:44:12,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:44:12,661 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-19 23:44:12,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:44:12,662 INFO L225 Difference]: With dead ends: 63 [2019-11-19 23:44:12,662 INFO L226 Difference]: Without dead ends: 35 [2019-11-19 23:44:12,662 INFO L630 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 [2019-11-19 23:44:12,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-19 23:44:12,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-19 23:44:12,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-19 23:44:12,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2019-11-19 23:44:12,667 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2019-11-19 23:44:12,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:44:12,668 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2019-11-19 23:44:12,668 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 23:44:12,668 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2019-11-19 23:44:12,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 23:44:12,669 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:44:12,669 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, 1] [2019-11-19 23:44:12,670 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:44:12,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:44:12,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2019-11-19 23:44:12,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:44:12,671 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722202801] [2019-11-19 23:44:12,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:44:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:12,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:12,756 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722202801] [2019-11-19 23:44:12,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:44:12,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:44:12,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714598455] [2019-11-19 23:44:12,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:44:12,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:44:12,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:44:12,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:44:12,758 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2019-11-19 23:44:12,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:44:12,872 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2019-11-19 23:44:12,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 23:44:12,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-19 23:44:12,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:44:12,875 INFO L225 Difference]: With dead ends: 154 [2019-11-19 23:44:12,876 INFO L226 Difference]: Without dead ends: 126 [2019-11-19 23:44:12,876 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 [2019-11-19 23:44:12,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-19 23:44:12,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2019-11-19 23:44:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-11-19 23:44:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2019-11-19 23:44:12,897 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2019-11-19 23:44:12,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:44:12,898 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2019-11-19 23:44:12,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:44:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-11-19 23:44:12,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 23:44:12,899 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:44:12,900 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, 1, 1] [2019-11-19 23:44:12,900 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:44:12,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:44:12,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2019-11-19 23:44:12,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:44:12,901 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186946824] [2019-11-19 23:44:12,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:44:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:13,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:13,011 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186946824] [2019-11-19 23:44:13,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:44:13,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:44:13,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319379319] [2019-11-19 23:44:13,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:44:13,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:44:13,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:44:13,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:44:13,013 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2019-11-19 23:44:13,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:44:13,074 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2019-11-19 23:44:13,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:44:13,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-19 23:44:13,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:44:13,075 INFO L225 Difference]: With dead ends: 150 [2019-11-19 23:44:13,075 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:44:13,077 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 [2019-11-19 23:44:13,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:44:13,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:44:13,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:44:13,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:44:13,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-11-19 23:44:13,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:44:13,078 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:44:13,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:44:13,078 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:44:13,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:44:13,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 23:44:13,390 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2019-11-19 23:44:13,391 INFO L440 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-11-19 23:44:13,391 INFO L444 ceAbstractionStarter]: For program point L201(lines 201 207) no Hoare annotation was computed. [2019-11-19 23:44:13,391 INFO L440 ceAbstractionStarter]: At program point L168(lines 1 926) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-19 