./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:47:38,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:47:38,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:47:38,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:47:38,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:47:38,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:47:38,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:47:38,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:47:38,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:47:38,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:47:38,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:47:38,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:47:38,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:47:38,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:47:38,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:47:38,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:47:38,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:47:38,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:47:38,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:47:38,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:47:38,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:47:38,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:47:38,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:47:38,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:47:38,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:47:38,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:47:38,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:47:38,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:47:38,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:47:38,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:47:38,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:47:38,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:47:38,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:47:38,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:47:38,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:47:38,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:47:38,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:47:38,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:47:38,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:47:38,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:47:38,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:47:38,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 22:47:39,007 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:47:39,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:47:39,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:47:39,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:47:39,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:47:39,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:47:39,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:47:39,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:47:39,009 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:47:39,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:47:39,009 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:47:39,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:47:39,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:47:39,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:47:39,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:47:39,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:47:39,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:47:39,010 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:47:39,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:47:39,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:47:39,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:47:39,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:47:39,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:47:39,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:47:39,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:47:39,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:47:39,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:47:39,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:47:39,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:47:39,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:47:39,011 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:47:39,011 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:47:39,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:47:39,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:47:39,012 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_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f [2021-12-06 22:47:39,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:47:39,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:47:39,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:47:39,211 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:47:39,211 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:47:39,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-12-06 22:47:39,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/data/159cbf9ab/fe5740b8b4ff4c358cb0ae73634f2b73/FLAG980b4d245 [2021-12-06 22:47:39,655 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:47:39,655 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-12-06 22:47:39,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/data/159cbf9ab/fe5740b8b4ff4c358cb0ae73634f2b73/FLAG980b4d245 [2021-12-06 22:47:39,675 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/data/159cbf9ab/fe5740b8b4ff4c358cb0ae73634f2b73 [2021-12-06 22:47:39,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:47:39,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:47:39,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:47:39,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:47:39,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:47:39,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:47:39" (1/1) ... [2021-12-06 22:47:39,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30968ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:47:39, skipping insertion in model container [2021-12-06 22:47:39,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:47:39" (1/1) ... [2021-12-06 22:47:39,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:47:39,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:47:39,903 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_a2411f69-992f-44dd-be56-5ec2270e7590/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c[13023,13036] [2021-12-06 22:47:39,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:47:39,940 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:47:39,980 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_a2411f69-992f-44dd-be56-5ec2270e7590/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c[13023,13036] [2021-12-06 22:47:39,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:47:40,005 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:47:40,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:47:40 WrapperNode [2021-12-06 22:47:40,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:47:40,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:47:40,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:47:40,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:47:40,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:47:40" (1/1) ... [2021-12-06 22:47:40,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:47:40" (1/1) ... [2021-12-06 22:47:40,045 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 213 [2021-12-06 22:47:40,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:47:40,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:47:40,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:47:40,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:47:40,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:47:40" (1/1) ... [2021-12-06 22:47:40,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:47:40" (1/1) ... [2021-12-06 22:47:40,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:47:40" (1/1) ... [2021-12-06 22:47:40,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:47:40" (1/1) ... [2021-12-06 22:47:40,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:47:40" (1/1) ... [2021-12-06 22:47:40,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:47:40" (1/1) ... [2021-12-06 22:47:40,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:47:40" (1/1) ... [2021-12-06 22:47:40,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:47:40,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:47:40,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:47:40,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:47:40,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:47:40" (1/1) ... [2021-12-06 