./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_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_5cb33210-c3ac-49c8-8609-f36aee4fba2c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5cb33210-c3ac-49c8-8609-f36aee4fba2c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5cb33210-c3ac-49c8-8609-f36aee4fba2c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5cb33210-c3ac-49c8-8609-f36aee4fba2c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5cb33210-c3ac-49c8-8609-f36aee4fba2c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5cb33210-c3ac-49c8-8609-f36aee4fba2c/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 d2adcf2b9b8b03691138caa579df024fc7b4a734 ............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:51:16,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:51:16,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:51:16,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:51:16,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:51:16,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:51:16,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:51:16,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:51:16,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:51:16,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:51:16,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:51:16,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:51:16,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:51:16,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:51:16,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:51:16,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:51:16,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:51:16,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:51:16,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:51:16,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:51:16,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:51:16,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:51:16,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:51:16,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:51:16,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:51:16,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:51:16,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:51:16,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:51:16,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:51:16,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:51:16,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:51:16,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:51:16,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:51:16,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:51:16,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:51:16,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:51:16,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:51:16,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:51:16,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:51:16,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:51:16,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:51:16,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5cb33210-c3ac-49c8-8609-f36aee4fba2c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 22:51:16,662 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:51:16,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:51:16,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:51:16,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:51:16,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:51:16,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:51:16,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:51:16,674 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:51:16,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:51:16,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:51:16,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:51:16,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:51:16,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:51:16,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:51:16,675 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:51:16,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:51:16,676 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:51:16,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:51:16,676 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:51:16,676 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:51:16,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:51:16,676 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:51:16,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:51:16,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:51:16,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:51:16,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:51:16,677 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:51:16,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:51:16,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:51:16,678 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_5cb33210-c3ac-49c8-8609-f36aee4fba2c/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 -> d2adcf2b9b8b03691138caa579df024fc7b4a734 [2019-11-19 22:51:16,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:51:16,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:51:16,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:51:16,830 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:51:16,830 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:51:16,831 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5cb33210-c3ac-49c8-8609-f36aee4fba2c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2019-11-19 22:51:16,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cb33210-c3ac-49c8-8609-f36aee4fba2c/bin/ukojak/data/8a65bc187/966441b8893845b4a44e3574922efb3a/FLAGbea26efac [2019-11-19 22:51:17,301 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:51:17,302 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5cb33210-c3ac-49c8-8609-f36aee4fba2c/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2019-11-19 22:51:17,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cb33210-c3ac-49c8-8609-f36aee4fba2c/bin/ukojak/data/8a65bc187/966441b8893845b4a44e3574922efb3a/FLAGbea26efac [2019-11-19 22:51:17,609 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5cb33210-c3ac-49c8-8609-f36aee4fba2c/bin/ukojak/data/8a65bc187/966441b8893845b4a44e3574922efb3a [2019-11-19 22:51:17,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:51:17,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:51:17,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:51:17,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:51:17,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:51:17,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:51:17" (1/1) ... [2019-11-19 22:51:17,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7e20c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:51:17, skipping insertion in model container [2019-11-19 22:51:17,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:51:17" (1/1) ... [2019-11-19 22:51:17,626 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:51:17,660 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:51:18,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:51:18,017 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:51:18,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:51:18,108 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:51:18,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:51:18 WrapperNode [2019-11-19 22:51:18,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:51:18,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:51:18,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:51:18,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:51:18,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:51:18" (1/1) ... [2019-11-19 22:51:18,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:51:18" (1/1) ... [2019-11-19 22:51:18,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:51:18,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:51:18,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:51:18,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:51:18,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:51:18" (1/1) ... [2019-11-19 22:51:18,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:51:18" (1/1) ... [2019-11-19 22:51:18,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:51:18" (1/1) ... [2019-11-19 22:51:18,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:51:18" (1/1) ... [2019-11-19 22:51:18,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:51:18" (1/1) ... [2019-11-19 22:51:18,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:51:18" (1/1) ... [2019-11-19 