./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.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_0ccf7383-1932-4bd4-830d-689d8c1e12af/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0ccf7383-1932-4bd4-830d-689d8c1e12af/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0ccf7383-1932-4bd4-830d-689d8c1e12af/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0ccf7383-1932-4bd4-830d-689d8c1e12af/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0ccf7383-1932-4bd4-830d-689d8c1e12af/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0ccf7383-1932-4bd4-830d-689d8c1e12af/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 f92aef55fa426b86704369eb7f8ab70f879f200b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:42:20,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:20,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:20,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:20,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:20,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:20,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:20,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:20,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:20,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:20,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:20,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:20,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:20,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:20,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:20,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:20,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:20,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:20,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:20,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:20,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:20,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:20,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:20,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:20,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:20,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:20,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:20,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:20,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:20,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:20,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:20,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:20,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:20,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:20,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:20,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:20,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:20,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:20,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:20,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:20,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:20,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0ccf7383-1932-4bd4-830d-689d8c1e12af/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:42:20,613 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:20,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:20,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:20,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:20,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:20,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:20,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:20,616 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:42:20,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:20,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:42:20,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:20,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:20,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:20,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:20,619 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:42:20,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:20,619 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:20,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:20,620 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:20,620 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:20,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:20,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:20,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:20,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:20,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:20,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:20,621 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:20,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:20,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:20,622 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_0ccf7383-1932-4bd4-830d-689d8c1e12af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0ccf7383-1932-4bd4-830d-689d8c1e12af/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f92aef55fa426b86704369eb7f8ab70f879f200b [2020-11-28 04:42:20,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:20,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:20,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:20,949 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:20,951 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:20,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0ccf7383-1932-4bd4-830d-689d8c1e12af/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2020-11-28 04:42:21,021 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ccf7383-1932-4bd4-830d-689d8c1e12af/bin/ukojak/data/b0c096c02/d0195fd9d7c5409faaefde864638db42/FLAG97f52bd0b [2020-11-28 04:42:21,656 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:21,656 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0ccf7383-1932-4bd4-830d-689d8c1e12af/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2020-11-28 04:42:21,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ccf7383-1932-4bd4-830d-689d8c1e12af/bin/ukojak/data/b0c096c02/d0195fd9d7c5409faaefde864638db42/FLAG97f52bd0b [2020-11-28 04:42:21,962 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0ccf7383-1932-4bd4-830d-689d8c1e12af/bin/ukojak/data/b0c096c02/d0195fd9d7c5409faaefde864638db42 [2020-11-28 04:42:21,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:21,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:21,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:21,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:21,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:21,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:21" (1/1) ... [2020-11-28 04:42:21,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@204efadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:21, skipping insertion in model container [2020-11-28 04:42:21,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:21" (1/1) ... [2020-11-28 04:42:21,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:22,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:22,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:22,442 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:42:22,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:22,644 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:42:22,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22 WrapperNode [2020-11-28 04:42:22,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:22,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:22,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:42:22,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:42:22,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:22,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:42:22,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:42:22,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:42:22,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:42:22,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:42:22,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:42:22,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:42:22,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ccf7383-1932-4bd4-830d-689d8c1e12af/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 04:42:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:42:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:42:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:42:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:42:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:42:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:42:22,905 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:42:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:42:22,905 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:42:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:42:22,906 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:42:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:42:22,906 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:42:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:42:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:42:22,906 