./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/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 70ea5eb10d82b903f50468d78668817b6c6916a6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:54,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:54,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:54,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:54,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:54,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:54,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:54,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:54,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:54,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:54,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:54,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:54,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:54,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:54,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:54,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:54,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:54,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:54,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:54,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:54,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:54,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:54,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:54,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:54,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:54,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:54,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:54,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:54,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:54,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:54,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:54,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:54,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:54,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:54,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:54,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:54,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:54,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:54,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:54,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:54,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:54,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:57:54,207 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:54,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:54,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:54,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:54,209 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:54,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:54,209 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:54,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:54,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:54,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:54,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:54,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:54,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:54,210 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:54,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:54,211 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:54,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:54,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:54,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:54,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:54,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:54,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:54,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:54,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:54,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:54,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:54,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:57:54,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:54,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/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 -> 70ea5eb10d82b903f50468d78668817b6c6916a6 [2019-10-22 08:57:54,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:54,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:54,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:54,258 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:54,258 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:54,259 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2019-10-22 08:57:54,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/bin/uautomizer/data/3945d8763/00d59467879c4481b8574e684e5f6f37/FLAG354f28a62 [2019-10-22 08:57:54,728 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:54,729 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2019-10-22 08:57:54,739 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/bin/uautomizer/data/3945d8763/00d59467879c4481b8574e684e5f6f37/FLAG354f28a62 [2019-10-22 08:57:55,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/bin/uautomizer/data/3945d8763/00d59467879c4481b8574e684e5f6f37 [2019-10-22 08:57:55,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:55,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:55,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:55,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:55,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:55,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:55" (1/1) ... [2019-10-22 08:57:55,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3234252b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:55, skipping insertion in model container [2019-10-22 08:57:55,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:55" (1/1) ... [2019-10-22 08:57:55,099 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:55,135 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:55,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:55,560 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:55,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:55,700 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:55,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:55 WrapperNode [2019-10-22 08:57:55,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:55,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:55,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:55,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:55,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:55" (1/1) ... [2019-10-22 08:57:55,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:55" (1/1) ... [2019-10-22 08:57:55,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:55,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:55,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:55,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:55,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:55" (1/1) ... [2019-10-22 08:57:55,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:55" (1/1) ... [2019-10-22 08:57:55,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:55" (1/1) ... [2019-10-22 08:57:55,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:55" (1/1) ... [2019-10-22 08:57:55,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:55" (1/1) ... [2019-10-22 08:57:55,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:55" (1/1) ... [2019-10-22 08:57:55,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:55" (1/1) ... [2019-10-22 