./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/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_de84a066-b5e2-48c6-8024-525570114712/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/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_de84a066-b5e2-48c6-8024-525570114712/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 a933c7098679a6972748d486040a9bdf507acce33a33e1309286157bdff8c762 --- 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 17:00:12,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:12,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:12,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:12,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:12,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:12,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:12,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:12,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:12,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:12,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:12,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:12,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:12,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:12,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:12,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:12,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:12,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:12,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:12,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:12,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:12,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:12,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:12,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:12,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:12,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:12,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:12,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:12,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:12,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:12,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:12,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:12,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:12,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:12,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:12,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:12,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:12,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:12,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:12,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:12,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:12,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:00:12,383 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:12,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:12,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:12,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:12,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:12,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:12,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:12,388 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:12,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:12,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:12,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:12,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:12,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:12,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:12,392 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:12,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:12,392 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:12,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:12,393 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:12,393 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:12,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:12,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:12,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:12,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:12,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:12,395 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:12,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:12,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:12,396 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_de84a066-b5e2-48c6-8024-525570114712/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a933c7098679a6972748d486040a9bdf507acce33a33e1309286157bdff8c762 [2022-10-17 17:00:12,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:12,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:12,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:12,902 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:12,904 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:12,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2022-10-17 17:00:13,031 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/bin/ukojak-92XMlrwhuB/data/e4a19812d/309cb9c7783344798849ed51c3376217/FLAGc86c69f00 [2022-10-17 17:00:13,734 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:13,734 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2022-10-17 17:00:13,756 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/bin/ukojak-92XMlrwhuB/data/e4a19812d/309cb9c7783344798849ed51c3376217/FLAGc86c69f00 [2022-10-17 17:00:13,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/bin/ukojak-92XMlrwhuB/data/e4a19812d/309cb9c7783344798849ed51c3376217 [2022-10-17 17:00:14,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:14,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:14,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:14,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:14,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:14,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178f22ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14, skipping insertion in model container [2022-10-17 17:00:14,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:14,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:14,567 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_de84a066-b5e2-48c6-8024-525570114712/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c[18260,18273] [2022-10-17 17:00:14,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:14,595 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:14,760 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_de84a066-b5e2-48c6-8024-525570114712/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c[18260,18273] [2022-10-17 17:00:14,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:14,793 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:14,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14 WrapperNode [2022-10-17 17:00:14,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:14,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:14,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:14,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:14,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,894 INFO L138 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 251 [2022-10-17 17:00:14,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:14,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:14,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:14,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:14,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,960 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:14,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:14,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:14,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:14,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:15,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:15,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:15,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 17:00:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 17:00:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 17:00:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 17:00:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 17:00:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 17:00:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 17:00:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 17:00:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-10-17 17:00:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-10-17 17:00:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 17:00:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 17:00:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 17:00:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 17:00:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:15,187 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:15,190 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:15,697 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:15,847 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:15,848 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:00:15,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:15 BoogieIcfgContainer [2022-10-17 17:00:15,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:15,854 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:15,854 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:15,872 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:15,873 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:15" (1/1) ... [2022-10-17 17:00:15,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:15,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:15,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 60 states and 82 transitions. [2022-10-17 17:00:15,986 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-10-17 