./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/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 96fab9ebc0a7c1449817f0fde656dfd4d62824fd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:51:51,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:51:51,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:51:51,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:51:51,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:51:51,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:51:51,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:51:51,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:51:51,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:51:51,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:51:51,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:51:51,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:51:51,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:51:51,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:51:51,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:51:51,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:51:51,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:51:51,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:51:51,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:51:51,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:51:51,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:51:51,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:51:51,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:51:51,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:51:51,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:51:51,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:51:51,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:51:51,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:51:51,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:51:51,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:51:51,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:51:51,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:51:51,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:51:51,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:51:51,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:51:51,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:51:51,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:51:51,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:51:51,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:51:51,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:51:51,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:51:51,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 13:51:51,299 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:51:51,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:51:51,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:51:51,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:51:51,300 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:51:51,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:51:51,300 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:51:51,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:51:51,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:51:51,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:51:51,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:51:51,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:51:51,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:51:51,301 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:51:51,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:51:51,302 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:51:51,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:51:51,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:51:51,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:51:51,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:51:51,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:51:51,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:51:51,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:51:51,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:51:51,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:51:51,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:51:51,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:51:51,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:51:51,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:51:51,304 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_b2073874-af11-4f1e-babd-6f21d7ea3dd9/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 -> 96fab9ebc0a7c1449817f0fde656dfd4d62824fd [2019-12-07 13:51:51,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:51:51,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:51:51,413 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:51:51,414 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:51:51,415 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:51:51,415 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2019-12-07 13:51:51,457 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/bin/uautomizer/data/deb72c5aa/be204ee904dd46fb923d75029cfc21f7/FLAGd326f2b57 [2019-12-07 13:51:51,927 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:51:51,928 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2019-12-07 13:51:51,935 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/bin/uautomizer/data/deb72c5aa/be204ee904dd46fb923d75029cfc21f7/FLAGd326f2b57 [2019-12-07 13:51:52,436 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/bin/uautomizer/data/deb72c5aa/be204ee904dd46fb923d75029cfc21f7 [2019-12-07 13:51:52,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:51:52,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:51:52,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:51:52,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:51:52,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:51:52,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:51:52" (1/1) ... [2019-12-07 13:51:52,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b2f2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:52, skipping insertion in model container [2019-12-07 13:51:52,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:51:52" (1/1) ... [2019-12-07 13:51:52,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:51:52,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:51:52,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:51:52,715 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:51:52,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:51:52,789 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:51:52,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:52 WrapperNode [2019-12-07 13:51:52,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:51:52,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:51:52,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:51:52,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:51:52,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:52" (1/1) ... [2019-12-07 13:51:52,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:52" (1/1) ... [2019-12-07 13:51:52,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:51:52,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:51:52,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:51:52,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:51:52,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:52" (1/1) ... [2019-12-07 13:51:52,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:52" (1/1) ... [2019-12-07 13:51:52,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:52" (1/1) ... [2019-12-07 