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:42:22,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:42:22,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:42:24,040 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:42:24,040 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-28 04:42:24,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:24 BoogieIcfgContainer [2020-11-28 04:42:24,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:42:24,044 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:42:24,044 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:42:24,056 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:42:24,056 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:24" (1/1) ... [2020-11-28 04:42:24,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:42:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:24,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-11-28 04:42:24,119 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-11-28 04:42:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:42:24,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:24,442 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 04:42:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:24,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-11-28 04:42:24,463 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-11-28 04:42:24,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:42:24,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:24,596 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 04:42:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:24,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-11-28 04:42:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-11-28 04:42:24,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:42:24,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:24,758 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 04:42:24,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2020-11-28 04:42:24,805 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-11-28 04:42:24,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:42:24,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:24,866 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 04:42:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2020-11-28 04:42:25,116 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2020-11-28 04:42:25,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:42:25,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:25,214 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 04:42:25,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:25,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2020-11-28 04:42:25,232 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2020-11-28 04:42:25,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:42:25,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:25,391 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 04:42:25,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:25,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2020-11-28 04:42:25,941 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2020-11-28 04:42:25,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:42:25,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:26,063 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 04:42:26,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:26,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 95 states and 155 transitions. [2020-11-28 04:42:26,669 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 155 transitions. [2020-11-28 04:42:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:42:26,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:26,757 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 04:42:26,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:26,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 96 states and 156 transitions. [2020-11-28 04:42:26,771 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 156 transitions. [2020-11-28 04:42:26,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:42:26,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:26,870 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 04:42:27,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:27,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 108 states and 181 transitions. [2020-11-28 04:42:27,717 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 181 transitions. [2020-11-28 04:42:27,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:42:27,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:27,767 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 04:42:27,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 113 states and 193 transitions. [2020-11-28 04:42:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2020-11-28 04:42:27,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:42:27,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,044 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 04:42:28,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 116 states and 200 transitions. [2020-11-28 04:42:28,305 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2020-11-28 04:42:28,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:42:28,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,342 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 04:42:28,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 121 states and 212 transitions. [2020-11-28 04:42:28,501 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 212 transitions. [2020-11-28 04:42:28,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:42:28,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,534 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 04:42:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 122 states and 213 transitions. [2020-11-28 04:42:28,554 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 213 transitions. [2020-11-28 04:42:28,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:42:28,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,612 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 04:42:28,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 124 states and 215 transitions. [2020-11-28 04:42:28,635 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 215 transitions. [2020-11-28 04:42:28,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:42:28,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,674 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 04:42:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 125 states and 216 transitions. [2020-11-28 04:42:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 216 transitions. [2020-11-28 04:42:28,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:42:28,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,766 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 04:42:28,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 130 states and 226 transitions. [2020-11-28 04:42:28,970 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 226 transitions. [2020-11-28 04:42:28,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:42:28,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:29,009 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 04:42:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:29,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 132 states and 228 transitions. [2020-11-28 04:42:29,026 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 228 transitions. [2020-11-28 04:42:29,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:42:29,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:29,061 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 04:42:29,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:29,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 141 states and 246 transitions. [2020-11-28 04:42:29,705 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 246 transitions. [2020-11-28 04:42:29,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:42:29,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:30,093 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 04:42:31,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:31,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 144 states and 252 transitions. [2020-11-28 04:42:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 252 transitions. [2020-11-28 04:42:31,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:42:31,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:31,100 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 04:42:31,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:31,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 145 states and 254 transitions. [2020-11-28 04:42:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 254 transitions. [2020-11-28 04:42:31,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:42:31,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:31,171 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 04:42:31,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:31,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 