./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product22.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_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/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_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/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_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/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 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:28:24,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:28:24,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:28:24,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:28:24,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:28:24,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:28:24,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:28:24,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:28:24,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:28:24,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:28:24,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:28:24,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:28:24,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:28:24,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:28:24,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:28:24,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:28:24,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:28:24,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:28:24,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:28:24,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:28:24,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:28:24,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:28:24,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:28:24,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:28:24,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:28:24,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:28:24,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:28:24,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:28:24,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:28:24,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:28:24,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:28:24,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:28:24,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:28:24,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:28:24,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:28:24,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:28:24,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:28:24,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:28:24,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:28:24,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:28:24,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:28:24,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 17:28:24,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:28:24,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:28:24,340 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:28:24,340 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:28:24,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:28:24,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:28:24,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:28:24,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:28:24,341 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:28:24,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:28:24,341 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:28:24,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:28:24,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:28:24,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:28:24,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:28:24,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:28:24,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:28:24,342 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:28:24,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:28:24,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:28:24,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:28:24,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:28:24,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:28:24,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:28:24,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:28:24,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:28:24,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:28:24,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:28:24,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:28:24,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:28:24,344 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:28:24,344 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:28:24,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:28:24,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:28:24,344 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_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad [2021-12-06 17:28:24,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:28:24,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:28:24,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:28:24,541 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:28:24,541 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:28:24,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2021-12-06 17:28:24,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/bin/uautomizer-DrprNOufMa/data/ed4ede9eb/1d80b0487b974332b4dd297b2dc38ea0/FLAGe5e3f104d [2021-12-06 17:28:24,985 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:28:24,986 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2021-12-06 17:28:24,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/bin/uautomizer-DrprNOufMa/data/ed4ede9eb/1d80b0487b974332b4dd297b2dc38ea0/FLAGe5e3f104d [2021-12-06 17:28:25,004 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/bin/uautomizer-DrprNOufMa/data/ed4ede9eb/1d80b0487b974332b4dd297b2dc38ea0 [2021-12-06 17:28:25,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:28:25,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:28:25,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:28:25,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:28:25,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:28:25,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:28:25" (1/1) ... [2021-12-06 17:28:25,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f33e7c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:25, skipping insertion in model container [2021-12-06 17:28:25,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:28:25" (1/1) ... [2021-12-06 17:28:25,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:28:25,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:28:25,196 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_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c[8015,8028] [2021-12-06 17:28:25,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:28:25,238 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:28:25,266 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_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c[8015,8028] [2021-12-06 17:28:25,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:28:25,302 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:28:25,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:25 WrapperNode [2021-12-06 17:28:25,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:28:25,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:28:25,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:28:25,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:28:25,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:25" (1/1) ... [2021-12-06 17:28:25,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:25" (1/1) ... [2021-12-06 17:28:25,339 INFO L137 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 246 [2021-12-06 17:28:25,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:28:25,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:28:25,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:28:25,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:28:25,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:25" (1/1) ... [2021-12-06 17:28:25,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:25" (1/1) ... [2021-12-06 17:28:25,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:25" (1/1) ... [2021-12-06 17:28:25,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:25" (1/1) ... [2021-12-06 17:28:25,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:25" (1/1) ... [2021-12-06 17:28:25,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:25" (1/1) ... [2021-12-06 17:28:25,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:25" (1/1) ... [2021-12-06 