./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.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_1d608f05-a206-4a7f-9187-ce4c171e9f55/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d608f05-a206-4a7f-9187-ce4c171e9f55/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d608f05-a206-4a7f-9187-ce4c171e9f55/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d608f05-a206-4a7f-9187-ce4c171e9f55/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1d608f05-a206-4a7f-9187-ce4c171e9f55/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d608f05-a206-4a7f-9187-ce4c171e9f55/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 09e3ebf9e88b37df43a29457dc1ad9a694c62daa ............................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:15:01,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:15:01,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:15:01,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:15:01,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:15:01,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:15:01,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:15:01,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:15:01,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:15:01,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:15:01,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:15:01,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:15:01,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:15:01,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:15:01,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:15:01,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:15:01,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:15:01,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:15:01,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:15:01,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:15:01,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:15:01,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:15:01,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:15:01,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:15:01,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:15:01,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:15:01,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:15:01,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:15:01,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:15:01,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:15:01,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:15:01,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:15:01,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:15:01,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:15:01,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:15:01,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:15:01,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:15:01,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:15:01,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:15:01,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:15:01,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:15:01,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d608f05-a206-4a7f-9187-ce4c171e9f55/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 07:15:01,327 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:15:01,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:15:01,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:15:01,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:15:01,338 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:15:01,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:15:01,339 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:15:01,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:15:01,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:15:01,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:15:01,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:15:01,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:15:01,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:15:01,340 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:15:01,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:15:01,341 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:15:01,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:15:01,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:15:01,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:15:01,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:15:01,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 07:15:01,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:15:01,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:15:01,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:15:01,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:15:01,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:15:01,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:15:01,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:15:01,344 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_1d608f05-a206-4a7f-9187-ce4c171e9f55/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 -> 09e3ebf9e88b37df43a29457dc1ad9a694c62daa [2019-11-20 07:15:01,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:15:01,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:15:01,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:15:01,544 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:15:01,544 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:15:01,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d608f05-a206-4a7f-9187-ce4c171e9f55/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2019-11-20 07:15:01,603 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d608f05-a206-4a7f-9187-ce4c171e9f55/bin/uautomizer/data/92483e4bd/e29d711f479f493ca13f6ccfafca9679/FLAGf76d6e36d [2019-11-20 07:15:02,031 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:15:02,032 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d608f05-a206-4a7f-9187-ce4c171e9f55/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2019-11-20 07:15:02,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d608f05-a206-4a7f-9187-ce4c171e9f55/bin/uautomizer/data/92483e4bd/e29d711f479f493ca13f6ccfafca9679/FLAGf76d6e36d [2019-11-20 07:15:02,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d608f05-a206-4a7f-9187-ce4c171e9f55/bin/uautomizer/data/92483e4bd/e29d711f479f493ca13f6ccfafca9679 [2019-11-20 07:15:02,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:15:02,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:15:02,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:15:02,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:15:02,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:15:02,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:15:02" (1/1) ... [2019-11-20 07:15:02,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d708d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:02, skipping insertion in model container [2019-11-20 07:15:02,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:15:02" (1/1) ... [2019-11-20 07:15:02,364 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:15:02,423 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:15:02,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:15:02,879 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:15:02,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:15:02,997 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:15:02,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:02 WrapperNode [2019-11-20 07:15:02,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:15:02,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:15:02,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:15:02,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:15:03,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:02" (1/1) ... [2019-11-20 07:15:03,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:02" (1/1) ... [2019-11-20 07:15:03,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:15:03,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:15:03,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:15:03,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:15:03,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:02" (1/1) ... [2019-11-20 07:15:03,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:02" (1/1) ... [2019-11-20 07:15:03,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:02" (1/1) ... [2019-11-20 07:15:03,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:02" (1/1) ... [2019-11-20 07:15:03,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:02" (1/1) ... [2019-11-20 07:15:03,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:02" (1/1) ... [2019-11-20 07:15:03,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:02" (1/1) ... [2019-11-20 