./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/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 a285a3ca3b1510caf096d0e38f1e6e56ffc456f4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:02:57,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:02:57,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:02:57,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:02:57,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:02:57,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:02:57,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:02:57,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:02:57,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:02:57,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:02:57,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:02:57,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:02:57,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:02:57,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:02:57,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:02:57,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:02:57,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:02:57,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:02:57,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:02:57,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:02:57,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:02:57,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:02:57,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:02:57,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:02:57,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:02:57,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:02:57,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:02:57,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:02:57,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:02:57,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:02:57,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:02:57,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:02:57,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:02:57,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:02:57,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:02:57,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:02:57,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:02:57,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:02:57,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:02:57,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:02:57,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:02:57,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:02:57,461 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:02:57,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:02:57,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:02:57,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:02:57,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:02:57,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:02:57,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:02:57,467 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:02:57,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:02:57,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:02:57,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:02:57,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:02:57,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:02:57,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:02:57,468 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:02:57,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:02:57,469 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:02:57,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:02:57,469 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:02:57,470 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:02:57,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:02:57,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:02:57,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:02:57,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:02:57,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:02:57,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:02:57,472 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:02:57,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:02:57,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:02:57,472 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_efec7bd9-36bc-4f4f-8821-622705c3e25e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a285a3ca3b1510caf096d0e38f1e6e56ffc456f4 [2020-12-01 18:02:57,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:02:57,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:02:57,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:02:57,851 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:02:57,853 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:02:57,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2020-12-01 18:02:57,994 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/bin/ukojak/data/ec69ac993/d24a6acee99d41b7832b07f00fabc29a/FLAGdd753ba33 [2020-12-01 18:02:58,733 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:02:58,734 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2020-12-01 18:02:58,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/bin/ukojak/data/ec69ac993/d24a6acee99d41b7832b07f00fabc29a/FLAGdd753ba33 [2020-12-01 18:02:59,000 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/bin/ukojak/data/ec69ac993/d24a6acee99d41b7832b07f00fabc29a [2020-12-01 18:02:59,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:02:59,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:02:59,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:02:59,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:02:59,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:02:59,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:02:59" (1/1) ... [2020-12-01 18:02:59,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58986b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:59, skipping insertion in model container [2020-12-01 18:02:59,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:02:59" (1/1) ... [2020-12-01 18:02:59,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:02:59,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:02:59,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:02:59,501 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:02:59,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:02:59,696 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:02:59,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:59 WrapperNode [2020-12-01 18:02:59,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:02:59,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:02:59,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:02:59,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:02:59,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:59" (1/1) ... [2020-12-01 18:02:59,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:59" (1/1) ... [2020-12-01 18:02:59,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:02:59,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:02:59,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:02:59,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:02:59,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:59" (1/1) ... [2020-12-01 18:02:59,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:59" (1/1) ... [2020-12-01 18:02:59,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:59" (1/1) ... [2020-12-01 18:02:59,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:59" (1/1) ... [2020-12-01 18:02:59,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:59" (1/1) ... [2020-12-01 18:02:59,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:59" (1/1) ... [2020-12-01 18:02:59,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:59" (1/1) ... [2020-12-01 18:02:59,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:02:59,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:02:59,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:02:59,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:02:59,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/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 [2020-12-01 18:02:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:02:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 18:02:59,929 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 