./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_45ba6912-923f-4e71-87aa-3c8e815c1cc7/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_45ba6912-923f-4e71-87aa-3c8e815c1cc7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_45ba6912-923f-4e71-87aa-3c8e815c1cc7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_45ba6912-923f-4e71-87aa-3c8e815c1cc7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_45ba6912-923f-4e71-87aa-3c8e815c1cc7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_45ba6912-923f-4e71-87aa-3c8e815c1cc7/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:58:18,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:58:18,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:58:18,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:58:18,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:58:18,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:58:18,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:58:18,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:58:18,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:58:18,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:58:18,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:58:18,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:58:18,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:58:18,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:58:18,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:58:18,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:58:18,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:58:18,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:58:18,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:58:18,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:58:18,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:58:18,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:58:18,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:58:18,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:58:18,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:58:18,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:58:18,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:58:18,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:58:18,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:58:18,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:58:18,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:58:18,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:58:18,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:58:18,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:58:18,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:58:18,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:58:18,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:58:18,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:58:18,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:58:18,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:58:18,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:58:18,622 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_45ba6912-923f-4e71-87aa-3c8e815c1cc7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 01:58:18,654 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:58:18,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:58:18,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 01:58:18,655 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 01:58:18,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:58:18,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:58:18,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:58:18,656 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:58:18,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:58:18,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:58:18,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:58:18,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:58:18,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:58:18,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:58:18,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:58:18,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:58:18,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:58:18,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:58:18,659 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 01:58:18,659 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 01:58:18,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:58:18,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:58:18,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 01:58:18,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:58:18,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:58:18,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:58:18,660 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 01:58:18,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:58:18,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:58:18,662 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_45ba6912-923f-4e71-87aa-3c8e815c1cc7/bin/ukojak 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 -> Kojak 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 -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2019-11-20 01:58:18,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:58:18,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:58:18,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:58:18,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:58:18,840 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:58:18,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_45ba6912-923f-4e71-87aa-3c8e815c1cc7/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2019-11-20 01:58:18,897 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_45ba6912-923f-4e71-87aa-3c8e815c1cc7/bin/ukojak/data/0fd243c12/420d0a362261477da47e7970eb53a5cc/FLAGcf81d7321 [2019-11-20 01:58:19,291 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:58:19,292 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_45ba6912-923f-4e71-87aa-3c8e815c1cc7/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2019-11-20 01:58:19,302 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_45ba6912-923f-4e71-87aa-3c8e815c1cc7/bin/ukojak/data/0fd243c12/420d0a362261477da47e7970eb53a5cc/FLAGcf81d7321 [2019-11-20 01:58:19,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_45ba6912-923f-4e71-87aa-3c8e815c1cc7/bin/ukojak/data/0fd243c12/420d0a362261477da47e7970eb53a5cc [2019-11-20 01:58:19,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:58:19,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:58:19,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:58:19,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:58:19,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:58:19,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:58:19" (1/1) ... [2019-11-20 01:58:19,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ade7115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:19, skipping insertion in model container [2019-11-20 01:58:19,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:58:19" (1/1) ... [2019-11-20 01:58:19,678 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:58:19,710 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:58:20,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:58:20,058 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:58:20,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:58:20,177 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:58:20,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:20 WrapperNode [2019-11-20 01:58:20,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:58:20,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:58:20,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:58:20,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:58:20,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:20" (1/1) ... [2019-11-20 01:58:20,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:20" (1/1) ... [2019-11-20 01:58:20,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:58:20,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:58:20,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:58:20,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:58:20,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:20" (1/1) ... [2019-11-20 01:58:20,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:20" (1/1) ... [2019-11-20 01:58:20,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:20" (1/1) ... [2019-11-20 01:58:20,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:20" (1/1) ... [2019-11-20 01:58:20,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:20" (1/1) ... [2019-11-20 01:58:20,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:20" (1/1) ... [2019-11-20 01:58:20,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:20" (1/1) ... [2019-11-20 01:58:20,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:58:20,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:58:20,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:58:20,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:58:20,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45ba6912-923f-4e71-87aa-3c8e815c1cc7/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-11-20 01:58:20,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:58:20,371 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 01:58:20,371 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 01:58:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 01:58:20,372 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 01:58:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 01:58:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 01:58:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 01:58:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 