./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.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_11740442-053a-41a7-b106-97accd41aaba/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_11740442-053a-41a7-b106-97accd41aaba/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11740442-053a-41a7-b106-97accd41aaba/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11740442-053a-41a7-b106-97accd41aaba/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_11740442-053a-41a7-b106-97accd41aaba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11740442-053a-41a7-b106-97accd41aaba/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 07a82585c9104c8be0d4d9500146b9ae03439698 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 04:34:50,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:34:50,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:34:50,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:34:50,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:34:50,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:34:50,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:34:50,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:34:50,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:34:50,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:34:50,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:34:50,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:34:50,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:34:50,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:34:50,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:34:50,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:34:50,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:34:50,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:34:50,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:34:50,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:34:50,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:34:50,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:34:50,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:34:50,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:34:50,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:34:50,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:34:50,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:34:50,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:34:50,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:34:50,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:34:50,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:34:50,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:34:50,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:34:50,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:34:50,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:34:50,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:34:50,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:34:50,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:34:50,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:34:50,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:34:50,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:34:50,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11740442-053a-41a7-b106-97accd41aaba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:34:50,817 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:34:50,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:34:50,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:34:50,819 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:34:50,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:34:50,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:34:50,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:34:50,821 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:34:50,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:34:50,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:34:50,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:34:50,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:34:50,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:34:50,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:34:50,823 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:34:50,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:34:50,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:34:50,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:34:50,824 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:34:50,824 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:34:50,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:34:50,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:34:50,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:34:50,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:34:50,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:34:50,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:34:50,826 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:34:50,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:34:50,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:34:50,827 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_11740442-053a-41a7-b106-97accd41aaba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_11740442-053a-41a7-b106-97accd41aaba/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07a82585c9104c8be0d4d9500146b9ae03439698 [2020-11-28 04:34:51,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:34:51,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:34:51,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:34:51,153 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:34:51,155 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:34:51,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11740442-053a-41a7-b106-97accd41aaba/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2020-11-28 04:34:51,240 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11740442-053a-41a7-b106-97accd41aaba/bin/ukojak/data/29f9be495/902f82ec434a4f82a87cb5adc1f44cbd/FLAG0ed654c2b [2020-11-28 04:34:51,776 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:34:51,777 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11740442-053a-41a7-b106-97accd41aaba/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2020-11-28 04:34:51,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11740442-053a-41a7-b106-97accd41aaba/bin/ukojak/data/29f9be495/902f82ec434a4f82a87cb5adc1f44cbd/FLAG0ed654c2b [2020-11-28 04:34:52,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11740442-053a-41a7-b106-97accd41aaba/bin/ukojak/data/29f9be495/902f82ec434a4f82a87cb5adc1f44cbd [2020-11-28 04:34:52,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:34:52,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:34:52,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:34:52,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:34:52,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:34:52,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1e9179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52, skipping insertion in model container [2020-11-28 04:34:52,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:34:52,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:34:52,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:34:52,501 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:34:52,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:34:52,643 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:34:52,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52 WrapperNode [2020-11-28 04:34:52,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:34:52,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:34:52,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:34:52,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:34:52,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:34:52,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:34:52,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:34:52,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:34:52,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:34:52,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:34:52,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:34:52,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:34:52,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11740442-053a-41a7-b106-97accd41aaba/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 04:34:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:34:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:34:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:34:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:34:52,896 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:34:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:34:52,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:34:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:34:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:34:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:34:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:34:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:34:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:34:52,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:34:52,900 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:34:52,900 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:34:52,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:34:52,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:34:54,283 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:34:54,283 