./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_10588893-2ff9-48e0-9b4e-f0be1514f50f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_10588893-2ff9-48e0-9b4e-f0be1514f50f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_10588893-2ff9-48e0-9b4e-f0be1514f50f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_10588893-2ff9-48e0-9b4e-f0be1514f50f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_10588893-2ff9-48e0-9b4e-f0be1514f50f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_10588893-2ff9-48e0-9b4e-f0be1514f50f/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 99eaecf53b705ce7ede6eb19864d6c34a239ca25 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:09:33,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:09:33,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:09:33,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:09:33,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:09:33,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:09:33,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:09:33,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:09:33,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:09:33,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:09:33,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:09:33,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:09:33,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:09:33,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:09:33,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:09:33,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:09:33,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:09:33,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:09:33,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:09:33,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:09:33,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:09:33,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:09:33,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:09:33,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:09:33,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:09:33,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:09:33,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:09:33,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:09:33,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:09:33,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:09:33,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:09:33,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:09:33,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:09:33,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:09:33,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:09:33,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:09:33,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:09:33,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:09:33,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:09:33,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:09:33,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:09:33,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_10588893-2ff9-48e0-9b4e-f0be1514f50f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:09:33,115 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:09:33,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:09:33,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:09:33,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:09:33,117 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:09:33,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:09:33,117 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:09:33,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:09:33,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:09:33,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:09:33,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:09:33,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:09:33,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:09:33,119 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:09:33,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:09:33,119 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:09:33,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:09:33,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:09:33,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:09:33,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:09:33,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:09:33,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:09:33,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:09:33,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:09:33,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:09:33,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:09:33,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:09:33,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:09:33,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:09:33,122 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_10588893-2ff9-48e0-9b4e-f0be1514f50f/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 -> 99eaecf53b705ce7ede6eb19864d6c34a239ca25 [2019-12-07 18:09:33,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:09:33,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:09:33,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:09:33,239 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:09:33,239 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:09:33,240 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_10588893-2ff9-48e0-9b4e-f0be1514f50f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2019-12-07 18:09:33,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10588893-2ff9-48e0-9b4e-f0be1514f50f/bin/uautomizer/data/db19e3295/b47ae4b281a94fce991fbab0fd561f4f/FLAG20737e275 [2019-12-07 18:09:33,764 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:09:33,764 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_10588893-2ff9-48e0-9b4e-f0be1514f50f/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2019-12-07 18:09:33,772 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10588893-2ff9-48e0-9b4e-f0be1514f50f/bin/uautomizer/data/db19e3295/b47ae4b281a94fce991fbab0fd561f4f/FLAG20737e275 [2019-12-07 18:09:33,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_10588893-2ff9-48e0-9b4e-f0be1514f50f/bin/uautomizer/data/db19e3295/b47ae4b281a94fce991fbab0fd561f4f [2019-12-07 18:09:33,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:09:33,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:09:33,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:09:33,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:09:33,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:09:33,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:09:33" (1/1) ... [2019-12-07 18:09:33,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:33, skipping insertion in model container [2019-12-07 18:09:33,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:09:33" (1/1) ... [2019-12-07 