./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_33471e91-7c1b-4212-801b-e4bd04c2ea5a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_33471e91-7c1b-4212-801b-e4bd04c2ea5a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_33471e91-7c1b-4212-801b-e4bd04c2ea5a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_33471e91-7c1b-4212-801b-e4bd04c2ea5a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_33471e91-7c1b-4212-801b-e4bd04c2ea5a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_33471e91-7c1b-4212-801b-e4bd04c2ea5a/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 914cee364693da399a9c2543bf5dbcba9bd2afd1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:46:53,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:46:53,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:46:53,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:46:53,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:46:53,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:46:53,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:46:53,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:46:53,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:46:53,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:46:53,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:46:53,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:46:53,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:46:53,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:46:53,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:46:53,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:46:53,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:46:53,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:46:53,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:46:53,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:46:53,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:46:53,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:46:53,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:46:53,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:46:53,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:46:53,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:46:53,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:46:53,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:46:53,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:46:53,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:46:53,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:46:53,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:46:53,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:46:53,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:46:53,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:46:53,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:46:53,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:46:53,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:46:53,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:46:53,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:46:53,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:46:53,207 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_33471e91-7c1b-4212-801b-e4bd04c2ea5a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 02:46:53,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:46:53,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:46:53,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:46:53,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:46:53,224 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:46:53,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:46:53,224 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:46:53,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:46:53,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:46:53,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:46:53,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:46:53,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:46:53,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:46:53,226 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:46:53,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:46:53,226 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:46:53,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:46:53,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:46:53,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:46:53,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:46:53,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:46:53,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:46:53,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:46:53,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:46:53,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:46:53,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:46:53,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:46:53,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:46:53,230 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_33471e91-7c1b-4212-801b-e4bd04c2ea5a/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 -> 914cee364693da399a9c2543bf5dbcba9bd2afd1 [2019-11-20 02:46:53,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:46:53,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:46:53,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:46:53,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:46:53,404 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:46:53,405 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_33471e91-7c1b-4212-801b-e4bd04c2ea5a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2019-11-20 02:46:53,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33471e91-7c1b-4212-801b-e4bd04c2ea5a/bin/uautomizer/data/e722dbdbc/479921cc354745d2bce34ff9c53a7926/FLAG50f87725a [2019-11-20 02:46:54,066 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:46:54,066 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_33471e91-7c1b-4212-801b-e4bd04c2ea5a/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2019-11-20 02:46:54,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33471e91-7c1b-4212-801b-e4bd04c2ea5a/bin/uautomizer/data/e722dbdbc/479921cc354745d2bce34ff9c53a7926/FLAG50f87725a [2019-11-20 02:46:54,309 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_33471e91-7c1b-4212-801b-e4bd04c2ea5a/bin/uautomizer/data/e722dbdbc/479921cc354745d2bce34ff9c53a7926 [2019-11-20 02:46:54,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:46:54,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:46:54,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:46:54,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:46:54,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:46:54,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:46:54" (1/1) ... [2019-11-20 02:46:54,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e22ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:46:54, skipping insertion in model container [2019-11-20 02:46:54,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:46:54" (1/1) ... [2019-11-20 02:46:54,330 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:46:54,376 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:46:54,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:46:54,852 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:46:54,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:46:54,983 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:46:54,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:46:54 