17:28:25,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:28:25,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:28:25,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:28:25,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:28:25,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:25" (1/1) ... [2021-12-06 17:28:25,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:28:25,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:28:25,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:28:25,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:28:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:28:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 17:28:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 17:28:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 17:28:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 17:28:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 17:28:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 17:28:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 17:28:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 17:28:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-06 17:28:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-06 17:28:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-06 17:28:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-06 17:28:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:28:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 17:28:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 17:28:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:28:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:28:25,492 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:28:25,494 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:28:25,726 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:28:25,734 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:28:25,734 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 17:28:25,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:28:25 BoogieIcfgContainer [2021-12-06 17:28:25,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:28:25,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:28:25,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:28:25,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:28:25,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:28:25" (1/3) ... [2021-12-06 17:28:25,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71650b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:28:25, skipping insertion in model container [2021-12-06 17:28:25,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:25" (2/3) ... [2021-12-06 17:28:25,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71650b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:28:25, skipping insertion in model container [2021-12-06 17:28:25,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:28:25" (3/3) ... [2021-12-06 17:28:25,744 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2021-12-06 17:28:25,749 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:28:25,749 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:28:25,787 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:28:25,792 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 17:28:25,793 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:28:25,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 70 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-06 17:28:25,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-06 17:28:25,814 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:28:25,815 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:28:25,815 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:28:25,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:28:25,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1081284888, now seen corresponding path program 1 times [2021-12-06 17:28:25,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:28:25,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931383736] [2021-12-06 17:28:25,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:28:25,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:28:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:26,004 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 17:28:26,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:28:26,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931383736] [2021-12-06 17:28:26,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931383736] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:28:26,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:28:26,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:28:26,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602540895] [2021-12-06 17:28:26,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:28:26,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 17:28:26,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:28:26,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 17:28:26,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:28:26,031 INFO L87 Difference]: Start difference. First operand has 83 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 70 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:28:26,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:28:26,054 INFO L93 Difference]: Finished difference Result 158 states and 215 transitions. [2021-12-06 17:28:26,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:28:26,055 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-12-06 17:28:26,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:28:26,061 INFO L225 Difference]: With dead ends: 158 [2021-12-06 17:28:26,062 INFO L226 Difference]: Without dead ends: 74 [2021-12-06 17:28:26,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 17:28:26,067 INFO L933 BasicCegarLoop]: 104 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, 104 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 17:28:26,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:28:26,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-12-06 17:28:26,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-12-06 17:28:26,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.309090909090909) internal successors, (72), 62 states have internal predecessors, (72), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 17:28:26,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2021-12-06 17:28:26,097 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 19 [2021-12-06 17:28:26,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:28:26,098 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2021-12-06 17:28:26,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:28:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2021-12-06 17:28:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-06 17:28:26,100 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:28:26,100 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] [2021-12-06 17:28:26,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:28:26,100 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:28:26,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:28:26,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1730590592, now seen corresponding path program 1 times [2021-12-06 17:28:26,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:28:26,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847163154] [2021-12-06 17:28:26,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:28:26,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:28:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:26,150 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 17:28:26,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:28:26,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847163154] [2021-12-06 17:28:26,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847163154] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:28:26,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:28:26,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:28:26,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561022948] [2021-12-06 17:28:26,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:28:26,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:28:26,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:28:26,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:28:26,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:28:26,153 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:28:26,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:28:26,164 INFO L93 Difference]: Finished difference Result 113 states and 145 transitions. [2021-12-06 17:28:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:28:26,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-12-06 17:28:26,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:28:26,166 INFO L225 Difference]: With dead ends: 113 [2021-12-06 17:28:26,166 INFO L226 Difference]: Without dead ends: 65 [2021-12-06 17:28:26,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 17:28:26,168 