18:09:33,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:09:33,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:09:34,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:09:34,025 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:09:34,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:09:34,086 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:09:34,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:34 WrapperNode [2019-12-07 18:09:34,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:09:34,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:09:34,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:09:34,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:09:34,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:34" (1/1) ... [2019-12-07 18:09:34,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:34" (1/1) ... [2019-12-07 18:09:34,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:09:34,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:09:34,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:09:34,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:09:34,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:34" (1/1) ... [2019-12-07 18:09:34,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:34" (1/1) ... [2019-12-07 18:09:34,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:34" (1/1) ... [2019-12-07 18:09:34,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:34" (1/1) ... [2019-12-07 18:09:34,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:34" (1/1) ... [2019-12-07 18:09:34,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:34" (1/1) ... [2019-12-07 18:09:34,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:34" (1/1) ... [2019-12-07 18:09:34,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:09:34,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:09:34,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:09:34,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:09:34,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10588893-2ff9-48e0-9b4e-f0be1514f50f/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 [2019-12-07 18:09:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:09:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 18:09:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:09:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:09:34,579 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:09:34,579 INFO L287 CfgBuilder]: Removed 98 assume(true) statements. [2019-12-07 18:09:34,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:09:34 BoogieIcfgContainer [2019-12-07 18:09:34,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:09:34,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:09:34,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:09:34,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:09:34,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:09:33" (1/3) ... [2019-12-07 18:09:34,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdfac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:09:34, skipping insertion in model container [2019-12-07 18:09:34,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:34" (2/3) ... [2019-12-07 18:09:34,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdfac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:09:34, skipping insertion in model container [2019-12-07 18:09:34,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:09:34" (3/3) ... [2019-12-07 18:09:34,586 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2019-12-07 18:09:34,593 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:09:34,597 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 18:09:34,605 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 18:09:34,624 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:09:34,624 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:09:34,624 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:09:34,624 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:09:34,624 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:09:34,624 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:09:34,624 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:09:34,624 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:09:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-12-07 18:09:34,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 18:09:34,640 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:09:34,640 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:09:34,641 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:09:34,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:09:34,645 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2019-12-07 18:09:34,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:09:34,651 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092920719] [2019-12-07 18:09:34,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:09:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:09:34,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:09:34,813 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092920719] [2019-12-07 18:09:34,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:09:34,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:09:34,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763437207] [2019-12-07 18:09:34,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:09:34,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:09:34,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:09:34,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:09:34,827 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-12-07 18:09:34,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:09:34,843 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-12-07 18:09:34,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:09:34,844 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 18:09:34,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:09:34,851 INFO L225 Difference]: With dead ends: 132 [2019-12-07 18:09:34,851 INFO L226 Difference]: Without dead ends: 65 [2019-12-07 18:09:34,853 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 [2019-12-07 18:09:34,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-12-07 18:09:34,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-12-07 18:09:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-12-07 18:09:34,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-12-07 18:09:34,884 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-12-07 18:09:34,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:09:34,884 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-12-07 18:09:34,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:09:34,884 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-12-07 18:09:34,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 18:09:34,885 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:09:34,885 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:09:34,885 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:09:34,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:09:34,886 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2019-12-07 