./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b82b0f998a9d26b358f90a637412c0e37109780 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:32:30,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:32:30,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:32:30,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:32:30,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:32:30,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:32:30,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:32:30,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:32:30,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:32:30,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:32:30,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:32:30,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:32:30,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:32:30,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:32:30,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:32:30,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:32:30,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:32:30,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:32:30,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:32:30,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:32:30,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:32:30,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:32:30,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:32:30,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:32:30,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:32:30,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:32:30,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:32:30,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:32:30,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:32:30,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:32:30,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:32:30,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:32:30,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:32:30,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:32:30,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:32:30,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:32:30,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:32:30,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:32:30,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:32:30,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:32:30,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:32:30,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:32:30,787 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:32:30,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:32:30,794 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:32:30,794 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:32:30,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:32:30,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:32:30,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:32:30,796 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:32:30,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:32:30,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:32:30,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:32:30,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:32:30,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:32:30,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:32:30,798 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:32:30,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:32:30,799 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:32:30,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:32:30,799 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:32:30,799 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:32:30,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:32:30,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:32:30,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:32:30,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:32:30,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:32:30,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:32:30,801 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:32:30,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:32:30,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:32:30,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b82b0f998a9d26b358f90a637412c0e37109780 [2020-11-28 04:32:31,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:32:31,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:32:31,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:32:31,150 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:32:31,158 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:32:31,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2020-11-28 04:32:31,274 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/bin/ukojak/data/e7f4acb03/18a411bc8f89460babd37438dda36107/FLAG912863ee6 [2020-11-28 04:32:31,954 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:32:31,955 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2020-11-28 04:32:31,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/bin/ukojak/data/e7f4acb03/18a411bc8f89460babd37438dda36107/FLAG912863ee6 [2020-11-28 04:32:32,182 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/bin/ukojak/data/e7f4acb03/18a411bc8f89460babd37438dda36107 [2020-11-28 04:32:32,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:32:32,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:32:32,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:32:32,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:32:32,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:32:32,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:32,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8bf1422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32, skipping insertion in model container [2020-11-28 04:32:32,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:32,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:32:32,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:32:32,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:32:32,798 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:32:32,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:32:32,962 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:32:32,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32 WrapperNode [2020-11-28 04:32:32,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:32:32,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:32:32,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:32:32,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:32:32,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:32,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:33,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:32:33,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:32:33,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:32:33,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:32:33,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:33,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:33,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:33,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:33,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:33,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:33,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:33,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:32:33,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:32:33,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:32:33,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:32:33,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/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 [2020-11-28 04:32:33,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:32:33,203 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:32:33,204 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:32:33,205 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:32:33,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:32:33,206 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:32:33,206 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:32:33,206 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:32:33,206 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:32:33,207 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:32:33,207 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:32:33,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:32:33,208 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:32:33,208 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:32:33,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:32:33,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:32:34,731 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:32:34,731 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-28 04:32:34,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:34 BoogieIcfgContainer [2020-11-28 04:32:34,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:32:34,734 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:32:34,734 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:32:34,746 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:32:34,747 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:34" (1/1) ... [2020-11-28 04:32:34,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:32:34,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:34,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2020-11-28 04:32:34,815 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2020-11-28 04:32:34,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:32:34,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:35,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:35,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-11-28 04:32:35,148 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-11-28 04:32:35,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:32:35,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:35,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:35,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:35,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2020-11-28 04:32:35,325 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2020-11-28 04:32:35,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:32:35,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:35,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:35,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2020-11-28 04:32:35,812 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-11-28 04:32:35,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:32:35,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:36,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:36,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 114 transitions. [2020-11-28 04:32:36,940 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2020-11-28 04:32:36,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:32:36,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 82 states and 128 transitions. [2020-11-28 04:32:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 128 transitions. [2020-11-28 04:32:37,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:32:37,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:37,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:38,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:38,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 97 states and 163 transitions. [2020-11-28 04:32:38,646 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 163 transitions. [2020-11-28 04:32:38,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:32:38,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:38,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:38,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 99 states and 165 transitions. [2020-11-28 04:32:38,917 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 165 transitions. [2020-11-28 04:32:38,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:32:38,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:39,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:39,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 103 states and 172 transitions. [2020-11-28 04:32:39,215 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2020-11-28 04:32:39,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:32:39,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:39,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:39,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:39,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 104 states and 173 transitions. [2020-11-28 04:32:39,273 