./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI --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 cb53e49317620dbde25b1d7f6fa7078b4950e13e4d138c624b27be1c4ee0f3ad .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:03:24,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:03:24,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:03:24,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:03:24,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:03:24,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:03:24,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:03:24,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:03:24,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:03:24,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:03:24,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:03:24,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:03:24,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:03:24,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:03:24,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:03:24,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:03:24,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:03:24,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:03:25,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:03:25,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:03:25,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:03:25,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:03:25,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:03:25,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:03:25,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:03:25,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:03:25,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:03:25,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:03:25,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:03:25,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:03:25,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:03:25,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:03:25,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:03:25,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:03:25,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:03:25,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:03:25,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:03:25,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:03:25,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:03:25,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:03:25,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:03:25,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:03:25,068 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:03:25,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:03:25,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:03:25,073 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:03:25,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:03:25,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:03:25,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:03:25,074 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:03:25,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:03:25,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:03:25,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:03:25,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:03:25,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:03:25,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:03:25,077 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:03:25,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:03:25,078 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:03:25,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:03:25,078 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:03:25,078 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:03:25,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:03:25,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:03:25,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:03:25,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:03:25,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:03:25,080 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:03:25,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:03:25,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:03:25,081 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_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb53e49317620dbde25b1d7f6fa7078b4950e13e4d138c624b27be1c4ee0f3ad [2021-10-29 03:03:25,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:03:25,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:03:25,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:03:25,364 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:03:25,365 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:03:25,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c [2021-10-29 03:03:25,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/data/ce26aac06/a7ee81bb23db4a0497d7ab5025978746/FLAGd4c8005cb [2021-10-29 03:03:26,028 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:03:26,029 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c [2021-10-29 03:03:26,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/data/ce26aac06/a7ee81bb23db4a0497d7ab5025978746/FLAGd4c8005cb [2021-10-29 03:03:26,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/data/ce26aac06/a7ee81bb23db4a0497d7ab5025978746 [2021-10-29 03:03:26,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:03:26,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:03:26,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:03:26,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:03:26,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:03:26,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:03:26" (1/1) ... [2021-10-29 03:03:26,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103cea75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:03:26, skipping insertion in model container [2021-10-29 03:03:26,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:03:26" (1/1) ... [2021-10-29 03:03:26,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:03:26,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:03:26,579 WARN L228 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_90724e53-266b-4ca7-90c9-b0857863b817/sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c[1605,1618] [2021-10-29 03:03:26,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:03:26,745 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:03:26,766 WARN L228 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_90724e53-266b-4ca7-90c9-b0857863b817/sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c[1605,1618] [2021-10-29 03:03:26,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:03:26,895 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:03:26,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:03:26 WrapperNode [2021-10-29 03:03:26,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:03:26,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:03:26,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:03:26,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:03:26,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:03:26" (1/1) ... [2021-10-29 03:03:26,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:03:26" (1/1) ... [2021-10-29 03:03:26,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:03:26,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:03:26,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:03:26,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:03:26,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:03:26" (1/1) ... [2021-10-29 03:03:26,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:03:26" (1/1) ... [2021-10-29 03:03:27,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:03:26" (1/1) ... [2021-10-29 03:03:27,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:03:26" (1/1) ... [2021-10-29 03:03:27,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:03:26" (1/1) ... [2021-10-29 03:03:27,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:03:26" (1/1) ... [2021-10-29 03:03:27,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:03:26" (1/1) ... [2021-10-29 03:03:27,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:03:27,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:03:27,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:03:27,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:03:27,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:03:26" (1/1) ... [2021-10-29 03:03:27,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:03:27,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:03:27,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:03:27,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:03:27,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:03:27,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-10-29 03:03:27,132 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-10-29 03:03:27,132 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-10-29 03:03:27,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-10-29 03:03:27,132 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-10-29 