18:02:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 18:02:59,930 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 18:02:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 18:02:59,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 18:02:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 18:02:59,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 18:02:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 18:02:59,931 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 18:02:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:02:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 18:02:59,931 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 18:02:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:02:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:03:01,682 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:03:01,683 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-12-01 18:03:01,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:03:01 BoogieIcfgContainer [2020-12-01 18:03:01,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:03:01,689 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:03:01,690 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:03:01,704 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:03:01,704 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:03:01" (1/1) ... [2020-12-01 18:03:01,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:03:01,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:01,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2020-12-01 18:03:01,788 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2020-12-01 18:03:01,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:03:01,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:03:02,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:02,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-12-01 18:03:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-12-01 18:03:02,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:03:02,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:02,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:03:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:02,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2020-12-01 18:03:02,428 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2020-12-01 18:03:02,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:03:02,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:03:03,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2020-12-01 18:03:03,040 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2020-12-01 18:03:03,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:03:03,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:03:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:03,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2020-12-01 18:03:03,196 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-12-01 18:03:03,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:03:03,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:03:03,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:03,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 81 states and 127 transitions. [2020-12-01 18:03:03,965 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2020-12-01 18:03:03,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:03:03,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:03:04,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:04,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 82 states and 128 transitions. [2020-12-01 18:03:04,133 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 128 transitions. [2020-12-01 18:03:04,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:03:04,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:04,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:03:05,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 93 states and 154 transitions. [2020-12-01 18:03:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 154 transitions. [2020-12-01 18:03:05,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:03:05,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:05,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:03:05,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:05,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 96 states and 160 transitions. [2020-12-01 18:03:05,620 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 160 transitions. [2020-12-01 18:03:05,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:03:05,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:03:05,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 172 transitions. [2020-12-01 18:03:05,951 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2020-12-01 18:03:05,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:03:05,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:06,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:03:06,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:06,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 101 states and 173 transitions. [2020-12-01 18:03:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 173 transitions. [2020-12-01 18:03:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:03:06,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:06,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:03:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:06,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 104 states and 177 transitions. [2020-12-01 18:03:06,321 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 177 transitions. [2020-12-01 18:03:06,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:03:06,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:06,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:03:06,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:06,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 106 states and 180 transitions. [2020-12-01 18:03:06,404 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 180 transitions. [2020-12-01 18:03:06,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:03:06,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:03:06,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:06,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 108 states and 182 transitions. [2020-12-01 18:03:06,500 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 182 transitions. [2020-12-01 18:03:06,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:03:06,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:06,559 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:03:07,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:07,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 113 states and 194 transitions. [2020-12-01 18:03:07,044 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 194 transitions. [2020-12-01 18:03:07,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:03:07,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:03:07,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:07,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 114 states and 195 transitions. [2020-12-01 18:03:07,162 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 195 transitions. [2020-12-01 18:03:07,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:03:07,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:07,508 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:03:08,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:08,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 117 states and 203 transitions. [2020-12-01 18:03:08,330 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 203 transitions. [2020-12-01 18:03:08,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 18:03:08,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:08,397 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:03:08,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:08,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 120 states and 210 transitions. [2020-12-01 18:03:08,893 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 210 transitions. [2020-12-01 18:03:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:03:08,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:08,964 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:03:09,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:09,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 122 states and 212 transitions. [2020-12-01 18:03:09,105 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 212 