22:47:40,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:47:40,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:47:40,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:47:40,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:47:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:47:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 22:47:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 22:47:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 22:47:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 22:47:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 22:47:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 22:47:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 22:47:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 22:47:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 22:47:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 22:47:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:47:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 22:47:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 22:47:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:47:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:47:40,183 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:47:40,185 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:47:40,384 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:47:40,389 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:47:40,390 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 22:47:40,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:47:40 BoogieIcfgContainer [2021-12-06 22:47:40,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:47:40,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:47:40,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:47:40,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:47:40,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:47:39" (1/3) ... [2021-12-06 22:47:40,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15aec2aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:47:40, skipping insertion in model container [2021-12-06 22:47:40,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:47:40" (2/3) ... [2021-12-06 22:47:40,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15aec2aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:47:40, skipping insertion in model container [2021-12-06 22:47:40,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:47:40" (3/3) ... [2021-12-06 22:47:40,397 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2021-12-06 22:47:40,401 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:47:40,401 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:47:40,438 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:47:40,445 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:47:40,445 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:47:40,463 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 62 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 22:47:40,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-06 22:47:40,470 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:47:40,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:47:40,472 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:47:40,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:47:40,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1863512156, now seen corresponding path program 1 times [2021-12-06 22:47:40,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:47:40,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254563654] [2021-12-06 22:47:40,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:47:40,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:47:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:47:40,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:47:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:47:40,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:47:40,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:47:40,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254563654] [2021-12-06 22:47:40,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254563654] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:47:40,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:47:40,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:47:40,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296977445] [2021-12-06 22:47:40,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:47:40,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 22:47:40,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:47:40,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 22:47:40,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:47:40,724 INFO L87 Difference]: Start difference. First operand has 73 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 62 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:47:40,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:47:40,747 INFO L93 Difference]: Finished difference Result 138 states and 187 transitions. [2021-12-06 22:47:40,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 22:47:40,749 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-12-06 22:47:40,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:47:40,756 INFO L225 Difference]: With dead ends: 138 [2021-12-06 22:47:40,756 INFO L226 Difference]: Without dead ends: 64 [2021-12-06 22:47:40,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:47:40,761 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:47:40,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:47:40,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-12-06 22:47:40,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-12-06 22:47:40,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 54 states have internal predecessors, (64), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-06 22:47:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2021-12-06 22:47:40,799 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 23 [2021-12-06 22:47:40,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:47:40,800 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2021-12-06 22:47:40,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:47:40,800 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-12-06 22:47:40,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 22:47:40,802 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:47:40,802 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:47:40,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:47:40,802 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:47:40,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:47:40,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1636042670, now seen corresponding path program 1 times [2021-12-06 22:47:40,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:47:40,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217594912] [2021-12-06 22:47:40,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:47:40,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:47:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:47:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 22:47:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:47:40,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:47:40,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:47:40,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217594912] [2021-12-06 22:47:40,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217594912] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:47:40,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:47:40,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:47:40,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291459625] [2021-12-06 22:47:40,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:47:40,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:47:40,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:47:40,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:47:40,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:47:40,867 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:47:40,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:47:40,880 INFO L93 Difference]: Finished difference Result 94 states and 118 transitions. [2021-12-06 22:47:40,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:47:40,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-06 22:47:40,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:47:40,882 INFO L225 Difference]: With dead ends: 94 [2021-12-06 22:47:40,882 INFO L226 Difference]: Without dead ends: 55 [2021-12-06 22:47:40,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:47:40,885 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 12 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:47:40,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:47:40,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-12-06 22:47:40,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-12-06 22:47:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 48 states have internal predecessors, (57), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-06 22:47:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2021-12-06 22:47:40,895 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 24 [2021-12-06 22:47:40,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:47:40,895 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2021-12-06 22:47:40,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:47:40,896 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2021-12-06 22:47:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 22:47:40,897 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:47:40,897 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:47:40,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:47:40,898 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:47:40,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:47:40,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1620101616, now seen corresponding path program 1 times [2021-12-06 22:47:40,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:47:40,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235932727] [2021-12-06 22:47:40,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:47:40,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:47:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:47:40,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 22:47:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:47:40,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:47:40,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:47:40,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235932727] [2021-12-06 22:47:40,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235932727] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:47:40,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:47:40,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:47:40,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851160000] [2021-12-06 22:47:40,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:47:40,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:47:40,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:47:40,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:47:40,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:47:40,983 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:47:41,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:47:41,041 INFO L93 Difference]: Finished difference Result 103 states and 132 transitions. [2021-12-06 22:47:41,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:47:41,041 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-12-06 22:47:41,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:47:41,043 INFO L225 Difference]: With dead ends: 103 [2021-12-06 22:47:41,043 INFO L226 Difference]: Without dead ends: 55 [2021-12-06 22:47:41,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:47:41,045 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 95 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:47:41,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 136 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:47:41,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-12-06 22:47:41,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-12-06 22:47:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.302325581395349) internal successors, (56), 48 states have internal predecessors, (56), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-06 22:47:41,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2021-12-06 22:47:41,054 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 28 [2021-12-06 22:47:41,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:47:41,054 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2021-12-06 22:47:41,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:47:41,054 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2021-12-06 22:47:41,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-06 22:47:41,055 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:47:41,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:47:41,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:47:41,056 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:47:41,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:47:41,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1951185566, now seen corresponding path program 1 times [2021-12-06 22:47:41,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:47:41,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120320966] [2021-12-06 22:47:41,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:47:41,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:47:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:47:41,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 22:47:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:47:41,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 22:47:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:47:41,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:47:41,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:47:41,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120320966] [2021-12-06 22:47:41,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120320966] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:47:41,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:47:41,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:47:41,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166793321] [2021-12-06 22:47:41,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:47:41,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:47:41,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:47:41,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:47:41,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:47:41,119 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 22:47:41,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:47:41,168 INFO L93 Difference]: Finished difference Result 150 states and 192 transitions. [2021-12-06 22:47:41,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:47:41,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-06 22:47:41,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:47:41,170 INFO L225 Difference]: With dead ends: 150 [2021-12-06 22:47:41,170 INFO L226 Difference]: Without dead ends: 102 [2021-12-06 22:47:41,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:47:41,172 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 41 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:47:41,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 321 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:47:41,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-12-06 22:47:41,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99. [2021-12-06 22:47:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 76 states have (on average 1.3026315789473684) internal successors, (99), 85 states have internal predecessors, (99), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (13), 10 states have call predecessors, (13), 12 states have call successors, (13) [2021-12-06 22:47:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 124 transitions. [2021-12-06 22:47:41,184 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 124 transitions. Word has length 33 [2021-12-06 22:47:41,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:47:41,184 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 124 transitions. [2021-12-06 22:47:41,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 22:47:41,184 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2021-12-06 22:47:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-06 22:47:41,186 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:47:41,186 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:47:41,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:47:41,186 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:47:41,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:47:41,186 INFO L85 PathProgramCache]: Analyzing trace with hash 867565658, now seen corresponding path program 1 times [2021-12-06 