07:15:03,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:15:03,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:15:03,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:15:03,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:15:03,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d608f05-a206-4a7f-9187-ce4c171e9f55/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 07:15:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:15:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 07:15:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:15:03,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:15:04,025 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:15:04,025 INFO L285 CfgBuilder]: Removed 108 assume(true) statements. [2019-11-20 07:15:04,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:15:04 BoogieIcfgContainer [2019-11-20 07:15:04,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:15:04,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 07:15:04,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 07:15:04,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 07:15:04,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:15:02" (1/3) ... [2019-11-20 07:15:04,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0a687e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:15:04, skipping insertion in model container [2019-11-20 07:15:04,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:02" (2/3) ... [2019-11-20 07:15:04,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0a687e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:15:04, skipping insertion in model container [2019-11-20 07:15:04,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:15:04" (3/3) ... [2019-11-20 07:15:04,041 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product16.cil.c [2019-11-20 07:15:04,052 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 07:15:04,059 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 07:15:04,069 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 07:15:04,099 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 07:15:04,099 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 07:15:04,099 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 07:15:04,099 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:15:04,099 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:15:04,100 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 07:15:04,100 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:15:04,100 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 07:15:04,113 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-11-20 07:15:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:15:04,118 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:15:04,119 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:15:04,119 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:15:04,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:15:04,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1926736589, now seen corresponding path program 1 times [2019-11-20 07:15:04,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:15:04,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995267314] [2019-11-20 07:15:04,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:15:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:15:04,342 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 07:15:04,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995267314] [2019-11-20 07:15:04,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:15:04,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 07:15:04,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347083777] [2019-11-20 07:15:04,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 07:15:04,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:15:04,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 07:15:04,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 07:15:04,364 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-11-20 07:15:04,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:15:04,389 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-11-20 07:15:04,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 07:15:04,390 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-20 07:15:04,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:15:04,401 INFO L225 Difference]: With dead ends: 148 [2019-11-20 07:15:04,401 INFO L226 Difference]: Without dead ends: 73 [2019-11-20 07:15:04,404 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 07:15:04,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-20 07:15:04,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-11-20 07:15:04,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-20 07:15:04,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-11-20 07:15:04,443 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2019-11-20 07:15:04,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:15:04,444 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-11-20 07:15:04,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 07:15:04,444 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-11-20 07:15:04,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 07:15:04,445 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:15:04,445 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:15:04,446 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:15:04,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:15:04,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1015705836, now seen corresponding path program 1 times [2019-11-20 07:15:04,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:15:04,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114623542] [2019-11-20 07:15:04,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:15:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:15:04,535 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 07:15:04,535 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114623542] [2019-11-20 07:15:04,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:15:04,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 07:15:04,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672166890] [2019-11-20 07:15:04,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 07:15:04,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:15:04,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:15:04,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:15:04,538 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2019-11-20 07:15:04,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:15:04,548 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-11-20 07:15:04,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:15:04,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-20 07:15:04,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:15:04,550 INFO L225 Difference]: With dead ends: 73 [2019-11-20 07:15:04,551 INFO L226 Difference]: Without dead ends: 35 [2019-11-20 07:15:04,552 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 07:15:04,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-20 07:15:04,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-20 07:15:04,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-20 07:15:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-11-20 07:15:04,560 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-11-20 07:15:04,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:15:04,560 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-11-20 07:15:04,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 07:15:04,561 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-11-20 07:15:04,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 07:15:04,562 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:15:04,562 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:15:04,562 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:15:04,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:15:04,563 INFO L82 PathProgramCache]: Analyzing trace with hash 428358184, now seen corresponding path program 1 times [2019-11-20 07:15:04,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:15:04,563 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955181688] [2019-11-20 07:15:04,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:15:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:15:04,684 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 07:15:04,684 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955181688] [2019-11-20 07:15:04,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:15:04,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 07:15:04,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688490153] [2019-11-20 07:15:04,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 07:15:04,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:15:04,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 07:15:04,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 07:15:04,686 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2019-11-20 07:15:04,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:15:04,787 INFO L93 Difference]: Finished difference Result 89 