./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/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 84841b0b7c643c254d02f565fa50ff7ee5853434 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:15:41,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:15:41,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:15:41,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:15:41,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:15:41,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:15:41,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:15:41,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:15:41,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:15:41,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:15:41,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:15:41,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:15:41,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:15:41,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:15:41,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:15:41,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:15:41,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:15:41,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:15:41,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:15:41,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:15:41,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:15:41,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:15:41,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:15:41,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:15:41,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:15:41,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:15:41,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:15:41,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:15:41,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:15:41,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:15:41,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:15:41,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:15:41,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:15:41,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:15:41,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:15:41,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:15:41,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:15:41,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:15:41,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:15:41,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:15:41,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:15:41,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:15:41,311 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:15:41,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:15:41,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:15:41,312 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:15:41,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:15:41,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:15:41,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:15:41,313 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:15:41,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:15:41,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:15:41,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:15:41,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:15:41,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:15:41,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:15:41,314 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:15:41,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:15:41,315 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:15:41,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:15:41,315 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:15:41,316 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:15:41,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:15:41,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:15:41,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:15:41,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:15:41,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:15:41,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:15:41,317 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:15:41,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:15:41,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:15:41,317 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/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/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 -> 84841b0b7c643c254d02f565fa50ff7ee5853434 [2019-10-22 10:15:41,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:15:41,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:15:41,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:15:41,356 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:15:41,356 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:15:41,357 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2019-10-22 10:15:41,404 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/bin/ukojak/data/1725331d5/9558a95e54da48f08f12a1a27353f7cd/FLAGb1739d66a [2019-10-22 10:15:41,844 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:15:41,845 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2019-10-22 10:15:41,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/bin/ukojak/data/1725331d5/9558a95e54da48f08f12a1a27353f7cd/FLAGb1739d66a [2019-10-22 10:15:41,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/bin/ukojak/data/1725331d5/9558a95e54da48f08f12a1a27353f7cd [2019-10-22 10:15:41,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:15:41,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:15:41,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:41,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:15:41,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:15:41,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:41" (1/1) ... [2019-10-22 10:15:41,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616594e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:41, skipping insertion in model container [2019-10-22 10:15:41,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:41" (1/1) ... [2019-10-22 10:15:41,893 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:15:41,942 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:15:42,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:42,317 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:15:42,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:42,419 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:15:42,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42 WrapperNode [2019-10-22 10:15:42,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:42,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:42,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:15:42,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:15:42,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:42,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:15:42,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:15:42,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:15:42,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... [2019-10-22 10:15:42,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:15:42,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:15:42,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:15:42,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:15:42,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/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 [2019-10-22 10:15:42,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:15:42,548 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:15:42,548 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:15:42,548 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:15:42,548 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:15:42,548 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:15:42,548 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:15:42,548 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:15:42,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:15:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:15:42,549 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:15:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:15:42,549 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:15:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:15:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:15:42,549 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:15:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:15:42,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:15:43,280 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:15:43,280 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:15:43,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:43 BoogieIcfgContainer [2019-10-22 10:15:43,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:15:43,282 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:15:43,282 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:15:43,292 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:15:43,292 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:43" (1/1) ... [2019-10-22 10:15:43,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:15:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2019-10-22 10:15:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2019-10-22 10:15:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:15:43,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:43,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:43,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:43,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2019-10-22 10:15:43,535 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2019-10-22 10:15:43,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:15:43,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:43,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:43,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2019-10-22 10:15:43,625 