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-11-28 04:34:54,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:54 BoogieIcfgContainer [2020-11-28 04:34:54,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:34:54,287 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:34:54,287 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:34:54,300 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:34:54,300 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:54" (1/1) ... [2020-11-28 04:34:54,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:34:54,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:54,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2020-11-28 04:34:54,363 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2020-11-28 04:34:54,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:34:54,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:54,593 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 04:34:54,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:54,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2020-11-28 04:34:54,606 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2020-11-28 04:34:54,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:34:54,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:54,717 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 04:34:54,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2020-11-28 04:34:54,747 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2020-11-28 04:34:54,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:34:54,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:54,905 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 04:34:54,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:54,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2020-11-28 04:34:54,942 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2020-11-28 04:34:54,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:34:54,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:55,026 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 04:34:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:55,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 71 states and 103 transitions. [2020-11-28 04:34:55,248 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2020-11-28 04:34:55,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:34:55,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:55,337 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 04:34:55,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2020-11-28 04:34:55,354 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2020-11-28 04:34:55,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:34:55,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:55,455 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 04:34:55,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 73 states and 105 transitions. [2020-11-28 04:34:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2020-11-28 04:34:55,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:34:55,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:55,583 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 04:34:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:56,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 89 states and 139 transitions. [2020-11-28 04:34:56,218 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 139 transitions. [2020-11-28 04:34:56,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:34:56,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:56,288 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 04:34:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 148 transitions. [2020-11-28 04:34:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 148 transitions. [2020-11-28 04:34:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:34:56,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:56,381 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 04:34:56,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:56,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 94 states and 149 transitions. [2020-11-28 04:34:56,395 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 149 transitions. [2020-11-28 04:34:56,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:34:56,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:56,445 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 04:34:56,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:56,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 95 states and 150 transitions. [2020-11-28 04:34:56,462 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 150 transitions. [2020-11-28 04:34:56,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:34:56,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:56,543 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 04:34:56,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:56,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 97 states and 155 transitions. [2020-11-28 04:34:56,634 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2020-11-28 04:34:56,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:34:56,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:56,723 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 04:34:56,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:56,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 100 states and 162 transitions. [2020-11-28 04:34:56,883 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 162 transitions. [2020-11-28 04:34:56,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:34:56,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:56,949 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 04:34:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 102 states and 165 transitions. [2020-11-28 04:34:57,181 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 165 transitions. [2020-11-28 04:34:57,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:34:57,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:57,231 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 04:34:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 100 states and 161 transitions. [2020-11-28 04:34:57,257 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 161 transitions. [2020-11-28 04:34:57,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:34:57,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:34:57,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:57,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 109 states and 179 transitions. [2020-11-28 04:34:57,742 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 179 transitions. [2020-11-28 04:34:57,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:34:57,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:34:57,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:57,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 110 states and 180 transitions. [2020-11-28 04:34:57,816 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 180 transitions. [2020-11-28 04:34:57,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:34:57,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:34:57,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:57,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 111 states and 181 transitions. [2020-11-28 04:34:57,895 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 181 transitions. [2020-11-28 04:34:57,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:34:57,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:34:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 183 transitions. [2020-11-28 04:34:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 183 transitions. [2020-11-28 04:34:58,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:34:58,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:58,092 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:34:58,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:58,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 124 states and 217 transitions. [2020-11-28 04:34:58,661 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 217 transitions. [2020-11-28 04:34:58,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:34:58,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:58,697 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:34:58,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:58,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 125 states and 215 transitions. [2020-11-28 04:34:58,899 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 215 transitions. [2020-11-28 04:34:58,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:34:58,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:58,956 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:34:58,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:58,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 126 states and 216 transitions. [2020-11-28 04:34:58,986 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 216 transitions. [2020-11-28 04:34:58,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:34:58,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:59,026 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:34:59,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 127 states and 217 transitions. [2020-11-28 04:34:59,057 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 217 transitions. [2020-11-28 04:34:59,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:34:59,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:59,114 