08:57:55,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:55,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:55,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:55,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:55,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:55,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:57:55,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:57:55,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:56,509 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:56,510 INFO L284 CfgBuilder]: Removed 70 assume(true) statements. [2019-10-22 08:57:56,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:56 BoogieIcfgContainer [2019-10-22 08:57:56,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:56,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:56,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:56,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:56,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:55" (1/3) ... [2019-10-22 08:57:56,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3397a7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:56, skipping insertion in model container [2019-10-22 08:57:56,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:55" (2/3) ... [2019-10-22 08:57:56,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3397a7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:56, skipping insertion in model container [2019-10-22 08:57:56,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:56" (3/3) ... [2019-10-22 08:57:56,520 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2019-10-22 08:57:56,531 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:56,537 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:57:56,546 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:57:56,568 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:56,568 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:56,568 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:56,568 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:56,568 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:56,568 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:56,569 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:56,569 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:56,582 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2019-10-22 08:57:56,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:57:56,588 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:56,589 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:56,591 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:56,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:56,596 INFO L82 PathProgramCache]: Analyzing trace with hash -805652889, now seen corresponding path program 1 times [2019-10-22 08:57:56,603 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:56,604 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509382364] [2019-10-22 08:57:56,604 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:56,604 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:56,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:56,800 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509382364] [2019-10-22 08:57:56,801 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:56,801 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:56,802 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822196959] [2019-10-22 08:57:56,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:57:56,807 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:56,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:57:56,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:57:56,821 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2019-10-22 08:57:56,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:56,842 INFO L93 Difference]: Finished difference Result 115 states and 174 transitions. [2019-10-22 08:57:56,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:57:56,843 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 08:57:56,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:56,853 INFO L225 Difference]: With dead ends: 115 [2019-10-22 08:57:56,853 INFO L226 Difference]: Without dead ends: 57 [2019-10-22 08:57:56,856 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:57:56,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-10-22 08:57:56,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-10-22 08:57:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-10-22 08:57:56,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2019-10-22 08:57:56,892 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2019-10-22 08:57:56,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:56,893 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2019-10-22 08:57:56,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:57:56,893 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2019-10-22 08:57:56,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:57:56,893 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:56,894 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:56,894 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:56,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:56,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1024488858, now seen corresponding path program 1 times [2019-10-22 08:57:56,895 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:56,895 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476594647] [2019-10-22 08:57:56,895 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:56,895 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:56,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:56,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:56,996 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476594647] [2019-10-22 08:57:56,997 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:56,997 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:57:56,997 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788634883] [2019-10-22 08:57:56,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:56,999 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:56,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:56,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:56,999 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 3 states. [2019-10-22 08:57:57,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:57,008 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2019-10-22 08:57:57,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:57,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 08:57:57,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:57,010 INFO L225 Difference]: With dead ends: 57 [2019-10-22 08:57:57,010 INFO L226 Difference]: Without dead ends: 29 [2019-10-22 08:57:57,011 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:57,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-10-22 08:57:57,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-10-22 08:57:57,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-10-22 08:57:57,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-10-22 08:57:57,014 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2019-10-22 08:57:57,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:57,014 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-10-22 08:57:57,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:57,014 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-10-22 08:57:57,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:57:57,016 