22:51:18,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:51:18" (1/1) ... [2019-11-19 22:51:18,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:51:18,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:51:18,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:51:18,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:51:18,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:51:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5cb33210-c3ac-49c8-8609-f36aee4fba2c/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 [2019-11-19 22:51:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:51:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-19 22:51:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-19 22:51:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-19 22:51:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-19 22:51:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-19 22:51:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-19 22:51:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-19 22:51:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-19 22:51:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-19 22:51:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-19 22:51:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:51:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-19 22:51:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-19 22:51:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:51:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:51:19,335 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:51:19,335 INFO L285 CfgBuilder]: Removed 34 assume(true) statements. [2019-11-19 22:51:19,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:51:19 BoogieIcfgContainer [2019-11-19 22:51:19,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:51:19,337 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 22:51:19,337 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 22:51:19,348 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 22:51:19,348 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:51:19" (1/1) ... [2019-11-19 22:51:19,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:51:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:19,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2019-11-19 22:51:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2019-11-19 22:51:19,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 22:51:19,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:19,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:51:19,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:19,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2019-11-19 22:51:19,694 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2019-11-19 22:51:19,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 22:51:19,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:51:19,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:19,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-11-19 22:51:19,832 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-11-19 22:51:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 22:51:19,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:51:20,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:20,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 57 states and 78 transitions. [2019-11-19 22:51:20,166 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2019-11-19 22:51:20,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 22:51:20,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:51:20,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:20,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 67 states and 98 transitions. [2019-11-19 22:51:20,637 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2019-11-19 22:51:20,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 22:51:20,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:51:21,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:21,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 82 states and 128 transitions. [2019-11-19 22:51:21,563 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 128 transitions. [2019-11-19 22:51:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 22:51:21,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:21,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:51:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:21,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 83 states and 131 transitions. [2019-11-19 22:51:21,616 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 131 transitions. [2019-11-19 22:51:21,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 22:51:21,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:21,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:51:21,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:21,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 84 states and 132 transitions. [2019-11-19 22:51:21,723 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 132 transitions. [2019-11-19 22:51:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 22:51:21,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:51:21,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:21,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2019-11-19 22:51:21,786 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2019-11-19 22:51:21,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 22:51:21,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:51:21,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:21,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 86 states and 136 transitions. [2019-11-19 22:51:21,853 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 136 transitions. [2019-11-19 22:51:21,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 22:51:21,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:51:21,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2019-11-19 22:51:21,911 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2019-11-19 22:51:21,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 22:51:21,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:51:22,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:22,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 92 states and 144 transitions. [2019-11-19 22:51:22,411 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2019-11-19 22:51:22,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 22:51:22,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 22:51:22,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:22,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 98 states and 156 transitions. [2019-11-19 22:51:22,829 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 156 transitions. [2019-11-19 22:51:22,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 22:51:22,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:22,862 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 22:51:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:22,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 96 states and 152 transitions. [2019-11-19 22:51:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 152 transitions. [2019-11-19 22:51:22,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 22:51:22,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:23,185 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 22:51:24,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:24,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 99 states and 163 transitions. [2019-11-19 22:51:24,069 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 163 transitions. [2019-11-19 22:51:24,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 22:51:24,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 22:51:24,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:24,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 101 states and 167 transitions. [2019-11-19 22:51:24,396 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2019-11-19 22:51:24,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 22:51:24,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:24,426 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:51:24,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 103 states and 168 transitions. [2019-11-19 22:51:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 168 transitions. [2019-11-19 22:51:24,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-19 22:51:24,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:24,695 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:51:24,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:24,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 104 states and 169 transitions. [2019-11-19 22:51:24,811 