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2019-10-22 10:15:43,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:15:43,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:43,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:43,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:43,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2019-10-22 10:15:43,730 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2019-10-22 10:15:43,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:15:43,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:43,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:43,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2019-10-22 10:15:43,896 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2019-10-22 10:15:43,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:15:43,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:44,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:44,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 83 states and 129 transitions. [2019-10-22 10:15:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2019-10-22 10:15:44,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:15:44,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:44,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:44,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:44,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 94 states and 154 transitions. [2019-10-22 10:15:44,907 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 154 transitions. [2019-10-22 10:15:44,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:15:44,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:44,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:44,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:44,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 95 states and 155 transitions. [2019-10-22 10:15:44,954 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 155 transitions. [2019-10-22 10:15:44,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:15:44,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:45,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 100 states and 165 transitions. [2019-10-22 10:15:45,081 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 165 transitions. [2019-10-22 10:15:45,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:15:45,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:45,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:45,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:45,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 101 states and 166 transitions. [2019-10-22 10:15:45,120 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 166 transitions. [2019-10-22 10:15:45,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:15:45,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:45,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:45,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:45,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 102 states and 167 transitions. [2019-10-22 10:15:45,177 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2019-10-22 10:15:45,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:15:45,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:45,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 107 states and 179 transitions. [2019-10-22 10:15:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 179 transitions. [2019-10-22 10:15:45,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:15:45,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:45,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:45,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:45,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 180 transitions. [2019-10-22 10:15:45,269 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 180 transitions. [2019-10-22 10:15:45,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:15:45,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:45,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:45,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:45,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 109 states and 181 transitions. [2019-10-22 10:15:45,319 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 181 transitions. [2019-10-22 10:15:45,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:15:45,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:45,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:46,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:46,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 123 states and 210 transitions. [2019-10-22 10:15:46,045 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 210 transitions. [2019-10-22 10:15:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:15:46,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:46,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:46,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:46,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 126 states and 217 transitions. [2019-10-22 10:15:46,265 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 217 transitions. [2019-10-22 10:15:46,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:15:46,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:46,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:46,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:46,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 130 states and 224 transitions. [2019-10-22 10:15:46,331 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 224 transitions. [2019-10-22 10:15:46,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:15:46,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:46,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:46,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 131 states and 225 transitions. [2019-10-22 10:15:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 225 transitions. [2019-10-22 10:15:46,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:15:46,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:46,428 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:46,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 141 states and 250 transitions. [2019-10-22 10:15:46,984 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 250 transitions. [2019-10-22 10:15:46,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:15:46,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:47,018 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 139 states and 246 transitions. [2019-10-22 10:15:47,048 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 246 transitions. [2019-10-22 10:15:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:15:47,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:15:48,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:48,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 142 states and 252 transitions. [2019-10-22 10:15:48,009 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 252 transitions. [2019-10-22 10:15:48,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:15:48,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:48,037 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:48,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 143 states and 254 transitions. [2019-10-22 10:15:48,069 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 254 transitions. [2019-10-22 10:15:48,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:15:48,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:48,091 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:48,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 146 states and 262 transitions. [2019-10-22 10:15:48,301 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 262 transitions. [2019-10-22 10:15:48,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:15:48,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:48,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 147 states and 263 transitions. [2019-10-22 10:15:48,356 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 263 transitions. [2019-10-22 10:15:48,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:15:48,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:48,391 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:48,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 150 states and 269 transitions. [2019-10-22 10:15:48,700 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 269 transitions. [2019-10-22 10:15:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:15:48,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:15:48,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:48,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 154 states and 272 transitions. [2019-10-22 10:15:48,928 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 272 transitions. [2019-10-22 10:15:48,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:15:48,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:48,954 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:15:49,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:49,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 156 states and 273 transitions. [2019-10-22 10:15:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 273 transitions. [2019-10-22 10:15:49,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:15:49,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:15:50,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:50,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 173 states and 318 transitions. [2019-10-22 10:15:50,870 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 318 transitions. [2019-10-22 10:15:50,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:15:50,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:50,916 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:52,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:52,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 191 states and 352 transitions. [2019-10-22 10:15:52,424 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 352 transitions. [2019-10-22 10:15:52,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:15:52,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:52,477 