01:58:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:58:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 01:58:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 01:58:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:58:20,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:58:21,373 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:58:21,374 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-20 01:58:21,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:58:21 BoogieIcfgContainer [2019-11-20 01:58:21,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:58:21,375 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 01:58:21,375 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 01:58:21,386 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 01:58:21,386 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:58:21" (1/1) ... [2019-11-20 01:58:21,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:58:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:21,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2019-11-20 01:58:21,441 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2019-11-20 01:58:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 01:58:21,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:21,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:21,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2019-11-20 01:58:21,755 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2019-11-20 01:58:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 01:58:21,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:21,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:21,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:21,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2019-11-20 01:58:21,864 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2019-11-20 01:58:21,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 01:58:21,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:21,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:22,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:22,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 75 transitions. [2019-11-20 01:58:22,120 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-11-20 01:58:22,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:58:22,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:22,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:22,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:22,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2019-11-20 01:58:22,173 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2019-11-20 01:58:22,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:58:22,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:22,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 97 transitions. [2019-11-20 01:58:22,541 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2019-11-20 01:58:22,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:58:22,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:22,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2019-11-20 01:58:22,629 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2019-11-20 01:58:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 01:58:22,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:23,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:23,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 129 transitions. [2019-11-20 01:58:23,389 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 129 transitions. [2019-11-20 01:58:23,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 01:58:23,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:23,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:23,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:23,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2019-11-20 01:58:23,437 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2019-11-20 01:58:23,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 01:58:23,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:23,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:23,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:23,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2019-11-20 01:58:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2019-11-20 01:58:23,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 01:58:23,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:23,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:23,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 83 states and 135 transitions. [2019-11-20 01:58:23,870 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2019-11-20 01:58:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 01:58:23,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:24,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:24,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 89 states and 147 transitions. [2019-11-20 01:58:24,190 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 147 transitions. [2019-11-20 01:58:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 01:58:24,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:24,219 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:24,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 94 states and 157 transitions. [2019-11-20 01:58:24,515 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 157 transitions. [2019-11-20 01:58:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 01:58:24,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:24,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 95 states and 158 transitions. [2019-11-20 01:58:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 158 transitions. [2019-11-20 01:58:24,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 01:58:24,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:24,659 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:25,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:25,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 184 transitions. [2019-11-20 01:58:25,374 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2019-11-20 01:58:25,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 01:58:25,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:25,404 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:58:25,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:25,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 109 states and 185 transitions. [2019-11-20 01:58:25,417 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2019-11-20 01:58:25,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 01:58:25,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:25,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 186 transitions. [2019-11-20 01:58:25,464 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 186 transitions. [2019-11-20 01:58:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 01:58:25,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:58:26,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:26,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 116 states and 209 transitions. [2019-11-20 01:58:26,513 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 209 transitions. [2019-11-20 01:58:26,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 01:58:26,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:26,544 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:58:26,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:26,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 118 states and 214 transitions. [2019-11-20 01:58:26,734 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 214 transitions. [2019-11-20 01:58:26,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 01:58:26,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:58:26,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:26,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 118 states and 210 transitions. [2019-11-20 01:58:26,954 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 210 transitions. [2019-11-20 01:58:26,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 01:58:26,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:26,984 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:58:27,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:27,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 125 states and 228 transitions. [2019-11-20 01:58:27,178 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 228 transitions. [2019-11-20 01:58:27,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 01:58:27,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:27,916 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:58:30,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:30,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 261 transitions. [2019-11-20 01:58:30,728 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 261 transitions. [2019-11-20 01:58:30,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 01:58:30,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:30,760 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 01:58:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 138 states and 262 transitions. [2019-11-20 01:58:30,808 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 262 transitions. [2019-11-20 01:58:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 01:58:30,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:58:30,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:30,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 139 states and 263 transitions. [2019-11-20 01:58:30,864 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 263 transitions. [2019-11-20 01:58:30,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 01:58:30,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:58:33,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:33,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 147 states and 285 transitions. [2019-11-20 01:58:33,995 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 285 transitions. [2019-11-20 01:58:33,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 01:58:33,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:58:34,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:34,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 148 states and 286 transitions. [2019-11-20 01:58:34,343 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 286 transitions. [2019-11-20 01:58:34,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 01:58:34,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:34,383 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 01:58:34,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:34,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 138 states and 265 transitions. [2019-11-20 01:58:34,413 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 265 transitions. [2019-11-20 01:58:34,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 01:58:34,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:34,441 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 01:58:34,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:34,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 142 states and 272 transitions. [2019-11-20 01:58:34,872 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2019-11-20 01:58:34,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 01:58:34,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:34,897 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 01:58:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:34,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 140 states and 268 transitions. [2019-11-20 01:58:34,939 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 268 transitions. [2019-11-20 01:58:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 01:58:34,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:34,965 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 01:58:34,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:34,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 138 states and 261 transitions. [2019-11-20 01:58:34,993 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 261 transitions. [2019-11-20 01:58:34,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 01:58:34,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 01:58:35,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:35,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 129 states and 244 transitions. [2019-11-20 01:58:35,357 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 244 transitions. [2019-11-20 01:58:35,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 01:58:35,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-20 01:58:35,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:35,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 129 states and 242 transitions. [2019-11-20 01:58:35,927 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 242 transitions. [2019-11-20 01:58:35,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 01:58:35,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:35,958 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-20 01:58:37,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:37,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 133 states and 247 transitions. [2019-11-20 01:58:37,118 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2019-11-20 01:58:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 01:58:37,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:37,158 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-20 01:58:37,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:37,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 133 states and 243 transitions. [2019-11-20 01:58:37,676 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 243 transitions. [2019-11-20 01:58:37,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 01:58:37,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-20 01:58:38,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:38,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 73 states and 110 transitions. [2019-11-20 01:58:38,236 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2019-11-20 01:58:38,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 01:58:38,243 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2019-11-20 01:58:38,253 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 01:58:38,630 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:38,633 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:38,633 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:38,633 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:38,634 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-11-20 01:58:38,638 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:38,638 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:38,639 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:38,639 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 01:58:38,639 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:38,640 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2019-11-20 01:58:38,641 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:38,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 01:58:38 ImpRootNode [2019-11-20 01:58:38,642 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 01:58:38,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:58:38,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:58:38,643 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:58:38,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:58:21" (3/4) ... [2019-11-20 01:58:38,646 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 01:58:38,651 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 01:58:38,651 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 01:58:38,652 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 01:58:38,652 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 01:58:38,652 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 01:58:38,659 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-11-20 01:58:38,660 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-11-20 01:58:38,660 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 01:58:38,661 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 01:58:38,661 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 01:58:38,662 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 01:58:38,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) && waterLevel == systemActive) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(pumpRunning == 0)) || (!(1 == systemActive) && pumpRunning == \old(pumpRunning))) || 0 == systemActive [2019-11-20 01:58:38,688 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(!(0 == \old(pumpRunning)) || !(0 == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-11-20 01:58:38,733 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_45ba6912-923f-4e71-87aa-3c8e815c1cc7/bin/ukojak/witness.graphml [2019-11-20 01:58:38,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:58:38,735 INFO L168 Benchmark]: Toolchain (without parser) took 19070.03 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 517.5 MB). Free memory was 951.4 MB in the beginning and 1.3 GB in the end (delta: -366.5 MB). Peak memory consumption was 151.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:58:38,735 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:58:38,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:58:38,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 01:58:38,737 INFO L168 Benchmark]: Boogie Preprocessor took 59.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:58:38,737 INFO L168 Benchmark]: RCFGBuilder took 1083.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:58:38,737 INFO L168 Benchmark]: CodeCheck took 17266.74 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 392.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -300.0 MB). Peak memory consumption was 92.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:58:38,738 INFO L168 Benchmark]: Witness Printer took 91.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:58:38,739 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 42 locations, 1 error locations. Result: SAFE, OverallTime: 16.8s, OverallIterations: 35, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1060476784 SDtfs, 789705558 SDslu, 1451413584 SDs, 0 SdLazy, -279633438 SolverSat, 1452099584 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12922 GetRequests, 12575 SyntacticMatches, 99 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28474 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1209 NumberOfCodeBlocks, 1209 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1175 ConstructedInterpolants, 0 QuantifiedInterpolants, 116388 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 23 PerfectInterpolantSequences, 476/524 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (!(!(0 == \old(pumpRunning)) || !(0 == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel == systemActive) && pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) && waterLevel == systemActive) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(pumpRunning == 0)) || (!(1 == systemActive) && pumpRunning == \old(pumpRunning))) || 0 == systemActive - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 512.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1083.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. * CodeCheck took 17266.74 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 392.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -300.0 MB). Peak memory consumption was 92.7 MB. Max. memory is 11.5 GB. * Witness Printer took 91.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...