./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB --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 7fffab71bdab4f0e8e57248febe72260063a133a0cb2741fe9829d7065610e52 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:45:26,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:45:26,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:45:26,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:45:26,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:45:26,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:45:26,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:45:26,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:45:26,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:45:26,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:45:26,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:45:26,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:45:26,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:45:26,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:45:26,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:45:26,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:45:26,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:45:26,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:45:26,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:45:26,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:45:26,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:45:26,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:45:26,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:45:26,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:45:26,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:45:26,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:45:26,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:45:26,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:45:26,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:45:26,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:45:26,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:45:26,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:45:26,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:45:26,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:45:26,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:45:26,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:45:26,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:45:26,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:45:26,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:45:26,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:45:26,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:45:26,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:45:26,869 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:45:26,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:45:26,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:45:26,871 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:45:26,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:45:26,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:45:26,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:45:26,873 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:45:26,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:45:26,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:45:26,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:45:26,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:45:26,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:45:26,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:45:26,876 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:45:26,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:45:26,877 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:45:26,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:45:26,877 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:45:26,877 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:45:26,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:45:26,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:26,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:45:26,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:45:26,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:45:26,879 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:45:26,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:45:26,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:45:26,880 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_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fffab71bdab4f0e8e57248febe72260063a133a0cb2741fe9829d7065610e52 [2022-10-17 16:45:27,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:45:27,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:45:27,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:45:27,173 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:45:27,174 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:45:27,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2022-10-17 16:45:27,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/data/87a43bbe7/b4bb59d109d449c5bb2ffd024eecb0da/FLAGb6a1e282f [2022-10-17 16:45:27,756 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:45:27,757 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2022-10-17 16:45:27,771 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/data/87a43bbe7/b4bb59d109d449c5bb2ffd024eecb0da/FLAGb6a1e282f [2022-10-17 16:45:28,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/data/87a43bbe7/b4bb59d109d449c5bb2ffd024eecb0da [2022-10-17 16:45:28,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:45:28,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:45:28,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:28,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:45:28,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:45:28,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:28" (1/1) ... [2022-10-17 16:45:28,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@392410b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:28, skipping insertion in model container [2022-10-17 16:45:28,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:28" (1/1) ... [2022-10-17 16:45:28,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:45:28,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:45:28,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18328,18341] [2022-10-17 16:45:28,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:28,640 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:45:28,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18328,18341] [2022-10-17 16:45:28,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:28,717 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:45:28,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:28 WrapperNode [2022-10-17 16:45:28,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:28,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:28,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:45:28,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:45:28,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:28" (1/1) ... [2022-10-17 16:45:28,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:28" (1/1) ... [2022-10-17 16:45:28,785 INFO L138 Inliner]: procedures = 55, calls = 157, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 248 [2022-10-17 16:45:28,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:28,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:45:28,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:45:28,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:45:28,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:28" (1/1) ... [2022-10-17 16:45:28,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:28" (1/1) ... [2022-10-17 16:45:28,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:28" (1/1) ... [2022-10-17 16:45:28,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:28" (1/1) ... [2022-10-17 16:45:28,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:28" (1/1) ... [2022-10-17 16:45:28,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:28" (1/1) ... [2022-10-17 16:45:28,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:28" (1/1) ... [2022-10-17 16:45:28,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:28" (1/1) ... [2022-10-17 16:45:28,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:45:28,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:45:28,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:45:28,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:45:28,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:28" (1/1) ... [2022-10-17 16:45:28,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:28,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:45:28,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:45:28,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:45:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:45:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 16:45:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 16:45:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:45:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:45:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:45:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:45:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:45:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:45:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:45:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:45:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 16:45:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 16:45:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 16:45:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 16:45:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:45:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:45:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:45:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:45:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:45:29,041 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:45:29,044 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:45:29,513 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:45:29,646 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:45:29,651 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:45:29,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:29 BoogieIcfgContainer [2022-10-17 16:45:29,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:45:29,667 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:45:29,667 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:45:29,679 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:45:29,680 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:29" (1/1) ... [2022-10-17 16:45:29,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:45:29,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:29,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 64 states and 86 transitions. [2022-10-17 16:45:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2022-10-17 16:45:29,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:45:29,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:29,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:30,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2022-10-17 16:45:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2022-10-17 16:45:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:45:30,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:30,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:30,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:30,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 66 states and 87 transitions. [2022-10-17 16:45:30,343 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2022-10-17 16:45:30,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:45:30,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:30,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:30,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:30,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 