13:51:52,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:52" (1/1) ... [2019-12-07 13:51:52,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:52" (1/1) ... [2019-12-07 13:51:52,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:52" (1/1) ... [2019-12-07 13:51:52,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:52" (1/1) ... [2019-12-07 13:51:52,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:51:52,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:51:52,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:51:52,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:51:52,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:51:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:51:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 13:51:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:51:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:51:53,358 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:51:53,358 INFO L287 CfgBuilder]: Removed 158 assume(true) statements. [2019-12-07 13:51:53,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:51:53 BoogieIcfgContainer [2019-12-07 13:51:53,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:51:53,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:51:53,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:51:53,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:51:53,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:51:52" (1/3) ... [2019-12-07 13:51:53,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c82a12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:51:53, skipping insertion in model container [2019-12-07 13:51:53,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:51:52" (2/3) ... [2019-12-07 13:51:53,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c82a12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:51:53, skipping insertion in model container [2019-12-07 13:51:53,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:51:53" (3/3) ... [2019-12-07 13:51:53,363 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2019-12-07 13:51:53,370 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:51:53,375 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:51:53,382 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:51:53,397 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:51:53,397 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:51:53,397 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:51:53,397 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:51:53,398 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:51:53,398 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:51:53,398 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:51:53,398 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:51:53,409 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-12-07 13:51:53,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 13:51:53,413 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:53,414 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:53,414 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:53,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:53,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1800894747, now seen corresponding path program 1 times [2019-12-07 13:51:53,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:53,423 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064320785] [2019-12-07 13:51:53,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:51:53,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064320785] [2019-12-07 13:51:53,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:51:53,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:51:53,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513309684] [2019-12-07 13:51:53,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:51:53,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:53,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:51:53,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:51:53,584 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-12-07 13:51:53,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:53,605 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-12-07 13:51:53,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:51:53,606 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 13:51:53,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:53,613 INFO L225 Difference]: With dead ends: 228 [2019-12-07 13:51:53,614 INFO L226 Difference]: Without dead ends: 113 [2019-12-07 13:51:53,616 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:51:53,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-12-07 13:51:53,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-12-07 13:51:53,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-12-07 13:51:53,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-12-07 13:51:53,646 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2019-12-07 13:51:53,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:53,646 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-12-07 13:51:53,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:51:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-12-07 13:51:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 13:51:53,647 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:53,647 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:53,647 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:53,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:53,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1447315652, now seen corresponding path program 1 times [2019-12-07 13:51:53,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:53,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623924931] [2019-12-07 13:51:53,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:53,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:51:53,708 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623924931] [2019-12-07 13:51:53,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:51:53,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:51:53,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571223878] [2019-12-07 13:51:53,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:51:53,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:53,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:51:53,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:51:53,711 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2019-12-07 13:51:53,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:53,721 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-12-07 13:51:53,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:51:53,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 13:51:53,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:53,722 INFO L225 Difference]: With dead ends: 113 [2019-12-07 13:51:53,722 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 13:51:53,723 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:51:53,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 13:51:53,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 13:51:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 13:51:53,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-12-07 13:51:53,727 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2019-12-07 13:51:53,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:53,728 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-12-07 13:51:53,728 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:51:53,728 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-12-07 13:51:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 13:51:53,728 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:53,728 