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 13 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 147 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 17:28:26,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 147 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:28:26,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-12-06 17:28:26,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-12-06 17:28:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 56 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 17:28:26,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2021-12-06 17:28:26,176 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 83 transitions. Word has length 20 [2021-12-06 17:28:26,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:28:26,176 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 83 transitions. [2021-12-06 17:28:26,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:28:26,176 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2021-12-06 17:28:26,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 17:28:26,177 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:28:26,177 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] [2021-12-06 17:28:26,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 17:28:26,178 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:28:26,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:28:26,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1455931255, now seen corresponding path program 1 times [2021-12-06 17:28:26,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:28:26,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789704896] [2021-12-06 17:28:26,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:28:26,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:28:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:26,221 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 17:28:26,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:28:26,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789704896] [2021-12-06 17:28:26,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789704896] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:28:26,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:28:26,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:28:26,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625033087] [2021-12-06 17:28:26,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:28:26,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:28:26,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:28:26,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:28:26,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:28:26,223 INFO L87 Difference]: Start difference. First operand 65 states and 83 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:28:26,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:28:26,240 INFO L93 Difference]: Finished difference Result 123 states and 160 transitions. [2021-12-06 17:28:26,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:28:26,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-12-06 17:28:26,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:28:26,242 INFO L225 Difference]: With dead ends: 123 [2021-12-06 17:28:26,242 INFO L226 Difference]: Without dead ends: 65 [2021-12-06 17:28:26,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 17:28:26,243 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 77 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:28:26,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 81 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:28:26,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-12-06 17:28:26,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-12-06 17:28:26,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 56 states have internal predecessors, (64), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 17:28:26,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2021-12-06 17:28:26,252 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 25 [2021-12-06 17:28:26,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:28:26,252 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2021-12-06 17:28:26,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:28:26,253 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2021-12-06 17:28:26,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-06 17:28:26,254 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:28:26,254 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] [2021-12-06 17:28:26,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 17:28:26,254 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:28:26,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:28:26,255 INFO L85 PathProgramCache]: Analyzing trace with hash -930014932, now seen corresponding path program 1 times [2021-12-06 17:28:26,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:28:26,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061856675] [2021-12-06 17:28:26,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:28:26,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:28:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:26,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 17:28:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:28:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:26,316 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 17:28:26,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:28:26,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061856675] [2021-12-06 17:28:26,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061856675] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:28:26,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:28:26,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:28:26,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346395641] [2021-12-06 17:28:26,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:28:26,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:28:26,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:28:26,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:28:26,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:28:26,318 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 17:28:26,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:28:26,468 INFO L93 Difference]: Finished difference Result 196 states and 256 transitions. [2021-12-06 17:28:26,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:28:26,468 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), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2021-12-06 17:28:26,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:28:26,470 INFO L225 Difference]: With dead ends: 196 [2021-12-06 17:28:26,470 INFO L226 Difference]: Without dead ends: 138 [2021-12-06 17:28:26,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:28:26,472 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 117 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:28:26,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 320 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:28:26,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-12-06 17:28:26,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 116. [2021-12-06 17:28:26,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 86 states have (on average 1.302325581395349) internal successors, (112), 98 states have internal predecessors, (112), 18 states have call successors, (18), 12 states have call predecessors, (18), 11 states have return successors, (19), 9 states have call predecessors, (19), 18 states have call successors, (19) [2021-12-06 17:28:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 149 transitions. [2021-12-06 17:28:26,489 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 149 transitions. Word has length 35 [2021-12-06 17:28:26,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:28:26,489 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 149 transitions. [2021-12-06 17:28:26,489 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), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 17:28:26,489 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2021-12-06 17:28:26,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-06 17:28:26,491 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:28:26,491 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, 1, 1] [2021-12-06 17:28:26,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 17:28:26,492 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:28:26,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:28:26,492 INFO L85 PathProgramCache]: Analyzing trace with hash 320961478, now seen corresponding path program 1 times [2021-12-06 17:28:26,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:28:26,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184859199] [2021-12-06 