./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.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_e61ed1ed-f848-47b4-8421-6a713fbe644c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e61ed1ed-f848-47b4-8421-6a713fbe644c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e61ed1ed-f848-47b4-8421-6a713fbe644c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e61ed1ed-f848-47b4-8421-6a713fbe644c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e61ed1ed-f848-47b4-8421-6a713fbe644c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e61ed1ed-f848-47b4-8421-6a713fbe644c/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 94f4a1e9ea07f337cfe109f71c75c9357897e0ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:18:35,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:18:35,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:18:35,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:18:35,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:18:35,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:18:35,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:18:35,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:18:35,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:18:35,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:18:35,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:18:35,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:18:35,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:18:35,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:18:35,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:18:35,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:18:35,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:18:35,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:18:35,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:18:35,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:18:35,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:18:35,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:18:35,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:18:35,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:18:35,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:18:35,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:18:35,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:18:35,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:18:35,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:18:35,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:18:35,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:18:35,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:18:35,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:18:35,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:18:35,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:18:35,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:18:35,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:18:35,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:18:35,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:18:35,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:18:35,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:18:35,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e61ed1ed-f848-47b4-8421-6a713fbe644c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:18:35,852 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:18:35,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:18:35,859 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:18:35,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:18:35,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:18:35,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:18:35,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:18:35,861 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:18:35,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:18:35,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:18:35,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:18:35,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:18:35,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:18:35,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:18:35,862 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:18:35,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:18:35,862 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:18:35,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:18:35,862 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:18:35,863 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:18:35,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:18:35,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:18:35,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:18:35,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:18:35,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:18:35,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:18:35,864 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:18:35,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:18:35,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:18:35,864 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_e61ed1ed-f848-47b4-8421-6a713fbe644c/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 -> 94f4a1e9ea07f337cfe109f71c75c9357897e0ec [2019-10-22 10:18:35,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:18:35,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:18:35,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:18:35,900 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:18:35,901 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:18:35,901 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e61ed1ed-f848-47b4-8421-6a713fbe644c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2019-10-22 10:18:35,947 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e61ed1ed-f848-47b4-8421-6a713fbe644c/bin/ukojak/data/467f71cad/e72d6ed4dfb44de7a55db83abb4a0a85/FLAG610b91f07 [2019-10-22 10:18:36,388 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:18:36,389 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e61ed1ed-f848-47b4-8421-6a713fbe644c/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2019-10-22 10:18:36,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e61ed1ed-f848-47b4-8421-6a713fbe644c/bin/ukojak/data/467f71cad/e72d6ed4dfb44de7a55db83abb4a0a85/FLAG610b91f07 [2019-10-22 10:18:36,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e61ed1ed-f848-47b4-8421-6a713fbe644c/bin/ukojak/data/467f71cad/e72d6ed4dfb44de7a55db83abb4a0a85 [2019-10-22 10:18:36,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:18:36,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:18:36,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:36,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:18:36,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:18:36,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:36" (1/1) ... [2019-10-22 10:18:36,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3234252b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:36, skipping insertion in model container [2019-10-22 10:18:36,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:36" (1/1) ... [2019-10-22 10:18:36,749 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:18:36,791 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:18:37,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:37,161 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:18:37,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:37,263 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:18:37,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:37 WrapperNode [2019-10-22 10:18:37,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:37,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:37,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:18:37,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:18:37,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:37" (1/1) ... [2019-10-22 10:18:37,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:37" (1/1) ... [2019-10-22 10:18:37,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:37,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:18:37,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:18:37,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:18:37,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:37" (1/1) ... [2019-10-22 10:18:37,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:37" (1/1) ... [2019-10-22 10:18:37,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:37" (1/1) ... [2019-10-22 10:18:37,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:37" (1/1) ... [2019-10-22 10:18:37,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:37" (1/1) ... [2019-10-22 10:18:37,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:37" (1/1) ... [2019-10-22 10:18:37,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:37" (1/1) ... [2019-10-22 10:18:37,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:18:37,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:18:37,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:18:37,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:18:37,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e61ed1ed-f848-47b4-8421-6a713fbe644c/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 10:18:37,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:18:37,405 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:18:37,405 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:18:37,406 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:18:37,406 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:18:37,406 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:18:37,406 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:18:37,406 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:18:37,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:18:37,406 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:18:37,406 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:18:37,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:18:37,406 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:18:37,407 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:18:37,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:18:37,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:18:38,145 