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:34:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:59,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 129 states and 218 transitions. [2020-11-28 04:34:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 218 transitions. [2020-11-28 04:34:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:34:59,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 04:34:59,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:59,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 135 states and 228 transitions. [2020-11-28 04:34:59,477 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 228 transitions. [2020-11-28 04:34:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:34:59,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:59,521 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 04:34:59,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:59,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 136 states and 229 transitions. [2020-11-28 04:34:59,550 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 229 transitions. [2020-11-28 04:34:59,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:34:59,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 04:34:59,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:59,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 137 states and 230 transitions. [2020-11-28 04:34:59,623 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 230 transitions. [2020-11-28 04:34:59,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:34:59,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:35:00,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:00,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 145 states and 244 transitions. [2020-11-28 04:35:00,085 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2020-11-28 04:35:00,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:35:00,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:35:00,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:00,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 146 states and 245 transitions. [2020-11-28 04:35:00,164 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2020-11-28 04:35:00,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:35:00,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:00,202 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:35:00,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 57 states and 73 transitions. [2020-11-28 04:35:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2020-11-28 04:35:00,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:35:00,236 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2020-11-28 04:35:00,243 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:35:00,476 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-28 04:35:00,483 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:00,484 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:00,485 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:35:00,486 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:35:00,486 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:00,486 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:00,487 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:00,487 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:35:00,487 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:00,488 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:00,488 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:00,488 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:00,488 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:00,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:35:00 ImpRootNode [2020-11-28 04:35:00,489 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:35:00,489 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:35:00,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:35:00,490 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:35:00,490 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:54" (3/4) ... [2020-11-28 04:35:00,494 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:35:00,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:35:00,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:35:00,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:35:00,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:35:00,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:35:00,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:35:00,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:35:00,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2020-11-28 04:35:00,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:35:00,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:35:00,511 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:35:00,512 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:35:00,512 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:35:00,513 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:35:00,560 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == systemActive) && !(1 == systemActive)) || !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning) [2020-11-28 04:35:00,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || !(0 == systemActive) [2020-11-28 04:35:00,562 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-28 04:35:00,625 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_11740442-053a-41a7-b106-97accd41aaba/bin/ukojak/witness.graphml [2020-11-28 04:35:00,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:35:00,627 INFO L168 Benchmark]: Toolchain (without parser) took 8561.88 ms. Allocated memory was 109.1 MB in the beginning and 197.1 MB in the end (delta: 88.1 MB). Free memory was 72.2 MB in the beginning and 168.3 MB in the end (delta: -96.1 MB). Peak memory consumption was 82.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:00,627 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory is still 89.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:35:00,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.73 ms. Allocated memory is still 109.1 MB. Free memory was 72.1 MB in the beginning and 74.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:00,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.13 ms. Allocated memory is still 109.1 MB. Free memory was 74.0 MB in the beginning and 71.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:00,628 INFO L168 Benchmark]: Boogie Preprocessor took 72.57 ms. Allocated memory is still 109.1 MB. Free memory was 71.6 MB in the beginning and 69.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:00,629 INFO L168 Benchmark]: RCFGBuilder took 1482.17 ms. Allocated memory is still 109.1 MB. Free memory was 69.7 MB in the beginning and 44.0 MB in the end (delta: 25.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:00,629 INFO L168 Benchmark]: CodeCheck took 6202.22 ms. Allocated memory was 109.1 MB in the beginning and 163.6 MB in the end (delta: 54.5 MB). Free memory was 44.0 MB in the beginning and 48.3 MB in the end (delta: -4.3 MB). Peak memory consumption was 50.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:00,630 INFO L168 Benchmark]: Witness Printer took 135.57 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 48.3 MB in the beginning and 168.3 MB in the end (delta: -120.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:00,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.9s, OverallIterations: 30, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2006976108 SDtfs, -1640696308 SDslu, 319186668 SDs, 0 SdLazy, -647000756 SolverSat, 1253478908 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8709 GetRequests, 8623 SyntacticMatches, 10 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2189 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 920 NumberOfCodeBlocks, 920 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 891 ConstructedInterpolants, 0 QuantifiedInterpolants, 67115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 24 PerfectInterpolantSequences, 232/252 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: 597]: Loop Invariant Derived loop invariant: ((!(0 == systemActive) && !(1 == systemActive)) || !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: (!(pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || !(0 == systemActive) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory is still 89.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 568.73 ms. Allocated memory is still 109.1 MB. Free memory was 72.1 MB in the beginning and 74.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.13 ms. Allocated memory is still 109.1 MB. Free memory was 74.0 MB in the beginning and 71.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.57 ms. Allocated memory is still 109.1 MB. Free memory was 71.6 MB in the beginning and 69.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1482.17 ms. Allocated memory is still 109.1 MB. Free memory was 69.7 MB in the beginning and 44.0 MB in the end (delta: 25.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. * CodeCheck took 6202.22 ms. Allocated memory was 109.1 MB in the beginning and 163.6 MB in the end (delta: 54.5 MB). Free memory was 44.0 MB in the beginning and 48.3 MB in the end (delta: -4.3 MB). Peak memory consumption was 50.9 MB. Max. memory is 16.1 GB. * Witness Printer took 135.57 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 48.3 MB in the beginning and 168.3 MB in the end (delta: -120.1 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...