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:53,729 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:53,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:53,729 INFO L82 PathProgramCache]: Analyzing trace with hash -230586389, now seen corresponding path program 1 times [2019-12-07 13:51:53,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:53,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88453641] [2019-12-07 13:51:53,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:51:53,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88453641] [2019-12-07 13:51:53,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:51:53,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:51:53,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254853393] [2019-12-07 13:51:53,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:51:53,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:53,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:51:53,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:51:53,799 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 5 states. [2019-12-07 13:51:53,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:53,838 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-12-07 13:51:53,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:51:53,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-12-07 13:51:53,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:53,839 INFO L225 Difference]: With dead ends: 88 [2019-12-07 13:51:53,839 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 13:51:53,840 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:51:53,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 13:51:53,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 13:51:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 13:51:53,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-12-07 13:51:53,844 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2019-12-07 13:51:53,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:53,844 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-12-07 13:51:53,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:51:53,845 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-12-07 13:51:53,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:51:53,845 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:53,845 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:53,846 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:53,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:53,846 INFO L82 PathProgramCache]: Analyzing trace with hash -108421843, now seen corresponding path program 1 times [2019-12-07 13:51:53,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:53,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230031348] [2019-12-07 13:51:53,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:51:53,879 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230031348] [2019-12-07 13:51:53,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:51:53,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:51:53,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579682628] [2019-12-07 13:51:53,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:51:53,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:53,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:51:53,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:51:53,880 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-12-07 13:51:53,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:53,907 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2019-12-07 13:51:53,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:51:53,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 13:51:53,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:53,908 INFO L225 Difference]: With dead ends: 109 [2019-12-07 13:51:53,908 INFO L226 Difference]: Without dead ends: 68 [2019-12-07 13:51:53,909 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 [2019-12-07 13:51:53,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-12-07 13:51:53,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2019-12-07 13:51:53,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-12-07 13:51:53,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2019-12-07 13:51:53,915 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2019-12-07 13:51:53,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:53,916 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2019-12-07 13:51:53,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:51:53,916 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2019-12-07 13:51:53,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 13:51:53,916 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:53,917 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, 1, 1, 1, 1] [2019-12-07 13:51:53,917 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:53,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:53,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1619186466, now seen corresponding path program 1 times [2019-12-07 13:51:53,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:53,917 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442348199] [2019-12-07 13:51:53,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:53,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:51:53,955 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442348199] [2019-12-07 13:51:53,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:51:53,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:51:53,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564543607] [2019-12-07 13:51:53,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:51:53,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:53,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:51:53,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:51:53,956 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2019-12-07 13:51:54,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:54,010 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2019-12-07 13:51:54,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:51:54,010 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 13:51:54,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:54,011 INFO L225 Difference]: With dead ends: 175 [2019-12-07 13:51:54,011 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 13:51:54,012 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:51:54,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 13:51:54,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2019-12-07 13:51:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 13:51:54,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2019-12-07 13:51:54,019 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2019-12-07 13:51:54,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:54,019 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2019-12-07 13:51:54,019 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:51:54,019 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2019-12-07 13:51:54,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 13:51:54,020 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:54,020 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, 1, 1, 1, 1] [2019-12-07 13:51:54,020 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:54,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:54,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1043324577, now seen corresponding path program 1 times [2019-12-07 13:51:54,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:54,021 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716901152] [2019-12-07 