./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.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_37a46682-fe51-4bad-b88e-1881f898a5af/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/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_37a46682-fe51-4bad-b88e-1881f898a5af/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/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_37a46682-fe51-4bad-b88e-1881f898a5af/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 d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d --- 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 16:36:22,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:36:22,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:36:23,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:36:23,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:36:23,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:36:23,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:36:23,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:36:23,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:36:23,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:36:23,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:36:23,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:36:23,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:36:23,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:36:23,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:36:23,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:36:23,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:36:23,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:36:23,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:36:23,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:36:23,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:36:23,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:36:23,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:36:23,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:36:23,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:36:23,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:36:23,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:36:23,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:36:23,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:36:23,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:36:23,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:36:23,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:36:23,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:36:23,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:36:23,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:36:23,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:36:23,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:36:23,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:36:23,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:36:23,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:36:23,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:36:23,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:36:23,159 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:36:23,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:36:23,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:36:23,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:36:23,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:36:23,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:36:23,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:36:23,166 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:36:23,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:36:23,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:36:23,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:36:23,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:36:23,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:36:23,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:36:23,169 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:36:23,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:36:23,169 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:36:23,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:36:23,169 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:36:23,169 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:36:23,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:36:23,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:23,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:36:23,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:36:23,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:36:23,171 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:36:23,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:36:23,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:36:23,173 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_37a46682-fe51-4bad-b88e-1881f898a5af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d [2022-10-17 16:36:23,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:36:23,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:36:23,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:36:23,498 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:36:23,500 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:36:23,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2022-10-17 16:36:23,572 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/bin/ukojak-92XMlrwhuB/data/87213c21d/03c68476522640ce828e6acd22108888/FLAGd876aaf3a [2022-10-17 16:36:24,204 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:24,212 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2022-10-17 16:36:24,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/bin/ukojak-92XMlrwhuB/data/87213c21d/03c68476522640ce828e6acd22108888/FLAGd876aaf3a [2022-10-17 16:36:24,496 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/bin/ukojak-92XMlrwhuB/data/87213c21d/03c68476522640ce828e6acd22108888 [2022-10-17 16:36:24,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:24,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:24,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:24,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:24,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:24,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:24" (1/1) ... [2022-10-17 16:36:24,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae06677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:24, skipping insertion in model container [2022-10-17 16:36:24,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:24" (1/1) ... [2022-10-17 16:36:24,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:24,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:24,759 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_37a46682-fe51-4bad-b88e-1881f898a5af/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c[5831,5844] [2022-10-17 16:36:24,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:24,856 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:24,918 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_37a46682-fe51-4bad-b88e-1881f898a5af/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c[5831,5844] [2022-10-17 16:36:24,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:24,977 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:24,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:24 WrapperNode [2022-10-17 16:36:24,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:24,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:24,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:24,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:24,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:24" (1/1) ... [2022-10-17 16:36:25,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:24" (1/1) ... [2022-10-17 16:36:25,054 INFO L138 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 203 [2022-10-17 16:36:25,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:25,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:25,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:25,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:25,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:24" (1/1) ... [2022-10-17 16:36:25,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:24" (1/1) ... [2022-10-17 16:36:25,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:24" (1/1) ... [2022-10-17 16:36:25,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:24" (1/1) ... [2022-10-17 16:36:25,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:24" (1/1) ... [2022-10-17 16:36:25,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:24" (1/1) ... [2022-10-17 16:36:25,095 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:24" (1/1) ... [2022-10-17 16:36:25,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:24" (1/1) ... [2022-10-17 16:36:25,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:25,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:25,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:25,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:25,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:24" (1/1) ... [2022-10-17 