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:57,016 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:57,016 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:57,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:57,016 INFO L82 PathProgramCache]: Analyzing trace with hash -2087364582, now seen corresponding path program 1 times [2019-10-22 08:57:57,017 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:57,017 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767192578] [2019-10-22 08:57:57,017 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:57,017 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:57,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:57,108 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767192578] [2019-10-22 08:57:57,108 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:57,108 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:57,108 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858418908] [2019-10-22 08:57:57,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:57,109 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:57,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:57,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:57,109 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2019-10-22 08:57:57,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:57,198 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2019-10-22 08:57:57,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:57:57,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 08:57:57,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:57,200 INFO L225 Difference]: With dead ends: 112 [2019-10-22 08:57:57,200 INFO L226 Difference]: Without dead ends: 90 [2019-10-22 08:57:57,201 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:57:57,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-22 08:57:57,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2019-10-22 08:57:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-10-22 08:57:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-10-22 08:57:57,212 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2019-10-22 08:57:57,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:57,212 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-10-22 08:57:57,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-10-22 08:57:57,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:57:57,213 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:57,213 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:57,213 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:57,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:57,214 INFO L82 PathProgramCache]: Analyzing trace with hash -837026654, now seen corresponding path program 1 times [2019-10-22 08:57:57,214 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:57,214 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201666186] [2019-10-22 08:57:57,214 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:57,214 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:57,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:57,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:57,326 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201666186] [2019-10-22 08:57:57,327 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:57,327 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:57,327 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884459787] [2019-10-22 08:57:57,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:57,327 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:57,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:57,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:57,328 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2019-10-22 08:57:57,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:57,369 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2019-10-22 08:57:57,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:57:57,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 08:57:57,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:57,370 INFO L225 Difference]: With dead ends: 132 [2019-10-22 08:57:57,370 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:57:57,371 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:57:57,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:57:57,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:57:57,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:57:57,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:57:57,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-22 08:57:57,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:57,372 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:57,372 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:57,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:57:57,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:57:57,499 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2019-10-22 08:57:57,500 INFO L446 ceAbstractionStarter]: At program point L878(lines 859 881) the Hoare annotation is: true [2019-10-22 08:57:57,500 INFO L439 ceAbstractionStarter]: At program point L845(lines 841 847) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:57,500 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:57:57,500 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 595) no Hoare annotation was computed. [2019-10-22 08:57:57,500 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 781) no Hoare annotation was computed. [2019-10-22 08:57:57,500 INFO L439 ceAbstractionStarter]: At program point L764-1(lines 1 881) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:57,500 INFO L439 ceAbstractionStarter]: At program point L797-2(lines 797 811) the Hoare annotation is: false [2019-10-22 08:57:57,501 INFO L439 ceAbstractionStarter]: At program point L698(lines 693 701) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:57,501 INFO L443 ceAbstractionStarter]: For program point L764-2(lines 764 781) no Hoare annotation was computed. [2019-10-22 08:57:57,501 INFO L439 ceAbstractionStarter]: At program point L698-1(lines 693 701) the Hoare annotation is: false [2019-10-22 08:57:57,501 INFO L439 ceAbstractionStarter]: At program point L764-3(lines 1 881) the Hoare annotation is: false [2019-10-22 08:57:57,501 INFO L443 ceAbstractionStarter]: For program point L764-4(lines 764 781) no Hoare annotation was computed. [2019-10-22 08:57:57,501 INFO L439 ceAbstractionStarter]: At program point L698-2(lines 693 701) the Hoare annotation is: false [2019-10-22 08:57:57,501 INFO L439 ceAbstractionStarter]: At program point L764-5(lines 1 881) the Hoare annotation is: false [2019-10-22 08:57:57,501 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-22 08:57:57,501 INFO L439 ceAbstractionStarter]: At program point L600(lines 551 601) the Hoare annotation is: false [2019-10-22 08:57:57,502 INFO L439 ceAbstractionStarter]: At program point L534(lines 529 537) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:57,502 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 77) no Hoare annotation was computed. [2019-10-22 08:57:57,502 INFO L443 ceAbstractionStarter]: For program point L553(lines 552 599) no Hoare annotation was computed. [2019-10-22 08:57:57,502 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 805) no Hoare annotation was computed. [2019-10-22 08:57:57,502 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:57:57,502 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 778) no Hoare annotation was computed. [2019-10-22 