13:51:54,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:54,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:51:54,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716901152] [2019-12-07 13:51:54,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:51:54,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 13:51:54,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216471067] [2019-12-07 13:51:54,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:51:54,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:54,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:51:54,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:51:54,080 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 8 states. [2019-12-07 13:51:54,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:54,313 INFO L93 Difference]: Finished difference Result 461 states and 653 transitions. [2019-12-07 13:51:54,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 13:51:54,313 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2019-12-07 13:51:54,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:54,315 INFO L225 Difference]: With dead ends: 461 [2019-12-07 13:51:54,315 INFO L226 Difference]: Without dead ends: 395 [2019-12-07 13:51:54,316 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-12-07 13:51:54,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-12-07 13:51:54,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 173. [2019-12-07 13:51:54,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-12-07 13:51:54,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2019-12-07 13:51:54,334 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 30 [2019-12-07 13:51:54,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:54,334 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2019-12-07 13:51:54,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:51:54,335 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2019-12-07 13:51:54,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-07 13:51:54,336 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:54,337 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2019-12-07 13:51:54,337 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:54,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:54,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1625643979, now seen corresponding path program 1 times [2019-12-07 13:51:54,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:54,337 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145320107] [2019-12-07 13:51:54,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:54,372 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 13:51:54,372 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145320107] [2019-12-07 13:51:54,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:51:54,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:51:54,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634558349] [2019-12-07 13:51:54,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:51:54,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:54,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:51:54,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:51:54,374 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand 4 states. [2019-12-07 13:51:54,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:54,409 INFO L93 Difference]: Finished difference Result 379 states and 513 transitions. [2019-12-07 13:51:54,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:51:54,409 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2019-12-07 13:51:54,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:54,410 INFO L225 Difference]: With dead ends: 379 [2019-12-07 13:51:54,410 INFO L226 Difference]: Without dead ends: 212 [2019-12-07 13:51:54,411 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:51:54,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-12-07 13:51:54,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 152. [2019-12-07 13:51:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-12-07 13:51:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 202 transitions. [2019-12-07 13:51:54,423 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 202 transitions. Word has length 50 [2019-12-07 13:51:54,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:54,423 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 202 transitions. [2019-12-07 13:51:54,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:51:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 202 transitions. [2019-12-07 13:51:54,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 13:51:54,433 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:54,433 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2019-12-07 13:51:54,433 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:54,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:54,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1653055247, now seen corresponding path program 1 times [2019-12-07 13:51:54,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:54,435 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119133025] [2019-12-07 13:51:54,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 13:51:54,475 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119133025] [2019-12-07 13:51:54,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:51:54,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:51:54,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821333223] [2019-12-07 13:51:54,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:51:54,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:54,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:51:54,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:51:54,476 INFO L87 Difference]: Start difference. First operand 152 states and 202 transitions. Second operand 5 states. [2019-12-07 13:51:54,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:54,515 INFO L93 Difference]: Finished difference Result 514 states and 704 transitions. [2019-12-07 13:51:54,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:51:54,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-07 13:51:54,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:54,518 INFO L225 Difference]: With dead ends: 514 [2019-12-07 13:51:54,518 INFO L226 Difference]: Without dead ends: 392 [2019-12-07 13:51:54,518 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:51:54,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-12-07 13:51:54,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 158. [2019-12-07 13:51:54,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-12-07 13:51:54,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 208 transitions. [2019-12-07 13:51:54,530 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 208 transitions. Word has length 51 [2019-12-07 13:51:54,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:54,530 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 208 transitions. [2019-12-07 13:51:54,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:51:54,530 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 208 transitions. [2019-12-07 13:51:54,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 13:51:54,532 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:54,532 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2019-12-07 13:51:54,532 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:54,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:54,532 INFO L82 PathProgramCache]: Analyzing trace with hash -2046082257, now seen corresponding path program 1 times [2019-12-07 