./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.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_0762aa16-f9ad-48af-ad40-2cea6093405d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0762aa16-f9ad-48af-ad40-2cea6093405d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0762aa16-f9ad-48af-ad40-2cea6093405d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0762aa16-f9ad-48af-ad40-2cea6093405d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0762aa16-f9ad-48af-ad40-2cea6093405d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0762aa16-f9ad-48af-ad40-2cea6093405d/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 ad44d32391aa6283f5e8433cbefa6aad81c0febf .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:38:09,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:38:09,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:38:09,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:38:09,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:38:09,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:38:09,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:38:09,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:38:09,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:38:09,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:38:09,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:38:09,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:38:09,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:38:09,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:38:09,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:38:09,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:38:09,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:38:09,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:38:09,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:38:09,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:38:09,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:38:09,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:38:09,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:38:09,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:38:09,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:38:09,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:38:09,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:38:09,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:38:09,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:38:09,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:38:09,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:38:09,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:38:09,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:38:09,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:38:09,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:38:09,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:38:09,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:38:09,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:38:09,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:38:09,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:38:09,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:38:09,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0762aa16-f9ad-48af-ad40-2cea6093405d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 22:38:09,793 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:38:09,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:38:09,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 22:38:09,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 22:38:09,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:38:09,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:38:09,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:38:09,797 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:38:09,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:38:09,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:38:09,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:38:09,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:38:09,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:38:09,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:38:09,800 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:38:09,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:38:09,800 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:38:09,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:38:09,801 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 22:38:09,801 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 22:38:09,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:38:09,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:38:09,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 22:38:09,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:38:09,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:38:09,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:38:09,803 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 22:38:09,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:38:09,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:38:09,806 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_0762aa16-f9ad-48af-ad40-2cea6093405d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0762aa16-f9ad-48af-ad40-2cea6093405d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad44d32391aa6283f5e8433cbefa6aad81c0febf [2020-11-29 22:38:10,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:38:10,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:38:10,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:38:10,109 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:38:10,111 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:38:10,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0762aa16-f9ad-48af-ad40-2cea6093405d/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2020-11-29 22:38:10,197 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0762aa16-f9ad-48af-ad40-2cea6093405d/bin/ukojak/data/0558364e8/c3571e3c701f4f39a55047942d09da51/FLAG20052b3b0 [2020-11-29 22:38:10,704 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:38:10,705 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0762aa16-f9ad-48af-ad40-2cea6093405d/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2020-11-29 22:38:10,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0762aa16-f9ad-48af-ad40-2cea6093405d/bin/ukojak/data/0558364e8/c3571e3c701f4f39a55047942d09da51/FLAG20052b3b0 [2020-11-29 22:38:11,039 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0762aa16-f9ad-48af-ad40-2cea6093405d/bin/ukojak/data/0558364e8/c3571e3c701f4f39a55047942d09da51 [2020-11-29 22:38:11,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:38:11,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:38:11,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:38:11,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:38:11,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:38:11,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:38:11" (1/1) ... [2020-11-29 22:38:11,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369c6625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:11, skipping insertion in model container [2020-11-29 22:38:11,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:38:11" (1/1) ... [2020-11-29 22:38:11,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:38:11,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:38:11,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:38:11,452 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:38:11,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:38:11,637 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:38:11,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:11 WrapperNode [2020-11-29 22:38:11,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:38:11,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:38:11,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:38:11,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:38:11,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:11" (1/1) ... [2020-11-29 22:38:11,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:11" (1/1) ... [2020-11-29 22:38:11,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:38:11,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:38:11,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:38:11,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:38:11,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:11" (1/1) ... [2020-11-29 22:38:11,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:11" (1/1) ... [2020-11-29 22:38:11,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:11" (1/1) ... [2020-11-29 22:38:11,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:11" (1/1) ... [2020-11-29 22:38:11,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:11" (1/1) ... [2020-11-29 22:38:11,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:11" (1/1) ... [2020-11-29 22:38:11,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:11" (1/1) ... [2020-11-29 22:38:11,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:38:11,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:38:11,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:38:11,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:38:11,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0762aa16-f9ad-48af-ad40-2cea6093405d/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 [2020-11-29 22:38:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:38:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 22:38:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 22:38:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 22:38:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 22:38:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 22:38:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 22:38:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 22:38:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 22:38:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 