18:09:34,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:09:34,886 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984842440] [2019-12-07 18:09:34,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:09:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:09:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:09:34,950 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984842440] [2019-12-07 18:09:34,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:09:34,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:09:34,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054193071] [2019-12-07 18:09:34,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:09:34,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:09:34,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:09:34,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:09:34,952 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2019-12-07 18:09:34,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:09:34,958 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-12-07 18:09:34,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:09:34,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 18:09:34,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:09:34,959 INFO L225 Difference]: With dead ends: 65 [2019-12-07 18:09:34,959 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 18:09:34,960 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 [2019-12-07 18:09:34,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 18:09:34,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 18:09:34,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 18:09:34,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-12-07 18:09:34,963 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-12-07 18:09:34,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:09:34,963 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-12-07 18:09:34,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:09:34,963 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-12-07 18:09:34,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 18:09:34,964 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:09:34,964 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:09:34,964 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:09:34,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:09:34,964 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2019-12-07 18:09:34,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:09:34,965 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708014286] [2019-12-07 18:09:34,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:09:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:09:35,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:09:35,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708014286] [2019-12-07 18:09:35,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:09:35,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:09:35,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950828707] [2019-12-07 18:09:35,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:09:35,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:09:35,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:09:35,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:09:35,016 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2019-12-07 18:09:35,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:09:35,049 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-12-07 18:09:35,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:09:35,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-12-07 18:09:35,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:09:35,050 INFO L225 Difference]: With dead ends: 56 [2019-12-07 18:09:35,050 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 18:09:35,050 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 18:09:35,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 18:09:35,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 18:09:35,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 18:09:35,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-12-07 18:09:35,054 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-12-07 18:09:35,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:09:35,054 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-12-07 18:09:35,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:09:35,054 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-12-07 18:09:35,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 18:09:35,055 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:09:35,055 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:09:35,055 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:09:35,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:09:35,055 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2019-12-07 18:09:35,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:09:35,056 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926908263] [2019-12-07 18:09:35,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:09:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:09:35,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:09:35,097 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926908263] [2019-12-07 18:09:35,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:09:35,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:09:35,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015068050] [2019-12-07 18:09:35,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:09:35,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:09:35,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:09:35,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:09:35,098 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2019-12-07 18:09:35,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:09:35,153 INFO L93 Difference]: Finished difference Result 110 states and 161 transitions. [2019-12-07 18:09:35,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:09:35,154 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 18:09:35,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:09:35,155 INFO L225 Difference]: With dead ends: 110 [2019-12-07 18:09:35,155 INFO L226 Difference]: Without dead ends: 85 [2019-12-07 18:09:35,155 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:09:35,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-12-07 18:09:35,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 52. [2019-12-07 18:09:35,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 18:09:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2019-12-07 18:09:35,163 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 23 [2019-12-07 18:09:35,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:09:35,163 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2019-12-07 18:09:35,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:09:35,163 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2019-12-07 18:09:35,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 18:09:35,164 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:09:35,164 