13:51:54,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:54,532 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264635481] [2019-12-07 13:51:54,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 13:51:54,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264635481] [2019-12-07 13:51:54,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:51:54,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:51:54,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28343130] [2019-12-07 13:51:54,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:51:54,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:54,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:51:54,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:51:54,570 INFO L87 Difference]: Start difference. First operand 158 states and 208 transitions. Second operand 5 states. [2019-12-07 13:51:54,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:54,675 INFO L93 Difference]: Finished difference Result 414 states and 551 transitions. [2019-12-07 13:51:54,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 13:51:54,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-07 13:51:54,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:54,678 INFO L225 Difference]: With dead ends: 414 [2019-12-07 13:51:54,678 INFO L226 Difference]: Without dead ends: 412 [2019-12-07 13:51:54,679 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:51:54,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-12-07 13:51:54,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 158. [2019-12-07 13:51:54,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-12-07 13:51:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2019-12-07 13:51:54,696 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 51 [2019-12-07 13:51:54,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:54,696 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2019-12-07 13:51:54,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:51:54,696 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2019-12-07 13:51:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 13:51:54,697 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:54,697 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:54,698 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:54,698 INFO L82 PathProgramCache]: Analyzing trace with hash 772811102, now seen corresponding path program 1 times [2019-12-07 13:51:54,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:54,698 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755734711] [2019-12-07 13:51:54,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:54,756 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:51:54,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755734711] [2019-12-07 13:51:54,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659721345] [2019-12-07 13:51:54,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:51:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:54,844 INFO L264 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 13:51:54,850 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:51:54,872 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:51:54,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:51:54,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-12-07 13:51:54,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534109458] [2019-12-07 13:51:54,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:51:54,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:54,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:51:54,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:51:54,874 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand 6 states. [2019-12-07 13:51:55,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:55,007 INFO L93 Difference]: Finished difference Result 459 states and 614 transitions. [2019-12-07 13:51:55,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 13:51:55,008 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-12-07 13:51:55,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:55,010 INFO L225 Difference]: With dead ends: 459 [2019-12-07 13:51:55,010 INFO L226 Difference]: Without dead ends: 331 [2019-12-07 13:51:55,011 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-12-07 13:51:55,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-12-07 13:51:55,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 201. [2019-12-07 13:51:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-12-07 13:51:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 262 transitions. [2019-12-07 13:51:55,030 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 262 transitions. Word has length 52 [2019-12-07 13:51:55,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:55,030 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 262 transitions. [2019-12-07 13:51:55,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:51:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 262 transitions. [2019-12-07 13:51:55,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-07 13:51:55,031 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:55,032 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:55,232 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:51:55,232 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:55,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:55,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1104899688, now seen corresponding path program 2 times [2019-12-07 13:51:55,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:55,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284456436] [2019-12-07 13:51:55,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:55,344 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 13:51:55,345 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284456436] [2019-12-07 13:51:55,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:51:55,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:51:55,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294642509] [2019-12-07 13:51:55,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:51:55,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:55,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:51:55,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:51:55,346 INFO L87 Difference]: Start difference. First operand 201 states and 262 transitions. Second operand 5 states. [2019-12-07 13:51:55,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:55,556 INFO L93 Difference]: Finished difference Result 608 states and 806 transitions. [2019-12-07 13:51:55,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:51:55,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-12-07 13:51:55,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:55,559 INFO L225 Difference]: With dead ends: 608 [2019-12-07 13:51:55,559 INFO L226 Difference]: Without dead ends: 436 [2019-12-07 13:51:55,560 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:51:55,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2019-12-07 13:51:55,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 274. [2019-12-07 13:51:55,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-12-07 13:51:55,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 355 transitions. [2019-12-07 13:51:55,590 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 355 transitions. Word has length 73 [2019-12-07 13:51:55,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:55,591 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 355 transitions. [2019-12-07 13:51:55,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:51:55,591 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 355 