22:38:11,881 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 22:38:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 22:38:11,882 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 22:38:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:38:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 22:38:11,882 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 22:38:11,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:38:11,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:38:13,178 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:38:13,178 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-29 22:38:13,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:38:13 BoogieIcfgContainer [2020-11-29 22:38:13,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:38:13,181 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 22:38:13,181 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 22:38:13,192 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 22:38:13,193 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:38:13" (1/1) ... [2020-11-29 22:38:13,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:38:13,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:13,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-11-29 22:38:13,241 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-11-29 22:38:13,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 22:38:13,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:13,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:13,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-11-29 22:38:13,601 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-11-29 22:38:13,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 22:38:13,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:13,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:13,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-11-29 22:38:13,790 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-11-29 22:38:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 22:38:13,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:13,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:14,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:14,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2020-11-29 22:38:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2020-11-29 22:38:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 22:38:14,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:14,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:14,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2020-11-29 22:38:14,217 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2020-11-29 22:38:14,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 22:38:14,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:14,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:14,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2020-11-29 22:38:14,326 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2020-11-29 22:38:14,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:38:14,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:14,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:14,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:14,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 84 states and 129 transitions. [2020-11-29 22:38:14,940 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2020-11-29 22:38:14,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 22:38:14,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:15,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:15,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:15,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 95 states and 153 transitions. [2020-11-29 22:38:15,575 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 153 transitions. [2020-11-29 22:38:15,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 22:38:15,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:15,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:15,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 96 states and 154 transitions. [2020-11-29 22:38:15,639 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 154 transitions. [2020-11-29 22:38:15,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 22:38:15,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:15,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:15,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:15,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 97 states and 155 transitions. [2020-11-29 22:38:15,703 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2020-11-29 22:38:15,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 22:38:15,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 168 transitions. [2020-11-29 22:38:15,890 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 168 transitions. [2020-11-29 22:38:15,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 22:38:15,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:15,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:16,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:16,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 116 states and 198 transitions. [2020-11-29 22:38:16,893 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 198 transitions. [2020-11-29 22:38:16,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 22:38:16,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 119 states and 206 transitions. [2020-11-29 22:38:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 206 transitions. [2020-11-29 22:38:17,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 22:38:17,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:17,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:17,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:17,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 123 states and 212 transitions. [2020-11-29 22:38:17,419 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 212 transitions. [2020-11-29 22:38:17,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 22:38:17,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:17,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:17,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:17,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 126 states and 217 transitions. [2020-11-29 22:38:17,525 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 217 transitions. [2020-11-29 22:38:17,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 22:38:17,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:17,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:17,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 128 states and 219 transitions. [2020-11-29 22:38:17,613 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 219 transitions. [2020-11-29 22:38:17,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 22:38:17,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:38:17,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:17,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 134 states and 231 transitions. [2020-11-29 22:38:17,825 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 231 transitions. [2020-11-29 22:38:17,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 22:38:17,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:38:17,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:17,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 135 states and 232 transitions. [2020-11-29 22:38:17,870 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 232 transitions. [2020-11-29 22:38:17,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 22:38:17,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:18,265 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 22:38:19,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:19,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 142 states and 254 transitions. [2020-11-29 22:38:19,300 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 254 transitions. [2020-11-29 22:38:19,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 22:38:19,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:38:19,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:19,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 143 states and 257 transitions. [2020-11-29 22:38:19,548 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 257 transitions. [2020-11-29 22:38:19,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 22:38:19,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:19,576 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:38:20,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:20,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 146 states and 264 transitions. [2020-11-29 22:38:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2020-11-29 22:38:20,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 22:38:20,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:20,192 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 22:38:20,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:20,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 153 states and 276 transitions. [2020-11-29 22:38:20,532 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 276 transitions. [2020-11-29 22:38:20,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 22:38:20,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:20,594 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 22:38:20,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 154 states and 277 transitions. [2020-11-29 22:38:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 277 transitions. [2020-11-29 22:38:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 22:38:20,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:20,844 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:38:21,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:21,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 158 