WrapperNode [2019-11-20 02:46:54,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:46:54,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:46:54,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:46:54,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:46:54,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:46:54" (1/1) ... [2019-11-20 02:46:55,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:46:54" (1/1) ... [2019-11-20 02:46:55,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:46:55,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:46:55,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:46:55,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:46:55,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:46:54" (1/1) ... [2019-11-20 02:46:55,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:46:54" (1/1) ... [2019-11-20 02:46:55,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:46:54" (1/1) ... [2019-11-20 02:46:55,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:46:54" (1/1) ... [2019-11-20 02:46:55,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:46:54" (1/1) ... [2019-11-20 02:46:55,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:46:54" (1/1) ... [2019-11-20 02:46:55,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:46:54" (1/1) ... [2019-11-20 02:46:55,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:46:55,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:46:55,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:46:55,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:46:55,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:46:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33471e91-7c1b-4212-801b-e4bd04c2ea5a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:46:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:46:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:46:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:46:55,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:46:55,889 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:46:55,890 INFO L285 CfgBuilder]: Removed 70 assume(true) statements. [2019-11-20 02:46:55,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:46:55 BoogieIcfgContainer [2019-11-20 02:46:55,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:46:55,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:46:55,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:46:55,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:46:55,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:46:54" (1/3) ... [2019-11-20 02:46:55,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304bee5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:46:55, skipping insertion in model container [2019-11-20 02:46:55,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:46:54" (2/3) ... [2019-11-20 02:46:55,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304bee5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:46:55, skipping insertion in model container [2019-11-20 02:46:55,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:46:55" (3/3) ... [2019-11-20 02:46:55,903 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2019-11-20 02:46:55,911 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:46:55,917 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 02:46:55,927 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 02:46:55,956 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:46:55,956 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:46:55,956 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:46:55,956 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:46:55,957 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:46:55,957 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:46:55,957 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:46:55,957 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:46:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-11-20 02:46:55,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 02:46:55,980 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:46:55,981 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:46:55,981 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:46:55,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:46:55,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2019-11-20 02:46:55,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:46:55,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038288838] [2019-11-20 02:46:55,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:46:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:46:56,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:46:56,220 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038288838] [2019-11-20 02:46:56,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:46:56,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:46:56,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475807199] [2019-11-20 02:46:56,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 02:46:56,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:46:56,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 02:46:56,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:46:56,245 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2019-11-20 02:46:56,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:46:56,271 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2019-11-20 02:46:56,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 02:46:56,273 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-20 02:46:56,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:46:56,284 INFO L225 Difference]: With dead ends: 112 [2019-11-20 02:46:56,284 INFO L226 Difference]: Without dead ends: 55 [2019-11-20 02:46:56,288 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:46:56,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-20 02:46:56,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-20 02:46:56,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-20 02:46:56,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2019-11-20 02:46:56,324 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2019-11-20 02:46:56,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:46:56,325 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2019-11-20 02:46:56,325 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 02:46:56,325 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-11-20 02:46:56,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 02:46:56,326 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:46:56,326 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:46:56,327 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:46:56,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:46:56,327 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2019-11-20 02:46:56,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:46:56,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250998106] [2019-11-20 02:46:56,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:46:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:46:56,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:46:56,476 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250998106] [2019-11-20 02:46:56,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:46:56,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:46:56,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282775766] [2019-11-20 