transitions. [2019-12-07 13:51:55,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-07 13:51:55,592 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:51:55,592 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:51:55,592 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:51:55,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:51:55,593 INFO L82 PathProgramCache]: Analyzing trace with hash -830140074, now seen corresponding path program 1 times [2019-12-07 13:51:55,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:51:55,593 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761058262] [2019-12-07 13:51:55,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:51:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:51:55,656 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 13:51:55,656 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761058262] [2019-12-07 13:51:55,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:51:55,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 13:51:55,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213983588] [2019-12-07 13:51:55,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 13:51:55,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:51:55,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 13:51:55,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:51:55,657 INFO L87 Difference]: Start difference. First operand 274 states and 355 transitions. Second operand 7 states. [2019-12-07 13:51:55,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:51:55,724 INFO L93 Difference]: Finished difference Result 483 states and 625 transitions. [2019-12-07 13:51:55,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:51:55,725 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-12-07 13:51:55,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:51:55,725 INFO L225 Difference]: With dead ends: 483 [2019-12-07 13:51:55,725 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:51:55,726 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-07 13:51:55,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:51:55,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:51:55,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:51:55,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:51:55,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2019-12-07 13:51:55,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:51:55,726 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:51:55,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 13:51:55,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:51:55,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:51:55,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:51:56,491 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 25 [2019-12-07 13:51:56,658 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 24 [2019-12-07 13:51:56,990 WARN L192 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2019-12-07 13:51:57,467 WARN L192 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2019-12-07 13:51:58,238 WARN L192 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 22 [2019-12-07 13:51:58,408 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 29 [2019-12-07 13:51:58,648 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 27 [2019-12-07 13:51:59,869 WARN L192 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2019-12-07 13:52:00,492 WARN L192 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 15 [2019-12-07 13:52:00,523 INFO L246 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2019-12-07 13:52:00,524 INFO L246 CegarLoopResult]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2019-12-07 13:52:00,524 INFO L246 CegarLoopResult]: For program point L861-3(lines 861 865) no Hoare annotation was computed. [2019-12-07 13:52:00,524 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-12-07 13:52:00,524 INFO L246 CegarLoopResult]: For program point L861-5(lines 861 865) no Hoare annotation was computed. [2019-12-07 13:52:00,525 INFO L242 CegarLoopResult]: At program point L663(lines 658 666) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse3 .cse4))) [2019-12-07 13:52:00,525 INFO L246 CegarLoopResult]: For program point L861-6(lines 861 865) no Hoare annotation was computed. [2019-12-07 13:52:00,525 INFO L242 CegarLoopResult]: At program point L663-1(lines 658 666) the Hoare annotation is: false [2019-12-07 13:52:00,525 INFO L246 CegarLoopResult]: For program point L861-8(lines 861 865) no Hoare annotation was computed. [2019-12-07 13:52:00,525 INFO L242 CegarLoopResult]: At program point L663-2(lines 658 666) the Hoare annotation is: false [2019-12-07 13:52:00,525 INFO L246 CegarLoopResult]: For program point L861-9(lines 861 865) no Hoare annotation was computed. [2019-12-07 13:52:00,526 INFO L242 CegarLoopResult]: At program point L498(lines 494 500) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 13:52:00,526 INFO L246 CegarLoopResult]: For program point L861-11(lines 861 865) no Hoare annotation was computed. [2019-12-07 13:52:00,526 INFO L246 CegarLoopResult]: For program point L861-12(lines 861 865) no Hoare annotation was computed. [2019-12-07 13:52:00,526 INFO L246 CegarLoopResult]: For program point L861-14(lines 861 865) no Hoare annotation was computed. [2019-12-07 13:52:00,526 INFO L246 CegarLoopResult]: For program point L861-15(lines 861 865) no Hoare annotation was computed. [2019-12-07 13:52:00,526 INFO L246 CegarLoopResult]: For program point L861-17(lines 861 865) no Hoare annotation was computed. [2019-12-07 13:52:00,526 INFO L246 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-12-07 13:52:00,526 INFO L246 CegarLoopResult]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2019-12-07 13:52:00,526 INFO L246 CegarLoopResult]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-12-07 13:52:00,527 INFO L246 CegarLoopResult]: For program point L929(lines 929 935) no Hoare annotation was computed. [2019-12-07 13:52:00,527 INFO L242 CegarLoopResult]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-12-07 13:52:00,527 INFO L249 CegarLoopResult]: At program point L534(lines 515 537) the Hoare annotation is: true [2019-12-07 13:52:00,527 INFO L246 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-12-07 13:52:00,527 INFO L246 CegarLoopResult]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2019-12-07 13:52:00,527 INFO L246 CegarLoopResult]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2019-12-07 13:52:00,527 INFO L246 CegarLoopResult]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2019-12-07 13:52:00,528 INFO L246 CegarLoopResult]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2019-12-07 13:52:00,528 INFO L246 CegarLoopResult]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2019-12-07 13:52:00,528 INFO L242 CegarLoopResult]: At program point L701(lines 700 719) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 13:52:00,528 INFO L246 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2019-12-07 13:52:00,528 INFO L242 CegarLoopResult]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2019-12-07 13:52:00,528 INFO L242 CegarLoopResult]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2019-12-07 13:52:00,528 INFO L242 CegarLoopResult]: At program point L867(lines 852 870) the Hoare annotation is: false [2019-12-07 13:52:00,529 INFO L242 CegarLoopResult]: At program point L867-1(lines 852 870) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (= 1 ULTIMATE.start_isHighWaterLevel_~tmp~7) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (<= 1 ~waterLevel~0) .cse2 .cse3 .cse4))) [2019-12-07 13:52:00,529 INFO L242 CegarLoopResult]: At program point L867-2(lines 852 870) the