states and 129 transitions. [2019-11-20 07:15:04,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 07:15:04,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-20 07:15:04,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:15:04,789 INFO L225 Difference]: With dead ends: 89 [2019-11-20 07:15:04,789 INFO L226 Difference]: Without dead ends: 60 [2019-11-20 07:15:04,790 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 07:15:04,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-20 07:15:04,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-11-20 07:15:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-11-20 07:15:04,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2019-11-20 07:15:04,806 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24 [2019-11-20 07:15:04,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:15:04,807 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2019-11-20 07:15:04,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 07:15:04,807 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2019-11-20 07:15:04,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 07:15:04,808 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:15:04,808 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:15:04,808 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:15:04,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:15:04,809 INFO L82 PathProgramCache]: Analyzing trace with hash 796513325, now seen corresponding path program 1 times [2019-11-20 07:15:04,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:15:04,809 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351922250] [2019-11-20 07:15:04,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:15:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:15:04,915 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 07:15:04,915 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351922250] [2019-11-20 07:15:04,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:15:04,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 07:15:04,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419846158] [2019-11-20 07:15:04,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 07:15:04,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:15:04,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 07:15:04,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 07:15:04,917 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2019-11-20 07:15:05,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:15:05,051 INFO L93 Difference]: Finished difference Result 292 states and 446 transitions. [2019-11-20 07:15:05,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 07:15:05,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-20 07:15:05,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:15:05,055 INFO L225 Difference]: With dead ends: 292 [2019-11-20 07:15:05,055 INFO L226 Difference]: Without dead ends: 242 [2019-11-20 07:15:05,056 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 [2019-11-20 07:15:05,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-11-20 07:15:05,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 100. [2019-11-20 07:15:05,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-20 07:15:05,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2019-11-20 07:15:05,098 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 25 [2019-11-20 07:15:05,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:15:05,098 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2019-11-20 07:15:05,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 07:15:05,099 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2019-11-20 07:15:05,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 07:15:05,106 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:15:05,106 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:15:05,106 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:15:05,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:15:05,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1162795665, now seen corresponding path program 1 times [2019-11-20 07:15:05,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:15:05,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190640914] [2019-11-20 07:15:05,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:15:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:15:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:15:05,339 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:15:05,340 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 07:15:05,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:15:05 BoogieIcfgContainer [2019-11-20 07:15:05,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:15:05,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:15:05,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:15:05,473 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:15:05,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:15:04" (3/4) ... [2019-11-20 07:15:05,477 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 07:15:05,562 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1d608f05-a206-4a7f-9187-ce4c171e9f55/bin/uautomizer/witness.graphml [2019-11-20 07:15:05,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:15:05,564 INFO L168 Benchmark]: Toolchain (without parser) took 3226.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 944.7 MB in the beginning and 928.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 145.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:15:05,565 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:15:05,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-20 07:15:05,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:15:05,566 INFO L168 Benchmark]: Boogie Preprocessor took 61.64 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 07:15:05,566 INFO L168 Benchmark]: RCFGBuilder took 890.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:15:05,567 INFO L168 Benchmark]: TraceAbstraction took 1442.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 939.0 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:15:05,567 INFO L168 Benchmark]: Witness Printer took 89.56 ms. Allocated memory is still 1.2 GB. Free memory was 939.0 MB in the beginning and 928.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:15:05,569 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 658.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.64 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 890.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1442.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 939.0 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * Witness Printer took 89.56 ms. Allocated memory is still 1.2 GB. Free memory was 939.0 MB in the beginning and 928.3 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: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int cleanupTimeShifts = 4; [L322] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L806] int waterLevel = 1; [L807] int methaneLevelCritical = 0; [L130] int retValue_acc ; [L131] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L796] int retValue_acc ; [L799] retValue_acc = 1 [L800] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L137] tmp = valid_product() [L139] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] int splverifierCounter ; [L523] int tmp ; [L524] int tmp___0 ; [L525] int tmp___1 ; [L526] int tmp___2 ; [L529] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L539] tmp = __VERIFIER_nondet_int() [L541] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L824] COND TRUE waterLevel < 2 [L825] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L549] tmp___0 = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L559] tmp___2 = __VERIFIER_nondet_int() [L561] COND TRUE \read(tmp___2) [L765] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L604] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L611] COND TRUE \read(systemActive) [L633] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L636] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L887] int tmp ; [L888] int tmp___0 ; [L889] int tmp___1 ; [L845] int retValue_acc ; [L848] retValue_acc = methaneLevelCritical [L849] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L893] tmp = isMethaneLevelCritical() [L895] COND FALSE !(\read(tmp)) [L877] int retValue_acc ; [L880] retValue_acc = waterLevel [L881] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L899] tmp___0 = getWaterLevel() [L901] COND TRUE tmp___0 == 2 [L702] int retValue_acc ; [L705] retValue_acc = pumpRunning [L706] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L903] tmp___1 = isPumpRunning() [L905] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 447 SDslu, 230 SDs, 0 SdLazy, 41 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred 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, 4 MinimizatonAttempts, 146 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3028 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...