23:44:13,391 INFO L440 ceAbstractionStarter]: At program point L201-1(lines 201 207) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:44:13,392 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:44:13,392 INFO L444 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-19 23:44:13,392 INFO L440 ceAbstractionStarter]: At program point L268(lines 268 274) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:44:13,392 INFO L440 ceAbstractionStarter]: At program point L268-1(lines 268 274) the Hoare annotation is: false [2019-11-19 23:44:13,392 INFO L440 ceAbstractionStarter]: At program point L268-2(lines 268 274) the Hoare annotation is: false [2019-11-19 23:44:13,392 INFO L440 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-19 23:44:13,393 INFO L440 ceAbstractionStarter]: At program point L468(lines 463 471) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:44:13,393 INFO L440 ceAbstractionStarter]: At program point L468-1(lines 463 471) the Hoare annotation is: false [2019-11-19 23:44:13,393 INFO L440 ceAbstractionStarter]: At program point L468-2(lines 463 471) the Hoare annotation is: false [2019-11-19 23:44:13,393 INFO L440 ceAbstractionStarter]: At program point L237(lines 190 238) the Hoare annotation is: false [2019-11-19 23:44:13,393 INFO L444 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-19 23:44:13,393 INFO L444 ceAbstractionStarter]: For program point L518-1(line 518) no Hoare annotation was computed. [2019-11-19 23:44:13,394 INFO L444 ceAbstractionStarter]: For program point L518-2(line 518) no Hoare annotation was computed. [2019-11-19 23:44:13,394 INFO L440 ceAbstractionStarter]: At program point L419(lines 404 422) the Hoare annotation is: false [2019-11-19 23:44:13,394 INFO L440 ceAbstractionStarter]: At program point L419-1(lines 404 422) the Hoare annotation is: false [2019-11-19 23:44:13,394 INFO L440 ceAbstractionStarter]: At program point L419-2(lines 404 422) the Hoare annotation is: false [2019-11-19 23:44:13,394 INFO L444 ceAbstractionStarter]: For program point L221(lines 221 232) no Hoare annotation was computed. [2019-11-19 23:44:13,394 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-19 23:44:13,394 INFO L444 ceAbstractionStarter]: For program point L56-1(lines 261 267) no Hoare annotation was computed. [2019-11-19 23:44:13,395 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:44:13,395 INFO L447 ceAbstractionStarter]: At program point L141(lines 122 144) the Hoare annotation is: true [2019-11-19 23:44:13,395 INFO L444 ceAbstractionStarter]: For program point L455(lines 455 459) no Hoare annotation was computed. [2019-11-19 23:44:13,395 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2019-11-19 23:44:13,395 INFO L444 ceAbstractionStarter]: For program point L192(lines 191 236) no Hoare annotation was computed. [2019-11-19 23:44:13,395 INFO L440 ceAbstractionStarter]: At program point L176(lines 171 179) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-19 23:44:13,396 INFO L444 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-11-19 23:44:13,396 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:44:13,396 INFO L444 ceAbstractionStarter]: For program point L540(lines 540 557) no Hoare annotation was computed. [2019-11-19 23:44:13,396 INFO L440 ceAbstractionStarter]: At program point L540-1(lines 1 926) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:44:13,400 INFO L444 ceAbstractionStarter]: For program point L540-2(lines 540 557) no Hoare annotation was computed. [2019-11-19 23:44:13,400 INFO L440 ceAbstractionStarter]: At program point L540-3(lines 1 926) the Hoare annotation is: false [2019-11-19 23:44:13,401 INFO L444 ceAbstractionStarter]: For program point L540-4(lines 540 557) no Hoare annotation was computed. [2019-11-19 23:44:13,401 INFO L440 ceAbstractionStarter]: At program point L540-5(lines 1 926) the Hoare annotation is: false [2019-11-19 23:44:13,404 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 310) no Hoare annotation was computed. [2019-11-19 23:44:13,405 INFO L444 ceAbstractionStarter]: For program point L293-1(lines 293 310) no Hoare annotation was computed. [2019-11-19 23:44:13,406 INFO L444 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-11-19 23:44:13,406 INFO L444 ceAbstractionStarter]: For program point L293-2(lines 293 310) no Hoare annotation was computed. [2019-11-19 23:44:13,406 INFO L444 ceAbstractionStarter]: For program point L227-2(lines 261 267) no Hoare annotation was computed. [2019-11-19 23:44:13,406 INFO L444 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2019-11-19 23:44:13,407 INFO L440 ceAbstractionStarter]: At program point L211-1(lines 211 217) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:44:13,407 INFO L440 ceAbstractionStarter]: At program point L261(lines 260 279) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:44:13,407 INFO L444 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2019-11-19 23:44:13,408 INFO L440 ceAbstractionStarter]: At program point L261-2(lines 260 279) the Hoare annotation is: false [2019-11-19 23:44:13,408 INFO L440 ceAbstractionStarter]: At program point L261-3(lines 260 279) the Hoare annotation is: false [2019-11-19 23:44:13,408 INFO L440 ceAbstractionStarter]: At program point L509(lines 504 512) the Hoare annotation is: false [2019-11-19 23:44:13,416 INFO L440 ceAbstractionStarter]: At program point L509-1(lines 504 512) the Hoare annotation is: false [2019-11-19 23:44:13,416 INFO L444 ceAbstractionStarter]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-11-19 23:44:13,416 INFO L440 ceAbstractionStarter]: At program point L509-2(lines 504 512) the Hoare annotation is: false [2019-11-19 23:44:13,416 INFO L444 ceAbstractionStarter]: For program point L544(lines 544 554) no Hoare annotation was computed. [2019-11-19 23:44:13,417 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 23:44:13,417 INFO L444 ceAbstractionStarter]: For program point L544-2(lines 544 554) no Hoare annotation was computed. [2019-11-19 23:44:13,417 INFO L444 ceAbstractionStarter]: For program point L544-4(lines 544 554) no Hoare annotation was computed. [2019-11-19 23:44:13,417 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2019-11-19 23:44:13,418 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 305) no Hoare annotation was computed. [2019-11-19 23:44:13,418 INFO L444 ceAbstractionStarter]: For program point L297-1(lines 297 305) no Hoare annotation was computed. [2019-11-19 23:44:13,418 INFO L444 ceAbstractionStarter]: For program point L297-2(lines 297 305) no Hoare annotation was computed. [2019-11-19 23:44:13,418 INFO L444 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-11-19 23:44:13,418 INFO L447 ceAbstractionStarter]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2019-11-19 23:44:13,418 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2019-11-19 23:44:13,419 INFO L444 ceAbstractionStarter]: For program point L545-2(lines 545 551) no Hoare annotation was computed. [2019-11-19 23:44:13,419 INFO L444 ceAbstractionStarter]: For program point L413(lines 413 417) no Hoare annotation was computed. [2019-11-19 23:44:13,419 INFO L444 ceAbstractionStarter]: For program point L545-4(lines 545 551) no Hoare annotation was computed. [2019-11-19 23:44:13,419 INFO L444 ceAbstractionStarter]: For program point L413-2(lines 413 417) no Hoare annotation was computed. [2019-11-19 23:44:13,419 INFO L444 ceAbstractionStarter]: For program point L413-3(lines 413 417) no Hoare annotation was computed. [2019-11-19 23:44:13,420 INFO L444 ceAbstractionStarter]: For program point L413-5(lines 413 417) no Hoare annotation was computed. [2019-11-19 23:44:13,420 INFO L444 ceAbstractionStarter]: For program point L413-6(lines 413 417) no Hoare annotation was computed. [2019-11-19 23:44:13,421 INFO L444 ceAbstractionStarter]: For program point L413-8(lines 413 417) no Hoare annotation was computed. [2019-11-19 23:44:13,422 INFO L440 ceAbstractionStarter]: At program point L529(lines 524 531) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-19 23:44:13,422 INFO L440 ceAbstractionStarter]: At program point L364(lines 359 367) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:44:13,423 INFO L440 ceAbstractionStarter]: At program point L364-1(lines 359 367) the Hoare annotation is: false [2019-11-19 23:44:13,424 INFO L440 ceAbstractionStarter]: At program point L364-2(lines 359 367) the Hoare annotation is: false [2019-11-19 23:44:13,424 INFO L444 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-11-19 23:44:13,424 INFO L444 ceAbstractionStarter]: For program point L431-3(lines 431 435) no Hoare annotation was computed. [2019-11-19 23:44:13,424 INFO L444 ceAbstractionStarter]: For program point L431-6(lines 431 435) no Hoare annotation was computed. [2019-11-19 23:44:13,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:44:13 BoogieIcfgContainer [2019-11-19 23:44:13,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:44:13,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:44:13,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:44:13,460 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:44:13,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:44:11" (3/4) ... [2019-11-19 23:44:13,465 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:44:13,494 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 23:44:13,496 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 23:44:13,497 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 23:44:13,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 23:44:13,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 23:44:13,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 23:44:13,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-11-19 23:44:13,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-11-19 23:44:13,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-11-19 23:44:13,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 23:44:13,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 23:44:13,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 23:44:13,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 23:44:13,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 23:44:13,538 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 23:44:13,540 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 23:44:13,601 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e603e37c-e25f-4720-be06-a5f9c95178c7/bin/uautomizer/witness.graphml [2019-11-19 23:44:13,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:44:13,604 INFO L168 Benchmark]: Toolchain (without parser) took 3132.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.3 MB in the beginning and 928.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 165.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:44:13,604 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:44:13,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:44:13,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.45 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:44:13,606 INFO L168 Benchmark]: Boogie Preprocessor took 35.93 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. [2019-11-19 23:44:13,606 INFO L168 Benchmark]: RCFGBuilder took 737.88 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: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:44:13,606 INFO L168 Benchmark]: TraceAbstraction took 1591.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.6 MB in the end (delta: 129.8 MB). Peak memory consumption was 129.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:44:13,607 INFO L168 Benchmark]: Witness Printer took 142.71 ms. Allocated memory is still 1.2 GB. Free memory was 933.6 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. [2019-11-19 23:44:13,609 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 563.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.45 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.93 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 737.88 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: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1591.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.6 MB in the end (delta: 129.8 MB). Peak memory consumption was 129.8 MB. Max. memory is 11.5 GB. * Witness Printer took 142.71 ms. Allocated memory is still 1.2 GB. Free memory was 933.6 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: 518]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 518]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 518]: 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: 260]: 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 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: 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: 132]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 326 SDtfs, 388 SDslu, 296 SDs, 0 SdLazy, 46 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 190 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1476 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...