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:15:52,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:52,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 193 states and 355 transitions. [2019-10-22 10:15:52,695 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 355 transitions. [2019-10-22 10:15:52,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:15:52,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:52,724 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:15:54,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:54,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 205 states and 389 transitions. [2019-10-22 10:15:54,104 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 389 transitions. [2019-10-22 10:15:54,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:15:54,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 215 states and 405 transitions. [2019-10-22 10:15:55,960 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 405 transitions. [2019-10-22 10:15:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:15:55,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:55,989 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:15:56,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:56,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 217 states and 407 transitions. [2019-10-22 10:15:56,289 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 407 transitions. [2019-10-22 10:15:56,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:15:56,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:56,310 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:56,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 218 states and 411 transitions. [2019-10-22 10:15:56,633 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 411 transitions. [2019-10-22 10:15:56,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:15:56,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:15:58,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:58,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 224 states and 421 transitions. [2019-10-22 10:15:58,198 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 421 transitions. [2019-10-22 10:15:58,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:15:58,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:58,229 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:15:58,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:58,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 225 states and 422 transitions. [2019-10-22 10:15:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 422 transitions. [2019-10-22 10:15:58,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:15:58,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:58,283 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:15:58,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:58,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 233 states and 434 transitions. [2019-10-22 10:15:58,805 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 434 transitions. [2019-10-22 10:15:58,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:15:58,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:58,843 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:15:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 233 states and 427 transitions. [2019-10-22 10:15:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 427 transitions. [2019-10-22 10:15:59,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:15:59,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:59,272 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:15:59,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 235 states and 432 transitions. [2019-10-22 10:15:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 432 transitions. [2019-10-22 10:15:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:15:59,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:59,325 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:00,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 243 states and 446 transitions. [2019-10-22 10:16:00,598 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 446 transitions. [2019-10-22 10:16:00,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:16:00,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:00,622 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:16:00,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:00,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 182 states and 302 transitions. [2019-10-22 10:16:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 302 transitions. [2019-10-22 10:16:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 10:16:00,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:16:02,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:02,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 196 states and 328 transitions. [2019-10-22 10:16:02,034 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 328 transitions. [2019-10-22 10:16:02,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-22 10:16:02,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:16:02,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 201 states and 335 transitions. [2019-10-22 10:16:02,254 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 335 transitions. [2019-10-22 10:16:02,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 10:16:02,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:02,278 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:16:02,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:02,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 205 states and 342 transitions. [2019-10-22 10:16:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 342 transitions. [2019-10-22 10:16:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 10:16:02,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:16:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 206 states and 343 transitions. [2019-10-22 10:16:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 343 transitions. [2019-10-22 10:16:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 10:16:02,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:02,695 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:16:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 207 states and 346 transitions. [2019-10-22 10:16:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 346 transitions. [2019-10-22 10:16:03,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 10:16:03,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:03,087 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 10:16:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 208 states and 347 transitions. [2019-10-22 10:16:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 347 transitions. [2019-10-22 10:16:03,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:16:03,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:03,146 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:16:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:03,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 209 states and 348 transitions. [2019-10-22 10:16:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 348 transitions. [2019-10-22 10:16:03,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 10:16:03,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:03,203 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:16:03,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 207 states and 344 transitions. [2019-10-22 10:16:03,227 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 344 transitions. [2019-10-22 10:16:03,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 10:16:03,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:16:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:03,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 208 states and 347 transitions. [2019-10-22 10:16:03,555 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 347 transitions. [2019-10-22 10:16:03,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-22 10:16:03,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:16:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 206 states and 343 transitions. [2019-10-22 10:16:03,609 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 343 transitions. [2019-10-22 10:16:03,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:16:03,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:16:04,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:04,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 210 states and 352 transitions. [2019-10-22 10:16:04,324 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 352 transitions. [2019-10-22 10:16:04,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-22 10:16:04,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:04,350 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:16:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:04,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 211 states and 354 transitions. [2019-10-22 10:16:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 354 transitions. [2019-10-22 10:16:04,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 10:16:04,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:04,403 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:16:04,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:04,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 214 states and 357 transitions. [2019-10-22 10:16:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 357 transitions. [2019-10-22 10:16:04,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:16:04,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:16:04,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:04,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 219 states and 364 transitions. [2019-10-22 10:16:04,888 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 364 transitions. [2019-10-22 10:16:04,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:16:04,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-22 