transitions. [2020-12-01 18:03:09,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 18:03:09,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:03:09,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:09,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 124 states and 215 transitions. [2020-12-01 18:03:09,222 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 215 transitions. [2020-12-01 18:03:09,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:03:09,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:03:09,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:09,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 131 states and 231 transitions. [2020-12-01 18:03:09,598 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 231 transitions. [2020-12-01 18:03:09,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:03:09,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:03:09,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:09,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 133 states and 231 transitions. [2020-12-01 18:03:09,820 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 231 transitions. [2020-12-01 18:03:09,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:03:09,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:03:14,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:14,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 149 states and 270 transitions. [2020-12-01 18:03:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 270 transitions. [2020-12-01 18:03:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:03:14,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:14,876 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:03:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 150 states and 271 transitions. [2020-12-01 18:03:14,899 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 271 transitions. [2020-12-01 18:03:14,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:03:14,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:15,129 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:03:16,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:16,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 155 states and 279 transitions. [2020-12-01 18:03:16,764 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 279 transitions. [2020-12-01 18:03:16,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:03:16,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:16,815 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:03:17,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:17,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 157 states and 282 transitions. [2020-12-01 18:03:17,558 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 282 transitions. [2020-12-01 18:03:17,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 18:03:17,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:18,456 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:03:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:25,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 177 states and 327 transitions. [2020-12-01 18:03:25,656 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 327 transitions. [2020-12-01 18:03:25,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:03:25,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:03:26,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:26,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 177 states and 326 transitions. [2020-12-01 18:03:26,739 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 326 transitions. [2020-12-01 18:03:26,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 18:03:26,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 18:03:28,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 177 states and 323 transitions. [2020-12-01 18:03:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 323 transitions. [2020-12-01 18:03:28,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 18:03:28,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:03:30,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:30,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 177 states and 320 transitions. [2020-12-01 18:03:30,881 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 320 transitions. [2020-12-01 18:03:30,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 18:03:30,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:30,925 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 18:03:31,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:31,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 181 states and 330 transitions. [2020-12-01 18:03:31,702 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 330 transitions. [2020-12-01 18:03:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 18:03:31,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:31,790 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 18:03:31,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:31,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 182 states and 331 transitions. [2020-12-01 18:03:31,816 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 331 transitions. [2020-12-01 18:03:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 18:03:31,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 18:03:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 183 states and 334 transitions. [2020-12-01 18:03:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 334 transitions. [2020-12-01 18:03:32,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 18:03:32,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 18:03:33,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 184 states and 336 transitions. [2020-12-01 18:03:33,045 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 336 transitions. [2020-12-01 18:03:33,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 18:03:33,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:33,090 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 18:03:33,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 185 states and 337 transitions. [2020-12-01 18:03:33,652 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 337 transitions. [2020-12-01 18:03:33,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 18:03:33,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 18:03:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 188 states and 342 transitions. [2020-12-01 18:03:34,066 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 342 transitions. [2020-12-01 18:03:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 18:03:34,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:34,116 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 18:03:34,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:34,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 189 states and 343 transitions. [2020-12-01 18:03:34,159 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 343 transitions. [2020-12-01 18:03:34,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 18:03:34,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:35,527 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:03:39,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:39,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 197 states and 370 transitions. [2020-12-01 18:03:39,292 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 370 transitions. [2020-12-01 18:03:39,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 18:03:39,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 18:03:39,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:39,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 198 states and 371 transitions. [2020-12-01 18:03:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 371 transitions. [2020-12-01 18:03:39,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 18:03:39,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:39,912 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:03:43,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:43,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 211 states and 404 transitions. [2020-12-01 18:03:43,792 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 404 transitions. [2020-12-01 18:03:43,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 18:03:43,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:03:46,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:46,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 220 states and 427 transitions. [2020-12-01 