./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.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_3a94e038-3f33-415e-8e9b-bca2844eb7d5/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a94e038-3f33-415e-8e9b-bca2844eb7d5/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_3a94e038-3f33-415e-8e9b-bca2844eb7d5/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a94e038-3f33-415e-8e9b-bca2844eb7d5/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a94e038-3f33-415e-8e9b-bca2844eb7d5/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_3a94e038-3f33-415e-8e9b-bca2844eb7d5/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 02fb1fa00f2030f7900be70496baf2f4c44344da378fa11ef09f1f26dc14ae9d --- 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 16:39:58,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:58,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:59,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:59,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:59,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:59,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:59,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:59,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:59,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:59,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:59,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:59,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:59,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:59,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:59,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:59,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:59,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:59,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:59,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:59,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:59,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:59,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:59,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:59,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:59,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:59,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:59,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:59,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:59,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:59,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:59,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:59,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:59,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:59,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:59,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:59,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:59,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:59,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:59,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:59,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:59,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a94e038-3f33-415e-8e9b-bca2844eb7d5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:39:59,158 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:59,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:59,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:59,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:59,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:59,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:59,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:59,161 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:59,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:59,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:59,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:59,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:59,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:59,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:59,164 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:59,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:59,165 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:59,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:59,165 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:59,165 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:59,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:59,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:59,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:59,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:59,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:59,167 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:59,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:59,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:59,168 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_3a94e038-3f33-415e-8e9b-bca2844eb7d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a94e038-3f33-415e-8e9b-bca2844eb7d5/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02fb1fa00f2030f7900be70496baf2f4c44344da378fa11ef09f1f26dc14ae9d [2022-10-17 16:39:59,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:59,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:59,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:59,490 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:59,491 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:59,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a94e038-3f33-415e-8e9b-bca2844eb7d5/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2022-10-17 16:39:59,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a94e038-3f33-415e-8e9b-bca2844eb7d5/bin/ukojak-92XMlrwhuB/data/e257d1337/f258631e674e4b7fb703a53b3139007e/FLAGed7e04772 [2022-10-17 16:40:00,109 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:00,110 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a94e038-3f33-415e-8e9b-bca2844eb7d5/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2022-10-17 16:40:00,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a94e038-3f33-415e-8e9b-bca2844eb7d5/bin/ukojak-92XMlrwhuB/data/e257d1337/f258631e674e4b7fb703a53b3139007e/FLAGed7e04772 [2022-10-17 16:40:00,422 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a94e038-3f33-415e-8e9b-bca2844eb7d5/bin/ukojak-92XMlrwhuB/data/e257d1337/f258631e674e4b7fb703a53b3139007e [2022-10-17 16:40:00,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:00,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:00,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:00,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:00,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:00,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:00" (1/1) ... [2022-10-17 16:40:00,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17dd16d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:00, skipping insertion in model container [2022-10-17 16:40:00,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:00" (1/1) ... [2022-10-17 16:40:00,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:00,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:00,796 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_3a94e038-3f33-415e-8e9b-bca2844eb7d5/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[17174,17187] [2022-10-17 16:40:00,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:00,822 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:00,912 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_3a94e038-3f33-415e-8e9b-bca2844eb7d5/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[17174,17187] [2022-10-17 16:40:00,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:00,953 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:00,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:00 WrapperNode [2022-10-17 16:40:00,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:00,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:00,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:00,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:00,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:00" (1/1) ... [2022-10-17 16:40:00,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:00" (1/1) ... [2022-10-17 16:40:01,019 INFO L138 Inliner]: procedures = 56, calls = 157, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 249 [2022-10-17 16:40:01,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:01,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:01,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:01,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:01,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:00" (1/1) ... [2022-10-17 16:40:01,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:00" (1/1) ... [2022-10-17 16:40:01,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:00" (1/1) ... [2022-10-17 16:40:01,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:00" (1/1) ... [2022-10-17 16:40:01,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:00" (1/1) ... [2022-10-17 16:40:01,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:00" (1/1) ... [2022-10-17 16:40:01,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:00" (1/1) ... [2022-10-17 16:40:01,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:00" (1/1) ... [2022-10-17 16:40:01,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:01,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:01,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:01,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:01,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:00" (1/1) ... [2022-10-17 16:40:01,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:01,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a94e038-3f33-415e-8e9b-bca2844eb7d5/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:01,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a94e038-3f33-415e-8e9b-bca2844eb7d5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:01,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a94e038-3f33-415e-8e9b-bca2844eb7d5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 