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:18:38,145 INFO L284 CfgBuilder]: Removed 32 assume(true) statements. [2019-10-22 10:18:38,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:38 BoogieIcfgContainer [2019-10-22 10:18:38,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:18:38,147 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:18:38,147 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:18:38,158 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:18:38,159 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:38" (1/1) ... [2019-10-22 10:18:38,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:18:38,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2019-10-22 10:18:38,214 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2019-10-22 10:18:38,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:18:38,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:38,436 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 10:18:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-10-22 10:18:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-10-22 10:18:38,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:18:38,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:38,526 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 10:18:38,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:38,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2019-10-22 10:18:38,544 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2019-10-22 10:18:38,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:18:38,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:38,628 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 10:18:38,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:38,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2019-10-22 10:18:38,780 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2019-10-22 10:18:38,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:18:38,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:38,866 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 10:18:38,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:38,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2019-10-22 10:18:38,880 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-10-22 10:18:38,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:18:38,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:38,921 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 10:18:38,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2019-10-22 10:18:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2019-10-22 10:18:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:18:38,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:39,050 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 10:18:39,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:39,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 76 states and 114 transitions. [2019-10-22 10:18:39,412 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2019-10-22 10:18:39,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:18:39,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:39,462 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 10:18:39,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:39,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 77 states and 115 transitions. [2019-10-22 10:18:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2019-10-22 10:18:39,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:18:39,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:39,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:39,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 136 transitions. [2019-10-22 10:18:39,954 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 136 transitions. [2019-10-22 10:18:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:18:39,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:40,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:40,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 88 states and 137 transitions. [2019-10-22 10:18:40,011 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2019-10-22 10:18:40,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:18:40,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:40,083 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 10:18:40,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:40,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 157 transitions. [2019-10-22 10:18:40,695 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2019-10-22 10:18:40,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:18:40,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:40,767 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 10:18:41,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:41,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 105 states and 170 transitions. [2019-10-22 10:18:41,036 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 170 transitions. [2019-10-22 10:18:41,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:18:41,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:41,070 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 10:18:41,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:41,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 166 transitions. [2019-10-22 10:18:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions. [2019-10-22 10:18:41,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:18:41,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:41,392 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 10:18:42,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:42,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 182 transitions. [2019-10-22 10:18:42,308 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 182 transitions. [2019-10-22 10:18:42,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:18:42,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:42,334 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 10:18:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:42,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 112 states and 186 transitions. [2019-10-22 10:18:42,530 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 186 transitions. [2019-10-22 10:18:42,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:18:42,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:42,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:42,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 121 states and 204 transitions. [2019-10-22 10:18:42,899 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 204 transitions. [2019-10-22 10:18:42,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:18:42,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:42,928 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:42,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:42,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 122 states and 205 transitions. [2019-10-22 10:18:42,943 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2019-10-22 10:18:42,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:18:42,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:43,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 123 states and 206 transitions. [2019-10-22 10:18:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 206 transitions. [2019-10-22 10:18:43,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:18:43,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:43,090 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:18:44,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 140 states and 257 transitions. [2019-10-22 10:18:44,456 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 257 transitions. [2019-10-22 10:18:44,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:18:44,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:44,483 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:18:44,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:44,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 141 states and 258 transitions. [2019-10-22 10:18:44,498 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 258 transitions. [2019-10-22 10:18:44,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:18:44,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:18:44,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 142 states and 259 transitions. [2019-10-22 10:18:44,546 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 259 transitions. [2019-10-22 10:18:44,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 10:18:44,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:44,572 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:18:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:45,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 151 states and 286 transitions. [2019-10-22 10:18:45,654 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 286 transitions. [2019-10-22 10:18:45,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:18:45,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:18:45,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:45,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 154 states and 291 transitions. [2019-10-22 10:18:45,710 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 291 transitions. [2019-10-22 10:18:45,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:18:45,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:18:45,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:45,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 155 states and 292 transitions. [2019-10-22 10:18:45,807 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 292 transitions. [2019-10-22 10:18:45,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 10:18:45,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:18:46,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:46,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 157 states and 294 transitions. [2019-10-22 10:18:46,066 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 294 transitions. [2019-10-22 10:18:46,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-22 10:18:46,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:46,101 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 