states and 286 transitions. [2020-11-29 22:38:21,061 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 286 transitions. [2020-11-29 22:38:21,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 22:38:21,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:38:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:21,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 162 states and 294 transitions. [2020-11-29 22:38:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 294 transitions. [2020-11-29 22:38:21,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 22:38:21,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:21,694 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:38:21,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 163 states and 294 transitions. [2020-11-29 22:38:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 294 transitions. [2020-11-29 22:38:21,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 22:38:21,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:38:24,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 179 states and 337 transitions. [2020-11-29 22:38:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 337 transitions. [2020-11-29 22:38:24,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 22:38:24,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 22:38:24,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:24,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 180 states and 338 transitions. [2020-11-29 22:38:24,538 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 338 transitions. [2020-11-29 22:38:24,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 22:38:24,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:24,572 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:38:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:24,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 187 states and 352 transitions. [2020-11-29 22:38:24,960 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 352 transitions. [2020-11-29 22:38:24,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 22:38:24,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:24,988 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:38:24,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:25,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 188 states and 355 transitions. [2020-11-29 22:38:25,001 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 355 transitions. [2020-11-29 22:38:25,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 22:38:25,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:25,045 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:38:26,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:26,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 196 states and 382 transitions. [2020-11-29 22:38:26,759 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 382 transitions. [2020-11-29 22:38:26,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 22:38:26,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:26,798 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:38:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:28,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 206 states and 399 transitions. [2020-11-29 22:38:28,149 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 399 transitions. [2020-11-29 22:38:28,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 22:38:28,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:28,213 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:38:28,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:28,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 207 states and 399 transitions. [2020-11-29 22:38:28,237 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 399 transitions. [2020-11-29 22:38:28,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 22:38:28,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:38:30,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:30,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 215 states and 417 transitions. [2020-11-29 22:38:30,099 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 417 transitions. [2020-11-29 22:38:30,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 22:38:30,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:30,129 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:38:30,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:30,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 217 states and 423 transitions. [2020-11-29 22:38:30,493 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 423 transitions. [2020-11-29 22:38:30,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 22:38:30,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:30,532 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:38:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:30,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 218 states and 424 transitions. [2020-11-29 22:38:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 424 transitions. [2020-11-29 22:38:30,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 22:38:30,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:30,596 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:38:30,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:30,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 219 states and 425 transitions. [2020-11-29 22:38:30,618 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 425 transitions. [2020-11-29 22:38:30,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 22:38:30,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:30,650 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:38:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:30,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 222 states and 429 transitions. [2020-11-29 22:38:30,835 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 429 transitions. [2020-11-29 22:38:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 22:38:30,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:30,866 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:38:31,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:31,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 225 states and 433 transitions. [2020-11-29 22:38:31,052 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 433 transitions. [2020-11-29 22:38:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 22:38:31,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:31,094 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 22:38:31,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:31,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 228 states and 429 transitions. [2020-11-29 22:38:31,828 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 429 transitions. [2020-11-29 22:38:31,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 22:38:31,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:31,875 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:38:32,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:32,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 229 states and 432 transitions. [2020-11-29 22:38:32,216 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 432 transitions. [2020-11-29 22:38:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 22:38:32,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:38:32,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:32,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 230 states and 433 transitions. [2020-11-29 22:38:32,296 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 433 transitions. [2020-11-29 22:38:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 22:38:32,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:32,328 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 22:38:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:32,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 235 states and 441 transitions. [2020-11-29 22:38:32,595 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 441 transitions. [2020-11-29 22:38:32,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 22:38:32,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 22:38:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:32,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 236 states and 442 transitions. [2020-11-29 22:38:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 442 transitions. [2020-11-29 22:38:32,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 22:38:32,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:32,747 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 22:38:32,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:32,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 241 states and 451 transitions. [2020-11-29 22:38:32,957 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 451 transitions. [2020-11-29 22:38:32,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 22:38:32,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:38:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:33,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 242 states and 451 transitions. [2020-11-29 22:38:33,000 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 451 transitions. [2020-11-29 22:38:33,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 22:38:33,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 22:38:33,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:33,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 243 states and 454 transitions. [2020-11-29 22:38:33,348 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 454 transitions. [2020-11-29 22:38:33,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 22:38:33,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 22:38:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:33,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 244 states and 455 transitions. [2020-11-29 22:38:33,419 