17:00:15,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:00:15,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:15,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:16,332 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 17:00:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:16,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2022-10-17 17:00:16,410 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2022-10-17 17:00:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:00:16,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:16,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:16,652 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 17:00:16,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 62 states and 83 transitions. [2022-10-17 17:00:16,686 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-10-17 17:00:16,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:00:16,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:16,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:16,920 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 17:00:16,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2022-10-17 17:00:16,996 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2022-10-17 17:00:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:00:16,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:16,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:17,123 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 17:00:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:17,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 73 states and 103 transitions. [2022-10-17 17:00:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2022-10-17 17:00:17,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:00:17,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:17,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:17,420 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 17:00:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 104 transitions. [2022-10-17 17:00:17,440 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2022-10-17 17:00:17,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:00:17,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:17,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:17,642 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 17:00:18,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:18,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 90 states and 135 transitions. [2022-10-17 17:00:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 135 transitions. [2022-10-17 17:00:18,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:00:18,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:18,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:18,399 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 17:00:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 91 states and 136 transitions. [2022-10-17 17:00:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2022-10-17 17:00:18,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:00:18,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:18,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:18,556 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 17:00:18,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:18,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 145 transitions. [2022-10-17 17:00:18,606 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 145 transitions. [2022-10-17 17:00:18,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:00:18,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:18,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:18,655 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 17:00:18,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:18,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 96 states and 146 transitions. [2022-10-17 17:00:18,711 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 146 transitions. [2022-10-17 17:00:18,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:00:18,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:18,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:18,795 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 17:00:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:18,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 97 states and 147 transitions. [2022-10-17 17:00:18,817 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 147 transitions. [2022-10-17 17:00:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:00:18,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:18,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:19,047 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 17:00:19,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:19,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 112 states and 183 transitions. [2022-10-17 17:00:19,832 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 183 transitions. [2022-10-17 17:00:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:00:19,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:19,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:20,060 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 17:00:20,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:20,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 113 states and 184 transitions. [2022-10-17 17:00:20,088 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 184 transitions. [2022-10-17 17:00:20,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:00:20,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:20,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:20,518 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 17:00:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:21,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 126 states and 216 transitions. [2022-10-17 17:00:21,411 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 216 transitions. [2022-10-17 17:00:21,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:00:21,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:21,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:21,555 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 17:00:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:21,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 127 states and 217 transitions. [2022-10-17 17:00:21,593 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 217 transitions. [2022-10-17 17:00:21,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:00:21,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:21,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:21,825 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 17:00:21,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:21,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 128 states and 218 transitions. [2022-10-17 17:00:21,850 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 218 transitions. [2022-10-17 17:00:21,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:00:21,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:21,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:22,061 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 17:00:22,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 129 states and 219 transitions. [2022-10-17 17:00:22,088 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2022-10-17 17:00:22,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:00:22,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:22,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:22,138 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 17:00:22,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:22,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 138 states and 239 transitions. [2022-10-17 17:00:22,465 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 239 transitions. [2022-10-17 17:00:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:00:22,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:22,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:22,537 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 17:00:22,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:22,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 144 states and 251 transitions. [2022-10-17 17:00:22,741 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 251 transitions. [2022-10-17 17:00:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:00:22,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:22,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:22,801 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 17:00:22,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:22,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 145 states and 252 transitions. [2022-10-17 17:00:22,827 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 252 transitions. [2022-10-17 17:00:22,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:00:22,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:22,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:22,884 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 17:00:22,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:22,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 146 states and 253 transitions. [2022-10-17 17:00:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 253 transitions. [2022-10-17 17:00:22,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:00:22,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:22,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:23,047 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 17:00:23,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:23,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 147 states and 255 transitions. [2022-10-17 17:00:23,086 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 255 