16:36:25,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:25,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:25,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:25,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:36:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:36:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:36:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:36:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:36:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:36:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:36:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:36:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:36:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:36:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:36:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 16:36:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 16:36:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 16:36:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 16:36:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:36:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:36:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:36:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:25,352 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:25,369 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:25,764 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:25,911 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:25,911 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:36:25,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:25 BoogieIcfgContainer [2022-10-17 16:36:25,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:25,918 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:25,918 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:25,929 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:25,929 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:25" (1/1) ... [2022-10-17 16:36:25,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2022-10-17 16:36:26,000 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-10-17 16:36:26,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:36:26,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:26,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:26,223 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 16:36:26,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:26,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 81 transitions. [2022-10-17 16:36:26,285 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2022-10-17 16:36:26,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:36:26,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:26,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:26,536 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 16:36:26,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:26,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 65 states and 84 transitions. [2022-10-17 16:36:26,576 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2022-10-17 16:36:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:36:26,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:26,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:26,682 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 16:36:26,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 75 states and 105 transitions. [2022-10-17 16:36:26,822 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2022-10-17 16:36:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:36:26,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:26,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:26,912 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 16:36:26,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2022-10-17 16:36:26,923 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2022-10-17 16:36:26,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:36:26,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:26,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:27,023 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 16:36:27,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:27,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 77 states and 107 transitions. [2022-10-17 16:36:27,057 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2022-10-17 16:36:27,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:36:27,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:27,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:27,219 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 16:36:27,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 96 states and 147 transitions. [2022-10-17 16:36:27,446 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 147 transitions. [2022-10-17 16:36:27,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:36:27,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:27,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:27,501 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 16:36:27,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:27,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 97 states and 148 transitions. [2022-10-17 16:36:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 148 transitions. [2022-10-17 16:36:27,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:36:27,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:27,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:27,598 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 16:36:27,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:27,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 103 states and 162 transitions. [2022-10-17 16:36:27,682 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 162 transitions. [2022-10-17 16:36:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:36:27,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:27,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:27,747 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 16:36:27,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:27,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 104 states and 163 transitions. [2022-10-17 16:36:27,765 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 163 transitions. [2022-10-17 16:36:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:36:27,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:27,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:27,829 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 16:36:28,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:28,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 113 states and 181 transitions. [2022-10-17 16:36:28,206 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 181 transitions. [2022-10-17 16:36:28,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:36:28,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:28,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:28,313 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 16:36:28,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:28,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 114 states and 182 transitions. [2022-10-17 16:36:28,341 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 182 transitions. [2022-10-17 16:36:28,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:36:28,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:28,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:28,396 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 16:36:28,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:28,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 115 states and 183 transitions. [2022-10-17 16:36:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 183 transitions. [2022-10-17 16:36:28,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:36:28,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:28,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:28,485 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 16:36:28,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:28,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 116 states and 184 transitions. [2022-10-17 16:36:28,507 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2022-10-17 16:36:28,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:36:28,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:28,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:28,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:36:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 119 states and 192 transitions. [2022-10-17 16:36:28,718 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 192 transitions. [2022-10-17 16:36:28,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:36:28,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:28,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:36:28,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:28,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 123 states and 202 transitions. [2022-10-17 16:36:28,836 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 202 transitions. [2022-10-17 16:36:28,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:36:28,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:28,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:28,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:28,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 