./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_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_7d769e17-3158-4f31-87d0-d176b94eb702/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7d769e17-3158-4f31-87d0-d176b94eb702/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7d769e17-3158-4f31-87d0-d176b94eb702/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7d769e17-3158-4f31-87d0-d176b94eb702/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7d769e17-3158-4f31-87d0-d176b94eb702/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7d769e17-3158-4f31-87d0-d176b94eb702/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 f7c7db9989bf214b2258caa5c05380b7759170fd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:32:14,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:32:14,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:32:14,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:32:14,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:32:14,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:32:14,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:32:14,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:32:14,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:32:14,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:32:14,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:32:14,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:32:14,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:32:14,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:32:14,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:32:14,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:32:14,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:32:14,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:32:14,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:32:14,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:32:14,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:32:14,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:32:14,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:32:14,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:32:14,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:32:14,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:32:14,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:32:14,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:32:14,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:32:14,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:32:14,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:32:14,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:32:14,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:32:14,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:32:14,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:32:14,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:32:14,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:32:14,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:32:14,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:32:14,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:32:14,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:32:14,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7d769e17-3158-4f31-87d0-d176b94eb702/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 23:32:14,928 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:32:14,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:32:14,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:32:14,929 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:32:14,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:32:14,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:32:14,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:32:14,931 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:32:14,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:32:14,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:32:14,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:32:14,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:32:14,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:32:14,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:32:14,932 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:32:14,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:32:14,933 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:32:14,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:32:14,933 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:32:14,933 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:32:14,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:32:14,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:32:14,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:32:14,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:32:14,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:32:14,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:32:14,935 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 23:32:14,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:32:14,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:32:14,936 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_7d769e17-3158-4f31-87d0-d176b94eb702/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7d769e17-3158-4f31-87d0-d176b94eb702/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7c7db9989bf214b2258caa5c05380b7759170fd [2020-11-29 23:32:15,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:32:15,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:32:15,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:32:15,211 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:32:15,211 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:32:15,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7d769e17-3158-4f31-87d0-d176b94eb702/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2020-11-29 23:32:15,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d769e17-3158-4f31-87d0-d176b94eb702/bin/ukojak/data/28ef0c533/dad1803b61394b90ab70d1224e8d82d8/FLAG85675c2d7 [2020-11-29 23:32:15,784 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:32:15,786 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7d769e17-3158-4f31-87d0-d176b94eb702/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2020-11-29 23:32:15,809 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d769e17-3158-4f31-87d0-d176b94eb702/bin/ukojak/data/28ef0c533/dad1803b61394b90ab70d1224e8d82d8/FLAG85675c2d7 [2020-11-29 23:32:16,093 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7d769e17-3158-4f31-87d0-d176b94eb702/bin/ukojak/data/28ef0c533/dad1803b61394b90ab70d1224e8d82d8 [2020-11-29 23:32:16,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:32:16,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:32:16,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:32:16,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:32:16,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:32:16,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:32:16" (1/1) ... [2020-11-29 23:32:16,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503459a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:16, skipping insertion in model container [2020-11-29 23:32:16,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:32:16" (1/1) ... [2020-11-29 23:32:16,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:32:16,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:32:16,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:32:16,460 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:32:16,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:32:16,600 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:32:16,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:16 WrapperNode [2020-11-29 23:32:16,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:32:16,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:32:16,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:32:16,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:32:16,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:16" (1/1) ... [2020-11-29 23:32:16,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:16" (1/1) ... [2020-11-29 23:32:16,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:32:16,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:32:16,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:32:16,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:32:16,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:16" (1/1) ... [2020-11-29 23:32:16,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:16" (1/1) ... [2020-11-29 23:32:16,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:16" (1/1) ... [2020-11-29 23:32:16,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:16" (1/1) ... [2020-11-29 23:32:16,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:16" (1/1) ... [2020-11-29 23:32:16,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:16" (1/1) ... [2020-11-29 23:32:16,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:16" (1/1) ... [2020-11-29 23:32:16,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:32:16,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:32:16,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:32:16,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:32:16,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d769e17-3158-4f31-87d0-d176b94eb702/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 23:32:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:32:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 23:32:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 23:32:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 23:32:16,830 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 23:32:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 23:32:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 23:32:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 23:32:16,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 23:32:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 23:32:16,833 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 23:32:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 23:32:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 23:32:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 23:32:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 23:32:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:32:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 23:32:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 23:32:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:32:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:32:18,453 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:32:18,453 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-29 23:32:18,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:18 BoogieIcfgContainer [2020-11-29 23:32:18,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:32:18,457 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:32:18,457 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:32:18,467 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:32:18,468 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:18" (1/1) ... [2020-11-29 23:32:18,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:18,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:18,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2020-11-29 23:32:18,530 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2020-11-29 23:32:18,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 23:32:18,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:18,876 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 23:32:18,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:18,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2020-11-29 23:32:18,897 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2020-11-29 23:32:18,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 23:32:18,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:19,022 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 23:32:19,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:19,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2020-11-29 23:32:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2020-11-29 23:32:19,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 23:32:19,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:19,156 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 23:32:19,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:19,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2020-11-29 23:32:19,539 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-11-29 23:32:19,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 23:32:19,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:19,589 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 23:32:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:19,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2020-11-29 23:32:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2020-11-29 23:32:19,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 23:32:19,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:19,657 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 23:32:19,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2020-11-29 23:32:19,669 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2020-11-29 23:32:19,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 23:32:19,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:19,785 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 23:32:20,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:20,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 88 states and 131 transitions. [2020-11-29 23:32:20,241 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2020-11-29 23:32:20,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 23:32:20,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:32:20,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:20,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 98 states and 152 transitions. [2020-11-29 23:32:20,904 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 152 transitions. [2020-11-29 23:32:20,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 23:32:20,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:21,008 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 23:32:22,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:22,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 116 states and 193 transitions. [2020-11-29 23:32:22,213 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 193 transitions. [2020-11-29 23:32:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 23:32:22,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:22,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:32:22,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:22,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 122 states and 206 transitions. [2020-11-29 23:32:22,681 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2020-11-29 23:32:22,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 23:32:22,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:22,718 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 23:32:22,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 123 states and 207 transitions. [2020-11-29 23:32:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 207 transitions. [2020-11-29 23:32:22,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 23:32:22,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:32:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 130 states and 221 transitions. [2020-11-29 23:32:23,435 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 221 transitions. [2020-11-29 23:32:23,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 23:32:23,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:23,474 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 23:32:23,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:23,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2020-11-29 23:32:23,492 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2020-11-29 23:32:23,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 23:32:23,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:32:23,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:23,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 136 states and 233 transitions. [2020-11-29 23:32:23,800 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 233 transitions. [2020-11-29 23:32:23,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 23:32:23,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:24,239 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 23:32:25,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:25,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 143 states and 259 transitions. [2020-11-29 23:32:25,565 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 259 transitions. [2020-11-29 23:32:25,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 23:32:25,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:25,617 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:32:25,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:25,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 144 states and 260 transitions. [2020-11-29 23:32:25,642 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 260 transitions. [2020-11-29 23:32:25,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 23:32:25,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:32:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 147 states and 266 transitions. [2020-11-29 23:32:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 266 transitions. [2020-11-29 23:32:26,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 23:32:26,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 23:32:28,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 163 states and 327 transitions. [2020-11-29 23:32:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 327 transitions. [2020-11-29 23:32:28,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 23:32:28,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:28,554 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 23:32:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 165 states and 341 transitions. [2020-11-29 23:32:28,871 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 341 transitions. [2020-11-29 23:32:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 23:32:28,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:28,914 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 23:32:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:30,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 171 states and 354 transitions. [2020-11-29 23:32:30,043 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 354 transitions. [2020-11-29 23:32:30,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 23:32:30,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 23:32:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:31,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 179 states and 389 transitions. [2020-11-29 23:32:31,781 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 389 transitions. [2020-11-29 23:32:31,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 23:32:31,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:31,819 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 23:32:31,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:31,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 177 states and 371 transitions. [2020-11-29 23:32:31,847 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 371 transitions. [2020-11-29 23:32:31,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 23:32:31,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:31,887 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 23:32:32,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 184 states and 396 transitions. [2020-11-29 23:32:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 396 transitions. [2020-11-29 23:32:32,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 23:32:32,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:32,575 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 23:32:33,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:33,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 186 states and 405 transitions. [2020-11-29 23:32:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 405 transitions. [2020-11-29 23:32:33,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 23:32:33,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:32:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 