transitions. [2022-10-17 17:00:23,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:00:23,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:23,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:23,145 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 17:00:23,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:23,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 148 states and 257 transitions. [2022-10-17 17:00:23,181 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 257 transitions. [2022-10-17 17:00:23,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:00:23,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:23,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:23,326 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 17:00:23,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:23,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 160 states and 292 transitions. [2022-10-17 17:00:23,855 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 292 transitions. [2022-10-17 17:00:23,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:00:23,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:23,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:26,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:26,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 168 states and 324 transitions. [2022-10-17 17:00:26,294 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 324 transitions. [2022-10-17 17:00:26,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:00:26,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:26,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:26,372 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 17:00:26,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 169 states and 325 transitions. [2022-10-17 17:00:26,402 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 325 transitions. [2022-10-17 17:00:26,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:00:26,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:26,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:26,477 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 17:00:26,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:26,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 170 states and 326 transitions. [2022-10-17 17:00:26,501 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 326 transitions. [2022-10-17 17:00:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:00:26,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:26,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:00:26,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:26,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 171 states and 324 transitions. [2022-10-17 17:00:26,834 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 324 transitions. [2022-10-17 17:00:26,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:00:26,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:26,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:26,983 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 17:00:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 174 states and 336 transitions. [2022-10-17 17:00:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 336 transitions. [2022-10-17 17:00:27,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:00:27,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:27,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:00:27,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:27,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 176 states and 343 transitions. [2022-10-17 17:00:27,516 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 343 transitions. [2022-10-17 17:00:27,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:00:27,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:27,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:00:27,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:27,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 174 states and 335 transitions. [2022-10-17 17:00:27,637 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 335 transitions. [2022-10-17 17:00:27,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:00:27,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:27,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:27,717 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 17:00:28,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 177 states and 341 transitions. [2022-10-17 17:00:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 341 transitions. [2022-10-17 17:00:28,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:00:28,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:28,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:28,742 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 17:00:28,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:28,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 183 states and 351 transitions. [2022-10-17 17:00:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 351 transitions. [2022-10-17 17:00:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:00:28,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:28,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:28,885 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:00:29,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:29,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 186 states and 357 transitions. [2022-10-17 17:00:29,960 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 357 transitions. [2022-10-17 17:00:29,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:00:29,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:29,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:30,027 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 17:00:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 189 states and 368 transitions. [2022-10-17 17:00:30,575 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 368 transitions. [2022-10-17 17:00:30,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:00:30,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:30,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:30,638 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 17:00:31,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:31,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 193 states and 377 transitions. [2022-10-17 17:00:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 377 transitions. [2022-10-17 17:00:31,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:00:31,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:31,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:31,465 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 17:00:31,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:31,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 196 states and 383 transitions. [2022-10-17 17:00:31,981 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 383 transitions. [2022-10-17 17:00:31,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:00:31,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:31,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:34,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:34,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 200 states and 391 transitions. [2022-10-17 17:00:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 391 transitions. [2022-10-17 17:00:34,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:00:34,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:34,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:34,691 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 17:00:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 201 states and 392 transitions. [2022-10-17 17:00:34,725 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 392 transitions. [2022-10-17 17:00:34,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:00:34,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:34,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:35,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:35,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 201 states and 387 transitions. [2022-10-17 17:00:35,098 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 387 transitions. [2022-10-17 17:00:35,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:00:35,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:35,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:35,143 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 17:00:35,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:35,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 202 states and 388 transitions. [2022-10-17 17:00:35,171 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 388 transitions. [2022-10-17 17:00:35,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:00:35,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:35,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:35,211 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 17:00:35,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:35,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 203 states and 391 transitions. [2022-10-17 17:00:35,542 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 391 transitions. [2022-10-17 17:00:35,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 17:00:35,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:35,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:35,588 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 17:00:35,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 208 states and 400 transitions. [2022-10-17 17:00:35,767 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 400 transitions. [2022-10-17 17:00:35,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:00:35,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:35,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:35,812 