08:57:57,502 INFO L443 ceAbstractionStarter]: For program point L801-1(lines 621 627) no Hoare annotation was computed. [2019-10-22 08:57:57,502 INFO L443 ceAbstractionStarter]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2019-10-22 08:57:57,505 INFO L443 ceAbstractionStarter]: For program point L768-4(lines 768 778) no Hoare annotation was computed. [2019-10-22 08:57:57,506 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 558) no Hoare annotation was computed. [2019-10-22 08:57:57,506 INFO L443 ceAbstractionStarter]: For program point L769(lines 769 775) no Hoare annotation was computed. [2019-10-22 08:57:57,506 INFO L443 ceAbstractionStarter]: For program point L769-2(lines 769 775) no Hoare annotation was computed. [2019-10-22 08:57:57,506 INFO L443 ceAbstractionStarter]: For program point L769-4(lines 769 775) no Hoare annotation was computed. [2019-10-22 08:57:57,507 INFO L439 ceAbstractionStarter]: At program point L753(lines 748 755) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:57,507 INFO L439 ceAbstractionStarter]: At program point L621(lines 620 639) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:57,507 INFO L443 ceAbstractionStarter]: For program point L621-1(lines 621 627) no Hoare annotation was computed. [2019-10-22 08:57:57,507 INFO L439 ceAbstractionStarter]: At program point L621-2(lines 620 639) the Hoare annotation is: false [2019-10-22 08:57:57,507 INFO L439 ceAbstractionStarter]: At program point L621-3(lines 620 639) the Hoare annotation is: false [2019-10-22 08:57:57,508 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 08:57:57,508 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 876) no Hoare annotation was computed. [2019-10-22 08:57:57,508 INFO L446 ceAbstractionStarter]: At program point L869-1(lines 869 876) the Hoare annotation is: true [2019-10-22 08:57:57,508 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 578) no Hoare annotation was computed. [2019-10-22 08:57:57,508 INFO L439 ceAbstractionStarter]: At program point L572-1(lines 572 578) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:57,508 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 08:57:57,508 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 08:57:57,509 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 08:57:57,509 INFO L443 ceAbstractionStarter]: For program point L61(lines 61 65) no Hoare annotation was computed. [2019-10-22 08:57:57,509 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:57:57,509 INFO L443 ceAbstractionStarter]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2019-10-22 08:57:57,509 INFO L443 ceAbstractionStarter]: For program point L61-6(lines 61 65) no Hoare annotation was computed. [2019-10-22 08:57:57,509 INFO L443 ceAbstractionStarter]: For program point L590(lines 590 594) no Hoare annotation was computed. [2019-10-22 08:57:57,509 INFO L439 ceAbstractionStarter]: At program point L590-2(lines 621 627) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:57,510 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 08:57:57,510 INFO L439 ceAbstractionStarter]: At program point L526(lines 1 881) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:57,510 INFO L439 ceAbstractionStarter]: At program point L98(lines 93 101) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:57,510 INFO L439 ceAbstractionStarter]: At program point L98-1(lines 93 101) the Hoare annotation is: false [2019-10-22 08:57:57,511 INFO L439 ceAbstractionStarter]: At program point L98-2(lines 93 101) the Hoare annotation is: false [2019-10-22 08:57:57,512 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:57:57,512 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 08:57:57,512 INFO L439 ceAbstractionStarter]: At program point L628(lines 628 634) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:57,512 INFO L439 ceAbstractionStarter]: At program point L628-1(lines 628 634) the Hoare annotation is: false [2019-10-22 08:57:57,512 INFO L443 ceAbstractionStarter]: For program point L562(lines 562 568) no Hoare annotation was computed. [2019-10-22 08:57:57,512 INFO L439 ceAbstractionStarter]: At program point L628-2(lines 628 634) the Hoare annotation is: false [2019-10-22 08:57:57,513 INFO L439 ceAbstractionStarter]: At program point L562-1(lines 562 568) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:57,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:57 BoogieIcfgContainer [2019-10-22 08:57:57,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:57,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:57,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:57,535 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:57,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:56" (3/4) ... [2019-10-22 08:57:57,541 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:57:57,556 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:57:57,557 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 08:57:57,558 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:57:57,558 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:57:57,558 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:57:57,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:57:57,584 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:57:57,635 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cc04805b-5d8a-44c3-8d5b-b6e3e2de56a6/bin/uautomizer/witness.graphml [2019-10-22 08:57:57,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:57,638 INFO L168 Benchmark]: Toolchain (without parser) took 2552.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.1 MB in the beginning and 960.2 MB in the end (delta: -21.1 MB). Peak memory consumption was 122.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:57,638 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:57,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:57,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.69 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:57,646 INFO L168 Benchmark]: Boogie Preprocessor took 44.21 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. [2019-10-22 08:57:57,646 INFO L168 Benchmark]: RCFGBuilder took 698.98 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: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:57,646 INFO L168 Benchmark]: TraceAbstraction took 1021.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.0 MB in the end (delta: 96.1 MB). Peak memory consumption was 96.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:57,647 INFO L168 Benchmark]: Witness Printer took 102.02 ms. Allocated memory is still 1.2 GB. Free memory was 967.0 MB in the beginning and 960.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:57,648 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 614.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.69 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.21 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 698.98 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: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1021.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.0 MB in the end (delta: 96.1 MB). Peak memory consumption was 96.1 MB. Max. memory is 11.5 GB. * Witness Printer took 102.02 ms. Allocated memory is still 1.2 GB. Free memory was 967.0 MB in the beginning and 960.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 3 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 231 SDtfs, 205 SDslu, 241 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 67 NumberOfFragments, 101 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...