17:28:26,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:28:26,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:28:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:26,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:28:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:26,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 17:28:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:28:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:26,558 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 17:28:26,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:28:26,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184859199] [2021-12-06 17:28:26,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184859199] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:28:26,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:28:26,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:28:26,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52378658] [2021-12-06 17:28:26,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:28:26,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:28:26,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:28:26,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:28:26,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:28:26,560 INFO L87 Difference]: Start difference. First operand 116 states and 149 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 17:28:26,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:28:26,639 INFO L93 Difference]: Finished difference Result 195 states and 253 transitions. [2021-12-06 17:28:26,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:28:26,640 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2021-12-06 17:28:26,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:28:26,640 INFO L225 Difference]: With dead ends: 195 [2021-12-06 17:28:26,640 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 17:28:26,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:28:26,642 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 69 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:28:26,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 146 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:28:26,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 17:28:26,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 17:28:26,643 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 17:28:26,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 17:28:26,644 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-12-06 17:28:26,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:28:26,644 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:28:26,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 17:28:26,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:28:26,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 17:28:26,646 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 17:28:26,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 17:28:26,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 17:28:26,946 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 285 292) the Hoare annotation is: true [2021-12-06 17:28:26,946 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 285 292) no Hoare annotation was computed. [2021-12-06 17:28:26,946 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 285 292) no Hoare annotation was computed. [2021-12-06 17:28:26,946 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 218 224) no Hoare annotation was computed. [2021-12-06 17:28:26,946 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 218 224) the Hoare annotation is: true [2021-12-06 17:28:26,946 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2021-12-06 17:28:26,946 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2021-12-06 17:28:26,946 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2021-12-06 17:28:26,947 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2021-12-06 17:28:26,947 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2021-12-06 17:28:26,947 INFO L861 garLoopResultBuilder]: At program point L471(lines 446 475) the Hoare annotation is: true [2021-12-06 17:28:26,947 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-12-06 17:28:26,947 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 464) no Hoare annotation was computed. [2021-12-06 17:28:26,947 INFO L861 garLoopResultBuilder]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2021-12-06 17:28:26,947 INFO L858 garLoopResultBuilder]: For program point L457(line 457) no Hoare annotation was computed. [2021-12-06 17:28:26,947 INFO L861 garLoopResultBuilder]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2021-12-06 17:28:26,947 INFO L861 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: true [2021-12-06 17:28:26,947 INFO L858 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2021-12-06 17:28:26,948 INFO L854 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,948 INFO L854 garLoopResultBuilder]: At program point L271-1(lines 252 276) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,948 INFO L854 garLoopResultBuilder]: At program point L300(lines 293 303) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,948 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2021-12-06 17:28:26,948 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 194 217) no Hoare annotation was computed. [2021-12-06 17:28:26,948 INFO L854 garLoopResultBuilder]: At program point L309(lines 304 312) 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) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2021-12-06 17:28:26,948 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 197 216) no Hoare annotation was computed. [2021-12-06 17:28:26,949 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 268) no Hoare annotation was computed. [2021-12-06 17:28:26,949 INFO L854 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2021-12-06 17:28:26,949 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-12-06 17:28:26,949 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 273) no Hoare annotation was computed. [2021-12-06 17:28:26,949 INFO L858 garLoopResultBuilder]: For program point L562(lines 562 568) no Hoare annotation was computed. [2021-12-06 17:28:26,949 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 571) no Hoare annotation was computed. [2021-12-06 17:28:26,949 INFO L854 garLoopResultBuilder]: At program point L558-1(lines 550 574) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~5#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2021-12-06 17:28:26,949 INFO L854 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,949 INFO L854 garLoopResultBuilder]: At program point L546(lines 541 548) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,950 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-12-06 17:28:26,950 INFO L854 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,950 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 194 217) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,950 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 194 217) no Hoare annotation was computed. [2021-12-06 17:28:26,950 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,950 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-12-06 17:28:26,950 INFO L854 garLoopResultBuilder]: At program point L262(line 262) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,950 INFO L854 garLoopResultBuilder]: At program point L436(lines 387 437) the Hoare annotation is: false [2021-12-06 17:28:26,951 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 534) no Hoare annotation was computed. [2021-12-06 17:28:26,951 INFO L858 garLoopResultBuilder]: For program point L527-2(lines 527 534) no Hoare annotation was computed. [2021-12-06 17:28:26,951 INFO L854 garLoopResultBuilder]: At program point L164(lines 160 166) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 17:28:26,951 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 17:28:26,951 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 17:28:26,951 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 17:28:26,951 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 414) no Hoare annotation was computed. [2021-12-06 17:28:26,951 INFO L861 garLoopResultBuilder]: At program point L536(lines 517 539) the Hoare annotation is: true [2021-12-06 17:28:26,951 INFO L858 garLoopResultBuilder]: For program point L408-1(lines 408 414) no Hoare annotation was computed. [2021-12-06 17:28:26,951 INFO L854 garLoopResultBuilder]: At program point L433(lines 388 435) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 17:28:26,952 INFO L854 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 17:28:26,952 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 17:28:26,952 INFO L854 garLoopResultBuilder]: At program point L504(lines 500 506) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 17:28:26,952 INFO L858 garLoopResultBuilder]: For program point L426(lines 426 430) no Hoare annotation was computed. [2021-12-06 17:28:26,952 INFO L854 garLoopResultBuilder]: At program point L426-2(lines 418 431) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 