22:47:41,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:47:41,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506666424] [2021-12-06 22:47:41,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:47:41,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:47:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:47:41,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:47:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:47:41,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 22:47:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:47:41,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 22:47:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:47:41,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:47:41,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:47:41,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506666424] [2021-12-06 22:47:41,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506666424] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:47:41,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:47:41,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:47:41,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023844772] [2021-12-06 22:47:41,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:47:41,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:47:41,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:47:41,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:47:41,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:47:41,241 INFO L87 Difference]: Start difference. First operand 99 states and 124 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 22:47:41,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:47:41,309 INFO L93 Difference]: Finished difference Result 174 states and 219 transitions. [2021-12-06 22:47:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:47:41,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2021-12-06 22:47:41,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:47:41,310 INFO L225 Difference]: With dead ends: 174 [2021-12-06 22:47:41,310 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 22:47:41,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:47:41,313 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 45 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:47:41,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 125 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:47:41,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 22:47:41,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 22:47:41,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:47:41,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 22:47:41,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-12-06 22:47:41,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:47:41,315 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:47:41,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 22:47:41,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 22:47:41,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 22:47:41,317 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 22:47:41,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:47:41,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 22:47:41,574 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 590 596) no Hoare annotation was computed. [2021-12-06 22:47:41,574 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 590 596) the Hoare annotation is: true [2021-12-06 22:47:41,574 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 742 753) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-12-06 22:47:41,574 INFO L858 garLoopResultBuilder]: For program point L746-1(lines 742 753) no Hoare annotation was computed. [2021-12-06 22:47:41,575 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 742 753) no Hoare annotation was computed. [2021-12-06 22:47:41,575 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 708) no Hoare annotation was computed. [2021-12-06 22:47:41,575 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 708) no Hoare annotation was computed. [2021-12-06 22:47:41,575 INFO L854 garLoopResultBuilder]: At program point L655(lines 650 658) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2021-12-06 22:47:41,575 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 566 589) no Hoare annotation was computed. [2021-12-06 22:47:41,575 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-12-06 22:47:41,575 INFO L854 garLoopResultBuilder]: At program point L800(lines 795 803) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 22:47:41,575 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2021-12-06 22:47:41,575 INFO L858 garLoopResultBuilder]: For program point L606(lines 606 614) no Hoare annotation was computed. [2021-12-06 22:47:41,575 INFO L858 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-12-06 22:47:41,575 INFO L854 garLoopResultBuilder]: At program point L61-1(lines 53 77) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2021-12-06 22:47:41,576 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 619) no Hoare annotation was computed. [2021-12-06 22:47:41,576 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2021-12-06 22:47:41,576 INFO L854 garLoopResultBuilder]: At program point L722-2(lines 718 729) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 22:47:41,576 INFO L858 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2021-12-06 22:47:41,576 INFO L854 garLoopResultBuilder]: At program point L710(lines 695 713) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 22:47:41,576 INFO L854 garLoopResultBuilder]: At program point L636(lines 631 638) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 22:47:41,576 INFO L858 garLoopResultBuilder]: For program point L570-1(lines 569 588) no Hoare annotation was computed. [2021-12-06 22:47:41,576 INFO L854 garLoopResultBuilder]: At program point L554(lines 549 556) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 22:47:41,576 INFO L854 garLoopResultBuilder]: At program point L612(line 612) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 22:47:41,576 INFO L854 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 22:47:41,577 INFO L858 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2021-12-06 22:47:41,577 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 566 589) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 22:47:41,577 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 566 589) no Hoare annotation was computed. [2021-12-06 22:47:41,577 INFO L854 garLoopResultBuilder]: At program point L617(line 617) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 22:47:41,577 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2021-12-06 22:47:41,577 INFO L854 garLoopResultBuilder]: At program point L617-1(lines 598 622) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 22:47:41,577 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 447 476) no Hoare annotation was computed. [2021-12-06 22:47:41,577 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 447 476) the Hoare annotation is: true [2021-12-06 22:47:41,577 INFO L861 garLoopResultBuilder]: At program point L472(lines 447 476) the Hoare annotation is: true [2021-12-06 22:47:41,577 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-12-06 22:47:41,577 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 465) no Hoare annotation was computed. [2021-12-06 22:47:41,578 INFO L861 garLoopResultBuilder]: At program point L461-1(lines 461 465) the Hoare annotation is: true [2021-12-06 22:47:41,578 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-12-06 22:47:41,578 INFO L861 garLoopResultBuilder]: At program point L457-2(lines 457 471) the Hoare annotation is: true [2021-12-06 22:47:41,578 INFO L861 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: true [2021-12-06 22:47:41,578 INFO L858 garLoopResultBuilder]: For program point L453-1(line 453) no Hoare annotation was computed. [2021-12-06 22:47:41,578 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 754 762) the Hoare annotation is: true [2021-12-06 22:47:41,578 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 754 762) no Hoare annotation was computed. [2021-12-06 22:47:41,578 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 754 762) no Hoare annotation was computed. [2021-12-06 22:47:41,578 INFO L854 garLoopResultBuilder]: At program point L861(lines 814 862) the Hoare annotation is: false [2021-12-06 22:47:41,578 INFO L858 garLoopResultBuilder]: For program point L535(lines 535 542) no Hoare annotation was computed. [2021-12-06 22:47:41,578 INFO L858 garLoopResultBuilder]: For program point L535-2(lines 535 542) no Hoare annotation