Hoare annotation is: false [2019-12-07 13:52:00,529 INFO L242 CegarLoopResult]: At program point L867-3(lines 852 870) the Hoare annotation is: false [2019-12-07 13:52:00,529 INFO L242 CegarLoopResult]: At program point L867-4(lines 852 870) the Hoare annotation is: false [2019-12-07 13:52:00,529 INFO L242 CegarLoopResult]: At program point L867-5(lines 852 870) the Hoare annotation is: false [2019-12-07 13:52:00,529 INFO L242 CegarLoopResult]: At program point L570(lines 1 964) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 13:52:00,529 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-12-07 13:52:00,530 INFO L246 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-12-07 13:52:00,530 INFO L246 CegarLoopResult]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2019-12-07 13:52:00,530 INFO L246 CegarLoopResult]: For program point L671(lines 671 677) no Hoare annotation was computed. [2019-12-07 13:52:00,530 INFO L246 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2019-12-07 13:52:00,530 INFO L246 CegarLoopResult]: For program point L671-1(lines 671 677) no Hoare annotation was computed. [2019-12-07 13:52:00,530 INFO L246 CegarLoopResult]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2019-12-07 13:52:00,530 INFO L246 CegarLoopResult]: For program point L671-2(lines 671 677) no Hoare annotation was computed. [2019-12-07 13:52:00,530 INFO L246 CegarLoopResult]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2019-12-07 13:52:00,530 INFO L246 CegarLoopResult]: For program point L671-3(lines 671 677) no Hoare annotation was computed. [2019-12-07 13:52:00,531 INFO L246 CegarLoopResult]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2019-12-07 13:52:00,531 INFO L246 CegarLoopResult]: For program point L671-4(lines 671 677) no Hoare annotation was computed. [2019-12-07 13:52:00,531 INFO L246 CegarLoopResult]: For program point L671-5(lines 671 677) no Hoare annotation was computed. [2019-12-07 13:52:00,531 INFO L246 CegarLoopResult]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-12-07 13:52:00,531 INFO L246 CegarLoopResult]: For program point L939(lines 939 952) no Hoare annotation was computed. [2019-12-07 13:52:00,531 INFO L242 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2019-12-07 13:52:00,531 INFO L242 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2019-12-07 13:52:00,531 INFO L242 CegarLoopResult]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2019-12-07 13:52:00,532 INFO L246 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2019-12-07 13:52:00,532 INFO L246 CegarLoopResult]: For program point L543-1(line 543) no Hoare annotation was computed. [2019-12-07 13:52:00,532 INFO L246 CegarLoopResult]: For program point L543-2(line 543) no Hoare annotation was computed. [2019-12-07 13:52:00,532 INFO L242 CegarLoopResult]: At program point L676(lines 667 680) the Hoare annotation is: false [2019-12-07 13:52:00,532 INFO L242 CegarLoopResult]: At program point L676-1(lines 667 680) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3 .cse4))) [2019-12-07 13:52:00,532 INFO L242 CegarLoopResult]: At program point L676-2(lines 667 680) the Hoare annotation is: false [2019-12-07 13:52:00,532 INFO L242 CegarLoopResult]: At program point L676-3(lines 667 680) the Hoare annotation is: false [2019-12-07 13:52:00,532 INFO L242 CegarLoopResult]: At program point L676-4(lines 667 680) the Hoare annotation is: false [2019-12-07 13:52:00,533 INFO L242 CegarLoopResult]: At program point L676-5(lines 667 680) the Hoare annotation is: false [2019-12-07 13:52:00,533 INFO L242 CegarLoopResult]: At program point L578(lines 573 581) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 13:52:00,533 INFO L242 CegarLoopResult]: At program point L447-2(lines 447 461) the Hoare annotation is: false [2019-12-07 13:52:00,533 INFO L246 CegarLoopResult]: For program point L910(lines 909 956) no Hoare annotation was computed. [2019-12-07 13:52:00,533 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 13:52:00,533 INFO L246 CegarLoopResult]: For program point L911(lines 911 915) no Hoare annotation was computed. [2019-12-07 13:52:00,533 INFO L242 CegarLoopResult]: At program point L812(lines 807 815) the Hoare annotation is: false [2019-12-07 13:52:00,534 INFO L242 CegarLoopResult]: At program point L812-1(lines 807 815) the Hoare annotation is: false [2019-12-07 13:52:00,534 INFO L242 CegarLoopResult]: At program point L812-2(lines 807 815) the Hoare annotation is: false [2019-12-07 13:52:00,534 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:52:00,534 INFO L246 CegarLoopResult]: For program point L417(lines 417 430) no Hoare annotation was computed. [2019-12-07 13:52:00,534 INFO L242 CegarLoopResult]: At program point L417-1(lines 1 964) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 2 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-12-07 13:52:00,534 INFO L246 CegarLoopResult]: For program point L417-2(lines 417 430) no Hoare annotation was computed. [2019-12-07 13:52:00,534 INFO L242 CegarLoopResult]: At program point L417-3(lines 1 964) the Hoare annotation is: false [2019-12-07 13:52:00,534 INFO L246 CegarLoopResult]: For program point L417-4(lines 417 430) no Hoare annotation was computed. [2019-12-07 13:52:00,535 INFO L242 CegarLoopResult]: At program point L417-5(lines 1 964) the Hoare annotation is: false [2019-12-07 13:52:00,535 INFO L246 CegarLoopResult]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-12-07 13:52:00,535 INFO L246 CegarLoopResult]: For program point L880-2(lines 880 884) no Hoare annotation was computed. [2019-12-07 13:52:00,535 INFO L246 CegarLoopResult]: For program point L880-3(lines 880 884) no Hoare annotation was computed. [2019-12-07 13:52:00,535 INFO L246 CegarLoopResult]: For program point L880-5(lines 880 884) no Hoare annotation was computed. [2019-12-07 13:52:00,535 INFO L246 CegarLoopResult]: For program point L880-6(lines 880 884) no Hoare annotation was computed. [2019-12-07 13:52:00,535 INFO L246 CegarLoopResult]: For program point L880-8(lines 880 884) no Hoare annotation was computed. [2019-12-07 13:52:00,535 INFO L246 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2019-12-07 13:52:00,535 INFO L246 CegarLoopResult]: For program point L451-1(lines 701 707) no Hoare annotation was computed. [2019-12-07 13:52:00,535 INFO L246 CegarLoopResult]: For program point L947(lines 947 951) no Hoare annotation was computed. [2019-12-07 13:52:00,536 INFO L242 CegarLoopResult]: At program point L947-2(lines 701 707) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-12-07 13:52:00,536 INFO L246 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2019-12-07 13:52:00,536 INFO L246 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2019-12-07 13:52:00,536 INFO L246 CegarLoopResult]: For program point L421-2(lines 421 427) no Hoare annotation was computed. [2019-12-07 13:52:00,536 INFO L246 CegarLoopResult]: For program point L421-4(lines 421 427) no Hoare annotation was computed. [2019-12-07 13:52:00,536 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:52:00,536 INFO L242 CegarLoopResult]: At program point L686(lines 681 689) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 13:52:00,536 INFO L242 CegarLoopResult]: At program point L686-1(lines 681 689) the Hoare annotation is: false [2019-12-07 13:52:00,536 INFO L242 CegarLoopResult]: At program point L686-2(lines 681 689) the Hoare annotation is: false [2019-12-07 13:52:00,536 INFO L246 CegarLoopResult]: For program point L919(lines 919 925) no Hoare annotation was computed. [2019-12-07 13:52:00,537 INFO L242 CegarLoopResult]: At program point L919-1(lines 919 925) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-12-07 