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 169 transitions. [2019-11-19 22:51:24,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-19 22:51:24,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:51:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 92 states and 143 transitions. [2019-11-19 22:51:24,925 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 143 transitions. [2019-11-19 22:51:24,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 22:51:24,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:51:26,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 98 states and 157 transitions. [2019-11-19 22:51:26,114 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2019-11-19 22:51:26,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 22:51:26,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:26,146 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:51:26,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:26,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 100 states and 161 transitions. [2019-11-19 22:51:26,422 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 161 transitions. [2019-11-19 22:51:26,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 22:51:26,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:26,469 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:51:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:27,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 96 states and 143 transitions. [2019-11-19 22:51:27,732 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 143 transitions. [2019-11-19 22:51:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 22:51:27,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-19 22:51:28,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 98 states and 143 transitions. [2019-11-19 22:51:28,973 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 143 transitions. [2019-11-19 22:51:28,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-19 22:51:28,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:51:29,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:29,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 100 states and 146 transitions. [2019-11-19 22:51:29,036 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 146 transitions. [2019-11-19 22:51:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-19 22:51:29,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:29,066 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-19 22:51:29,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:29,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 101 states and 147 transitions. [2019-11-19 22:51:29,100 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2019-11-19 22:51:29,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-19 22:51:29,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:51:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:51:29,131 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:51:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:51:29,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 53 states and 64 transitions. [2019-11-19 22:51:29,157 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2019-11-19 22:51:29,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:51:29,158 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2019-11-19 22:51:29,166 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 22:51:29,528 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:51:29,532 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:51:29,533 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-19 22:51:29,540 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-19 22:51:29,541 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:51:29,541 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:51:29,542 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-19 22:51:29,544 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:51:29,544 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:51:29,544 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:51:29,545 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:51:29,545 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-19 22:51:29,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:51:29 ImpRootNode [2019-11-19 22:51:29,547 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:51:29,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:51:29,548 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:51:29,548 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:51:29,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:51:19" (3/4) ... [2019-11-19 22:51:29,553 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:51:29,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-19 22:51:29,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-19 22:51:29,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-19 22:51:29,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-19 22:51:29,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-19 22:51:29,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-19 22:51:29,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-11-19 22:51:29,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 22:51:29,576 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 22:51:29,577 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-19 22:51:29,578 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:51:29,578 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 22:51:29,616 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-11-19 22:51:29,616 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2019-11-19 22:51:29,618 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == methaneLevelCritical || (!(0 == tmp) && !(pumpRunning == 0))) || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp)) [2019-11-19 22:51:29,676 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5cb33210-c3ac-49c8-8609-f36aee4fba2c/bin/ukojak/witness.graphml [2019-11-19 22:51:29,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:51:29,678 INFO L168 Benchmark]: Toolchain (without parser) took 12065.42 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -77.2 MB). Peak memory consumption was 153.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:51:29,679 INFO L168 Benchmark]: CDTParser took 0.16 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. [2019-11-19 22:51:29,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:51:29,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.90 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. [2019-11-19 22:51:29,680 INFO L168 Benchmark]: Boogie Preprocessor took 72.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:51:29,680 INFO L168 Benchmark]: RCFGBuilder took 1074.86 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:51:29,681 INFO L168 Benchmark]: CodeCheck took 10209.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.5 MB). Peak memory consumption was 99.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:51:29,681 INFO L168 Benchmark]: Witness Printer took 129.03 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:51:29,683 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 7 procedures, 46 locations, 1 error locations. Result: SAFE, OverallTime: 9.7s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 714426628 SDtfs, 295794684 SDslu, 498601788 SDs, 0 SdLazy, 513051836 SolverSat, 138881636 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8503 GetRequests, 8281 SyntacticMatches, 54 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10569 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 924 NumberOfCodeBlocks, 924 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 899 ConstructedInterpolants, 0 QuantifiedInterpolants, 70888 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 20 PerfectInterpolantSequences, 305/316 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: 543]: 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: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (tmp == methaneLevelCritical || (!(0 == tmp) && !(pumpRunning == 0))) || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp)) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((1 == tmp && tmp == systemActive) && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive * 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 495.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.90 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. * Boogie Preprocessor took 72.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1074.86 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * CodeCheck took 10209.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.5 MB). Peak memory consumption was 99.7 MB. Max. memory is 11.5 GB. * Witness Printer took 129.03 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...