76 states and 107 transitions. [2022-10-17 16:45:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2022-10-17 16:45:30,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:45:30,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:30,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:30,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:30,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:30,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 77 states and 108 transitions. [2022-10-17 16:45:30,904 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2022-10-17 16:45:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:45:30,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:30,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:30,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:30,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:30,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 78 states and 109 transitions. [2022-10-17 16:45:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2022-10-17 16:45:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:45:31,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:31,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:31,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:31,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:31,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 79 states and 110 transitions. [2022-10-17 16:45:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2022-10-17 16:45:31,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:45:31,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:31,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:31,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:31,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:31,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 95 states and 142 transitions. [2022-10-17 16:45:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2022-10-17 16:45:31,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:45:31,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:31,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:31,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:31,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 96 states and 143 transitions. [2022-10-17 16:45:31,964 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 143 transitions. [2022-10-17 16:45:31,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:45:31,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:31,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:32,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:32,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:32,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 97 states and 144 transitions. [2022-10-17 16:45:32,063 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 144 transitions. [2022-10-17 16:45:32,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:45:32,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:32,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:32,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:33,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 112 states and 179 transitions. [2022-10-17 16:45:33,313 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 179 transitions. [2022-10-17 16:45:33,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:45:33,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:33,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:33,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:33,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:33,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 113 states and 180 transitions. [2022-10-17 16:45:33,604 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 180 transitions. [2022-10-17 16:45:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:45:33,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:33,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:34,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 117 states and 188 transitions. [2022-10-17 16:45:34,641 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 188 transitions. [2022-10-17 16:45:34,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:45:34,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:34,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:34,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:34,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 119 states and 189 transitions. [2022-10-17 16:45:34,802 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 189 transitions. [2022-10-17 16:45:34,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:45:34,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:34,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:34,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:34,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 120 states and 190 transitions. [2022-10-17 16:45:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 190 transitions. [2022-10-17 16:45:35,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:45:35,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:35,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:35,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:45:35,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:35,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 129 states and 212 transitions. [2022-10-17 16:45:35,479 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 212 transitions. [2022-10-17 16:45:35,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:45:35,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:35,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:45:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 130 states and 213 transitions. [2022-10-17 16:45:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 213 transitions. [2022-10-17 16:45:35,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:45:35,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:35,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:45:35,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:35,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 131 states and 214 transitions. [2022-10-17 16:45:35,631 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 214 transitions. [2022-10-17 16:45:35,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:45:35,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:35,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:35,753 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:45:36,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:36,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 142 states and 247 transitions. [2022-10-17 16:45:36,279 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 247 transitions. [2022-10-17 16:45:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:45:36,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:36,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:36,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:45:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:36,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 143 states and 248 transitions. [2022-10-17 16:45:36,395 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 248 transitions. [2022-10-17 16:45:36,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:45:36,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:36,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:36,488 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:45:36,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 144 states and 248 transitions. [2022-10-17 16:45:36,510 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 248 transitions. [2022-10-17 16:45:36,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:45:36,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:36,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:36,896 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:38,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 152 states and 267 transitions. [2022-10-17 16:45:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 267 transitions. [2022-10-17 16:45:38,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:45:38,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:38,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:38,570 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:45:38,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:38,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 153 states and 268 transitions. [2022-10-17 16:45:38,598 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 268 transitions. [2022-10-17 16:45:38,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:45:38,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:38,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:38,680 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:45:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:38,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 154 states and 269 transitions. [2022-10-17 16:45:38,710 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 269 transitions. [2022-10-17 16:45:38,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:45:38,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:38,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:38,782 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:45:38,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:38,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 159 states and 278 transitions. [2022-10-17 16:45:38,809 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 278 transitions. [2022-10-17 16:45:38,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:45:38,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:38,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:38,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:45:39,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:39,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 164 states and 291 transitions. [2022-10-17 16:45:39,797 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 291 transitions. [2022-10-17 16:45:39,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:45:39,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:39,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 16:45:39,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:39,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 165 states and 291 transitions. [2022-10-17 16:45:39,901 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 291 transitions. [2022-10-17 16:45:39,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:45:39,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:39,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:40,074 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:45:40,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:40,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 170 states and 306 transitions. [2022-10-17 16:45:40,913 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 306 transitions. [2022-10-17 16:45:40,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:45:40,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:40,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:41,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:41,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 168 states and 298 transitions. [2022-10-17 16:45:41,042 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 298 transitions. [2022-10-17 16:45:41,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:45:41,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:41,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:41,214 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:42,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:42,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 169 states and 299 transitions. [2022-10-17 16:45:42,020 