189 states and 414 transitions. [2020-11-29 23:32:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 414 transitions. [2020-11-29 23:32:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 23:32:34,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 23:32:34,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:34,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 190 states and 414 transitions. [2020-11-29 23:32:34,929 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 414 transitions. [2020-11-29 23:32:34,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 23:32:34,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:32:35,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 192 states and 419 transitions. [2020-11-29 23:32:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 419 transitions. [2020-11-29 23:32:35,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 23:32:35,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:35,429 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 23:32:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 193 states and 422 transitions. [2020-11-29 23:32:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 422 transitions. [2020-11-29 23:32:35,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 23:32:35,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:35,509 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:32:36,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 198 states and 428 transitions. [2020-11-29 23:32:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 428 transitions. [2020-11-29 23:32:36,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 23:32:36,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:32:37,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:37,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 200 states and 433 transitions. [2020-11-29 23:32:37,011 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 433 transitions. [2020-11-29 23:32:37,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 23:32:37,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:37,049 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 23:32:37,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:37,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 201 states and 434 transitions. [2020-11-29 23:32:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 434 transitions. [2020-11-29 23:32:37,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 23:32:37,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 23:32:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:37,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 204 states and 439 transitions. [2020-11-29 23:32:37,154 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 439 transitions. [2020-11-29 23:32:37,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-29 23:32:37,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:37,191 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-29 23:32:37,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 205 states and 440 transitions. [2020-11-29 23:32:37,231 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 440 transitions. [2020-11-29 23:32:37,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-29 23:32:37,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:32:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:37,269 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 23:32:37,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:32:37,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 82 states and 102 transitions. [2020-11-29 23:32:37,296 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2020-11-29 23:32:37,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:32:37,297 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2020-11-29 23:32:37,304 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 23:32:37,722 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:32:37,726 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:32:37,726 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 23:32:37,729 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:32:37,729 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 23:32:37,730 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:32:37,730 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:32:37,731 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:32:37,731 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:32:37,731 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:32:37,731 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:32:37,731 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:32:37,731 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2020-11-29 23:32:37,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 11:32:37 ImpRootNode [2020-11-29 23:32:37,733 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 23:32:37,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:32:37,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:32:37,734 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:32:37,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:18" (3/4) ... [2020-11-29 23:32:37,738 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:32:37,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 23:32:37,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 23:32:37,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 23:32:37,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 23:32:37,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 23:32:37,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 23:32:37,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 23:32:37,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 23:32:37,752 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2020-11-29 23:32:37,753 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 23:32:37,754 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 23:32:37,754 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 23:32:37,755 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 23:32:37,756 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:32:37,756 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:32:37,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) || !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive) [2020-11-29 23:32:37,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-29 23:32:37,834 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7d769e17-3158-4f31-87d0-d176b94eb702/bin/ukojak/witness.graphml [2020-11-29 23:32:37,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:32:37,836 INFO L168 Benchmark]: Toolchain (without parser) took 21738.06 ms. Allocated memory was 98.6 MB in the beginning and 308.3 MB in the end (delta: 209.7 MB). Free memory was 70.0 MB in the beginning and 239.4 MB in the end (delta: -169.5 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:37,836 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:32:37,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.25 ms. Allocated memory is still 98.6 MB. Free memory was 70.0 MB in the beginning and 65.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:37,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.50 ms. Allocated memory is still 98.6 MB. Free memory was 65.6 MB in the beginning and 62.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:37,838 INFO L168 Benchmark]: Boogie Preprocessor took 39.77 ms. Allocated memory is still 98.6 MB. Free memory was 62.9 MB in the beginning and 61.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:37,838 INFO L168 Benchmark]: RCFGBuilder took 1733.02 ms. Allocated memory is still 98.6 MB. Free memory was 60.8 MB in the beginning and 68.4 MB in the end (delta: -7.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:37,839 INFO L168 Benchmark]: CodeCheck took 19276.65 ms. Allocated memory was 98.6 MB in the beginning and 308.3 MB in the end (delta: 209.7 MB). Free memory was 68.4 MB in the beginning and 244.7 MB in the end (delta: -176.3 MB). Peak memory consumption was 180.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:37,839 INFO L168 Benchmark]: Witness Printer took 100.47 ms. Allocated memory is still 308.3 MB. Free memory was 244.7 MB in the beginning and 239.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:37,841 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, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.7s, OverallIterations: 34, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1773712932 SDtfs, 744936940 SDslu, 1518957724 SDs, 0 SdLazy, 935922204 SolverSat, 1357424564 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17129 GetRequests, 16858 SyntacticMatches, 9 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30622 ImplicationChecksByTransitivity, 13.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1581 NumberOfCodeBlocks, 1581 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1548 ConstructedInterpolants, 0 QuantifiedInterpolants, 155784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 23 PerfectInterpolantSequences, 490/524 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) || !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 502.25 ms. Allocated memory is still 98.6 MB. Free memory was 70.0 MB in the beginning and 65.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.50 ms. Allocated memory is still 98.6 MB. Free memory was 65.6 MB in the beginning and 62.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.77 ms. Allocated memory is still 98.6 MB. Free memory was 62.9 MB in the beginning and 61.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1733.02 ms. Allocated memory is still 98.6 MB. Free memory was 60.8 MB in the beginning and 68.4 MB in the end (delta: -7.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. * CodeCheck took 19276.65 ms. Allocated memory was 98.6 MB in the beginning and 308.3 MB in the end (delta: 209.7 MB). Free memory was 68.4 MB in the beginning and 244.7 MB in the end (delta: -176.3 MB). Peak memory consumption was 180.0 MB. Max. memory is 16.1 GB. * Witness Printer took 100.47 ms. Allocated memory is still 308.3 MB. Free memory was 244.7 MB in the beginning and 239.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...