was computed. [2021-12-06 22:47:41,578 INFO L858 garLoopResultBuilder]: For program point L816(lines 815 860) no Hoare annotation was computed. [2021-12-06 22:47:41,578 INFO L858 garLoopResultBuilder]: For program point L845(lines 845 856) no Hoare annotation was computed. [2021-12-06 22:47:41,579 INFO L861 garLoopResultBuilder]: At program point L519(lines 512 521) the Hoare annotation is: true [2021-12-06 22:47:41,579 INFO L854 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2021-12-06 22:47:41,579 INFO L861 garLoopResultBuilder]: At program point L544(lines 525 547) the Hoare annotation is: true [2021-12-06 22:47:41,579 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 22:47:41,579 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 22:47:41,579 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 22:47:41,579 INFO L854 garLoopResultBuilder]: At program point L858(lines 815 860) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2021-12-06 22:47:41,579 INFO L858 garLoopResultBuilder]: For program point L825(lines 825 831) no Hoare annotation was computed. [2021-12-06 22:47:41,579 INFO L858 garLoopResultBuilder]: For program point L825-1(lines 825 831) no Hoare annotation was computed. [2021-12-06 22:47:41,579 INFO L858 garLoopResultBuilder]: For program point L817(lines 817 821) no Hoare annotation was computed. [2021-12-06 22:47:41,579 INFO L854 garLoopResultBuilder]: At program point L900(lines 895 903) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-12-06 22:47:41,579 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 22:47:41,580 INFO L854 garLoopResultBuilder]: At program point L892(lines 888 894) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-06 22:47:41,580 INFO L854 garLoopResultBuilder]: At program point L508(lines 504 510) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2021-12-06 22:47:41,580 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 855) no Hoare annotation was computed. [2021-12-06 22:47:41,580 INFO L854 garLoopResultBuilder]: At program point L851-2(lines 845 856) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2021-12-06 22:47:41,580 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 841) no Hoare annotation was computed. [2021-12-06 22:47:41,580 INFO L858 garLoopResultBuilder]: For program point L835-1(lines 835 841) no Hoare annotation was computed. [2021-12-06 22:47:41,580 INFO L861 garLoopResultBuilder]: At program point L864(lines 805 868) the Hoare annotation is: true [2021-12-06 22:47:41,580 INFO L854 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2021-12-06 22:47:41,580 INFO L854 garLoopResultBuilder]: At program point L885(lines 881 887) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-06 22:47:41,580 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 730 741) no Hoare annotation was computed. [2021-12-06 22:47:41,580 INFO L858 garLoopResultBuilder]: For program point L734-1(lines 730 741) no Hoare annotation was computed. [2021-12-06 22:47:41,581 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 730 741) the Hoare annotation is: true [2021-12-06 22:47:41,583 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-06 22:47:41,584 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:47:41,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:47:41 BoogieIcfgContainer [2021-12-06 22:47:41,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:47:41,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:47:41,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:47:41,598 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:47:41,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:47:40" (3/4) ... [2021-12-06 22:47:41,600 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 22:47:41,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 22:47:41,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 22:47:41,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 22:47:41,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 22:47:41,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 22:47:41,606 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 22:47:41,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-12-06 22:47:41,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 22:47:41,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 22:47:41,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 22:47:41,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 22:47:41,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:47:41,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:47:41,630 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2021-12-06 22:47:41,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2021-12-06 22:47:41,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive [2021-12-06 22:47:41,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 22:47:41,632 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2021-12-06 22:47:41,632 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || tmp == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2021-12-06 22:47:41,632 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2021-12-06 22:47:41,632 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 22:47:41,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 22:47:41,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 22:47:41,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 22:47:41,657 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:47:41,657 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:47:41,657 INFO L158 Benchmark]: Toolchain (without parser) took 1979.30ms. Allocated memory is still 127.9MB. Free memory was 90.8MB in the beginning and 84.3MB in the end (delta: 6.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-12-06 22:47:41,657 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:47:41,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.51ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 94.2MB in the end (delta: -3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 22:47:41,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.22ms. Allocated memory is still 127.9MB. Free memory was 94.2MB in the beginning and 91.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:47:41,658 INFO L158 Benchmark]: Boogie Preprocessor took 19.08ms. Allocated memory is still 127.9MB. Free memory was 91.6MB in the beginning and 90.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:47:41,659 INFO L158 Benchmark]: RCFGBuilder took 325.29ms. Allocated memory is still 127.9MB. Free memory was 90.1MB in the beginning and 75.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 22:47:41,659 INFO L158 Benchmark]: TraceAbstraction took 1204.57ms. Allocated memory is still 127.9MB. Free memory was 74.8MB in the beginning and 90.7MB in the end (delta: -15.8MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2021-12-06 22:47:41,659 INFO L158 Benchmark]: Witness Printer took 59.18ms. Allocated memory is still 127.9MB. Free memory was 89.7MB in the beginning and 84.3MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 22:47:41,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.51ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 94.2MB in the end (delta: -3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.22ms. Allocated memory is still 127.9MB. Free memory was 94.2MB in the beginning and 91.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.08ms. Allocated memory is still 127.9MB. Free memory was 91.6MB in the beginning and 90.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 325.29ms. Allocated memory is still 127.9MB. Free memory was 90.1MB in the beginning and 75.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1204.57ms. Allocated memory is still 127.9MB. Free memory was 74.8MB in the beginning and 90.7MB in the end (delta: -15.8MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Witness Printer took 59.18ms. Allocated memory is still 127.9MB. Free memory was 89.7MB in the beginning and 84.3MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 553]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 193 mSDsluCounter, 792 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 457 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 335 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 190 PreInvPairs, 212 NumberOfFragments, 298 HoareAnnotationTreeSize, 190 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 511 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || tmp == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 22:47:41,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2411f69-992f-44dd-be56-5ec2270e7590/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE