./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.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_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/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 40c2ba74d1f3e4aa3f4881cec0cfe2f78c41d8ce .................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:42:20,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:20,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:20,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:20,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:20,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:20,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:20,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:20,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:20,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:20,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:20,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:20,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:20,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:20,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:20,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:20,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:20,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:20,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:20,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:20,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:20,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:20,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:20,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:20,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:20,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:20,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:20,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:20,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:20,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:20,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:20,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:20,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:20,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:20,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:20,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:20,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:20,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:20,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:20,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:20,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:20,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:42:20,735 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:20,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:20,737 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:20,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:20,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:20,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:20,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:20,739 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:42:20,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:20,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:42:20,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:20,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:20,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:20,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:20,742 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:42:20,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:20,742 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:20,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:20,742 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:20,743 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:20,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:20,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:20,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:20,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:20,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:20,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:20,744 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:20,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:20,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:20,745 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_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c2ba74d1f3e4aa3f4881cec0cfe2f78c41d8ce [2020-11-28 04:42:21,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:21,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:21,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:21,098 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:21,099 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:21,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2020-11-28 04:42:21,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/bin/ukojak/data/58b7a04db/e4b8665b2a8a4535bf846ac5b90e23a2/FLAGe8d630d27 [2020-11-28 04:42:21,698 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:21,699 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2020-11-28 04:42:21,720 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/bin/ukojak/data/58b7a04db/e4b8665b2a8a4535bf846ac5b90e23a2/FLAGe8d630d27 [2020-11-28 04:42:22,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/bin/ukojak/data/58b7a04db/e4b8665b2a8a4535bf846ac5b90e23a2 [2020-11-28 04:42:22,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:22,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:22,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:22,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:22,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:22,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8ea2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22, skipping insertion in model container [2020-11-28 04:42:22,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:22,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:22,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:22,433 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:42:22,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:22,609 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:42:22,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22 WrapperNode [2020-11-28 04:42:22,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:22,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:22,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:42:22,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:42:22,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:22,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:42:22,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:42:22,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:42:22,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:42:22,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:42:22,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:42:22,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:42:22,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:42:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:42:22,817 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:42:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:42:22,818 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:42:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:42:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:42:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:42:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:42:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:42:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:42:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:42:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:42:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:42:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:42:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:42:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:42:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:42:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:42:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:42:24,493 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:42:24,494 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-28 04:42:24,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:24 BoogieIcfgContainer [2020-11-28 04:42:24,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:42:24,497 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:42:24,497 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:42:24,510 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:42:24,511 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:24" (1/1) ... [2020-11-28 04:42:24,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:42:24,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:24,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2020-11-28 04:42:24,581 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2020-11-28 04:42:24,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:42:24,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:24,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:24,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:24,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2020-11-28 04:42:24,876 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2020-11-28 04:42:24,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:42:24,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:25,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:25,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2020-11-28 04:42:25,044 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2020-11-28 04:42:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:42:25,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:25,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:25,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:25,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2020-11-28 04:42:25,477 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2020-11-28 04:42:25,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:42:25,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:25,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:25,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2020-11-28 04:42:25,575 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2020-11-28 04:42:25,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:42:25,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:25,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:25,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2020-11-28 04:42:25,654 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2020-11-28 04:42:25,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:42:25,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:25,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2020-11-28 04:42:26,336 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2020-11-28 04:42:26,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:42:26,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:26,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 88 states and 130 transitions. [2020-11-28 04:42:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions. [2020-11-28 04:42:26,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:42:26,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:26,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 98 states and 151 transitions. [2020-11-28 04:42:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2020-11-28 