02:46:56,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:46:56,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:46:56,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:46:56,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:46:56,480 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2019-11-20 02:46:56,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:46:56,490 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2019-11-20 02:46:56,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:46:56,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-20 02:46:56,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:46:56,492 INFO L225 Difference]: With dead ends: 55 [2019-11-20 02:46:56,492 INFO L226 Difference]: Without dead ends: 29 [2019-11-20 02:46:56,493 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:46:56,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-20 02:46:56,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-20 02:46:56,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 02:46:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-11-20 02:46:56,499 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2019-11-20 02:46:56,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:46:56,500 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-11-20 02:46:56,500 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:46:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-11-20 02:46:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 02:46:56,502 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:46:56,502 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:46:56,502 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:46:56,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:46:56,503 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2019-11-20 02:46:56,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:46:56,503 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619390014] [2019-11-20 02:46:56,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:46:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:46:56,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:46:56,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619390014] [2019-11-20 02:46:56,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:46:56,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:46:56,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261724581] [2019-11-20 02:46:56,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 02:46:56,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:46:56,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 02:46:56,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 02:46:56,677 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 6 states. [2019-11-20 02:46:56,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:46:56,829 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2019-11-20 02:46:56,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 02:46:56,832 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-20 02:46:56,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:46:56,834 INFO L225 Difference]: With dead ends: 98 [2019-11-20 02:46:56,834 INFO L226 Difference]: Without dead ends: 75 [2019-11-20 02:46:56,835 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 02:46:56,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-11-20 02:46:56,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2019-11-20 02:46:56,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-20 02:46:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2019-11-20 02:46:56,851 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2019-11-20 02:46:56,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:46:56,856 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2019-11-20 02:46:56,856 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 02:46:56,856 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2019-11-20 02:46:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 02:46:56,859 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:46:56,859 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:46:56,859 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:46:56,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:46:56,860 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2019-11-20 02:46:56,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:46:56,861 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384792327] [2019-11-20 02:46:56,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:46:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:46:56,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:46:56,979 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384792327] [2019-11-20 02:46:56,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:46:56,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 02:46:56,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003891847] [2019-11-20 02:46:56,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 02:46:56,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:46:56,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 02:46:56,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-20 02:46:56,981 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 8 states. [2019-11-20 02:46:57,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:46:57,333 INFO L93 Difference]: Finished difference Result 281 states and 435 transitions. [2019-11-20 02:46:57,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-20 02:46:57,334 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-20 02:46:57,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:46:57,337 INFO L225 Difference]: With dead ends: 281 [2019-11-20 02:46:57,337 INFO L226 Difference]: Without dead ends: 239 [2019-11-20 02:46:57,338 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-11-20 02:46:57,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-11-20 02:46:57,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 118. [2019-11-20 02:46:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-20 02:46:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2019-11-20 02:46:57,361 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 22 [2019-11-20 02:46:57,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:46:57,361 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2019-11-20 02:46:57,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 02:46:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2019-11-20 02:46:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 02:46:57,363 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:46:57,363 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:46:57,363 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:46:57,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:46:57,364 INFO L82 PathProgramCache]: Analyzing trace with hash -473529446, now seen corresponding path program 1 times [2019-11-20 02:46:57,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:46:57,364 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501206800] [2019-11-20 02:46:57,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:46:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:46:57,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:46:57,473 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501206800] [2019-11-20 02:46:57,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:46:57,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:46:57,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040015485] [2019-11-20 