13:52:00,537 INFO L242 CegarLoopResult]: At program point L886(lines 871 889) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~8) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 13:52:00,537 INFO L242 CegarLoopResult]: At program point L886-1(lines 871 889) the Hoare annotation is: false [2019-12-07 13:52:00,537 INFO L242 CegarLoopResult]: At program point L886-2(lines 871 889) the Hoare annotation is: false [2019-12-07 13:52:00,537 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:52:00,537 INFO L246 CegarLoopResult]: For program point L525(lines 525 532) no Hoare annotation was computed. [2019-12-07 13:52:00,537 INFO L249 CegarLoopResult]: At program point L525-1(lines 525 532) the Hoare annotation is: true [2019-12-07 13:52:00,537 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:52:00,538 INFO L242 CegarLoopResult]: At program point L957(lines 908 958) the Hoare annotation is: false [2019-12-07 13:52:00,538 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-12-07 13:52:00,538 INFO L246 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-12-07 13:52:00,538 INFO L246 CegarLoopResult]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2019-12-07 13:52:00,538 INFO L246 CegarLoopResult]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2019-12-07 13:52:00,538 INFO L246 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-12-07 13:52:00,538 INFO L246 CegarLoopResult]: For program point L594-3(lines 594 598) no Hoare annotation was computed. [2019-12-07 13:52:00,538 INFO L246 CegarLoopResult]: For program point L594-6(lines 594 598) no Hoare annotation was computed. [2019-12-07 13:52:00,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:52:00 BoogieIcfgContainer [2019-12-07 13:52:00,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:52:00,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:52:00,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:52:00,565 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:52:00,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:51:53" (3/4) ... [2019-12-07 13:52:00,568 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:52:00,586 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 13:52:00,587 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 13:52:00,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 13:52:00,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 13:52:00,589 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:52:00,590 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:52:00,591 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:52:00,610 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-12-07 13:52:00,610 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-12-07 13:52:00,611 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && 1 <= tmp) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-12-07 13:52:00,611 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-12-07 13:52:00,611 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-12-07 13:52:00,612 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-12-07 13:52:00,612 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && \result == 1) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 13:52:00,612 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && \result == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-12-07 13:52:00,613 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-12-07 13:52:00,614 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && \result == 1) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 13:52:00,614 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && \result == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-12-07 13:52:00,615 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && !(0 == \result)) && 0 == tmp) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 13:52:00,615 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((((1 == tmp && 0 == \result) && \result == 1) && \result == 1) && 1 == tmp) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-12-07 13:52:00,669 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b2073874-af11-4f1e-babd-6f21d7ea3dd9/bin/uautomizer/witness.graphml [2019-12-07 13:52:00,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:52:00,670 INFO L168 Benchmark]: Toolchain (without parser) took 8231.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 939.8 MB in the beginning and 945.7 MB in the end (delta: -5.9 MB). Peak memory consumption was 197.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:00,670 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:52:00,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -136.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:00,670 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:00,670 INFO L168 Benchmark]: Boogie Preprocessor took 31.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:52:00,671 INFO L168 Benchmark]: RCFGBuilder took 493.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:00,671 INFO L168 Benchmark]: TraceAbstraction took 7204.89 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 111.7 MB). Free memory was 1.0 GB in the beginning and 956.5 MB in the end (delta: 44.6 MB). Peak memory consumption was 243.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:00,671 INFO L168 Benchmark]: Witness Printer took 104.20 ms. Allocated memory is still 1.2 GB. Free memory was 956.5 MB in the beginning and 945.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:00,672 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -136.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 493.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7204.89 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 111.7 MB). Free memory was 1.0 GB in the beginning and 956.5 MB in the end (delta: 44.6 MB). Peak memory consumption was 243.9 MB. Max. memory is 11.5 GB. * Witness Printer took 104.20 ms. Allocated memory is still 1.2 GB. Free memory was 956.5 MB in the beginning and 945.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 543]: 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: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (((((1 == tmp && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && \result == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((((1 == tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && !(0 == \result)) && 0 == tmp) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((((1 == tmp && \result == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: ((((1 == tmp && \result == 1) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((((1 == tmp && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((((1 == tmp && 0 == \result) && \result == 1) && \result == 1) && 1 == tmp) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((1 == tmp && \result == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && 1 <= tmp) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((1 == tmp && \result == 1) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, HoareTripleCheckerStatistics: 1208 SDtfs, 2140 SDslu, 2147 SDs, 0 SdLazy, 398 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 1107 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 125 NumberOfFragments, 476 HoareAnnotationTreeSize, 43 FomulaSimplifications, 738033 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 43 FomulaSimplificationsInter, 126006 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 528 ConstructedInterpolants, 0 QuantifiedInterpolants, 41936 SizeOfPredicates, 4 NumberOfNonLiveVariables, 403 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 162/168 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...