03:03:27,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-10-29 03:03:27,133 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-10-29 03:03:27,133 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-10-29 03:03:27,133 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-10-29 03:03:27,133 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-10-29 03:03:27,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:03:27,133 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-10-29 03:03:27,133 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-10-29 03:03:27,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:03:27,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:03:28,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:03:28,506 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-29 03:03:28,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:03:28 BoogieIcfgContainer [2021-10-29 03:03:28,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:03:28,510 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:03:28,510 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:03:28,520 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:03:28,520 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:03:28" (1/1) ... [2021-10-29 03:03:28,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:03:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:28,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2021-10-29 03:03:28,585 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2021-10-29 03:03:28,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:03:28,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:28,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:03:28,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:28,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2021-10-29 03:03:28,932 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2021-10-29 03:03:28,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:03:28,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:28,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:29,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:03:29,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:29,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2021-10-29 03:03:29,122 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2021-10-29 03:03:29,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:03:29,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:29,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:29,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:03:29,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:29,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2021-10-29 03:03:29,452 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2021-10-29 03:03:29,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:03:29,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:29,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:03:29,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2021-10-29 03:03:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2021-10-29 03:03:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:03:29,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:29,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:03:30,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:30,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2021-10-29 03:03:30,088 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2021-10-29 03:03:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:03:30,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:30,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:03:31,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:31,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 89 states and 146 transitions. [2021-10-29 03:03:31,397 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 146 transitions. [2021-10-29 03:03:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:03:31,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:31,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:03:31,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 90 states and 147 transitions. [2021-10-29 03:03:31,466 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 147 transitions. [2021-10-29 03:03:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:03:31,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:31,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:03:31,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:31,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 91 states and 150 transitions. [2021-10-29 03:03:31,645 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 150 transitions. [2021-10-29 03:03:31,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:03:31,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:31,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:03:31,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:31,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 91 states and 149 transitions. [2021-10-29 03:03:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 149 transitions. [2021-10-29 03:03:31,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:03:31,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:31,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:31,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:03:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 95 states and 154 transitions. [2021-10-29 03:03:31,857 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 154 transitions. [2021-10-29 03:03:31,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:03:31,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:31,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:31,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:03:31,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 96 states and 155 transitions. [2021-10-29 03:03:31,996 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 155 transitions. [2021-10-29 03:03:31,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:03:32,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:32,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:32,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:03:32,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:32,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 99 states and 162 transitions. [2021-10-29 03:03:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 162 transitions. [2021-10-29 03:03:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:03:32,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:32,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:32,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:03:33,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:33,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 111 states and 189 transitions. [2021-10-29 03:03:33,466 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 189 transitions. [2021-10-29 03:03:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:03:33,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:33,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:03:34,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:34,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 118 states and 204 transitions. [2021-10-29 03:03:34,335 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 204 transitions. [2021-10-29 03:03:34,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:03:34,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:34,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:34,382 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:03:34,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:34,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 123 states and 216 transitions. [2021-10-29 03:03:34,710 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2021-10-29 03:03:34,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:03:34,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:34,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:03:34,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:34,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 126 states and 222 transitions. [2021-10-29 03:03:34,925 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 222 transitions. [2021-10-29 03:03:34,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:03:34,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:34,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:34,958 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:03:35,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:35,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 129 states and 229 transitions. [2021-10-29 03:03:35,299 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 229 transitions. [2021-10-29 03:03:35,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 03:03:35,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:35,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:03:35,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:35,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 132 states and 236 transitions. [2021-10-29 03:03:35,715 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 236 transitions. [2021-10-29 03:03:35,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 03:03:35,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:35,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:35,783 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:03:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:35,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 134 states and 238 transitions. [2021-10-29 03:03:35,823 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 238 transitions. [2021-10-29 03:03:35,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:03:35,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:35,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:36,263 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:03:37,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:37,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 143 states and 273 transitions. [2021-10-29 03:03:37,576 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 273 transitions. [2021-10-29 03:03:37,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:03:37,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:37,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:37,776 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:03:37,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:37,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 144 states and 275 transitions. [2021-10-29 03:03:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 275 transitions. [2021-10-29 03:03:37,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 03:03:37,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:37,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:38,274 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:03:40,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:40,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 160 states and 318 transitions. [2021-10-29 03:03:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 318 transitions. [2021-10-29 03:03:40,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 03:03:40,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:40,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:40,878 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:03:41,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:41,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 162 states and 321 transitions. [2021-10-29 03:03:41,682 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 321 transitions. [2021-10-29 03:03:41,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:03:41,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:41,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:03:42,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:42,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 162 states and 320 transitions. [2021-10-29 03:03:42,041 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 320 transitions. [2021-10-29 03:03:42,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 03:03:42,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:42,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:03:42,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:42,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 165 states and 325 transitions. [2021-10-29 03:03:42,364 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 325 transitions. [2021-10-29 03:03:42,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:03:42,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:42,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:42,800 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:03:45,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 174 states and 349 transitions. [2021-10-29 03:03:45,151 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 349 transitions. [2021-10-29 03:03:45,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 03:03:45,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:45,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:03:50,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:50,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 191 states and 418 transitions. [2021-10-29 03:03:50,096 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 418 transitions. [2021-10-29 03:03:50,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 03:03:50,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:50,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:03:51,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:51,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 197 states and 430 transitions. [2021-10-29 03:03:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 430 transitions. [2021-10-29 03:03:51,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:03:51,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:51,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:52,282 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:03:55,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:55,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 205 states and 452 transitions. [2021-10-29 03:03:55,804 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 452 transitions. [2021-10-29 03:03:55,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 03:03:55,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:55,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:03:58,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:58,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 218 states and 478 transitions. [2021-10-29 03:03:58,930 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 478 transitions. [2021-10-29 03:03:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 03:03:58,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:58,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:59,012 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:03:59,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:59,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 218 states and 477 transitions. [2021-10-29 03:03:59,489 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 477 transitions. [2021-10-29 03:03:59,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-29 03:03:59,492 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:59,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:59,740 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:03:59,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 219 states and 478 transitions. [2021-10-29 03:03:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 478 transitions. [2021-10-29 03:03:59,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-29 03:03:59,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:59,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:04:00,470 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:04:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:04:04,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 226 states and 492 transitions. [2021-10-29 03:04:04,120 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 492 transitions. [2021-10-29 03:04:04,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-29 03:04:04,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:04:04,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:04:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:04:04,179 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:04:04,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:04:04,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 231 states and 502 transitions. [2021-10-29 03:04:04,562 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 502 transitions. [2021-10-29 03:04:04,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 03:04:04,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:04:04,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:04:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:04:04,624 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:04:04,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:04:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 232 states and 505 transitions. [2021-10-29 03:04:04,665 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 505 transitions. [2021-10-29 03:04:04,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 03:04:04,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:04:04,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:04:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:04:04,881 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:04:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:04:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 232 states and 505 transitions. [2021-10-29 03:04:05,230 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 505 transitions. [2021-10-29 03:04:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-29 03:04:05,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:04:05,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:04:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:04:05,265 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-29 03:04:05,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:04:05,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 235 states and 510 transitions. [2021-10-29 03:04:05,501 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 510 transitions. [2021-10-29 03:04:05,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 