02:46:57,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:46:57,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:46:57,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:46:57,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:46:57,475 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand 3 states. [2019-11-20 02:46:57,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:46:57,505 INFO L93 Difference]: Finished difference Result 224 states and 322 transitions. [2019-11-20 02:46:57,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:46:57,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-11-20 02:46:57,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:46:57,510 INFO L225 Difference]: With dead ends: 224 [2019-11-20 02:46:57,511 INFO L226 Difference]: Without dead ends: 112 [2019-11-20 02:46:57,514 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:46:57,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-20 02:46:57,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-11-20 02:46:57,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-11-20 02:46:57,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2019-11-20 02:46:57,549 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 23 [2019-11-20 02:46:57,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:46:57,550 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2019-11-20 02:46:57,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:46:57,550 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2019-11-20 02:46:57,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 02:46:57,557 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:46:57,557 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:46:57,558 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:46:57,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:46:57,558 INFO L82 PathProgramCache]: Analyzing trace with hash 718124842, now seen corresponding path program 1 times [2019-11-20 02:46:57,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:46:57,559 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945867827] [2019-11-20 02:46:57,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:46:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:46:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 02:46:57,668 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945867827] [2019-11-20 02:46:57,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:46:57,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 02:46:57,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871158172] [2019-11-20 02:46:57,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 02:46:57,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:46:57,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:46:57,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:46:57,671 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand 5 states. [2019-11-20 02:46:57,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:46:57,754 INFO L93 Difference]: Finished difference Result 228 states and 314 transitions. [2019-11-20 02:46:57,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 02:46:57,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-20 02:46:57,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:46:57,756 INFO L225 Difference]: With dead ends: 228 [2019-11-20 02:46:57,756 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 02:46:57,758 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 02:46:57,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 02:46:57,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 02:46:57,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 02:46:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 02:46:57,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2019-11-20 02:46:57,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:46:57,761 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:46:57,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 02:46:57,762 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:46:57,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:46:57,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 02:46:58,085 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 02:46:58,086 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 02:46:58,086 INFO L440 ceAbstractionStarter]: At program point L863(lines 1 874) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 02:46:58,086 INFO L444 ceAbstractionStarter]: For program point L302(lines 302 306) no Hoare annotation was computed. [2019-11-20 02:46:58,086 INFO L444 ceAbstractionStarter]: For program point L302-3(lines 302 306) no Hoare annotation was computed. [2019-11-20 02:46:58,087 INFO L444 ceAbstractionStarter]: For program point L302-6(lines 302 306) no Hoare annotation was computed. [2019-11-20 02:46:58,087 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 193) no Hoare annotation was computed. [2019-11-20 02:46:58,087 INFO L440 ceAbstractionStarter]: At program point L187-1(lines 187 193) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:46:58,087 INFO L440 ceAbstractionStarter]: At program point L435(lines 431 437) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0)) [2019-11-20 02:46:58,087 INFO L440 ceAbstractionStarter]: At program point L73(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:46:58,088 INFO L440 ceAbstractionStarter]: At program point L73-1(lines 73 79) the Hoare annotation is: false [2019-11-20 02:46:58,088 INFO L440 ceAbstractionStarter]: At program point L73-2(lines 73 79) the Hoare annotation is: false [2019-11-20 02:46:58,088 INFO L440 ceAbstractionStarter]: At program point L387-2(lines 387 401) the Hoare annotation is: false [2019-11-20 02:46:58,088 INFO L444 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-11-20 02:46:58,088 INFO L440 ceAbstractionStarter]: At program point L222-1(lines 222 228) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:46:58,089 INFO L447 ceAbstractionStarter]: At program point L470(lines 451 473) the Hoare annotation is: true [2019-11-20 02:46:58,089 INFO L440 ceAbstractionStarter]: At program point L371(lines 366 374) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:46:58,092 INFO L440 ceAbstractionStarter]: At program point L371-1(lines 366 374) the Hoare annotation is: false [2019-11-20 02:46:58,092 INFO L440 ceAbstractionStarter]: At program point L371-2(lines 366 374) the Hoare annotation is: false [2019-11-20 02:46:58,092 INFO L444 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2019-11-20 02:46:58,093 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 02:46:58,093 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 02:46:58,093 INFO L444 ceAbstractionStarter]: For program point L242(lines 242 255) no Hoare annotation was computed. [2019-11-20 02:46:58,094 INFO L440 ceAbstractionStarter]: At program point L143(lines 138 146) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:46:58,095 INFO L440 ceAbstractionStarter]: At program point L143-1(lines 138 146) the Hoare annotation is: false [2019-11-20 02:46:58,095 INFO L440 ceAbstractionStarter]: At program point L143-2(lines 138 146) the Hoare annotation is: false [2019-11-20 02:46:58,096 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-20 02:46:58,096 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-20 02:46:58,096 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-20 