./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product52.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_7493aa7a-ba8d-4aea-a0df-534be3972c0e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7493aa7a-ba8d-4aea-a0df-534be3972c0e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7493aa7a-ba8d-4aea-a0df-534be3972c0e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7493aa7a-ba8d-4aea-a0df-534be3972c0e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7493aa7a-ba8d-4aea-a0df-534be3972c0e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7493aa7a-ba8d-4aea-a0df-534be3972c0e/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 bde924d16b17f34a4892c0a089b602f0bd3cd51c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-a4ecdab [2020-11-29 19:31:29,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:31:29,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:31:29,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:31:29,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:31:29,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:31:29,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:31:29,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:31:29,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:31:29,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:31:29,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:31:29,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:31:29,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:31:29,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:31:29,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:31:29,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:31:29,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:31:29,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:31:29,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:31:29,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:31:29,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:31:29,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:31:29,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:31:29,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:31:29,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:31:29,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:31:29,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:31:29,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:31:29,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:31:29,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:31:29,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:31:29,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:31:29,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:31:29,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:31:29,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:31:29,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:31:29,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:31:29,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:31:29,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:31:29,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:31:29,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:31:29,575 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7493aa7a-ba8d-4aea-a0df-534be3972c0e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 19:31:29,608 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:31:29,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:31:29,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 19:31:29,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 19:31:29,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:31:29,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:31:29,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:31:29,613 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:31:29,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:31:29,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:31:29,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:31:29,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:31:29,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:31:29,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:31:29,615 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:31:29,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:31:29,616 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:31:29,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:31:29,617 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 19:31:29,617 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 19:31:29,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:31:29,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:31:29,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:31:29,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:31:29,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:31:29,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:31:29,619 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 19:31:29,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:31:29,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:31:29,620 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_7493aa7a-ba8d-4aea-a0df-534be3972c0e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7493aa7a-ba8d-4aea-a0df-534be3972c0e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde924d16b17f34a4892c0a089b602f0bd3cd51c [2020-11-29 19:31:29,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:31:30,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:31:30,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:31:30,054 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:31:30,057 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:31:30,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7493aa7a-ba8d-4aea-a0df-534be3972c0e/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c [2020-11-29 19:31:30,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7493aa7a-ba8d-4aea-a0df-534be3972c0e/bin/ukojak/data/1dc57501c/f06794a326ab48598e8b4068bc7460de/FLAG10dc0a03a [2020-11-29 19:31:30,960 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:31:30,961 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7493aa7a-ba8d-4aea-a0df-534be3972c0e/sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c [2020-11-29 19:31:30,992 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7493aa7a-ba8d-4aea-a0df-534be3972c0e/bin/ukojak/data/1dc57501c/f06794a326ab48598e8b4068bc7460de/FLAG10dc0a03a [2020-11-29 19:31:31,234 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7493aa7a-ba8d-4aea-a0df-534be3972c0e/bin/ukojak/data/1dc57501c/f06794a326ab48598e8b4068bc7460de [2020-11-29 19:31:31,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:31:31,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:31:31,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:31:31,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:31:31,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:31:31,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:31:31" (1/1) ... [2020-11-29 19:31:31,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e63808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:31:31, skipping insertion in model container [2020-11-29 19:31:31,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:31:31" (1/1) ... [2020-11-29 19:31:31,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:31:31,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:31:31,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:31:31,813 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:31:31,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:31:32,016 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:31:32,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:31:32 WrapperNode [2020-11-29 19:31:32,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:31:32,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:31:32,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:31:32,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:31:32,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:31:32" (1/1) ... [2020-11-29 19:31:32,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:31:32" (1/1) ... [2020-11-29 19:31:32,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:31:32,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:31:32,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:31:32,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:31:32,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:31:32" (1/1) ... [2020-11-29 19:31:32,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:31:32" (1/1) ... [2020-11-29 19:31:32,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:31:32" (1/1) ... [2020-11-29 19:31:32,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:31:32" (1/1) ... [2020-11-29 19:31:32,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:31:32" (1/1) ... [2020-11-29 19:31:32,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:31:32" (1/1) ... [2020-11-29 19:31:32,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:31:32" (1/1) ... [2020-11-29 19:31:32,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:31:32,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:31:32,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:31:32,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:31:32,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:31:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7493aa7a-ba8d-4aea-a0df-534be3972c0e/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 19:31:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:31:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 19:31:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 