16:40:01,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 16:40:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:40:01,151 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:40:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:40:01,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:40:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:40:01,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:40:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:40:01,152 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:40:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:40:01,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:40:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 16:40:01,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 16:40:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:40:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:40:01,154 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:40:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:01,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:01,248 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:01,250 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:01,728 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:01,937 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:01,937 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:40:01,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:01 BoogieIcfgContainer [2022-10-17 16:40:01,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:01,947 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:01,948 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:01,958 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:01,958 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:01" (1/1) ... [2022-10-17 16:40:01,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:40:02,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:02,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2022-10-17 16:40:02,078 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2022-10-17 16:40:02,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:40:02,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:02,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:02,393 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 16:40:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:02,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2022-10-17 16:40:02,453 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2022-10-17 16:40:02,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:40:02,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:02,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:02,630 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 16:40:02,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:02,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2022-10-17 16:40:02,665 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2022-10-17 16:40:02,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:40:02,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:02,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:02,903 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 16:40:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:03,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 79 states and 109 transitions. [2022-10-17 16:40:03,120 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2022-10-17 16:40:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:40:03,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:03,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:03,222 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 16:40:03,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:03,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 95 states and 141 transitions. [2022-10-17 16:40:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2022-10-17 16:40:03,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:40:03,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:03,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:03,827 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 16:40:03,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:03,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 96 states and 142 transitions. [2022-10-17 16:40:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 142 transitions. [2022-10-17 16:40:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:40:03,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:03,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:04,233 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 16:40:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:05,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 107 states and 169 transitions. [2022-10-17 16:40:05,168 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 169 transitions. [2022-10-17 16:40:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:40:05,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:05,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:05,352 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 16:40:06,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:06,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 121 states and 203 transitions. [2022-10-17 16:40:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 203 transitions. [2022-10-17 16:40:06,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:40:06,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:06,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:06,513 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 16:40:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:06,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 125 states and 212 transitions. [2022-10-17 16:40:06,681 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2022-10-17 16:40:06,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:40:06,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:06,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:06,756 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 16:40:07,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:07,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 132 states and 230 transitions. [2022-10-17 16:40:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 230 transitions. [2022-10-17 16:40:07,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:40:07,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:07,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:07,231 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 16:40:07,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:07,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 135 states and 236 transitions. [2022-10-17 16:40:07,408 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 236 transitions. [2022-10-17 16:40:07,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:40:07,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:07,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:07,465 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 16:40:07,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:07,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 139 states and 249 transitions. [2022-10-17 16:40:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 249 transitions. [2022-10-17 16:40:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:40:07,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:07,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:07,706 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 16:40:08,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:08,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 144 states and 263 transitions. [2022-10-17 16:40:08,137 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 263 transitions. [2022-10-17 16:40:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:40:08,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:08,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:08,380 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:08,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 147 states and 271 transitions. [2022-10-17 16:40:08,946 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 271 transitions. [2022-10-17 16:40:08,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:40:08,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:08,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:08,995 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 16:40:09,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 148 states and 272 transitions. [2022-10-17 16:40:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 272 transitions. [2022-10-17 16:40:09,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:40:09,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:09,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:40:09,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:09,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 151 states and 278 transitions. [2022-10-17 16:40:09,262 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 278 transitions. [2022-10-17 16:40:09,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:40:09,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:09,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:09,319 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 16:40:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:09,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 153 states and 283 transitions. [2022-10-17 16:40:09,399 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 283 transitions. [2022-10-17 