02:46:58,096 INFO L444 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2019-11-20 02:46:58,096 INFO L444 ceAbstractionStarter]: For program point L391-1(lines 66 72) no Hoare annotation was computed. [2019-11-20 02:46:58,097 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 02:46:58,098 INFO L440 ceAbstractionStarter]: At program point L871(lines 866 874) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-20 02:46:58,099 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 330) no Hoare annotation was computed. [2019-11-20 02:46:58,099 INFO L440 ceAbstractionStarter]: At program point L260(lines 211 261) the Hoare annotation is: false [2019-11-20 02:46:58,100 INFO L444 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2019-11-20 02:46:58,100 INFO L440 ceAbstractionStarter]: At program point L278-1(lines 1 874) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:46:58,100 INFO L444 ceAbstractionStarter]: For program point L278-2(lines 278 291) no Hoare annotation was computed. [2019-11-20 02:46:58,100 INFO L440 ceAbstractionStarter]: At program point L278-3(lines 1 874) the Hoare annotation is: false [2019-11-20 02:46:58,101 INFO L444 ceAbstractionStarter]: For program point L278-4(lines 278 291) no Hoare annotation was computed. [2019-11-20 02:46:58,101 INFO L440 ceAbstractionStarter]: At program point L278-5(lines 1 874) the Hoare annotation is: false [2019-11-20 02:46:58,101 INFO L444 ceAbstractionStarter]: For program point L213(lines 212 259) no Hoare annotation was computed. [2019-11-20 02:46:58,102 INFO L444 ceAbstractionStarter]: For program point L461(lines 461 468) no Hoare annotation was computed. [2019-11-20 02:46:58,102 INFO L447 ceAbstractionStarter]: At program point L461-1(lines 461 468) the Hoare annotation is: true [2019-11-20 02:46:58,102 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 02:46:58,102 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 02:46:58,102 INFO L444 ceAbstractionStarter]: For program point L214(lines 214 218) no Hoare annotation was computed. [2019-11-20 02:46:58,103 INFO L440 ceAbstractionStarter]: At program point L66(lines 65 84) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:46:58,103 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2019-11-20 02:46:58,103 INFO L440 ceAbstractionStarter]: At program point L66-2(lines 65 84) the Hoare annotation is: false [2019-11-20 02:46:58,103 INFO L440 ceAbstractionStarter]: At program point L66-3(lines 65 84) the Hoare annotation is: false [2019-11-20 02:46:58,104 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 318) no Hoare annotation was computed. [2019-11-20 02:46:58,104 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 254) no Hoare annotation was computed. [2019-11-20 02:46:58,104 INFO L440 ceAbstractionStarter]: At program point L248-1(lines 66 72) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:46:58,104 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 238) no Hoare annotation was computed. [2019-11-20 02:46:58,105 INFO L440 ceAbstractionStarter]: At program point L232-1(lines 232 238) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:46:58,105 INFO L444 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2019-11-20 02:46:58,106 INFO L444 ceAbstractionStarter]: For program point L282-2(lines 282 288) no Hoare annotation was computed. [2019-11-20 02:46:58,106 INFO L444 ceAbstractionStarter]: For program point L282-4(lines 282 288) no Hoare annotation was computed. [2019-11-20 02:46:58,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:46:58 BoogieIcfgContainer [2019-11-20 02:46:58,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:46:58,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:46:58,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:46:58,133 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:46:58,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:46:55" (3/4) ... [2019-11-20 02:46:58,138 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:46:58,161 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 02:46:58,162 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 02:46:58,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 02:46:58,164 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 02:46:58,165 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 02:46:58,165 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:46:58,209 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-20 02:46:58,209 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == waterLevel [2019-11-20 02:46:58,212 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 02:46:58,276 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_33471e91-7c1b-4212-801b-e4bd04c2ea5a/bin/uautomizer/witness.graphml [2019-11-20 02:46:58,276 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:46:58,279 INFO L168 Benchmark]: Toolchain (without parser) took 3964.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.5 MB in the beginning and 890.6 MB in the end (delta: 60.9 MB). Peak memory consumption was 208.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:46:58,279 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:46:58,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -178.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:46:58,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.70 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:46:58,281 INFO L168 Benchmark]: Boogie Preprocessor took 35.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:46:58,281 INFO L168 Benchmark]: RCFGBuilder took 800.97 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: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:46:58,282 INFO L168 Benchmark]: TraceAbstraction took 2239.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 897.4 MB in the end (delta: 177.3 MB). Peak memory consumption was 177.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:46:58,282 INFO L168 Benchmark]: Witness Printer took 144.36 ms. Allocated memory is still 1.2 GB. Free memory was 897.4 MB in the beginning and 890.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:46:58,284 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 669.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -178.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.70 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.55 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 800.97 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: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2239.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 897.4 MB in the end (delta: 177.3 MB). Peak memory consumption was 177.3 MB. Max. memory is 11.5 GB. * Witness Printer took 144.36 ms. Allocated memory is still 1.2 GB. Free memory was 897.4 MB in the beginning and 890.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: (((tmp == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == waterLevel - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 294 SDtfs, 540 SDslu, 560 SDs, 0 SdLazy, 117 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=4, 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, 6 MinimizatonAttempts, 148 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 129 NumberOfFragments, 119 HoareAnnotationTreeSize, 26 FomulaSimplifications, 5859 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 8254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 14/14 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...