146 states and 257 transitions. [2020-11-28 04:42:31,407 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 257 transitions. [2020-11-28 04:42:31,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:42:31,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:31,791 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 04:42:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:33,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 153 states and 269 transitions. [2020-11-28 04:42:33,209 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 269 transitions. [2020-11-28 04:42:33,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:42:33,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:33,242 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 04:42:33,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:33,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 157 states and 279 transitions. [2020-11-28 04:42:33,424 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 279 transitions. [2020-11-28 04:42:33,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:42:33,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:33,455 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 04:42:33,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 161 states and 286 transitions. [2020-11-28 04:42:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 286 transitions. [2020-11-28 04:42:33,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:42:33,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:42:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 169 states and 301 transitions. [2020-11-28 04:42:34,486 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 301 transitions. [2020-11-28 04:42:34,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:42:34,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,520 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:42:34,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 173 states and 307 transitions. [2020-11-28 04:42:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 307 transitions. [2020-11-28 04:42:34,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:42:34,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:42:36,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 185 states and 328 transitions. [2020-11-28 04:42:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 328 transitions. [2020-11-28 04:42:36,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:42:36,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:42:36,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 186 states and 328 transitions. [2020-11-28 04:42:36,306 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 328 transitions. [2020-11-28 04:42:36,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:42:36,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:42:37,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:37,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 194 states and 347 transitions. [2020-11-28 04:42:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 347 transitions. [2020-11-28 04:42:37,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:42:37,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:37,566 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:42:39,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:39,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 204 states and 371 transitions. [2020-11-28 04:42:39,647 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 371 transitions. [2020-11-28 04:42:39,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:42:39,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:39,681 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:42:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 212 states and 389 transitions. [2020-11-28 04:42:40,355 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 389 transitions. [2020-11-28 04:42:40,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:42:40,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:42,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:42,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 220 states and 406 transitions. [2020-11-28 04:42:42,581 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 406 transitions. [2020-11-28 04:42:42,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:42:42,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:42,612 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:42:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:42,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 221 states and 407 transitions. [2020-11-28 04:42:42,788 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 407 transitions. [2020-11-28 04:42:42,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:42:42,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:42:43,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:43,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 222 states and 410 transitions. [2020-11-28 04:42:43,230 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 410 transitions. [2020-11-28 04:42:43,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:42:43,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:45,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 238 states and 438 transitions. [2020-11-28 04:42:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 438 transitions. [2020-11-28 04:42:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:42:45,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:45,497 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:42:45,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:45,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 239 states and 441 transitions. [2020-11-28 04:42:45,537 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 441 transitions. [2020-11-28 04:42:45,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:42:45,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:45,567 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:42:45,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:45,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 241 states and 444 transitions. [2020-11-28 04:42:45,857 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 444 transitions. [2020-11-28 04:42:45,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:42:45,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:45,888 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:42:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:46,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 244 states and 443 transitions. [2020-11-28 04:42:46,426 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 443 transitions. [2020-11-28 04:42:46,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:42:46,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:46,476 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-28 04:42:46,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 245 states and 444 transitions. [2020-11-28 04:42:46,678 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 444 transitions. [2020-11-28 04:42:46,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:42:46,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:46,707 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:42:46,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:46,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 248 states and 447 transitions. [2020-11-28 04:42:46,782 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 447 transitions. [2020-11-28 04:42:46,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:42:46,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:46,817 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:42:47,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:47,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 254 states and 456 transitions. [2020-11-28 04:42:47,044 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 456 transitions. [2020-11-28 04:42:47,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:42:47,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:42:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 255 states and 459 transitions. [2020-11-28 04:42:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 459 transitions. [2020-11-28 04:42:47,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:42:47,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:42:47,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:47,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 256 states and 462 transitions. [2020-11-28 04:42:47,524 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 462 transitions. [2020-11-28 04:42:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:42:47,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:42:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:47,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 259 states and 467 transitions. [2020-11-28 04:42:47,623 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 467 transitions. [2020-11-28 04:42:47,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:42:47,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:47,653 