19:31:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 19:31:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 19:31:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 19:31:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 19:31:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 19:31:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 19:31:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-29 19:31:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-29 19:31:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 19:31:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 19:31:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 19:31:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 19:31:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:31:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 19:31:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 19:31:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:31:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:31:33,943 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:31:33,943 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-11-29 19:31:33,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:31:33 BoogieIcfgContainer [2020-11-29 19:31:33,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:31:33,949 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 19:31:33,950 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 19:31:33,963 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 19:31:33,963 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:31:33" (1/1) ... [2020-11-29 19:31:33,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:31:34,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2020-11-29 19:31:34,045 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2020-11-29 19:31:34,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:31:34,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:34,419 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 19:31:34,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:34,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2020-11-29 19:31:34,444 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2020-11-29 19:31:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:31:34,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:34,651 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 19:31:34,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:34,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2020-11-29 19:31:34,686 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2020-11-29 19:31:34,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 19:31:34,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:34,899 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 19:31:34,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:34,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 91 transitions. [2020-11-29 19:31:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2020-11-29 19:31:34,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 19:31:34,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:35,119 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 19:31:35,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:35,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2020-11-29 19:31:35,349 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2020-11-29 19:31:35,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:31:35,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:35,474 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 19:31:35,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:35,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2020-11-29 19:31:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-11-29 19:31:35,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 19:31:35,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:35,649 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 19:31:36,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:36,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2020-11-29 19:31:36,074 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2020-11-29 19:31:36,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 19:31:36,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:36,256 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 19:31:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2020-11-29 19:31:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2020-11-29 19:31:37,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 19:31:37,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:37,268 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 19:31:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:37,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 106 states and 179 transitions. [2020-11-29 19:31:37,568 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 179 transitions. [2020-11-29 19:31:37,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:31:37,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:37,630 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 19:31:37,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:37,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 107 states and 180 transitions. [2020-11-29 19:31:37,668 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions. [2020-11-29 19:31:37,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 19:31:37,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:38,159 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 19:31:39,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:39,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 121 states and 220 transitions. [2020-11-29 19:31:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 220 transitions. [2020-11-29 19:31:39,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 19:31:39,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:39,726 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 19:31:40,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:40,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 133 states and 243 transitions. [2020-11-29 19:31:40,903 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 243 transitions. [2020-11-29 19:31:40,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 19:31:40,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:40,963 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 19:31:41,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:41,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 135 states and 245 transitions. [2020-11-29 19:31:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 245 transitions. [2020-11-29 19:31:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:31:41,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:41,358 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 19:31:41,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:41,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 138 states and 252 transitions. [2020-11-29 19:31:41,670 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 252 transitions. [2020-11-29 19:31:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 19:31:41,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:41,728 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 19:31:41,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:41,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 139 states and 253 transitions. [2020-11-29 19:31:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 253 transitions. [2020-11-29 19:31:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 19:31:41,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:41,859 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 19:31:41,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:41,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 140 states and 254 transitions. [2020-11-29 19:31:41,913 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 254 transitions. [2020-11-29 19:31:41,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 19:31:41,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:42,193 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 19:31:42,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:42,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 142 states and 260 transitions. [2020-11-29 19:31:42,924 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 260 transitions. [2020-11-29 19:31:42,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 19:31:42,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:43,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:31:43,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:43,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 143 states and 263 transitions. [2020-11-29 19:31:43,088 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 263 transitions. [2020-11-29 19:31:43,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 19:31:43,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:43,160 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 19:31:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:43,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 145 states and 266 transitions. [2020-11-29 19:31:43,519 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 266 transitions. [2020-11-29 19:31:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 19:31:43,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:43,617 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 19:31:44,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:44,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 147 states and 271 transitions. [2020-11-29 19:31:44,225 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 271 transitions. [2020-11-29 19:31:44,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 19:31:44,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:44,270 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 19:31:44,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:44,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 152 states and 281 transitions. [2020-11-29 19:31:44,693 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 281 transitions. [2020-11-29 19:31:44,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:31:44,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:44,752 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 19:31:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 152 states and 279 transitions. [2020-11-29 19:31:45,611 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 279 transitions. [2020-11-29 19:31:45,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 19:31:45,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:45,695 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 19:31:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:46,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 158 states and 290 transitions. [2020-11-29 19:31:46,162 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 290 transitions. [2020-11-29 19:31:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 19:31:46,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:46,219 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 19:31:46,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:31:46,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 159 states and 291 transitions. [2020-11-29 19:31:46,279 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 291 transitions. [2020-11-29 19:31:46,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:31:46,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:31:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:31:46,383 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:31:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:31:46,484 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:31:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:31:46,850 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:31:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:31:47,100 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:31:47,261 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 24 iterations. [2020-11-29 19:31:47,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 07:31:47 ImpRootNode [2020-11-29 19:31:47,540 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 19:31:47,541 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:31:47,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:31:47,541 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:31:47,542 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:31:33" (3/4) ... [2020-11-29 19:31:47,544 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 19:31:47,741 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7493aa7a-ba8d-4aea-a0df-534be3972c0e/bin/ukojak/witness.graphml [2020-11-29 19:31:47,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:31:47,748 INFO L168 Benchmark]: Toolchain (without parser) took 16503.46 ms. Allocated memory was 86.0 MB in the beginning and 213.9 MB in the end (delta: 127.9 MB). Free memory was 51.1 MB in the beginning and 150.4 MB in the end (delta: -99.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:31:47,748 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory was 56.0 MB in the beginning and 55.9 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:31:47,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.96 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 50.9 MB in the beginning and 85.2 MB in the end (delta: -34.3 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:31:47,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.62 ms. Allocated memory is still 119.5 MB. Free memory was 85.2 MB in the beginning and 82.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:31:47,750 INFO L168 Benchmark]: Boogie Preprocessor took 97.61 ms. Allocated memory is still 119.5 MB. Free memory was 82.5 MB in the beginning and 80.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:31:47,750 INFO L168 Benchmark]: RCFGBuilder took 1739.75 ms. Allocated memory is still 119.5 MB. Free memory was 80.4 MB in the beginning and 85.6 MB in the end (delta: -5.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:31:47,751 INFO L168 Benchmark]: CodeCheck took 13591.11 ms. Allocated memory was 119.5 MB in the beginning and 213.9 MB in the end (delta: 94.4 MB). Free memory was 84.8 MB in the beginning and 164.1 MB in the end (delta: -79.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:31:47,752 INFO L168 Benchmark]: Witness Printer took 200.74 ms. Allocated memory is still 213.9 MB. Free memory was 164.1 MB in the beginning and 150.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:31:47,755 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 9 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.2s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184848664 SDtfs, 45928388 SDslu, 83203176 SDs, 0 SdLazy, 68175060 SolverSat, 21999924 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5893 GetRequests, 5723 SyntacticMatches, 34 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7314 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 645 NumberOfCodeBlocks, 645 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 42478 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 0/0 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: [L50] int waterLevel = 1; [L51] int methaneLevelCritical = 0; [L160] int pumpRunning = 0; [L161] int systemActive = 1; [L460] int cleanupTimeShifts = 4; [L754] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L536] int retValue_acc ; [L537] int tmp ; [L977] int retValue_acc ; [L980] retValue_acc = 1 [L981] return (retValue_acc); [L543] tmp = valid_product() [L545] COND TRUE \read(tmp) [L392] int splverifierCounter ; [L393] int tmp ; [L394] int tmp___0 ; [L395] int tmp___1 ; [L396] int tmp___2 ; [L399] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L403] COND TRUE splverifierCounter < 4 [L409] tmp = __VERIFIER_nondet_int() [L411] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L413] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L68] COND TRUE waterLevel < 2 [L69] waterLevel = waterLevel + 1 [L413] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L419] tmp___0 = __VERIFIER_nondet_int() [L421] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L423] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L80] COND FALSE !(\read(methaneLevelCritical)) [L83] methaneLevelCritical = 1 [L423] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L429] tmp___2 = __VERIFIER_nondet_int() [L431] COND TRUE \read(tmp___2) [L376] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L448] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L168] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L175] COND TRUE \read(systemActive) [L223] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L226] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L241] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L197] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L200] COND TRUE ! pumpRunning [L320] int retValue_acc ; [L321] int tmp ; [L322] int tmp___0 ; [L130] int retValue_acc ; [L133] COND FALSE !(waterLevel < 2) [L137] retValue_acc = 0 [L138] return (retValue_acc); [L326] tmp = isHighWaterSensorDry() [L328] COND FALSE !(\read(tmp)) [L331] tmp___0 = 1 [L333] retValue_acc = tmp___0 [L334] return (retValue_acc); [L202] tmp = isHighWaterLevel() [L204] COND TRUE \read(tmp) [L251] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L241] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L560] int tmp ; [L561] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L565] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L89] int retValue_acc ; [L92] retValue_acc = methaneLevelCritical [L93] return (retValue_acc); [L565] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L565] tmp = isMethaneLevelCritical() [L567] COND TRUE \read(tmp) [L275] int retValue_acc ; [L278] retValue_acc = pumpRunning [L279] return (retValue_acc); [L569] tmp___0 = isPumpRunning() [L571] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec1_product52.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory was 56.0 MB in the beginning and 55.9 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 775.96 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 50.9 MB in the beginning and 85.2 MB in the end (delta: -34.3 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.62 ms. Allocated memory is still 119.5 MB. Free memory was 85.2 MB in the beginning and 82.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.61 ms. Allocated memory is still 119.5 MB. Free memory was 82.5 MB in the beginning and 80.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1739.75 ms. Allocated memory is still 119.5 MB. Free memory was 80.4 MB in the beginning and 85.6 MB in the end (delta: -5.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. * CodeCheck took 13591.11 ms. Allocated memory was 119.5 MB in the beginning and 213.9 MB in the end (delta: 94.4 MB). Free memory was 84.8 MB in the beginning and 164.1 MB in the end (delta: -79.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Witness Printer took 200.74 ms. Allocated memory is still 213.9 MB. Free memory was 164.1 MB in the beginning and 150.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...