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 455 transitions. [2020-11-29 22:38:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 22:38:33,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 22:38:33,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:33,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 246 states and 460 transitions. [2020-11-29 22:38:33,492 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 460 transitions. [2020-11-29 22:38:33,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 22:38:33,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:33,526 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:38:33,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:33,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 249 states and 464 transitions. [2020-11-29 22:38:33,722 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 464 transitions. [2020-11-29 22:38:33,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 22:38:33,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:33,754 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:38:33,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:33,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 250 states and 464 transitions. [2020-11-29 22:38:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 464 transitions. [2020-11-29 22:38:33,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 22:38:33,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 22:38:33,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:33,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 253 states and 467 transitions. [2020-11-29 22:38:33,828 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 467 transitions. [2020-11-29 22:38:33,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-29 22:38:33,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:33,864 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:38:33,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:33,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 254 states and 468 transitions. [2020-11-29 22:38:33,888 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 468 transitions. [2020-11-29 22:38:33,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-29 22:38:33,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:33,925 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-29 22:38:33,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:33,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 255 states and 469 transitions. [2020-11-29 22:38:33,959 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 469 transitions. [2020-11-29 22:38:33,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-29 22:38:33,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:34,017 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:38:34,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 257 states and 471 transitions. [2020-11-29 22:38:34,044 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 471 transitions. [2020-11-29 22:38:34,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 22:38:34,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:38:34,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:34,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 88 states and 120 transitions. [2020-11-29 22:38:34,117 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2020-11-29 22:38:34,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:38:34,118 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2020-11-29 22:38:34,125 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 22:38:34,448 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:38:34,451 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:38:34,451 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:38:34,451 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:38:34,460 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:38:34,460 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-29 22:38:34,464 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:38:34,464 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:38:34,464 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:38:34,464 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-29 22:38:34,465 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 22:38:34,466 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:38:34,466 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:38:34,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 10:38:34 ImpRootNode [2020-11-29 22:38:34,466 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 22:38:34,467 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:38:34,467 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:38:34,467 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:38:34,468 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:38:13" (3/4) ... [2020-11-29 22:38:34,473 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:38:34,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 22:38:34,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 22:38:34,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 22:38:34,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 22:38:34,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 22:38:34,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 22:38:34,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 22:38:34,496 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-29 22:38:34,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-29 22:38:34,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 22:38:34,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 22:38:34,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 22:38:34,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:38:34,503 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:38:34,525 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-11-29 22:38:34,526 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2020-11-29 22:38:34,583 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0762aa16-f9ad-48af-ad40-2cea6093405d/bin/ukojak/witness.graphml [2020-11-29 22:38:34,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:38:34,589 INFO L168 Benchmark]: Toolchain (without parser) took 23545.88 ms. Allocated memory was 81.8 MB in the beginning and 400.6 MB in the end (delta: 318.8 MB). Free memory was 47.3 MB in the beginning and 302.3 MB in the end (delta: -255.1 MB). Peak memory consumption was 62.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:34,590 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 64.8 MB in the beginning and 64.7 MB in the end (delta: 74.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:38:34,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.34 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 47.1 MB in the beginning and 70.0 MB in the end (delta: -22.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:34,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.44 ms. Allocated memory is still 104.9 MB. Free memory was 70.0 MB in the beginning and 67.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:34,592 INFO L168 Benchmark]: Boogie Preprocessor took 61.15 ms. Allocated memory is still 104.9 MB. Free memory was 67.6 MB in the beginning and 65.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:34,593 INFO L168 Benchmark]: RCFGBuilder took 1380.65 ms. Allocated memory is still 104.9 MB. Free memory was 65.5 MB in the beginning and 39.3 MB in the end (delta: 26.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:34,593 INFO L168 Benchmark]: CodeCheck took 21285.40 ms. Allocated memory was 104.9 MB in the beginning and 400.6 MB in the end (delta: 295.7 MB). Free memory was 39.3 MB in the beginning and 306.5 MB in the end (delta: -267.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:34,593 INFO L168 Benchmark]: Witness Printer took 120.68 ms. Allocated memory is still 400.6 MB. Free memory was 306.5 MB in the beginning and 302.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:34,599 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: 20.9s, OverallIterations: 56, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -379239392 SDtfs, 133482832 SDslu, -158753820 SDs, 0 SdLazy, -1211369760 SolverSat, 47110288 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25153 GetRequests, 24848 SyntacticMatches, 31 SemanticMatches, 274 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34125 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2389 NumberOfCodeBlocks, 2389 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2334 ConstructedInterpolants, 0 QuantifiedInterpolants, 209969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 46 PerfectInterpolantSequences, 903/943 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: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 64.8 MB in the beginning and 64.7 MB in the end (delta: 74.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 594.34 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 47.1 MB in the beginning and 70.0 MB in the end (delta: -22.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.44 ms. Allocated memory is still 104.9 MB. Free memory was 70.0 MB in the beginning and 67.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.15 ms. Allocated memory is still 104.9 MB. Free memory was 67.6 MB in the beginning and 65.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1380.65 ms. Allocated memory is still 104.9 MB. Free memory was 65.5 MB in the beginning and 39.3 MB in the end (delta: 26.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * CodeCheck took 21285.40 ms. Allocated memory was 104.9 MB in the beginning and 400.6 MB in the end (delta: 295.7 MB). Free memory was 39.3 MB in the beginning and 306.5 MB in the end (delta: -267.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. * Witness Printer took 120.68 ms. Allocated memory is still 400.6 MB. Free memory was 306.5 MB in the beginning and 302.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...