129 states and 214 transitions. [2022-10-17 16:36:28,994 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 214 transitions. [2022-10-17 16:36:28,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:36:28,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:28,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:29,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:29,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 133 states and 222 transitions. [2022-10-17 16:36:29,354 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 222 transitions. [2022-10-17 16:36:29,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:36:29,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:29,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:29,404 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:29,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:29,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 134 states and 223 transitions. [2022-10-17 16:36:29,430 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 223 transitions. [2022-10-17 16:36:29,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:36:29,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:29,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:29,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:29,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 135 states and 224 transitions. [2022-10-17 16:36:29,529 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 224 transitions. [2022-10-17 16:36:29,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:36:29,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:29,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:36:29,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:29,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 144 states and 248 transitions. [2022-10-17 16:36:29,824 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 248 transitions. [2022-10-17 16:36:29,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:36:29,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:29,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:36:29,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:29,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 145 states and 248 transitions. [2022-10-17 16:36:29,905 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 248 transitions. [2022-10-17 16:36:29,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:36:29,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:29,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:30,246 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:32,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:32,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 156 states and 273 transitions. [2022-10-17 16:36:32,521 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 273 transitions. [2022-10-17 16:36:32,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:36:32,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:32,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:36:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:32,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 157 states and 274 transitions. [2022-10-17 16:36:32,613 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 274 transitions. [2022-10-17 16:36:32,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:36:32,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:32,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:36:32,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:32,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 158 states and 275 transitions. [2022-10-17 16:36:32,694 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2022-10-17 16:36:32,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:36:32,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:32,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:36:35,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 168 states and 300 transitions. [2022-10-17 16:36:35,030 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 300 transitions. [2022-10-17 16:36:35,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:36:35,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:35,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:35,090 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:36:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:35,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 173 states and 325 transitions. [2022-10-17 16:36:35,578 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 325 transitions. [2022-10-17 16:36:35,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:36:35,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:35,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:35,665 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:36:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:36,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 181 states and 350 transitions. [2022-10-17 16:36:36,118 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 350 transitions. [2022-10-17 16:36:36,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:36:36,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:36,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:36,179 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:36:36,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:36,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 183 states and 354 transitions. [2022-10-17 16:36:36,562 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 354 transitions. [2022-10-17 16:36:36,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:36:36,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:36,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:36,629 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:36:36,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:36,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 184 states and 346 transitions. [2022-10-17 16:36:36,948 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 346 transitions. [2022-10-17 16:36:36,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:36:36,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:36,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:37,009 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:36:37,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:37,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 185 states and 347 transitions. [2022-10-17 16:36:37,043 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 347 transitions. [2022-10-17 16:36:37,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:36:37,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:37,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:37,126 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:36:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 186 states and 348 transitions. [2022-10-17 16:36:37,158 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 348 transitions. [2022-10-17 16:36:37,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:36:37,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:37,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:37,198 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:36:37,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:37,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 193 states and 362 transitions. [2022-10-17 16:36:37,696 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 362 transitions. [2022-10-17 16:36:37,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:36:37,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:37,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:36:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:37,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 194 states and 365 transitions. [2022-10-17 16:36:37,759 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 365 transitions. [2022-10-17 16:36:37,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:36:37,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:37,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:36:37,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:37,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 195 states and 366 transitions. [2022-10-17 16:36:37,842 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 366 transitions. [2022-10-17 16:36:37,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:36:37,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:37,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:36:38,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 200 states and 375 transitions. [2022-10-17 16:36:38,035 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 375 transitions. [2022-10-17 16:36:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:36:38,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:38,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:38,101 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-17 16:36:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 201 states and 375 