10:18:46,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:46,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 161 states and 301 transitions. [2019-10-22 10:18:46,330 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 301 transitions. [2019-10-22 10:18:46,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 10:18:46,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:46,499 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-22 10:18:47,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:47,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 165 states and 309 transitions. [2019-10-22 10:18:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 309 transitions. [2019-10-22 10:18:47,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:18:47,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 10:18:47,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:47,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 163 states and 305 transitions. [2019-10-22 10:18:47,699 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 305 transitions. [2019-10-22 10:18:47,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 10:18:47,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-22 10:18:47,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 154 states and 282 transitions. [2019-10-22 10:18:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 282 transitions. [2019-10-22 10:18:47,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:18:47,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:18:48,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 160 states and 295 transitions. [2019-10-22 10:18:48,757 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 295 transitions. [2019-10-22 10:18:48,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:18:48,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 10:18:48,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 160 states and 294 transitions. [2019-10-22 10:18:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 294 transitions. [2019-10-22 10:18:48,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-22 10:18:48,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:48,886 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:18:48,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:48,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 162 states and 297 transitions. [2019-10-22 10:18:48,909 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 297 transitions. [2019-10-22 10:18:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:18:48,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:49,065 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:18:49,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:49,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 164 states and 298 transitions. [2019-10-22 10:18:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 298 transitions. [2019-10-22 10:18:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 10:18:49,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:49,542 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-22 10:18:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 160 states and 288 transitions. [2019-10-22 10:18:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 288 transitions. [2019-10-22 10:18:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 10:18:49,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-22 10:18:49,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:49,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 161 states and 289 transitions. [2019-10-22 10:18:49,623 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 289 transitions. [2019-10-22 10:18:49,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 10:18:49,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:18:49,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:49,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 154 states and 276 transitions. [2019-10-22 10:18:49,682 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 276 transitions. [2019-10-22 10:18:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-22 10:18:49,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:49,716 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-22 10:18:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:51,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 165 states and 297 transitions. [2019-10-22 10:18:51,149 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 297 transitions. [2019-10-22 10:18:51,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-22 10:18:51,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:51,181 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-22 10:18:51,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:51,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 76 states and 107 transitions. [2019-10-22 10:18:51,699 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-10-22 10:18:51,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:18:51,700 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 38 iterations. [2019-10-22 10:18:51,707 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:18:51,980 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:51,983 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:18:51,986 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:51,987 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:18:51,987 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:51,987 INFO L575 CodeCheckObserver]: Invariant with dag size 12 [2019-10-22 10:18:51,988 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:51,988 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:51,988 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:51,988 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:51,988 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:51,989 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:51,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:18:51 ImpRootNode [2019-10-22 10:18:51,989 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:18:51,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:18:51,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:18:51,990 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:18:51,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:38" (3/4) ... [2019-10-22 10:18:51,992 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:18:51,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:18:51,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:18:51,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:18:51,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:18:51,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-10-22 10:18:51,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:18:52,001 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2019-10-22 10:18:52,002 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 10:18:52,002 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 10:18:52,002 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:18:52,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:18:52,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:18:52,026 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-10-22 10:18:52,026 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == methaneLevelCritical || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || 0 == tmp [2019-10-22 10:18:52,060 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e61ed1ed-f848-47b4-8421-6a713fbe644c/bin/ukojak/witness.graphml [2019-10-22 10:18:52,060 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:18:52,061 INFO L168 Benchmark]: Toolchain (without parser) took 15326.19 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 396.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 224.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:52,062 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:18:52,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 939.4 MB in the beginning and 1.2 GB in the end (delta: -231.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:52,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:18:52,063 INFO L168 Benchmark]: Boogie Preprocessor took 39.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:52,063 INFO L168 Benchmark]: RCFGBuilder took 794.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:52,063 INFO L168 Benchmark]: CodeCheck took 13842.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 209.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -36.5 MB). Peak memory consumption was 173.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:52,064 INFO L168 Benchmark]: Witness Printer took 70.47 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:52,065 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, 48 locations, 1 error locations. Result: SAFE, OverallTime: 13.5s, OverallIterations: 38, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -786345936 SDtfs, 9904082 SDslu, 1566603988 SDs, 0 SdLazy, 1342672658 SolverSat, 2015179088 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17009 GetRequests, 16622 SyntacticMatches, 141 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25085 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1716 NumberOfCodeBlocks, 1716 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1679 ConstructedInterpolants, 0 QuantifiedInterpolants, 176893 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 23 PerfectInterpolantSequences, 772/853 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: 269]: 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: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((tmp == methaneLevelCritical || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || 0 == tmp - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 528.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 939.4 MB in the beginning and 1.2 GB in the end (delta: -231.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 794.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. * CodeCheck took 13842.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 209.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -36.5 MB). Peak memory consumption was 173.2 MB. Max. memory is 11.5 GB. * Witness Printer took 70.47 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...