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-28 04:42:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:48,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 260 states and 467 transitions. [2020-11-28 04:42:48,798 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 467 transitions. [2020-11-28 04:42:48,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:42:48,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:48,837 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:42:49,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:49,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 263 states and 469 transitions. [2020-11-28 04:42:49,085 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 469 transitions. [2020-11-28 04:42:49,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 04:42:49,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:42:49,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:49,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 266 states and 472 transitions. [2020-11-28 04:42:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 472 transitions. [2020-11-28 04:42:49,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 04:42:49,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:49,191 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:42:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 267 states and 473 transitions. [2020-11-28 04:42:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 473 transitions. [2020-11-28 04:42:49,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-28 04:42:49,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:49,256 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:42:49,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:49,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 97 states and 126 transitions. [2020-11-28 04:42:49,287 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 126 transitions. [2020-11-28 04:42:49,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:42:49,288 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2020-11-28 04:42:49,296 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:42:49,630 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 19 [2020-11-28 04:42:49,778 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:49,782 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:42:49,786 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:49,786 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:49,787 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:49,787 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:49,787 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:42:49,789 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:49,789 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:49,789 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:49,789 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:49,789 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:42:49,790 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-28 04:42:49,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:42:49 ImpRootNode [2020-11-28 04:42:49,791 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:42:49,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:42:49,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:42:49,792 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:42:49,793 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:24" (3/4) ... [2020-11-28 04:42:49,795 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:42:49,800 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:42:49,800 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:42:49,800 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:42:49,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:42:49,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:42:49,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:42:49,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:42:49,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-11-28 04:42:49,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:42:49,810 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:42:49,810 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:42:49,811 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:42:49,811 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:42:49,812 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:42:49,837 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && !(0 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-11-28 04:42:49,837 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2020-11-28 04:42:49,838 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == methaneLevelCritical || (!(pumpRunning == \old(pumpRunning)) && !(tmp == 0))) || (!(tmp == 0) && !(0 == systemActive))) || (!(pumpRunning == 0) && !(tmp == 0)) [2020-11-28 04:42:49,882 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0ccf7383-1932-4bd4-830d-689d8c1e12af/bin/ukojak/witness.graphml [2020-11-28 04:42:49,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:42:49,883 INFO L168 Benchmark]: Toolchain (without parser) took 27911.96 ms. Allocated memory was 92.3 MB in the beginning and 436.2 MB in the end (delta: 343.9 MB). Free memory was 62.2 MB in the beginning and 190.7 MB in the end (delta: -128.5 MB). Peak memory consumption was 217.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:49,884 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 63.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:49,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.92 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 62.0 MB in the beginning and 89.9 MB in the end (delta: -27.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:49,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.79 ms. Allocated memory is still 115.3 MB. Free memory was 89.9 MB in the beginning and 87.7 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:49,885 INFO L168 Benchmark]: Boogie Preprocessor took 65.19 ms. Allocated memory is still 115.3 MB. Free memory was 87.7 MB in the beginning and 85.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:49,886 INFO L168 Benchmark]: RCFGBuilder took 1230.56 ms. Allocated memory is still 115.3 MB. Free memory was 85.7 MB in the beginning and 61.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:49,886 INFO L168 Benchmark]: CodeCheck took 25747.43 ms. Allocated memory was 115.3 MB in the beginning and 436.2 MB in the end (delta: 320.9 MB). Free memory was 61.8 MB in the beginning and 196.0 MB in the end (delta: -134.2 MB). Peak memory consumption was 185.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:49,887 INFO L168 Benchmark]: Witness Printer took 90.59 ms. Allocated memory is still 436.2 MB. Free memory was 196.0 MB in the beginning and 190.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:49,889 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 8 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.2s, OverallIterations: 50, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -461070016 SDtfs, -1469939960 SDslu, 2053729268 SDs, 0 SdLazy, 638625028 SolverSat, -1757975640 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20816 GetRequests, 20470 SyntacticMatches, 26 SemanticMatches, 320 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46270 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2057 NumberOfCodeBlocks, 2057 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 2008 ConstructedInterpolants, 0 QuantifiedInterpolants, 175926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 41 PerfectInterpolantSequences, 726/745 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: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: ((tmp == methaneLevelCritical || (!(pumpRunning == \old(pumpRunning)) && !(tmp == 0))) || (!(tmp == 0) && !(0 == systemActive))) || (!(pumpRunning == 0) && !(tmp == 0)) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && !(0 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 63.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 683.92 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 62.0 MB in the beginning and 89.9 MB in the end (delta: -27.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.79 ms. Allocated memory is still 115.3 MB. Free memory was 89.9 MB in the beginning and 87.7 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.19 ms. Allocated memory is still 115.3 MB. Free memory was 87.7 MB in the beginning and 85.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1230.56 ms. Allocated memory is still 115.3 MB. Free memory was 85.7 MB in the beginning and 61.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. * CodeCheck took 25747.43 ms. Allocated memory was 115.3 MB in the beginning and 436.2 MB in the end (delta: 320.9 MB). Free memory was 61.8 MB in the beginning and 196.0 MB in the end (delta: -134.2 MB). Peak memory consumption was 185.7 MB. Max. memory is 16.1 GB. * Witness Printer took 90.59 ms. Allocated memory is still 436.2 MB. Free memory was 196.0 MB in the beginning and 190.7 MB in the end (delta: 5.2 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...