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] [2019-12-07 18:09:35,164 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:09:35,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:09:35,164 INFO L82 PathProgramCache]: Analyzing trace with hash -951478396, now seen corresponding path program 1 times [2019-12-07 18:09:35,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:09:35,164 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966468607] [2019-12-07 18:09:35,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:09:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:09:35,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:09:35,205 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966468607] [2019-12-07 18:09:35,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:09:35,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:09:35,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300998395] [2019-12-07 18:09:35,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:09:35,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:09:35,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:09:35,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:09:35,207 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 5 states. [2019-12-07 18:09:35,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:09:35,249 INFO L93 Difference]: Finished difference Result 120 states and 173 transitions. [2019-12-07 18:09:35,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:09:35,249 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 18:09:35,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:09:35,250 INFO L225 Difference]: With dead ends: 120 [2019-12-07 18:09:35,250 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:09:35,250 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 [2019-12-07 18:09:35,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:09:35,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:09:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:09:35,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:09:35,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-12-07 18:09:35,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:09:35,251 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:09:35,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:09:35,251 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:09:35,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:09:35,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 18:09:35,381 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2019-12-07 18:09:35,381 INFO L246 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2019-12-07 18:09:35,382 INFO L246 CegarLoopResult]: For program point L581(lines 581 585) no Hoare annotation was computed. [2019-12-07 18:09:35,382 INFO L242 CegarLoopResult]: At program point L581-2(lines 612 618) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:09:35,382 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:09:35,382 INFO L242 CegarLoopResult]: At program point L714(lines 709 717) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:09:35,382 INFO L242 CegarLoopResult]: At program point L714-1(lines 709 717) the Hoare annotation is: false [2019-12-07 18:09:35,382 INFO L246 CegarLoopResult]: For program point L648(lines 648 656) no Hoare annotation was computed. [2019-12-07 18:09:35,382 INFO L242 CegarLoopResult]: At program point L714-2(lines 709 717) the Hoare annotation is: false [2019-12-07 18:09:35,383 INFO L246 CegarLoopResult]: For program point L648-1(lines 648 656) no Hoare annotation was computed. [2019-12-07 18:09:35,383 INFO L246 CegarLoopResult]: For program point L648-2(lines 648 656) no Hoare annotation was computed. [2019-12-07 18:09:35,383 INFO L249 CegarLoopResult]: At program point L863(lines 844 866) the Hoare annotation is: true [2019-12-07 18:09:35,383 INFO L246 CegarLoopResult]: For program point L880(lines 880 886) no Hoare annotation was computed. [2019-12-07 18:09:35,383 INFO L246 CegarLoopResult]: For program point L880-2(lines 880 886) no Hoare annotation was computed. [2019-12-07 18:09:35,383 INFO L246 CegarLoopResult]: For program point L880-4(lines 880 886) no Hoare annotation was computed. [2019-12-07 18:09:35,383 INFO L242 CegarLoopResult]: At program point L831(lines 827 833) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 18:09:35,383 INFO L242 CegarLoopResult]: At program point L783-2(lines 783 797) the Hoare annotation is: false [2019-12-07 18:09:35,383 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 18:09:35,384 INFO L246 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2019-12-07 18:09:35,384 INFO L246 CegarLoopResult]: For program point L767-1(line 767) no Hoare annotation was computed. [2019-12-07 18:09:35,384 INFO L246 CegarLoopResult]: For program point L767-2(line 767) no Hoare annotation was computed. [2019-12-07 18:09:35,384 INFO L246 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-12-07 18:09:35,384 INFO L246 CegarLoopResult]: For program point L90-3(lines 90 94) no Hoare annotation was computed. [2019-12-07 18:09:35,384 INFO L246 CegarLoopResult]: For program point L90-6(lines 90 94) no Hoare annotation was computed. [2019-12-07 18:09:35,384 INFO L246 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2019-12-07 18:09:35,384 INFO L242 CegarLoopResult]: At program point L619(lines 619 625) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:09:35,384 INFO L242 CegarLoopResult]: At program point L619-1(lines 619 625) the Hoare annotation is: false [2019-12-07 18:09:35,385 INFO L246 CegarLoopResult]: For program point L553(lines 553 559) no Hoare annotation was computed. [2019-12-07 18:09:35,385 INFO L242 CegarLoopResult]: At program point L619-2(lines 619 625) the Hoare annotation is: false [2019-12-07 18:09:35,385 INFO L242 CegarLoopResult]: At program point L553-1(lines 553 559) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:09:35,385 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:09:35,385 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2019-12-07 18:09:35,385 INFO L242 CegarLoopResult]: At program point L159(lines 154 162) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:09:35,385 INFO L242 CegarLoopResult]: At program point L159-1(lines 154 162) the Hoare annotation is: false [2019-12-07 18:09:35,385 INFO L242 CegarLoopResult]: At program point L159-2(lines 154 162) the Hoare annotation is: false [2019-12-07 18:09:35,386 INFO L246 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2019-12-07 18:09:35,386 INFO L246 CegarLoopResult]: For program point L787-1(lines 612 618) no Hoare annotation was computed. [2019-12-07 18:09:35,386 INFO L242 CegarLoopResult]: At program point L705(lines 698 708) the Hoare annotation is: false [2019-12-07 18:09:35,386 INFO L242 CegarLoopResult]: At program point L705-1(lines 698 708) the Hoare annotation is: false [2019-12-07 18:09:35,386 INFO L242 CegarLoopResult]: At program point L127(lines 122 130) the Hoare annotation is: false [2019-12-07 18:09:35,386 INFO L242 CegarLoopResult]: At program point L705-2(lines 698 708) the Hoare annotation is: false [2019-12-07 