18:03:46,369 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 427 transitions. [2020-12-01 18:03:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 18:03:46,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:03:48,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:48,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 225 states and 433 transitions. [2020-12-01 18:03:48,467 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 433 transitions. [2020-12-01 18:03:48,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 18:03:48,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:03:53,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:53,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 237 states and 460 transitions. [2020-12-01 18:03:53,851 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 460 transitions. [2020-12-01 18:03:53,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 18:03:53,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:03:55,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 237 states and 456 transitions. [2020-12-01 18:03:55,505 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 456 transitions. [2020-12-01 18:03:55,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:03:55,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:55,572 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:04:01,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:01,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 250 states and 488 transitions. [2020-12-01 18:04:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 488 transitions. [2020-12-01 18:04:01,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 18:04:01,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:04:01,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:02,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 251 states and 491 transitions. [2020-12-01 18:04:02,000 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 491 transitions. [2020-12-01 18:04:02,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 18:04:02,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:04:02,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:02,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 252 states and 492 transitions. [2020-12-01 18:04:02,228 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 492 transitions. [2020-12-01 18:04:02,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 18:04:02,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:02,284 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:04:02,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:02,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 255 states and 499 transitions. [2020-12-01 18:04:02,900 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 499 transitions. [2020-12-01 18:04:02,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 18:04:02,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:02,997 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:04:09,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:10,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 251 states and 494 transitions. [2020-12-01 18:04:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 494 transitions. [2020-12-01 18:04:10,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 18:04:10,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:10,054 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-01 18:04:10,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:10,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 252 states and 495 transitions. [2020-12-01 18:04:10,596 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 495 transitions. [2020-12-01 18:04:10,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:04:10,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 38 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:04:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:16,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 255 states and 496 transitions. [2020-12-01 18:04:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 496 transitions. [2020-12-01 18:04:16,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 18:04:16,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 30 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 18:04:20,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:20,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 257 states and 502 transitions. [2020-12-01 18:04:20,232 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 502 transitions. [2020-12-01 18:04:20,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 18:04:20,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:04:31,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:31,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 268 states and 525 transitions. [2020-12-01 18:04:31,079 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 525 transitions. [2020-12-01 18:04:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 18:04:31,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:04:33,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:33,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 264 states and 509 transitions. [2020-12-01 18:04:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 509 transitions. [2020-12-01 18:04:33,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 18:04:33,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 37 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:04:33,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:33,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 265 states and 510 transitions. [2020-12-01 18:04:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 510 transitions. [2020-12-01 18:04:33,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 18:04:33,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:04:38,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:38,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 282 states and 535 transitions. [2020-12-01 18:04:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 535 transitions. [2020-12-01 18:04:38,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 18:04:38,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:38,677 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:04:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:43,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 281 states and 530 transitions. [2020-12-01 18:04:43,917 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 530 transitions. [2020-12-01 18:04:43,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 18:04:43,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:44,039 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:04:46,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:46,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 281 states and 529 transitions. [2020-12-01 18:04:46,613 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 529 transitions. [2020-12-01 18:04:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 18:04:46,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-12-01 18:04:46,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 282 states and 530 transitions. [2020-12-01 18:04:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 530 transitions. [2020-12-01 18:04:46,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 18:04:46,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:04:46,859 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:04:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:04:46,959 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:04:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:04:47,400 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:04:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:04:47,551 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:04:52,507 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 59 iterations. [2020-12-01 18:04:52,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:04:52 ImpRootNode [2020-12-01 18:04:52,779 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:04:52,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:04:52,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:04:52,781 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:04:52,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:03:01" (3/4) ... [2020-12-01 18:04:52,784 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:04:53,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_efec7bd9-36bc-4f4f-8821-622705c3e25e/bin/ukojak/witness.graphml [2020-12-01 18:04:53,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:04:53,034 INFO L168 Benchmark]: Toolchain (without parser) took 114027.72 ms. Allocated memory was 94.4 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 62.8 MB in the beginning and 1.