17:28:26,952 INFO L858 garLoopResultBuilder]: For program point L389(lines 388 435) no Hoare annotation was computed. [2021-12-06 17:28:26,952 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 431) no Hoare annotation was computed. [2021-12-06 17:28:26,952 INFO L854 garLoopResultBuilder]: At program point L410(line 410) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 17:28:26,952 INFO L861 garLoopResultBuilder]: At program point L439(lines 378 443) the Hoare annotation is: true [2021-12-06 17:28:26,953 INFO L854 garLoopResultBuilder]: At program point L373(lines 368 375) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 17:28:26,953 INFO L854 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 17:28:26,953 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 404) no Hoare annotation was computed. [2021-12-06 17:28:26,953 INFO L858 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2021-12-06 17:28:26,953 INFO L854 garLoopResultBuilder]: At program point L171(lines 167 173) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 17:28:26,953 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 394) no Hoare annotation was computed. [2021-12-06 17:28:26,953 INFO L861 garLoopResultBuilder]: At program point L514(lines 507 516) the Hoare annotation is: true [2021-12-06 17:28:26,953 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2021-12-06 17:28:26,953 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2021-12-06 17:28:26,953 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2021-12-06 17:28:26,954 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 226 250) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,954 INFO L854 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,954 INFO L854 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,954 INFO L854 garLoopResultBuilder]: At program point L364(lines 349 367) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,954 INFO L854 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,954 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 242) no Hoare annotation was computed. [2021-12-06 17:28:26,954 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 247) no Hoare annotation was computed. [2021-12-06 17:28:26,954 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 362) no Hoare annotation was computed. [2021-12-06 17:28:26,954 INFO L858 garLoopResultBuilder]: For program point L358-2(lines 358 362) no Hoare annotation was computed. [2021-12-06 17:28:26,955 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 226 250) no Hoare annotation was computed. [2021-12-06 17:28:26,955 INFO L854 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 17:28:26,955 INFO L858 garLoopResultBuilder]: For program point L245-1(lines 226 250) no Hoare annotation was computed. [2021-12-06 17:28:26,957 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-06 17:28:26,958 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 17:28:26,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:28:26 BoogieIcfgContainer [2021-12-06 17:28:26,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 17:28:26,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:28:26,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:28:26,975 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:28:26,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:28:25" (3/4) ... [2021-12-06 17:28:26,977 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 17:28:26,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-06 17:28:26,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 17:28:26,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 17:28:26,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 17:28:26,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 17:28:26,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 17:28:26,983 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-12-06 17:28:26,989 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2021-12-06 17:28:26,989 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 17:28:26,990 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 17:28:26,990 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 17:28:26,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 17:28:26,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 17:28:26,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 17:28:27,008 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 17:28:27,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive) [2021-12-06 17:28:27,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) [2021-12-06 17:28:27,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 17:28:27,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (tmp == 1 && \result == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) [2021-12-06 17:28:27,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 17:28:27,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 17:28:27,011 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2021-12-06 17:28:27,011 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 17:28:27,011 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 17:28:27,033 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 17:28:27,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:28:27,034 INFO L158 Benchmark]: Toolchain (without parser) took 2026.38ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 70.1MB in the beginning and 91.7MB in the end (delta: -21.6MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2021-12-06 17:28:27,034 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:28:27,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.93ms. Allocated memory is still 107.0MB. Free memory was 69.9MB in the beginning and 74.7MB in the end (delta: -4.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 17:28:27,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.08ms. Allocated memory is still 107.0MB. Free memory was 74.7MB in the beginning and 72.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:28:27,035 INFO L158 Benchmark]: Boogie Preprocessor took 20.34ms. Allocated memory is still 107.0MB. Free memory was 72.2MB in the beginning and 70.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:28:27,035 INFO L158 Benchmark]: RCFGBuilder took 376.01ms. Allocated memory is still 107.0MB. Free memory was 70.8MB in the beginning and 55.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 17:28:27,035 INFO L158 Benchmark]: TraceAbstraction took 1236.23ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 54.2MB in the beginning and 98.0MB in the end (delta: -43.8MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2021-12-06 17:28:27,036 INFO L158 Benchmark]: Witness Printer took 58.79ms. Allocated memory is still 130.0MB. Free memory was 98.0MB in the beginning and 91.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 17:28:27,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.93ms. Allocated memory is still 107.0MB. Free memory was 69.9MB in the beginning and 74.7MB in the end (delta: -4.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.08ms. Allocated memory is still 107.0MB. Free memory was 74.7MB in the beginning and 72.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.34ms. Allocated memory is still 107.0MB. Free memory was 72.2MB in the beginning and 70.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.01ms. Allocated memory is still 107.0MB. Free memory was 70.8MB in the beginning and 55.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1236.23ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 54.2MB in the beginning and 98.0MB in the end (delta: -43.8MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Witness Printer took 58.79ms. Allocated memory is still 130.0MB. Free memory was 98.0MB in the beginning and 91.7MB in the end (delta: 6.3MB). 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: 545]: 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 8 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, 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, 283 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 276 mSDsluCounter, 798 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 411 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 203 IncrementalHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 387 mSDtfsCounter, 203 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 279 PreInvPairs, 303 NumberOfFragments, 379 HoareAnnotationTreeSize, 279 FomulaSimplifications, 40 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 653 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 259 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: 550]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (tmp == 1 && \result == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 RESULT: Ultimate proved your program to be correct! [2021-12-06 17:28:27,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fcf871-c5b1-40df-b47e-4cf1d017a4f5/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