10:16:04,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:04,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 221 states and 366 transitions. [2019-10-22 10:16:04,946 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 366 transitions. [2019-10-22 10:16:04,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:16:04,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:04,978 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:16:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:05,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 223 states and 370 transitions. [2019-10-22 10:16:05,023 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 370 transitions. [2019-10-22 10:16:05,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 10:16:05,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:05,046 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-22 10:16:05,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:05,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 225 states and 373 transitions. [2019-10-22 10:16:05,070 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 373 transitions. [2019-10-22 10:16:05,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 10:16:05,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:05,100 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-22 10:16:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 227 states and 376 transitions. [2019-10-22 10:16:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 376 transitions. [2019-10-22 10:16:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-22 10:16:05,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:05,146 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 10:16:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:05,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 228 states and 376 transitions. [2019-10-22 10:16:05,167 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 376 transitions. [2019-10-22 10:16:05,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 10:16:05,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:05,189 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:16:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 229 states and 377 transitions. [2019-10-22 10:16:05,219 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 377 transitions. [2019-10-22 10:16:05,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-22 10:16:05,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-22 10:16:05,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:05,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 230 states and 378 transitions. [2019-10-22 10:16:05,270 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 378 transitions. [2019-10-22 10:16:05,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-22 10:16:05,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-22 10:16:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:05,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 231 states and 379 transitions. [2019-10-22 10:16:05,324 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 379 transitions. [2019-10-22 10:16:05,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:16:05,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:05,346 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-22 10:16:05,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:05,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 222 states and 362 transitions. [2019-10-22 10:16:05,372 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 362 transitions. [2019-10-22 10:16:05,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-22 10:16:05,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-22 10:16:05,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:05,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 132 states and 189 transitions. [2019-10-22 10:16:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 189 transitions. [2019-10-22 10:16:05,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:16:05,742 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 65 iterations. [2019-10-22 10:16:05,750 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:16:06,128 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:06,131 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:16:06,134 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:06,134 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:06,134 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:06,134 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:06,134 INFO L575 CodeCheckObserver]: Invariant with dag size 7 [2019-10-22 10:16:06,135 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:06,135 INFO L575 CodeCheckObserver]: Invariant with dag size 19 [2019-10-22 10:16:06,136 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:06,136 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:06,136 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:06,136 INFO L575 CodeCheckObserver]: Invariant with dag size 14 [2019-10-22 10:16:06,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:16:06 ImpRootNode [2019-10-22 10:16:06,137 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:16:06,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:16:06,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:16:06,137 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:16:06,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:43" (3/4) ... [2019-10-22 10:16:06,141 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:16:06,146 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-10-22 10:16:06,146 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:16:06,147 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:16:06,147 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:16:06,147 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:16:06,147 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-10-22 10:16:06,147 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:16:06,153 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2019-10-22 10:16:06,153 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-10-22 10:16:06,153 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 10:16:06,154 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:16:06,154 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:16:06,154 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:16:06,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0))) || ((!(1 == systemActive) && 0 == methaneLevelCritical) && !(0 == systemActive)) [2019-10-22 10:16:06,179 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || (0 == methaneLevelCritical && !(0 == systemActive))) || !(pumpRunning == 0) [2019-10-22 10:16:06,216 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0d310713-5c85-40a2-a727-cb349c89c083/bin/ukojak/witness.graphml [2019-10-22 10:16:06,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:16:06,218 INFO L168 Benchmark]: Toolchain (without parser) took 24345.21 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 472.4 MB). Free memory was 944.5 MB in the beginning and 883.8 MB in the end (delta: 60.7 MB). Peak memory consumption was 533.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:06,218 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:06,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:06,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.12 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. [2019-10-22 10:16:06,219 INFO L168 Benchmark]: Boogie Preprocessor took 25.27 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. [2019-10-22 10:16:06,219 INFO L168 Benchmark]: RCFGBuilder took 792.05 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:06,220 INFO L168 Benchmark]: CodeCheck took 22854.78 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 362.8 MB). Free memory was 1.0 GB in the beginning and 900.9 MB in the end (delta: 115.1 MB). Peak memory consumption was 477.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:06,220 INFO L168 Benchmark]: Witness Printer took 78.67 ms. Allocated memory is still 1.5 GB. Free memory was 900.9 MB in the beginning and 883.8 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:06,222 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 8 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 22.4s, OverallIterations: 65, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 373620812 SDtfs, -2072865152 SDslu, -441957504 SDs, 0 SdLazy, 336949088 SolverSat, 1403322672 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31816 GetRequests, 31085 SyntacticMatches, 367 SemanticMatches, 364 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61367 ImplicationChecksByTransitivity, 17.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2964 NumberOfCodeBlocks, 2964 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 2900 ConstructedInterpolants, 0 QuantifiedInterpolants, 284906 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 64 InterpolantComputations, 48 PerfectInterpolantSequences, 1243/1339 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: 44]: 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: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0))) || ((!(1 == systemActive) && 0 == methaneLevelCritical) && !(0 == systemActive)) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || (0 == methaneLevelCritical && !(0 == systemActive))) || !(pumpRunning == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 546.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.12 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. * Boogie Preprocessor took 25.27 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. * RCFGBuilder took 792.05 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * CodeCheck took 22854.78 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 362.8 MB). Free memory was 1.0 GB in the beginning and 900.9 MB in the end (delta: 115.1 MB). Peak memory consumption was 477.9 MB. Max. memory is 11.5 GB. * Witness Printer took 78.67 ms. Allocated memory is still 1.5 GB. Free memory was 900.9 MB in the beginning and 883.8 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...