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 153.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:53,034 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory was 53.8 MB in the beginning and 53.7 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:04:53,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.30 ms. Allocated memory is still 94.4 MB. Free memory was 62.6 MB in the beginning and 60.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:53,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.63 ms. Allocated memory is still 94.4 MB. Free memory was 60.2 MB in the beginning and 57.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:53,036 INFO L168 Benchmark]: Boogie Preprocessor took 41.01 ms. Allocated memory is still 94.4 MB. Free memory was 57.7 MB in the beginning and 56.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:53,037 INFO L168 Benchmark]: RCFGBuilder took 1843.50 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 55.6 MB in the beginning and 81.5 MB in the end (delta: -25.9 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:53,037 INFO L168 Benchmark]: CodeCheck took 111090.04 ms. Allocated memory was 115.3 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 81.5 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 125.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:53,038 INFO L168 Benchmark]: Witness Printer took 252.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 29.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:53,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 110.7s, OverallIterations: 59, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 580384644 SDtfs, 1153017792 SDslu, 600625492 SDs, 0 SdLazy, 1485870288 SolverSat, 1043632476 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 89.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34589 GetRequests, 33675 SyntacticMatches, 187 SemanticMatches, 727 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265372 ImplicationChecksByTransitivity, 93.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 2948 NumberOfCodeBlocks, 2948 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 2814 ConstructedInterpolants, 0 QuantifiedInterpolants, 427610 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 58 InterpolantComputations, 31 PerfectInterpolantSequences, 1420/1603 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 - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L312] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L509] int cleanupTimeShifts = 4; [L650] int methAndRunningLastTime ; [L759] int pumpRunning = 0; [L760] int systemActive = 1; [L590] int retValue_acc ; [L591] int tmp ; [L639] int retValue_acc ; [L642] retValue_acc = 1 [L643] return (retValue_acc); [L597] tmp = valid_product() [L599] COND TRUE \read(tmp) [L655] methAndRunningLastTime = 0 [L691] int splverifierCounter ; [L692] int tmp ; [L693] int tmp___0 ; [L694] int tmp___1 ; [L695] int tmp___2 ; [L698] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L700] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L702] COND TRUE splverifierCounter < 4 [L708] tmp = __VERIFIER_nondet_int() [L710] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L712] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L712] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L745] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L773] COND TRUE \read(systemActive) [L795] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L798] COND TRUE ! pumpRunning [L910] int retValue_acc ; [L911] int tmp ; [L912] int tmp___0 ; [L129] int retValue_acc ; [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); [L916] tmp = isHighWaterSensorDry() [L918] COND FALSE !(\read(tmp)) [L921] tmp___0 = 1 [L923] retValue_acc = tmp___0 [L924] return (retValue_acc); [L800] tmp = isHighWaterLevel() [L802] COND TRUE \read(tmp) [L829] int tmp ; [L854] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L858] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] retValue_acc = isMethaneLevelCritical() [L860] return (retValue_acc); [L833] tmp = isMethaneAlarm() [L835] COND FALSE !(\read(tmp)) [L823] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L660] int tmp ; [L661] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L665] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L665] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L665] tmp = isMethaneLevelCritical() [L667] COND FALSE !(\read(tmp)) [L683] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L745] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L700] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L702] COND TRUE splverifierCounter < 4 [L708] tmp = __VERIFIER_nondet_int() [L710] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L722] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L79] COND FALSE !(\read(methaneLevelCritical)) [L82] methaneLevelCritical = 1 [L722] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L745] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L766] COND TRUE \read(pumpRunning) [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L773] COND TRUE \read(systemActive) [L795] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L798] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L813] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L660] int tmp ; [L661] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L665] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L665] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L665] tmp = isMethaneLevelCritical() [L667] COND TRUE \read(tmp) [L865] int retValue_acc ; [L868] retValue_acc = pumpRunning [L869] return (retValue_acc); [L669] tmp___0 = isPumpRunning() [L671] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L672] COND FALSE !(\read(methAndRunningLastTime)) [L677] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L745] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L700] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L702] COND TRUE splverifierCounter < 4 [L708] tmp = __VERIFIER_nondet_int() [L710] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND FALSE !(\read(tmp___2)) [L734] tmp___1 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L745] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L766] COND TRUE \read(pumpRunning) [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L773] COND TRUE \read(systemActive) [L795] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L798] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L813] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L660] int tmp ; [L661] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L665] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L665] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L665] tmp = isMethaneLevelCritical() [L667] COND TRUE \read(tmp) [L865] int retValue_acc ; [L868] retValue_acc = pumpRunning [L869] return (retValue_acc); [L669] tmp___0 = isPumpRunning() [L671] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L672] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec2_product43.cil.c", 3, "reach_error") VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory was 53.8 MB in the beginning and 53.7 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 690.30 ms. Allocated memory is still 94.4 MB. Free memory was 62.6 MB in the beginning and 60.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.63 ms. Allocated memory is still 94.4 MB. Free memory was 60.2 MB in the beginning and 57.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.01 ms. Allocated memory is still 94.4 MB. Free memory was 57.7 MB in the beginning and 56.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1843.50 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 55.6 MB in the beginning and 81.5 MB in the end (delta: -25.9 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. * CodeCheck took 111090.04 ms. Allocated memory was 115.3 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 81.5 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 125.4 MB. Max. memory is 16.1 GB. * Witness Printer took 252.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 29.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...