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 17:00:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:35,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 209 states and 400 transitions. [2022-10-17 17:00:35,840 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 400 transitions. [2022-10-17 17:00:35,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:00:35,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:35,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:35,880 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 17:00:35,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:35,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 210 states and 401 transitions. [2022-10-17 17:00:35,920 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 401 transitions. [2022-10-17 17:00:35,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 17:00:35,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:35,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:35,966 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 17:00:35,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 211 states and 402 transitions. [2022-10-17 17:00:36,001 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 402 transitions. [2022-10-17 17:00:36,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 17:00:36,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:36,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:36,351 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:00:38,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 115 states and 167 transitions. [2022-10-17 17:00:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 167 transitions. [2022-10-17 17:00:38,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:00:38,447 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 47 iterations. [2022-10-17 17:00:38,455 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 17:00:38,766 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:00:38,770 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2022-10-17 17:00:38,774 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:00:38,774 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:00:38,774 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:00:38,774 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:00:38,774 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:00:38,774 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:00:38,775 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2022-10-17 17:00:38,776 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:00:38,776 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:00:38,776 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:00:38,776 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:00:38,777 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:00:38,777 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-10-17 17:00:38,777 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-10-17 17:00:38,778 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-10-17 17:00:38,778 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:00:38,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:00:38 ImpRootNode [2022-10-17 17:00:38,779 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:00:38,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:00:38,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:00:38,780 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:00:38,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:15" (3/4) ... [2022-10-17 17:00:38,783 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:00:38,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 17:00:38,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 17:00:38,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 17:00:38,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 17:00:38,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 17:00:38,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 17:00:38,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-10-17 17:00:38,799 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2022-10-17 17:00:38,799 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-10-17 17:00:38,800 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 17:00:38,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 17:00:38,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 17:00:38,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:00:38,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:00:38,829 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && !(0 == systemActive)) [2022-10-17 17:00:38,829 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && waterLevel == 1)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || ((!(waterLevel == 1) && !(\old(pumpRunning) == 0)) && !(2 <= waterLevel)) [2022-10-17 17:00:38,830 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2022-10-17 17:00:38,831 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || tmp == waterLevel) || !(!(\old(pumpRunning) == 0) || \old(waterLevel) == tmp) [2022-10-17 17:00:38,869 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:00:38,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:00:38,870 INFO L158 Benchmark]: Toolchain (without parser) took 24866.18ms. Allocated memory was 92.3MB in the beginning and 390.1MB in the end (delta: 297.8MB). Free memory was 50.7MB in the beginning and 233.6MB in the end (delta: -182.9MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. [2022-10-17 17:00:38,870 INFO L158 Benchmark]: CDTParser took 13.35ms. Allocated memory is still 92.3MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:38,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 788.54ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 50.5MB in the beginning and 105.8MB in the end (delta: -55.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:00:38,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.03ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 103.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:38,872 INFO L158 Benchmark]: Boogie Preprocessor took 86.13ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 102.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:38,872 INFO L158 Benchmark]: RCFGBuilder took 870.68ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 74.3MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-10-17 17:00:38,873 INFO L158 Benchmark]: CodeCheck took 22924.60ms. Allocated memory was 142.6MB in the beginning and 390.1MB in the end (delta: 247.5MB). Free memory was 74.3MB in the beginning and 238.9MB in the end (delta: -164.5MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. [2022-10-17 17:00:38,873 INFO L158 Benchmark]: Witness Printer took 89.96ms. Allocated memory is still 390.1MB. Free memory was 238.9MB in the beginning and 233.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:00:38,875 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.5s, OverallIterations: 47, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16254 SdHoareTripleChecker+Valid, 37.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8265 mSDsluCounter, 17552 SdHoareTripleChecker+Invalid, 31.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13457 mSDsCounter, 5647 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21074 IncrementalHoareTripleChecker+Invalid, 26721 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5647 mSolverCounterUnsat, 4645 mSDtfsCounter, 21074 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19039 GetRequests, 18654 SyntacticMatches, 83 SemanticMatches, 302 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41987 ImplicationChecksByTransitivity, 14.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1727 NumberOfCodeBlocks, 1727 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1681 ConstructedInterpolants, 0 QuantifiedInterpolants, 4364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 37 PerfectInterpolantSequences, 478/511 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: 956]: 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: 780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && waterLevel == 1)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || ((!(waterLevel == 1) && !(\old(pumpRunning) == 0)) && !(2 <= waterLevel)) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 891]: 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: ((tmp == systemActive && pumpRunning == 0) && tmp == 1) && waterLevel == 1 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || tmp == waterLevel) || !(!(\old(pumpRunning) == 0) || \old(waterLevel) == tmp) - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 13.35ms. Allocated memory is still 92.3MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 788.54ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 50.5MB in the beginning and 105.8MB in the end (delta: -55.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.03ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 103.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.13ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 102.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 870.68ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 74.3MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 22924.60ms. Allocated memory was 142.6MB in the beginning and 390.1MB in the end (delta: 247.5MB). Free memory was 74.3MB in the beginning and 238.9MB in the end (delta: -164.5MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. * Witness Printer took 89.96ms. Allocated memory is still 390.1MB. Free memory was 238.9MB in the beginning and 233.6MB 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 17:00:38,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de84a066-b5e2-48c6-8024-525570114712/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