transitions. [2022-10-17 16:36:38,127 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 375 transitions. [2022-10-17 16:36:38,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:36:38,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:38,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-17 16:36:38,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:38,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 202 states and 376 transitions. [2022-10-17 16:36:38,238 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 376 transitions. [2022-10-17 16:36:38,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:36:38,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:38,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:38,300 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:36:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 203 states and 379 transitions. [2022-10-17 16:36:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 379 transitions. [2022-10-17 16:36:38,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:36:38,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:38,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:38,481 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:36:38,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:38,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 64 states and 87 transitions. [2022-10-17 16:36:38,511 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2022-10-17 16:36:38,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:36:38,512 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 40 iterations. [2022-10-17 16:36:38,520 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:36:38,838 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:38,843 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2022-10-17 16:36:38,848 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:38,849 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:38,849 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:38,849 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:38,849 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:38,849 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:38,849 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-10-17 16:36:38,851 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:38,851 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:38,852 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:38,852 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-10-17 16:36:38,853 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-10-17 16:36:38,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:36:38 ImpRootNode [2022-10-17 16:36:38,854 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:36:38,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:36:38,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:36:38,855 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:36:38,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:25" (3/4) ... [2022-10-17 16:36:38,862 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:36:38,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 16:36:38,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 16:36:38,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 16:36:38,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 16:36:38,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 16:36:38,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 16:36:38,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:36:38,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 16:36:38,888 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2022-10-17 16:36:38,888 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-10-17 16:36:38,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:36:38,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:36:38,891 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:36:38,891 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:36:38,892 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:36:38,925 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || (!(1 == systemActive) && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 == systemActive)) || !(methAndRunningLastTime == 0) [2022-10-17 16:36:38,989 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:36:38,989 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:36:38,990 INFO L158 Benchmark]: Toolchain (without parser) took 14489.94ms. Allocated memory was 98.6MB in the beginning and 218.1MB in the end (delta: 119.5MB). Free memory was 68.8MB in the beginning and 87.2MB in the end (delta: -18.4MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2022-10-17 16:36:38,990 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 73.4MB. Free memory was 52.2MB in the beginning and 52.2MB in the end (delta: 51.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:36:38,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.64ms. Allocated memory is still 98.6MB. Free memory was 68.6MB in the beginning and 50.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:36:38,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.43ms. Allocated memory is still 98.6MB. Free memory was 50.1MB in the beginning and 47.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:38,991 INFO L158 Benchmark]: Boogie Preprocessor took 60.36ms. Allocated memory is still 98.6MB. Free memory was 47.8MB in the beginning and 46.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:38,991 INFO L158 Benchmark]: RCFGBuilder took 797.77ms. Allocated memory is still 98.6MB. Free memory was 46.2MB in the beginning and 55.2MB in the end (delta: -9.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-10-17 16:36:38,992 INFO L158 Benchmark]: CodeCheck took 12936.45ms. Allocated memory was 98.6MB in the beginning and 218.1MB in the end (delta: 119.5MB). Free memory was 54.9MB in the beginning and 91.4MB in the end (delta: -36.5MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2022-10-17 16:36:38,992 INFO L158 Benchmark]: Witness Printer took 134.58ms. Allocated memory is still 218.1MB. Free memory was 91.4MB in the beginning and 87.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:36:38,994 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, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.6s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12522 SdHoareTripleChecker+Valid, 20.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6441 mSDsluCounter, 15071 SdHoareTripleChecker+Invalid, 16.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11451 mSDsCounter, 2795 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11174 IncrementalHoareTripleChecker+Invalid, 13969 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2795 mSolverCounterUnsat, 4358 mSDtfsCounter, 11174 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15407 GetRequests, 15205 SyntacticMatches, 16 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16764 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1621 NumberOfCodeBlocks, 1621 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1582 ConstructedInterpolants, 0 QuantifiedInterpolants, 3006 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 38 PerfectInterpolantSequences, 499/500 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: 380]: 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: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || (!(1 == systemActive) && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 == systemActive)) || !(methAndRunningLastTime == 0) - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: (methAndRunningLastTime == 0 || 1 <= methaneLevelCritical) || methaneLevelCritical + 1 <= 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: ((tmp <= 0 || tmp <= methaneLevelCritical) && (methaneLevelCritical <= tmp || 0 < tmp + 1)) || !(methAndRunningLastTime == 0) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 73.4MB. Free memory was 52.2MB in the beginning and 52.2MB in the end (delta: 51.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.64ms. Allocated memory is still 98.6MB. Free memory was 68.6MB in the beginning and 50.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.43ms. Allocated memory is still 98.6MB. Free memory was 50.1MB in the beginning and 47.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.36ms. Allocated memory is still 98.6MB. Free memory was 47.8MB in the beginning and 46.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 797.77ms. Allocated memory is still 98.6MB. Free memory was 46.2MB in the beginning and 55.2MB in the end (delta: -9.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * CodeCheck took 12936.45ms. Allocated memory was 98.6MB in the beginning and 218.1MB in the end (delta: 119.5MB). Free memory was 54.9MB in the beginning and 91.4MB in the end (delta: -36.5MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. * Witness Printer took 134.58ms. Allocated memory is still 218.1MB. Free memory was 91.4MB in the beginning and 87.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:36:39,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a46682-fe51-4bad-b88e-1881f898a5af/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