04:42:27,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:42:27,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:28,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 180 transitions. [2020-11-28 04:42:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 180 transitions. [2020-11-28 04:42:28,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:42:28,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:28,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 185 transitions. [2020-11-28 04:42:28,398 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 185 transitions. [2020-11-28 04:42:28,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:42:28,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:28,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 114 states and 186 transitions. [2020-11-28 04:42:28,491 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 186 transitions. [2020-11-28 04:42:28,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:42:28,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 112 states and 180 transitions. [2020-11-28 04:42:28,566 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2020-11-28 04:42:28,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:42:28,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:42:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 117 states and 189 transitions. [2020-11-28 04:42:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 189 transitions. [2020-11-28 04:42:28,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:42:28,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,769 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:42:28,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 118 states and 190 transitions. [2020-11-28 04:42:28,814 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 190 transitions. [2020-11-28 04:42:28,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:42:28,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:42:30,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:30,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 125 states and 211 transitions. [2020-11-28 04:42:30,491 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 211 transitions. [2020-11-28 04:42:30,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:42:30,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:42:30,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:30,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 128 states and 217 transitions. [2020-11-28 04:42:30,773 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 217 transitions. [2020-11-28 04:42:30,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:42:30,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:42:32,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:32,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 245 transitions. [2020-11-28 04:42:32,205 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 245 transitions. [2020-11-28 04:42:32,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:42:32,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:32,254 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:42:33,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:33,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 142 states and 260 transitions. [2020-11-28 04:42:33,200 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 260 transitions. [2020-11-28 04:42:33,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:42:33,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:33,240 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 04:42:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 154 states and 282 transitions. [2020-11-28 04:42:34,579 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 282 transitions. [2020-11-28 04:42:34,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:42:34,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 04:42:34,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 156 states and 289 transitions. [2020-11-28 04:42:34,934 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 289 transitions. [2020-11-28 04:42:34,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-28 04:42:34,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 04:42:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 157 states and 290 transitions. [2020-11-28 04:42:35,000 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 290 transitions. [2020-11-28 04:42:35,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-28 04:42:35,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-28 04:42:35,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 160 states and 295 transitions. [2020-11-28 04:42:35,084 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 295 transitions. [2020-11-28 04:42:35,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-28 04:42:35,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-28 04:42:35,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 161 states and 296 transitions. [2020-11-28 04:42:35,164 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 296 transitions. [2020-11-28 04:42:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-28 04:42:35,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,218 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-28 04:42:35,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 69 states and 85 transitions. [2020-11-28 04:42:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2020-11-28 04:42:35,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:42:35,247 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2020-11-28 04:42:35,254 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:42:35,546 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,550 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,551 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,551 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,551 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:42:35,558 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,558 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:42:35,560 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,561 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:42:35,562 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,563 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,563 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,563 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:42:35 ImpRootNode [2020-11-28 04:42:35,564 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:42:35,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:42:35,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:42:35,565 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:42:35,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:24" (3/4) ... [2020-11-28 04:42:35,575 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:42:35,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:42:35,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:42:35,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:42:35,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:42:35,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:42:35,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:42:35,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:42:35,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:42:35,600 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2020-11-28 04:42:35,601 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:42:35,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:42:35,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:42:35,603 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:42:35,605 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:42:35,606 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:42:35,642 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive) [2020-11-28 04:42:35,645 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-28 04:42:35,723 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b1a8a326-1ae7-4b93-a57b-6849a2a0f45d/bin/ukojak/witness.graphml [2020-11-28 04:42:35,723 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:42:35,725 INFO L168 Benchmark]: Toolchain (without parser) took 13695.97 ms. Allocated memory was 92.3 MB in the beginning and 234.9 MB in the end (delta: 142.6 MB). Free memory was 57.0 MB in the beginning and 95.9 MB in the end (delta: -38.9 MB). Peak memory consumption was 104.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:35,726 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory was 65.6 MB in the beginning and 65.5 MB in the end (delta: 28.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:35,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.13 ms. Allocated memory is still 92.3 MB. Free memory was 56.9 MB in the beginning and 58.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:35,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.44 ms. Allocated memory is still 92.3 MB. Free memory was 58.8 MB in the beginning and 56.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:35,727 INFO L168 Benchmark]: Boogie Preprocessor took 69.76 ms. Allocated memory is still 92.3 MB. Free memory was 56.2 MB in the beginning and 54.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:35,728 INFO L168 Benchmark]: RCFGBuilder took 1754.25 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.4 MB in the beginning and 52.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:35,728 INFO L168 Benchmark]: CodeCheck took 11066.70 ms. Allocated memory was 111.1 MB in the beginning and 234.9 MB in the end (delta: 123.7 MB). Free memory was 52.7 MB in the beginning and 101.2 MB in the end (delta: -48.4 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:35,729 INFO L168 Benchmark]: Witness Printer took 158.76 ms. Allocated memory is still 234.9 MB. Free memory was 101.2 MB in the beginning and 95.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:35,731 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, 59 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 379724324 SDtfs, 114342508 SDslu, 178092636 SDs, 0 SdLazy, 152389116 SolverSat, 43526228 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10073 GetRequests, 9896 SyntacticMatches, 9 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10776 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1019 NumberOfCodeBlocks, 1019 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 995 ConstructedInterpolants, 0 QuantifiedInterpolants, 93540 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 19 PerfectInterpolantSequences, 294/307 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory was 65.6 MB in the beginning and 65.5 MB in the end (delta: 28.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 580.13 ms. Allocated memory is still 92.3 MB. Free memory was 56.9 MB in the beginning and 58.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.44 ms. Allocated memory is still 92.3 MB. Free memory was 58.8 MB in the beginning and 56.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.76 ms. Allocated memory is still 92.3 MB. Free memory was 56.2 MB in the beginning and 54.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1754.25 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.4 MB in the beginning and 52.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * CodeCheck took 11066.70 ms. Allocated memory was 111.1 MB in the beginning and 234.9 MB in the end (delta: 123.7 MB). Free memory was 52.7 MB in the beginning and 101.2 MB in the end (delta: -48.4 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.1 GB. * Witness Printer took 158.76 ms. Allocated memory is still 234.9 MB. Free memory was 101.2 MB in the beginning and 95.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...