16:40:09,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:40:09,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:09,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:11,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:11,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 165 states and 312 transitions. [2022-10-17 16:40:11,517 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 312 transitions. [2022-10-17 16:40:11,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:40:11,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:11,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:11,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 166 states and 313 transitions. [2022-10-17 16:40:11,702 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 313 transitions. [2022-10-17 16:40:11,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:40:11,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:11,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:11,779 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 16:40:11,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:11,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 167 states and 314 transitions. [2022-10-17 16:40:11,817 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 314 transitions. [2022-10-17 16:40:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:40:11,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:11,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:40:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 176 states and 338 transitions. [2022-10-17 16:40:13,169 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 338 transitions. [2022-10-17 16:40:13,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:40:13,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:13,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-17 16:40:13,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:13,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 177 states and 339 transitions. [2022-10-17 16:40:13,358 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 339 transitions. [2022-10-17 16:40:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:40:13,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:13,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:13,776 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:16,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 188 states and 372 transitions. [2022-10-17 16:40:16,352 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 372 transitions. [2022-10-17 16:40:16,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:40:16,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:16,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:16,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 189 states and 377 transitions. [2022-10-17 16:40:16,826 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 377 transitions. [2022-10-17 16:40:16,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:40:16,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:16,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:16,926 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:40:16,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 190 states and 378 transitions. [2022-10-17 16:40:16,960 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 378 transitions. [2022-10-17 16:40:16,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:40:16,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:16,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:17,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:17,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 191 states and 379 transitions. [2022-10-17 16:40:17,163 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 379 transitions. [2022-10-17 16:40:17,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:40:17,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:17,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:17,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 191 states and 376 transitions. [2022-10-17 16:40:17,524 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 376 transitions. [2022-10-17 16:40:17,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:40:17,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:17,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:17,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:17,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 187 states and 366 transitions. [2022-10-17 16:40:17,814 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 366 transitions. [2022-10-17 16:40:17,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:40:17,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:17,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-17 16:40:17,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:17,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 188 states and 367 transitions. [2022-10-17 16:40:17,909 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 367 transitions. [2022-10-17 16:40:17,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:40:17,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:17,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:18,007 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:40:21,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 203 states and 417 transitions. [2022-10-17 16:40:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 417 transitions. [2022-10-17 16:40:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:40:21,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:21,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:40:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:21,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 210 states and 439 transitions. [2022-10-17 16:40:21,795 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 439 transitions. [2022-10-17 16:40:21,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:40:21,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:21,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:22,071 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:40:23,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:23,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 213 states and 447 transitions. [2022-10-17 16:40:23,097 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 447 transitions. [2022-10-17 16:40:23,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:40:23,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:23,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:40:23,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:23,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 214 states and 451 transitions. [2022-10-17 16:40:23,750 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 451 transitions. [2022-10-17 16:40:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:40:23,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:23,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:23,945 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:40:24,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:24,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 216 states and 454 transitions. [2022-10-17 16:40:24,231 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 454 transitions. [2022-10-17 16:40:24,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:40:24,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:24,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:24,397 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:40:25,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:25,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 224 states and 473 transitions. [2022-10-17 16:40:25,866 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 473 transitions. [2022-10-17 16:40:25,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:40:25,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:25,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:26,414 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:40:27,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:27,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 228 states and 479 transitions. [2022-10-17 16:40:27,071 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 479 transitions. [2022-10-17 16:40:27,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:40:27,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:27,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:27,136 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:40:27,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:27,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 231 states and 484 transitions. [2022-10-17 16:40:27,633 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 484 transitions. [2022-10-17 16:40:27,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:40:27,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:27,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:27,736 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:40:27,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:27,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 231 states and 484 transitions. [2022-10-17 16:40:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 484 transitions. [2022-10-17 16:40:27,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:40:27,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:27,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:27,896 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:40:27,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 231 states and 484 transitions. [2022-10-17 16:40:27,922 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 484 transitions. [2022-10-17 16:40:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:40:27,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:27,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:28,140 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.