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2020-11-28 04:32:39,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:32:39,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:39,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:39,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 105 states and 174 transitions. [2020-11-28 04:32:39,329 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2020-11-28 04:32:39,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:32:39,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:39,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 110 states and 184 transitions. [2020-11-28 04:32:39,584 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 184 transitions. [2020-11-28 04:32:39,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:32:39,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:39,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 111 states and 186 transitions. [2020-11-28 04:32:39,813 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 186 transitions. [2020-11-28 04:32:39,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:32:39,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:32:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:39,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 196 transitions. [2020-11-28 04:32:39,987 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2020-11-28 04:32:39,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:32:39,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:32:41,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:41,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 119 states and 204 transitions. [2020-11-28 04:32:41,180 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 204 transitions. [2020-11-28 04:32:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:32:41,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:41,237 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:42,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 127 states and 219 transitions. [2020-11-28 04:32:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 219 transitions. [2020-11-28 04:32:42,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:32:42,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:32:42,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:42,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 128 states and 220 transitions. [2020-11-28 04:32:42,131 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 220 transitions. [2020-11-28 04:32:42,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:32:42,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:42,189 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:32:42,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:42,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 131 states and 227 transitions. [2020-11-28 04:32:42,537 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 227 transitions. [2020-11-28 04:32:42,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:32:42,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:32:44,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:44,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 144 states and 254 transitions. [2020-11-28 04:32:44,484 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 254 transitions. [2020-11-28 04:32:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:32:44,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:44,522 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:32:45,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:45,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 150 states and 270 transitions. [2020-11-28 04:32:45,990 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 270 transitions. [2020-11-28 04:32:45,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:32:45,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:46,038 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-28 04:32:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 152 states and 271 transitions. [2020-11-28 04:32:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 271 transitions. [2020-11-28 04:32:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 04:32:46,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:46,210 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:32:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:47,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 159 states and 283 transitions. [2020-11-28 04:32:47,254 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 283 transitions. [2020-11-28 04:32:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:32:47,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 04:32:47,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 162 states and 288 transitions. [2020-11-28 04:32:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 288 transitions. [2020-11-28 04:32:47,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 04:32:47,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:47,383 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:32:47,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:47,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 163 states and 289 transitions. [2020-11-28 04:32:47,424 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 289 transitions. [2020-11-28 04:32:47,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-28 04:32:47,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:47,470 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-28 04:32:47,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:47,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 164 states and 290 transitions. [2020-11-28 04:32:47,504 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 290 transitions. [2020-11-28 04:32:47,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 04:32:47,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:47,549 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 04:32:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:47,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 55 states and 66 transitions. [2020-11-28 04:32:47,574 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2020-11-28 04:32:47,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:32:47,575 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2020-11-28 04:32:47,582 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:32:47,919 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:47,923 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:32:47,926 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:47,926 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:47,927 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:47,927 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:47,927 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:47,927 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:47,927 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:47,927 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:47,927 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:32:47,928 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:32:47,929 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:47,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:32:47 ImpRootNode [2020-11-28 04:32:47,930 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:32:47,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:32:47,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:32:47,931 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:32:47,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:34" (3/4) ... [2020-11-28 04:32:47,935 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:32:47,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:32:47,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:32:47,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:32:47,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:32:47,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:32:47,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:32:47,948 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-28 04:32:47,949 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 04:32:47,949 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:32:47,950 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:32:47,950 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:32:47,951 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:32:47,951 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:32:47,976 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-11-28 04:32:48,024 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a91b1778-0beb-4f0e-84dd-a5ae596e062c/bin/ukojak/witness.graphml [2020-11-28 04:32:48,024 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:32:48,026 INFO L168 Benchmark]: Toolchain (without parser) took 15839.33 ms. Allocated memory was 88.1 MB in the beginning and 243.3 MB in the end (delta: 155.2 MB). Free memory was 56.5 MB in the beginning and 116.3 MB in the end (delta: -59.7 MB). Peak memory consumption was 96.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:48,027 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 67.1 MB. Free memory was 29.6 MB in the beginning and 29.6 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:32:48,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.02 ms. Allocated memory is still 88.1 MB. Free memory was 56.3 MB in the beginning and 56.7 MB in the end (delta: -363.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:48,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.05 ms. Allocated memory is still 88.1 MB. Free memory was 56.7 MB in the beginning and 54.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:48,028 INFO L168 Benchmark]: Boogie Preprocessor took 73.38 ms. Allocated memory is still 88.1 MB. Free memory was 54.2 MB in the beginning and 52.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:48,028 INFO L168 Benchmark]: RCFGBuilder took 1608.65 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 52.5 MB in the beginning and 88.8 MB in the end (delta: -36.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:48,029 INFO L168 Benchmark]: CodeCheck took 13195.54 ms. Allocated memory was 115.3 MB in the beginning and 243.3 MB in the end (delta: 127.9 MB). Free memory was 88.8 MB in the beginning and 121.5 MB in the end (delta: -32.8 MB). Peak memory consumption was 93.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:48,029 INFO L168 Benchmark]: Witness Printer took 94.06 ms. Allocated memory is still 243.3 MB. Free memory was 121.5 MB in the beginning and 116.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:48,032 INFO L339 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, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.7s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 798951188 SDtfs, 284369316 SDslu, 557696420 SDs, 0 SdLazy, 594877652 SolverSat, 202022828 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9756 GetRequests, 9571 SyntacticMatches, 3 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13230 ImplicationChecksByTransitivity, 8.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 994 NumberOfCodeBlocks, 994 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 969 ConstructedInterpolants, 0 QuantifiedInterpolants, 82910 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 313/339 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: 3]: 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: 174]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((tmp == systemActive && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 67.1 MB. Free memory was 29.6 MB in the beginning and 29.6 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 772.02 ms. Allocated memory is still 88.1 MB. Free memory was 56.3 MB in the beginning and 56.7 MB in the end (delta: -363.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.05 ms. Allocated memory is still 88.1 MB. Free memory was 56.7 MB in the beginning and 54.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.38 ms. Allocated memory is still 88.1 MB. Free memory was 54.2 MB in the beginning and 52.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1608.65 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 52.5 MB in the beginning and 88.8 MB in the end (delta: -36.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. * CodeCheck took 13195.54 ms. Allocated memory was 115.3 MB in the beginning and 243.3 MB in the end (delta: 127.9 MB). Free memory was 88.8 MB in the beginning and 121.5 MB in the end (delta: -32.8 MB). Peak memory consumption was 93.8 MB. Max. memory is 16.1 GB. * Witness Printer took 94.06 ms. Allocated memory is still 243.3 MB. Free memory was 121.5 MB in the beginning and 116.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...