03:04:05,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:04:05,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:04:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:04:05,576 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:04:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:04:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:04:05,811 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:04:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:04:05,997 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 38 iterations. [2021-10-29 03:04:06,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:04:06 ImpRootNode [2021-10-29 03:04:06,258 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:04:06,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:04:06,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:04:06,259 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:04:06,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:03:28" (3/4) ... [2021-10-29 03:04:06,261 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:04:06,452 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:04:06,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:04:06,454 INFO L168 Benchmark]: Toolchain (without parser) took 40142.77 ms. Allocated memory was 98.6 MB in the beginning and 318.8 MB in the end (delta: 220.2 MB). Free memory was 64.5 MB in the beginning and 151.8 MB in the end (delta: -87.3 MB). Peak memory consumption was 132.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:04:06,454 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 50.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:04:06,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.01 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 64.2 MB in the beginning and 90.4 MB in the end (delta: -26.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:04:06,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.34 ms. Allocated memory is still 123.7 MB. Free memory was 90.4 MB in the beginning and 88.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:04:06,456 INFO L168 Benchmark]: Boogie Preprocessor took 55.93 ms. Allocated memory is still 123.7 MB. Free memory was 88.1 MB in the beginning and 86.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:04:06,456 INFO L168 Benchmark]: RCFGBuilder took 1466.42 ms. Allocated memory is still 123.7 MB. Free memory was 86.1 MB in the beginning and 90.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:04:06,457 INFO L168 Benchmark]: CodeCheck took 37747.91 ms. Allocated memory was 123.7 MB in the beginning and 318.8 MB in the end (delta: 195.0 MB). Free memory was 90.4 MB in the beginning and 171.7 MB in the end (delta: -81.3 MB). Peak memory consumption was 115.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:04:06,457 INFO L168 Benchmark]: Witness Printer took 194.40 ms. Allocated memory is still 318.8 MB. Free memory was 171.7 MB in the beginning and 151.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:04:06,459 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 7 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.4s, OverallIterations: 38, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 398041488 SDtfs, 1046249216 SDslu, -6381060 SDs, 0 SdLazy, -2011425560 SolverSat, 1125342096 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16421 GetRequests, 15674 SyntacticMatches, 280 SemanticMatches, 467 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119472 ImplicationChecksByTransitivity, 30.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 1412 NumberOfCodeBlocks, 1412 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1323 ConstructedInterpolants, 0 QuantifiedInterpolants, 5153 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 19 PerfectInterpolantSequences, 242/409 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 - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L703] int waterLevel = 1; [L704] int methaneLevelCritical = 0; [L861] int cleanupTimeShifts = 4; [L934] int retValue_acc ; [L935] int tmp ; [L852] int retValue_acc ; [L855] retValue_acc = 1 [L856] return (retValue_acc); [L941] tmp = valid_product() [L943] COND TRUE \read(tmp) [L432] int splverifierCounter ; [L433] int tmp ; [L434] int tmp___0 ; [L435] int tmp___1 ; [L436] int tmp___2 ; [L439] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L441] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L443] COND TRUE splverifierCounter < 4 [L449] tmp = __VERIFIER_nondet_int() [L451] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L453] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L721] COND TRUE waterLevel < 2 [L722] waterLevel = waterLevel + 1 [L453] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L459] tmp___0 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L469] tmp___2 = __VERIFIER_nondet_int() [L471] COND TRUE \read(tmp___2) [L697] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L488] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L516] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L523] COND TRUE \read(systemActive) [L545] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L548] COND TRUE ! pumpRunning [L660] int retValue_acc ; [L661] int tmp ; [L662] int tmp___0 ; [L783] int retValue_acc ; [L786] COND FALSE !(waterLevel < 2) [L790] retValue_acc = 0 [L791] return (retValue_acc); [L666] tmp = isHighWaterSensorDry() [L668] COND FALSE !(\read(tmp)) [L671] tmp___0 = 1 [L673] retValue_acc = tmp___0 [L674] return (retValue_acc); [L550] tmp = isHighWaterLevel() [L552] COND TRUE \read(tmp) [L579] int tmp ; [L604] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L608] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L742] int retValue_acc ; [L745] retValue_acc = methaneLevelCritical [L746] return (retValue_acc); [L608] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L608] retValue_acc = isMethaneLevelCritical() [L610] return (retValue_acc); [L583] tmp = isMethaneAlarm() [L585] COND FALSE !(\read(tmp)) [L573] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L798] int tmp ; [L799] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L803] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L742] int retValue_acc ; [L745] retValue_acc = methaneLevelCritical [L746] return (retValue_acc); [L803] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L803] tmp = isMethaneLevelCritical() [L805] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L488] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L441] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L443] COND TRUE splverifierCounter < 4 [L449] tmp = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L459] tmp___0 = __VERIFIER_nondet_int() [L461] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L463] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L733] COND FALSE !(\read(methaneLevelCritical)) [L736] methaneLevelCritical = 1 [L463] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L469] tmp___2 = __VERIFIER_nondet_int() [L471] COND TRUE \read(tmp___2) [L697] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L488] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L516] COND TRUE \read(pumpRunning) [L709] COND TRUE waterLevel > 0 [L710] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L523] COND TRUE \read(systemActive) [L545] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L548] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L563] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L798] int tmp ; [L799] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L803] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L742] int retValue_acc ; [L745] retValue_acc = methaneLevelCritical [L746] return (retValue_acc); [L803] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L803] tmp = isMethaneLevelCritical() [L805] COND TRUE \read(tmp) [L615] int retValue_acc ; [L618] retValue_acc = pumpRunning [L619] return (retValue_acc); [L807] tmp___0 = isPumpRunning() [L809] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L54] reach_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 50.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 584.01 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 64.2 MB in the beginning and 90.4 MB in the end (delta: -26.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.34 ms. Allocated memory is still 123.7 MB. Free memory was 90.4 MB in the beginning and 88.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.93 ms. Allocated memory is still 123.7 MB. Free memory was 88.1 MB in the beginning and 86.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1466.42 ms. Allocated memory is still 123.7 MB. Free memory was 86.1 MB in the beginning and 90.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * CodeCheck took 37747.91 ms. Allocated memory was 123.7 MB in the beginning and 318.8 MB in the end (delta: 195.0 MB). Free memory was 90.4 MB in the beginning and 171.7 MB in the end (delta: -81.3 MB). Peak memory consumption was 115.6 MB. Max. memory is 16.1 GB. * Witness Printer took 194.40 ms. Allocated memory is still 318.8 MB. Free memory was 171.7 MB in the beginning and 151.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:04:06,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90724e53-266b-4ca7-90c9-b0857863b817/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...