18:09:35,386 INFO L242 CegarLoopResult]: At program point L127-1(lines 122 130) the Hoare annotation is: false [2019-12-07 18:09:35,386 INFO L246 CegarLoopResult]: For program point L573(lines 573 586) no Hoare annotation was computed. [2019-12-07 18:09:35,386 INFO L242 CegarLoopResult]: At program point L127-2(lines 122 130) the Hoare annotation is: false [2019-12-07 18:09:35,386 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:09:35,387 INFO L246 CegarLoopResult]: For program point L854(lines 854 861) no Hoare annotation was computed. [2019-12-07 18:09:35,387 INFO L249 CegarLoopResult]: At program point L854-1(lines 854 861) the Hoare annotation is: true [2019-12-07 18:09:35,387 INFO L242 CegarLoopResult]: At program point L591(lines 542 592) the Hoare annotation is: false [2019-12-07 18:09:35,387 INFO L246 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2019-12-07 18:09:35,387 INFO L242 CegarLoopResult]: At program point L65(lines 1 892) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 18:09:35,387 INFO L246 CegarLoopResult]: For program point L544(lines 543 590) no Hoare annotation was computed. [2019-12-07 18:09:35,387 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 18:09:35,387 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2019-12-07 18:09:35,388 INFO L246 CegarLoopResult]: For program point L644(lines 644 661) no Hoare annotation was computed. [2019-12-07 18:09:35,388 INFO L246 CegarLoopResult]: For program point L644-1(lines 644 661) no Hoare annotation was computed. [2019-12-07 18:09:35,388 INFO L246 CegarLoopResult]: For program point L644-2(lines 644 661) no Hoare annotation was computed. [2019-12-07 18:09:35,388 INFO L246 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2019-12-07 18:09:35,388 INFO L246 CegarLoopResult]: For program point L876(lines 876 889) no Hoare annotation was computed. [2019-12-07 18:09:35,388 INFO L242 CegarLoopResult]: At program point L876-1(lines 1 892) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:09:35,388 INFO L246 CegarLoopResult]: For program point L876-2(lines 876 889) no Hoare annotation was computed. [2019-12-07 18:09:35,388 INFO L242 CegarLoopResult]: At program point L876-3(lines 1 892) the Hoare annotation is: false [2019-12-07 18:09:35,388 INFO L246 CegarLoopResult]: For program point L876-4(lines 876 889) no Hoare annotation was computed. [2019-12-07 18:09:35,389 INFO L242 CegarLoopResult]: At program point L876-5(lines 1 892) the Hoare annotation is: false [2019-12-07 18:09:35,389 INFO L242 CegarLoopResult]: At program point L612(lines 611 630) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:09:35,389 INFO L246 CegarLoopResult]: For program point L612-1(lines 612 618) no Hoare annotation was computed. [2019-12-07 18:09:35,389 INFO L242 CegarLoopResult]: At program point L612-2(lines 611 630) the Hoare annotation is: false [2019-12-07 18:09:35,389 INFO L242 CegarLoopResult]: At program point L612-3(lines 611 630) the Hoare annotation is: false [2019-12-07 18:09:35,389 INFO L246 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2019-12-07 18:09:35,389 INFO L242 CegarLoopResult]: At program point L563-1(lines 563 569) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:09:35,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:09:35 BoogieIcfgContainer [2019-12-07 18:09:35,403 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:09:35,404 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:09:35,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:09:35,404 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:09:35,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:09:34" (3/4) ... [2019-12-07 18:09:35,407 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:09:35,417 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 18:09:35,418 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 18:09:35,418 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 18:09:35,419 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 18:09:35,419 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 18:09:35,419 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:09:35,420 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:09:35,439 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-12-07 18:09:35,439 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-12-07 18:09:35,439 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:09:35,440 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:09:35,440 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:09:35,440 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:09:35,440 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:09:35,441 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:09:35,441 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:09:35,442 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:09:35,474 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_10588893-2ff9-48e0-9b4e-f0be1514f50f/bin/uautomizer/witness.graphml [2019-12-07 18:09:35,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:09:35,476 INFO L168 Benchmark]: Toolchain (without parser) took 1691.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 946.8 MB in the beginning and 887.8 MB in the end (delta: 59.0 MB). Peak memory consumption was 153.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:09:35,476 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:09:35,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:09:35,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:09:35,477 INFO L168 Benchmark]: Boogie Preprocessor took 23.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:09:35,477 INFO L168 Benchmark]: RCFGBuilder took 429.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:09:35,477 INFO L168 Benchmark]: TraceAbstraction took 823.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 898.5 MB in the end (delta: 124.3 MB). Peak memory consumption was 124.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:09:35,478 INFO L168 Benchmark]: Witness Printer took 70.62 ms. Allocated memory is still 1.1 GB. Free memory was 898.5 MB in the beginning and 887.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:09:35,479 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 429.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 823.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 898.5 MB in the end (delta: 124.3 MB). Peak memory consumption was 124.3 MB. Max. memory is 11.5 GB. * Witness Printer took 70.62 ms. Allocated memory is still 1.1 GB. Free memory was 898.5 MB in the beginning and 887.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 767]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 767]: 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: 611]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 286 SDtfs, 340 SDslu, 206 SDs, 0 SdLazy, 52 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 33 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 61 NumberOfFragments, 201 HoareAnnotationTreeSize, 31 FomulaSimplifications, 908 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 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...