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 299 transitions. [2022-10-17 16:45:42,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:45:42,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:42,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:45:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 170 states and 300 transitions. [2022-10-17 16:45:42,110 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 300 transitions. [2022-10-17 16:45:42,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:45:42,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:42,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:42,169 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:45:42,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:42,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 171 states and 301 transitions. [2022-10-17 16:45:42,195 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 301 transitions. [2022-10-17 16:45:42,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:45:42,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:42,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:45:42,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:42,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 176 states and 311 transitions. [2022-10-17 16:45:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 311 transitions. [2022-10-17 16:45:42,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:45:42,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:42,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:45:43,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:43,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 177 states and 309 transitions. [2022-10-17 16:45:43,069 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 309 transitions. [2022-10-17 16:45:43,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:45:43,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:43,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:43,120 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:45:43,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:43,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 178 states and 310 transitions. [2022-10-17 16:45:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 310 transitions. [2022-10-17 16:45:43,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:45:43,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:43,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:43,323 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:45:43,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:43,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 184 states and 321 transitions. [2022-10-17 16:45:43,487 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 321 transitions. [2022-10-17 16:45:43,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:45:43,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:43,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:43,540 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:45:43,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:43,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 185 states and 322 transitions. [2022-10-17 16:45:43,810 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 322 transitions. [2022-10-17 16:45:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:45:43,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:43,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:45:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:43,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 186 states and 323 transitions. [2022-10-17 16:45:43,893 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 323 transitions. [2022-10-17 16:45:43,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:45:43,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:43,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:45:43,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 187 states and 324 transitions. [2022-10-17 16:45:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 324 transitions. [2022-10-17 16:45:43,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:45:43,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:43,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-10-17 16:45:44,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:44,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 93 states and 132 transitions. [2022-10-17 16:45:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2022-10-17 16:45:44,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:45:44,553 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 40 iterations. [2022-10-17 16:45:44,562 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:45:44,796 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-10-17 16:45:44,806 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:44,806 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:44,806 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:44,806 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-10-17 16:45:44,808 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:44,808 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:44,808 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:44,808 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:44,808 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:44,808 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:44,808 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:44,809 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:44,809 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:44,809 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:44,809 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-10-17 16:45:44,810 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:44,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:45:44 ImpRootNode [2022-10-17 16:45:44,810 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:45:44,811 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:45:44,811 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:45:44,811 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:45:44,812 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:29" (3/4) ... [2022-10-17 16:45:44,814 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:45:44,819 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 16:45:44,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 16:45:44,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 16:45:44,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 16:45:44,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 16:45:44,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 16:45:44,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:45:44,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 16:45:44,836 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2022-10-17 16:45:44,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-10-17 16:45:44,838 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:45:44,839 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:45:44,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:45:44,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:45:44,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:45:44,871 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || ((pumpRunning == \old(pumpRunning) && waterLevel == 0) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) [2022-10-17 16:45:44,873 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2022-10-17 16:45:44,933 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:45:44,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:45:44,934 INFO L158 Benchmark]: Toolchain (without parser) took 16838.34ms. Allocated memory was 104.9MB in the beginning and 226.5MB in the end (delta: 121.6MB). Free memory was 68.0MB in the beginning and 130.7MB in the end (delta: -62.6MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2022-10-17 16:45:44,934 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory was 75.6MB in the beginning and 75.6MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:45:44,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.06ms. Allocated memory is still 104.9MB. Free memory was 67.8MB in the beginning and 70.8MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:45:44,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.12ms. Allocated memory is still 104.9MB. Free memory was 70.8MB in the beginning and 68.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:45:44,935 INFO L158 Benchmark]: Boogie Preprocessor took 45.18ms. Allocated memory is still 104.9MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:45:44,936 INFO L158 Benchmark]: RCFGBuilder took 823.05ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 66.6MB in the beginning and 104.0MB in the end (delta: -37.4MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2022-10-17 16:45:44,936 INFO L158 Benchmark]: CodeCheck took 15143.28ms. Allocated memory was 130.0MB in the beginning and 226.5MB in the end (delta: 96.5MB). Free memory was 104.8MB in the beginning and 135.9MB in the end (delta: -31.2MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2022-10-17 16:45:44,937 INFO L158 Benchmark]: Witness Printer took 122.63ms. Allocated memory is still 226.5MB. Free memory was 135.9MB in the beginning and 130.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:45:44,939 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, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.8s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11705 SdHoareTripleChecker+Valid, 22.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6023 mSDsluCounter, 12833 SdHoareTripleChecker+Invalid, 18.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9737 mSDsCounter, 3240 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12643 IncrementalHoareTripleChecker+Invalid, 15883 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3240 mSolverCounterUnsat, 3444 mSDtfsCounter, 12643 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13927 GetRequests, 13659 SyntacticMatches, 52 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21624 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1443 NumberOfCodeBlocks, 1443 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1404 ConstructedInterpolants, 0 QuantifiedInterpolants, 3480 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 33 PerfectInterpolantSequences, 479/511 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: 962]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || ((pumpRunning == \old(pumpRunning) && waterLevel == 0) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((waterLevel == tmp && tmp == systemActive) && pumpRunning == 0) && waterLevel == 1 - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory was 75.6MB in the beginning and 75.6MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 621.06ms. Allocated memory is still 104.9MB. Free memory was 67.8MB in the beginning and 70.8MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.12ms. Allocated memory is still 104.9MB. Free memory was 70.8MB in the beginning and 68.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.18ms. Allocated memory is still 104.9MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 823.05ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 66.6MB in the beginning and 104.0MB in the end (delta: -37.4MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * CodeCheck took 15143.28ms. Allocated memory was 130.0MB in the beginning and 226.5MB in the end (delta: 96.5MB). Free memory was 104.8MB in the beginning and 135.9MB in the end (delta: -31.2MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * Witness Printer took 122.63ms. Allocated memory is still 226.5MB. Free memory was 135.9MB in the beginning and 130.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:45:45,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37eaf3bf-e549-492b-b388-502b2d2d1023/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE